crash briefly after launching binaries compiled using --without-gui and --with-incompatible-bdb #18706

issue domegabri opened this issue on April 19, 2020
  1. domegabri commented at 5:27 PM on April 19, 2020: none

    Description

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    <!-- Describe the issue -->

    Compiled version 58ba7c314d552cea8cb024960a8504577aee586f with the following configure:

    ./configure --without-gui --with-incompatible-bdb

    Launch bitcoind from the command line:

    $ bitcoind

    Crashes almost immediately. See trace below for more.

    Note: can't reproduce the crash if I pass the -nowallet option

    System information

    bitcoin version: 58ba7c314d552cea8cb024960a8504577aee586f

    Update: reproduced also in version cd1f5bf1db26801a6c266ea1237734ca5ba2c64c

    OS: Ubuntu 18.04.4 LTS

    <!-- What type of machine are you observing the error on (OS/CPU and disk type)? -->

    <!-- GUI-related issue? What is your operating system and its version? If Linux, what is your desktop environment and graphical shell? -->

    <!-- Any extra information that might be useful in the debugging process. -->

    <!--- This is normally the contents of a `debug.log` or `config.log` file. Raw text or a link to a pastebin type site are preferred. -->

    trace

    (gdb) r
    Starting program: /usr/local/bin/bitcoind 
    [Thread debugging using libthread_db enabled]
    Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
    2020-04-19T17:17:56Z Bitcoin Core version v0.19.1 (release build)
    2020-04-19T17:17:56Z Assuming ancestors of block 00000000000000000005f8920febd3925f8272a6a71237563d78c2edfdd09ddf have valid signatures.
    2020-04-19T17:17:56Z Setting nMinimumChainWork=000000000000000000000000000000000000000008ea3cf107ae0dec57f03fe8
    2020-04-19T17:17:56Z Using the 'sse4(1way),sse41(4way),avx2(8way)' SHA256 implementation
    2020-04-19T17:17:56Z Using RdSeed as additional entropy source
    2020-04-19T17:17:56Z Using RdRand as an additional entropy source
    2020-04-19T17:17:56Z Default data directory /home/dgabriele/.bitcoin
    2020-04-19T17:17:56Z Using data directory /home/dgabriele/.bitcoin
    2020-04-19T17:17:56Z Config file: /home/dgabriele/.bitcoin/bitcoin.conf (not found, skipping)
    2020-04-19T17:17:56Z Using at most 125 automatic connections (1024 file descriptors available)
    2020-04-19T17:17:56Z Using 16 MiB out of 32/2 requested for signature cache, able to store 524288 elements
    2020-04-19T17:17:56Z Using 16 MiB out of 32/2 requested for script execution cache, able to store 524288 elements
    2020-04-19T17:17:56Z Using 8 threads for script verification
    [New Thread 0x7ffff2ba4700 (LWP 6036)]
    [New Thread 0x7ffff23a3700 (LWP 6037)]
    [New Thread 0x7ffff1ba2700 (LWP 6038)]
    [New Thread 0x7ffff13a1700 (LWP 6039)]
    [New Thread 0x7ffff0ba0700 (LWP 6040)]
    [New Thread 0x7fffe3fff700 (LWP 6041)]
    [New Thread 0x7fffe37fe700 (LWP 6042)]
    [New Thread 0x7fffe2ffd700 (LWP 6043)]
    2020-04-19T17:17:56Z scheduler thread start
    2020-04-19T17:17:56Z HTTP: creating work queue of depth 16
    2020-04-19T17:17:56Z No rpcpassword set - using random cookie authentication.
    2020-04-19T17:17:56Z Generated RPC authentication cookie /home/dgabriele/.bitcoin/.cookie
    2020-04-19T17:17:56Z HTTP: starting 4 worker threads
    [New Thread 0x7fffe27fc700 (LWP 6044)]
    [New Thread 0x7fffe1ffb700 (LWP 6045)]
    [New Thread 0x7fffe17fa700 (LWP 6046)]
    [New Thread 0x7fffe0ff9700 (LWP 6047)]
    [New Thread 0x7fffbffff700 (LWP 6048)]
    2020-04-19T17:17:56Z Using wallet directory /home/dgabriele/.bitcoin/wallets
    2020-04-19T17:17:56Z init message: Verifying wallet(s)...
    2020-04-19T17:17:56Z Using BerkeleyDB version Berkeley DB 4.8.30: (April  9, 2010)
    2020-04-19T17:17:56Z Using wallet /home/dgabriele/.bitcoin/wallets
    2020-04-19T17:17:56Z BerkeleyEnvironment::Open: LogDir=/home/dgabriele/.bitcoin/wallets/database ErrorFile=/home/dgabriele/.bitcoin/wallets/db.log
    
    Thread 1 "bitcoind" received signal SIGSEGV, Segmentation fault.
    __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:62
    62	../sysdeps/x86_64/multiarch/strlen-avx2.S: No such file or directory.
    (gdb) bt
    [#0](/bitcoin-bitcoin/0/)  __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:62
    [#1](/bitcoin-bitcoin/1/)  0x00007ffff7114672 in __os_strdup () from /usr/lib/libdb_cxx-4.8.so
    [#2](/bitcoin-bitcoin/2/)  0x00007ffff70e7dc2 in __env_add_data_dir () from /usr/lib/libdb_cxx-4.8.so
    [#3](/bitcoin-bitcoin/3/)  0x00007ffff70e7e91 in __env_set_data_dir () from /usr/lib/libdb_cxx-4.8.so
    [#4](/bitcoin-bitcoin/4/)  0x00007ffff70068e9 in DbEnv::set_data_dir(char const*) () from /usr/lib/libdb_cxx-4.8.so
    [#5](/bitcoin-bitcoin/5/)  0x000055555589ed62 in BerkeleyEnvironment::Open (this=0x555555f4b750, retry=retry@entry=true) at wallet/db.cpp:191
    [#6](/bitcoin-bitcoin/6/)  0x00005555558a014c in BerkeleyBatch::VerifyEnvironment (file_path=..., errorStr="") at wallet/db.cpp:407
    [#7](/bitcoin-bitcoin/7/)  0x0000555555880c0d in WalletBatch::VerifyEnvironment (wallet_path=..., errorStr="") at wallet/walletdb.cpp:729
    [#8](/bitcoin-bitcoin/8/)  0x0000555555852cdb in CWallet::Verify (chain=..., location=..., salvage_wallet=salvage_wallet@entry=false, error_string="", warning_string="") at wallet/wallet.cpp:4274
    [#9](/bitcoin-bitcoin/9/)  0x00005555557f3a43 in VerifyWallets (chain=..., wallet_files=...) at wallet/load.cpp:57
    [#10](/bitcoin-bitcoin/10/) 0x00005555555b018f in AppInitMain (interfaces=...) at init.cpp:1311
    [#11](/bitcoin-bitcoin/11/) 0x0000555555597f4b in AppInit (argc=<optimized out>, argv=<optimized out>) at bitcoind.cpp:146
    [#12](/bitcoin-bitcoin/12/) 0x000055555558da7f in main (argc=1, argv=0x7fffffffdb28) at bitcoind.cpp:176
    
    
  2. domegabri added the label Bug on Apr 19, 2020
  3. MarcoFalke commented at 7:00 PM on April 19, 2020: member

    So you are using this package: https://packages.ubuntu.com/bionic/libdb++-dev ?

    Does the crash also happen in valgrind?

    Do you have the full config.log?

  4. domegabri commented at 8:07 PM on April 19, 2020: none

    So you are using this package: https://packages.ubuntu.com/bionic/libdb++-dev ?

    yes

    Do you have the full config.log?

    Here:

    This file contains any messages produced by compilers while
    running configure, to aid debugging if configure makes a mistake.
    
    It was created by Bitcoin Core configure 0.20.0rc1, which was
    generated by GNU Autoconf 2.69.  Invocation command line was
    
      $ ./configure --without-gui --with-incompatible-bdb
    
    ## --------- ##
    ## Platform. ##
    ## --------- ##
    
    hostname = *****
    uname -m = x86_64
    uname -r = 5.3.0-46-generic
    uname -s = Linux
    uname -v = [#38](/bitcoin-bitcoin/38/)~18.04.1-Ubuntu SMP Tue Mar 31 04:17:56 UTC 2020
    
    /usr/bin/uname -p = unknown
    /bin/uname -X     = unknown
    
    /bin/arch              = unknown
    /usr/bin/arch -k       = unknown
    /usr/convex/getsysinfo = unknown
    /usr/bin/hostinfo      = unknown
    /bin/machine           = unknown
    /usr/bin/oslevel       = unknown
    /bin/universe          = unknown
    
    PATH: /usr/local/sbin
    PATH: /usr/local/bin
    PATH: /usr/sbin
    PATH: /usr/bin
    PATH: /sbin
    PATH: /bin
    PATH: /usr/games
    PATH: /usr/local/games
    PATH: /snap/bin
    
    
    ## ----------- ##
    ## Core tests. ##
    ## ----------- ##
    
    configure:3092: checking build system type
    configure:3106: result: x86_64-pc-linux-gnu
    configure:3126: checking host system type
    configure:3139: result: x86_64-pc-linux-gnu
    configure:3182: checking for a BSD-compatible install
    configure:3250: result: /usr/bin/install -c
    configure:3261: checking whether build environment is sane
    configure:3316: result: yes
    configure:3467: checking for a thread-safe mkdir -p
    configure:3506: result: /bin/mkdir -p
    configure:3513: checking for gawk
    configure:3543: result: no
    configure:3513: checking for mawk
    configure:3529: found /usr/bin/mawk
    configure:3540: result: mawk
    configure:3551: checking whether make sets $(MAKE)
    configure:3573: result: yes
    configure:3602: checking whether make supports nested variables
    configure:3619: result: yes
    configure:3738: checking whether to enable maintainer-specific portions of Makefiles
    configure:3747: result: yes
    configure:3772: checking whether make supports nested variables
    configure:3789: result: yes
    configure:3864: checking for g++
    configure:3880: found /usr/bin/g++
    configure:3891: result: g++
    configure:3918: checking for C++ compiler version
    configure:3927: g++ --version >&5
    g++ (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
    Copyright (C) 2017 Free Software Foundation, Inc.
    This is free software; see the source for copying conditions.  There is NO
    warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    
    configure:3938: $? = 0
    configure:3927: g++ -v >&5
    Using built-in specs.
    COLLECT_GCC=g++
    COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/7/lto-wrapper
    OFFLOAD_TARGET_NAMES=nvptx-none
    OFFLOAD_TARGET_DEFAULT=1
    Target: x86_64-linux-gnu
    Configured with: ../src/configure -v --with-pkgversion='Ubuntu 7.5.0-3ubuntu1~18.04' --with-bugurl=file:///usr/share/doc/gcc-7/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr --with-gcc-major-version-only --program-suffix=-7 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-bootstrap --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
    Thread model: posix
    gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04) 
    configure:3938: $? = 0
    configure:3927: g++ -V >&5
    g++: error: unrecognized command line option '-V'
    g++: fatal error: no input files
    compilation terminated.
    configure:3938: $? = 1
    configure:3927: g++ -qversion >&5
    g++: error: unrecognized command line option '-qversion'; did you mean '--version'?
    g++: fatal error: no input files
    compilation terminated.
    configure:3938: $? = 1
    configure:3958: checking whether the C++ compiler works
    configure:3980: g++    conftest.cpp  >&5
    configure:3984: $? = 0
    configure:4032: result: yes
    configure:4035: checking for C++ compiler default output file name
    configure:4037: result: a.out
    configure:4043: checking for suffix of executables
    configure:4050: g++ -o conftest    conftest.cpp  >&5
    configure:4054: $? = 0
    configure:4076: result: 
    configure:4098: checking whether we are cross compiling
    configure:4106: g++ -o conftest    conftest.cpp  >&5
    configure:4110: $? = 0
    configure:4117: ./conftest
    configure:4121: $? = 0
    configure:4136: result: no
    configure:4141: checking for suffix of object files
    configure:4163: g++ -c   conftest.cpp >&5
    configure:4167: $? = 0
    configure:4188: result: o
    configure:4192: checking whether we are using the GNU C++ compiler
    configure:4211: g++ -c   conftest.cpp >&5
    configure:4211: $? = 0
    configure:4220: result: yes
    configure:4229: checking whether g++ accepts -g
    configure:4249: g++ -c -g  conftest.cpp >&5
    configure:4249: $? = 0
    configure:4290: result: yes
    configure:4324: checking for style of include used by make
    configure:4352: result: GNU
    configure:4378: checking dependency style of g++
    configure:4489: result: gcc3
    configure:4527: checking whether g++ supports C++11 features with -std=c++11
    configure:4823: g++ -std=c++11 -c -g -O2  conftest.cpp >&5
    configure:4823: $? = 0
    configure:4832: result: yes
    configure:4876: checking whether std::atomic can be used without link library
    configure:4894: g++ -std=c++11 -o conftest -g -O2   conftest.cpp  >&5
    configure:4894: $? = 0
    configure:4896: result: yes
    configure:5061: checking for Objective C++ compiler version
    configure:5070: g++ -std=c++11 --version >&5
    g++ (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
    Copyright (C) 2017 Free Software Foundation, Inc.
    This is free software; see the source for copying conditions.  There is NO
    warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    
    configure:5081: $? = 0
    configure:5070: g++ -std=c++11 -v >&5
    Using built-in specs.
    COLLECT_GCC=g++
    COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/7/lto-wrapper
    OFFLOAD_TARGET_NAMES=nvptx-none
    OFFLOAD_TARGET_DEFAULT=1
    Target: x86_64-linux-gnu
    Configured with: ../src/configure -v --with-pkgversion='Ubuntu 7.5.0-3ubuntu1~18.04' --with-bugurl=file:///usr/share/doc/gcc-7/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr --with-gcc-major-version-only --program-suffix=-7 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-bootstrap --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
    Thread model: posix
    gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04) 
    configure:5081: $? = 0
    configure:5070: g++ -std=c++11 -V >&5
    g++: error: unrecognized command line option '-V'
    g++: fatal error: no input files
    compilation terminated.
    configure:5081: $? = 1
    configure:5070: g++ -std=c++11 -qversion >&5
    g++: error: unrecognized command line option '-qversion'; did you mean '--version'?
    g++: fatal error: no input files
    compilation terminated.
    configure:5081: $? = 1
    configure:5085: checking whether we are using the GNU Objective C++ compiler
    configure:5104: g++ -std=c++11 -c   conftest.mm >&5
    g++: error trying to exec 'cc1objplus': execvp: No such file or directory
    configure:5104: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | /* end confdefs.h.  */
    | 
    | int
    | main ()
    | {
    | #ifndef __GNUC__
    |        choke me
    | #endif
    | 
    |   ;
    |   return 0;
    | }
    configure:5113: result: no
    configure:5122: checking whether g++ -std=c++11 accepts -g
    configure:5142: g++ -std=c++11 -c -g  conftest.mm >&5
    g++: error trying to exec 'cc1objplus': execvp: No such file or directory
    configure:5142: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | /* end confdefs.h.  */
    | 
    | int
    | main ()
    | {
    | 
    |   ;
    |   return 0;
    | }
    configure:5157: g++ -std=c++11 -c   conftest.mm >&5
    g++: error trying to exec 'cc1objplus': execvp: No such file or directory
    configure:5157: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | /* end confdefs.h.  */
    | 
    | int
    | main ()
    | {
    | 
    |   ;
    |   return 0;
    | }
    configure:5173: g++ -std=c++11 -c -g  conftest.mm >&5
    g++: error trying to exec 'cc1objplus': execvp: No such file or directory
    configure:5173: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | /* end confdefs.h.  */
    | 
    | int
    | main ()
    | {
    | 
    |   ;
    |   return 0;
    | }
    configure:5183: result: no
    configure:5208: checking dependency style of g++ -std=c++11
    configure:5317: result: gcc3
    configure:5381: checking how to print strings
    configure:5408: result: printf
    configure:5477: checking for gcc
    configure:5493: found /usr/bin/gcc
    configure:5504: result: gcc
    configure:5733: checking for C compiler version
    configure:5742: gcc --version >&5
    gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
    Copyright (C) 2017 Free Software Foundation, Inc.
    This is free software; see the source for copying conditions.  There is NO
    warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    
    configure:5753: $? = 0
    configure:5742: gcc -v >&5
    Using built-in specs.
    COLLECT_GCC=gcc
    COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/7/lto-wrapper
    OFFLOAD_TARGET_NAMES=nvptx-none
    OFFLOAD_TARGET_DEFAULT=1
    Target: x86_64-linux-gnu
    Configured with: ../src/configure -v --with-pkgversion='Ubuntu 7.5.0-3ubuntu1~18.04' --with-bugurl=file:///usr/share/doc/gcc-7/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr --with-gcc-major-version-only --program-suffix=-7 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-bootstrap --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
    Thread model: posix
    gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04) 
    configure:5753: $? = 0
    configure:5742: gcc -V >&5
    gcc: error: unrecognized command line option '-V'
    gcc: fatal error: no input files
    compilation terminated.
    configure:5753: $? = 1
    configure:5742: gcc -qversion >&5
    gcc: error: unrecognized command line option '-qversion'; did you mean '--version'?
    gcc: fatal error: no input files
    compilation terminated.
    configure:5753: $? = 1
    configure:5757: checking whether we are using the GNU C compiler
    configure:5776: gcc -c   conftest.c >&5
    configure:5776: $? = 0
    configure:5785: result: yes
    configure:5794: checking whether gcc accepts -g
    configure:5814: gcc -c -g  conftest.c >&5
    configure:5814: $? = 0
    configure:5855: result: yes
    configure:5872: checking for gcc option to accept ISO C89
    configure:5935: gcc  -c -g -O2  conftest.c >&5
    configure:5935: $? = 0
    configure:5948: result: none needed
    configure:5973: checking whether gcc understands -c and -o together
    configure:5995: gcc -c conftest.c -o conftest2.o
    configure:5998: $? = 0
    configure:5995: gcc -c conftest.c -o conftest2.o
    configure:5998: $? = 0
    configure:6010: result: yes
    configure:6029: checking dependency style of gcc
    configure:6140: result: gcc3
    configure:6155: checking for a sed that does not truncate output
    configure:6219: result: /bin/sed
    configure:6237: checking for grep that handles long lines and -e
    configure:6295: result: /bin/grep
    configure:6300: checking for egrep
    configure:6362: result: /bin/grep -E
    configure:6367: checking for fgrep
    configure:6429: result: /bin/grep -F
    configure:6464: checking for ld used by gcc
    configure:6531: result: /usr/bin/ld
    configure:6538: checking if the linker (/usr/bin/ld) is GNU ld
    configure:6553: result: yes
    configure:6565: checking for BSD- or MS-compatible name lister (nm)
    configure:6619: result: /usr/bin/nm -B
    configure:6749: checking the name lister (/usr/bin/nm -B) interface
    configure:6756: gcc -c -g -O2  conftest.c >&5
    configure:6759: /usr/bin/nm -B "conftest.o"
    configure:6762: output
    0000000000000000 B some_variable
    configure:6769: result: BSD nm
    configure:6772: checking whether ln -s works
    configure:6776: result: yes
    configure:6784: checking the maximum length of command line arguments
    configure:6915: result: 1572864
    configure:6963: checking how to convert x86_64-pc-linux-gnu file names to x86_64-pc-linux-gnu format
    configure:7003: result: func_convert_file_noop
    configure:7010: checking how to convert x86_64-pc-linux-gnu file names to toolchain format
    configure:7030: result: func_convert_file_noop
    configure:7037: checking for /usr/bin/ld option to reload object files
    configure:7044: result: -r
    configure:7118: checking for objdump
    configure:7134: found /usr/bin/objdump
    configure:7145: result: objdump
    configure:7177: checking how to recognize dependent libraries
    configure:7377: result: pass_all
    configure:7462: checking for dlltool
    configure:7492: result: no
    configure:7522: checking how to associate runtime and link libraries
    configure:7549: result: printf %s\n
    configure:7610: checking for ar
    configure:7626: found /usr/bin/ar
    configure:7637: result: ar
    configure:7674: checking for archiver [@FILE](/bitcoin-bitcoin/contributor/file/) support
    configure:7691: gcc -c -g -O2  conftest.c >&5
    configure:7691: $? = 0
    configure:7694: ar cru libconftest.a [@conftest](/bitcoin-bitcoin/contributor/conftest/).lst >&5
    ar: `u' modifier ignored since `D' is the default (see `U')
    configure:7697: $? = 0
    configure:7702: ar cru libconftest.a [@conftest](/bitcoin-bitcoin/contributor/conftest/).lst >&5
    ar: `u' modifier ignored since `D' is the default (see `U')
    ar: conftest.o: No such file or directory
    configure:7705: $? = 1
    configure:7717: result: @
    configure:7775: checking for strip
    configure:7791: found /usr/bin/strip
    configure:7802: result: strip
    configure:7874: checking for ranlib
    configure:7890: found /usr/bin/ranlib
    configure:7901: result: ranlib
    configure:8003: checking command to parse /usr/bin/nm -B output from gcc object
    configure:8156: gcc -c -g -O2  conftest.c >&5
    configure:8159: $? = 0
    configure:8163: /usr/bin/nm -B conftest.o \| sed -n -e 's/^.*[ ]\([ABCDGIRSTW][ABCDGIRSTW]*\)[ ][ ]*\([_A-Za-z][_A-Za-z0-9]*\)$/\1 \2 \2/p' | sed '/ __gnu_lto/d' \> conftest.nm
    configure:8166: $? = 0
    configure:8232: gcc -o conftest -g -O2   conftest.c conftstm.o >&5
    configure:8235: $? = 0
    configure:8273: result: ok
    configure:8320: checking for sysroot
    configure:8350: result: no
    configure:8357: checking for a working dd
    configure:8395: result: /bin/dd
    configure:8399: checking how to truncate binary pipes
    configure:8414: result: /bin/dd bs=4096 count=1
    configure:8550: gcc -c -g -O2  conftest.c >&5
    configure:8553: $? = 0
    configure:8743: checking for mt
    configure:8759: found /bin/mt
    configure:8770: result: mt
    configure:8793: checking if mt is a manifest tool
    configure:8799: mt '-?'
    configure:8807: result: no
    configure:9484: checking how to run the C preprocessor
    configure:9515: gcc -E  conftest.c
    configure:9515: $? = 0
    configure:9529: gcc -E  conftest.c
    conftest.c:10:10: fatal error: ac_nonexistent.h: No such file or directory
     #include <ac_nonexistent.h>
              ^~~~~~~~~~~~~~~~~~
    compilation terminated.
    configure:9529: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | /* end confdefs.h.  */
    | #include <ac_nonexistent.h>
    configure:9554: result: gcc -E
    configure:9574: gcc -E  conftest.c
    configure:9574: $? = 0
    configure:9588: gcc -E  conftest.c
    conftest.c:10:10: fatal error: ac_nonexistent.h: No such file or directory
     #include <ac_nonexistent.h>
              ^~~~~~~~~~~~~~~~~~
    compilation terminated.
    configure:9588: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | /* end confdefs.h.  */
    | #include <ac_nonexistent.h>
    configure:9617: checking for ANSI C header files
    configure:9637: gcc -c -g -O2  conftest.c >&5
    configure:9637: $? = 0
    configure:9710: gcc -o conftest -g -O2   conftest.c  >&5
    configure:9710: $? = 0
    configure:9710: ./conftest
    configure:9710: $? = 0
    configure:9721: result: yes
    configure:9734: checking for sys/types.h
    configure:9734: gcc -c -g -O2  conftest.c >&5
    configure:9734: $? = 0
    configure:9734: result: yes
    configure:9734: checking for sys/stat.h
    configure:9734: gcc -c -g -O2  conftest.c >&5
    configure:9734: $? = 0
    configure:9734: result: yes
    configure:9734: checking for stdlib.h
    configure:9734: gcc -c -g -O2  conftest.c >&5
    configure:9734: $? = 0
    configure:9734: result: yes
    configure:9734: checking for string.h
    configure:9734: gcc -c -g -O2  conftest.c >&5
    configure:9734: $? = 0
    configure:9734: result: yes
    configure:9734: checking for memory.h
    configure:9734: gcc -c -g -O2  conftest.c >&5
    configure:9734: $? = 0
    configure:9734: result: yes
    configure:9734: checking for strings.h
    configure:9734: gcc -c -g -O2  conftest.c >&5
    configure:9734: $? = 0
    configure:9734: result: yes
    configure:9734: checking for inttypes.h
    configure:9734: gcc -c -g -O2  conftest.c >&5
    configure:9734: $? = 0
    configure:9734: result: yes
    configure:9734: checking for stdint.h
    configure:9734: gcc -c -g -O2  conftest.c >&5
    configure:9734: $? = 0
    configure:9734: result: yes
    configure:9734: checking for unistd.h
    configure:9734: gcc -c -g -O2  conftest.c >&5
    configure:9734: $? = 0
    configure:9734: result: yes
    configure:9748: checking for dlfcn.h
    configure:9748: gcc -c -g -O2  conftest.c >&5
    configure:9748: $? = 0
    configure:9748: result: yes
    configure:10013: checking for objdir
    configure:10028: result: .libs
    configure:10292: checking if gcc supports -fno-rtti -fno-exceptions
    configure:10310: gcc -c -g -O2  -fno-rtti -fno-exceptions conftest.c >&5
    cc1: warning: command line option '-fno-rtti' is valid for C++/ObjC++ but not for C
    configure:10314: $? = 0
    configure:10327: result: no
    configure:10685: checking for gcc option to produce PIC
    configure:10692: result: -fPIC -DPIC
    configure:10700: checking if gcc PIC flag -fPIC -DPIC works
    configure:10718: gcc -c -g -O2  -fPIC -DPIC -DPIC conftest.c >&5
    configure:10722: $? = 0
    configure:10735: result: yes
    configure:10764: checking if gcc static flag -static works
    configure:10792: result: yes
    configure:10807: checking if gcc supports -c -o file.o
    configure:10828: gcc -c -g -O2  -o out/conftest2.o conftest.c >&5
    configure:10832: $? = 0
    configure:10854: result: yes
    configure:10862: checking if gcc supports -c -o file.o
    configure:10909: result: yes
    configure:10942: checking whether the gcc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries
    configure:12205: result: yes
    configure:12242: checking whether -lc should be explicitly linked in
    configure:12250: gcc -c -g -O2  conftest.c >&5
    configure:12253: $? = 0
    configure:12268: gcc -shared  -fPIC -DPIC conftest.o  -v -Wl,-soname -Wl,conftest -o conftest 2\>\&1 \| /bin/grep  -lc  \>/dev/null 2\>\&1
    configure:12271: $? = 0
    configure:12285: result: no
    configure:12445: checking dynamic linker characteristics
    configure:13026: gcc -o conftest -g -O2   -Wl,-rpath -Wl,/foo conftest.c  >&5
    configure:13026: $? = 0
    configure:13275: result: GNU/Linux ld.so
    configure:13397: checking how to hardcode library paths into programs
    configure:13422: result: immediate
    configure:13970: checking whether stripping libraries is possible
    configure:13975: result: yes
    configure:14010: checking if libtool supports shared libraries
    configure:14012: result: yes
    configure:14015: checking whether to build shared libraries
    configure:14040: result: yes
    configure:14043: checking whether to build static libraries
    configure:14047: result: yes
    configure:14070: checking how to run the C++ preprocessor
    configure:14097: g++ -std=c++11 -E  conftest.cpp
    configure:14097: $? = 0
    configure:14111: g++ -std=c++11 -E  conftest.cpp
    conftest.cpp:22:10: fatal error: ac_nonexistent.h: No such file or directory
     #include <ac_nonexistent.h>
              ^~~~~~~~~~~~~~~~~~
    compilation terminated.
    configure:14111: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | /* end confdefs.h.  */
    | #include <ac_nonexistent.h>
    configure:14136: result: g++ -std=c++11 -E
    configure:14156: g++ -std=c++11 -E  conftest.cpp
    configure:14156: $? = 0
    configure:14170: g++ -std=c++11 -E  conftest.cpp
    conftest.cpp:22:10: fatal error: ac_nonexistent.h: No such file or directory
     #include <ac_nonexistent.h>
              ^~~~~~~~~~~~~~~~~~
    compilation terminated.
    configure:14170: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | /* end confdefs.h.  */
    | #include <ac_nonexistent.h>
    configure:14332: checking for ld used by g++ -std=c++11
    configure:14399: result: /usr/bin/ld -m elf_x86_64
    configure:14406: checking if the linker (/usr/bin/ld -m elf_x86_64) is GNU ld
    configure:14421: result: yes
    configure:14476: checking whether the g++ -std=c++11 linker (/usr/bin/ld -m elf_x86_64) supports shared libraries
    configure:15549: result: yes
    configure:15585: g++ -std=c++11 -c -g -O2  conftest.cpp >&5
    configure:15588: $? = 0
    configure:16069: checking for g++ -std=c++11 option to produce PIC
    configure:16076: result: -fPIC -DPIC
    configure:16084: checking if g++ -std=c++11 PIC flag -fPIC -DPIC works
    configure:16102: g++ -std=c++11 -c -g -O2  -fPIC -DPIC -DPIC conftest.cpp >&5
    configure:16106: $? = 0
    configure:16119: result: yes
    configure:16142: checking if g++ -std=c++11 static flag -static works
    configure:16170: result: yes
    configure:16182: checking if g++ -std=c++11 supports -c -o file.o
    configure:16203: g++ -std=c++11 -c -g -O2  -o out/conftest2.o conftest.cpp >&5
    configure:16207: $? = 0
    configure:16229: result: yes
    configure:16234: checking if g++ -std=c++11 supports -c -o file.o
    configure:16281: result: yes
    configure:16311: checking whether the g++ -std=c++11 linker (/usr/bin/ld -m elf_x86_64) supports shared libraries
    configure:16354: result: yes
    configure:16495: checking dynamic linker characteristics
    configure:17252: result: GNU/Linux ld.so
    configure:17317: checking how to hardcode library paths into programs
    configure:17342: result: immediate
    configure:17450: checking for ar
    configure:17468: found /usr/bin/ar
    configure:17480: result: /usr/bin/ar
    configure:17548: checking for ranlib
    configure:17566: found /usr/bin/ranlib
    configure:17578: result: /usr/bin/ranlib
    configure:17646: checking for strip
    configure:17664: found /usr/bin/strip
    configure:17676: result: /usr/bin/strip
    configure:17744: checking for gcov
    configure:17762: found /usr/bin/gcov
    configure:17774: result: /usr/bin/gcov
    configure:17798: checking for lcov
    configure:17831: result: no
    configure:17840: checking for python3.5
    configure:17873: result: no
    configure:17840: checking for python3.6
    configure:17858: found /usr/bin/python3.6
    configure:17870: result: /usr/bin/python3.6
    configure:17883: checking for genhtml
    configure:17916: result: no
    configure:17923: checking for git
    configure:17941: found /usr/bin/git
    configure:17953: result: /usr/bin/git
    configure:17963: checking for ccache
    configure:17996: result: no
    configure:18003: checking for xgettext
    configure:18021: found /usr/bin/xgettext
    configure:18033: result: /usr/bin/xgettext
    configure:18043: checking for hexdump
    configure:18061: found /usr/bin/hexdump
    configure:18073: result: /usr/bin/hexdump
    configure:18127: checking for readelf
    configure:18145: found /usr/bin/readelf
    configure:18157: result: /usr/bin/readelf
    configure:18225: checking for c++filt
    configure:18243: found /usr/bin/c++filt
    configure:18255: result: /usr/bin/c++filt
    configure:18323: checking for objcopy
    configure:18341: found /usr/bin/objcopy
    configure:18353: result: /usr/bin/objcopy
    configure:18377: checking for doxygen
    configure:18410: result: no
    configure:18416: WARNING: Doxygen not found
    configure:18664: checking whether C++ compiler accepts -Werror
    configure:18683: g++ -std=c++11 -c -g -O2  -Werror  conftest.cpp >&5
    configure:18683: $? = 0
    configure:18691: result: yes
    configure:19246: checking whether C++ compiler accepts -Wall
    configure:19265: g++ -std=c++11 -c -g -O2 -Werror -Wall  conftest.cpp >&5
    configure:19265: $? = 0
    configure:19274: result: yes
    configure:19283: checking whether C++ compiler accepts -Wextra
    configure:19302: g++ -std=c++11 -c -g -O2 -Werror -Wextra  conftest.cpp >&5
    configure:19302: $? = 0
    configure:19311: result: yes
    configure:19320: checking whether C++ compiler accepts -Wformat
    configure:19339: g++ -std=c++11 -c -g -O2 -Werror -Wformat  conftest.cpp >&5
    configure:19339: $? = 0
    configure:19348: result: yes
    configure:19357: checking whether C++ compiler accepts -Wvla
    configure:19376: g++ -std=c++11 -c -g -O2 -Werror -Wvla  conftest.cpp >&5
    configure:19376: $? = 0
    configure:19385: result: yes
    configure:19394: checking whether C++ compiler accepts -Wswitch
    configure:19413: g++ -std=c++11 -c -g -O2 -Werror -Wswitch  conftest.cpp >&5
    configure:19413: $? = 0
    configure:19422: result: yes
    configure:19431: checking whether C++ compiler accepts -Wformat-security
    configure:19450: g++ -std=c++11 -c -g -O2 -Werror -Wformat-security  conftest.cpp >&5
    configure:19450: $? = 0
    configure:19459: result: yes
    configure:19468: checking whether C++ compiler accepts -Wthread-safety-analysis
    configure:19487: g++ -std=c++11 -c -g -O2 -Werror -Wthread-safety-analysis  conftest.cpp >&5
    g++: error: unrecognized command line option '-Wthread-safety-analysis'; did you mean '-fthreadsafe-statics'?
    configure:19487: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | /* end confdefs.h.  */
    | 
    | int
    | main ()
    | {
    | 
    |   ;
    |   return 0;
    | }
    configure:19496: result: no
    configure:19505: checking whether C++ compiler accepts -Wrange-loop-analysis
    configure:19524: g++ -std=c++11 -c -g -O2 -Werror -Wrange-loop-analysis  conftest.cpp >&5
    g++: error: unrecognized command line option '-Wrange-loop-analysis'
    configure:19524: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | /* end confdefs.h.  */
    | 
    | int
    | main ()
    | {
    | 
    |   ;
    |   return 0;
    | }
    configure:19533: result: no
    configure:19542: checking whether C++ compiler accepts -Wredundant-decls
    configure:19561: g++ -std=c++11 -c -g -O2 -Werror -Wredundant-decls  conftest.cpp >&5
    configure:19561: $? = 0
    configure:19570: result: yes
    configure:19579: checking whether C++ compiler accepts -Wunused-variable
    configure:19598: g++ -std=c++11 -c -g -O2 -Werror -Wunused-variable  conftest.cpp >&5
    configure:19598: $? = 0
    configure:19607: result: yes
    configure:19616: checking whether C++ compiler accepts -Wdate-time
    configure:19635: g++ -std=c++11 -c -g -O2 -Werror -Wdate-time  conftest.cpp >&5
    configure:19635: $? = 0
    configure:19644: result: yes
    configure:19654: checking whether C++ compiler accepts -Wunused-parameter
    configure:19673: g++ -std=c++11 -c -g -O2 -Werror -Wunused-parameter  conftest.cpp >&5
    configure:19673: $? = 0
    configure:19682: result: yes
    configure:19691: checking whether C++ compiler accepts -Wself-assign
    configure:19710: g++ -std=c++11 -c -g -O2 -Werror -Wself-assign  conftest.cpp >&5
    g++: error: unrecognized command line option '-Wself-assign'; did you mean '-Wcast-align'?
    configure:19710: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | /* end confdefs.h.  */
    | 
    | int
    | main ()
    | {
    | 
    |   ;
    |   return 0;
    | }
    configure:19719: result: no
    configure:19728: checking whether C++ compiler accepts -Wunused-local-typedef
    configure:19747: g++ -std=c++11 -c -g -O2 -Werror -Wunused-local-typedef  conftest.cpp >&5
    g++: error: unrecognized command line option '-Wunused-local-typedef'; did you mean '-Wunused-local-typedefs'?
    configure:19747: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | /* end confdefs.h.  */
    | 
    | int
    | main ()
    | {
    | 
    |   ;
    |   return 0;
    | }
    configure:19756: result: no
    configure:19765: checking whether C++ compiler accepts -Wdeprecated-register
    configure:19784: g++ -std=c++11 -c -g -O2 -Werror -Wdeprecated-register  conftest.cpp >&5
    g++: error: unrecognized command line option '-Wdeprecated-register'; did you mean '-frename-registers'?
    configure:19784: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | /* end confdefs.h.  */
    | 
    | int
    | main ()
    | {
    | 
    |   ;
    |   return 0;
    | }
    configure:19793: result: no
    configure:19802: checking whether C++ compiler accepts -Wimplicit-fallthrough
    configure:19821: g++ -std=c++11 -c -g -O2 -Werror -Wimplicit-fallthrough  conftest.cpp >&5
    configure:19821: $? = 0
    configure:19830: result: yes
    configure:19849: checking whether C++ compiler accepts -msse4.2
    configure:19868: g++ -std=c++11 -c -g -O2 -Werror -msse4.2  conftest.cpp >&5
    configure:19868: $? = 0
    configure:19877: result: yes
    configure:19886: checking whether C++ compiler accepts -msse4.1
    configure:19905: g++ -std=c++11 -c -g -O2 -Werror -msse4.1  conftest.cpp >&5
    configure:19905: $? = 0
    configure:19914: result: yes
    configure:19923: checking whether C++ compiler accepts -mavx -mavx2
    configure:19942: g++ -std=c++11 -c -g -O2 -Werror -mavx -mavx2  conftest.cpp >&5
    configure:19942: $? = 0
    configure:19951: result: yes
    configure:19960: checking whether C++ compiler accepts -msse4 -msha
    configure:19979: g++ -std=c++11 -c -g -O2 -Werror -msse4 -msha  conftest.cpp >&5
    configure:19979: $? = 0
    configure:19988: result: yes
    configure:19999: checking for SSE4.2 intrinsics
    configure:20025: g++ -std=c++11 -c -g -O2 -msse4.2  conftest.cpp >&5
    configure:20025: $? = 0
    configure:20026: result: yes
    configure:20038: checking for SSE4.1 intrinsics
    configure:20057: g++ -std=c++11 -c -g -O2 -msse4.1  conftest.cpp >&5
    configure:20057: $? = 0
    configure:20058: result: yes
    configure:20072: checking for AVX2 intrinsics
    configure:20091: g++ -std=c++11 -c -g -O2 -mavx -mavx2  conftest.cpp >&5
    configure:20091: $? = 0
    configure:20092: result: yes
    configure:20106: checking for SHA-NI intrinsics
    configure:20127: g++ -std=c++11 -c -g -O2 -msse4 -msha  conftest.cpp >&5
    configure:20127: $? = 0
    configure:20128: result: yes
    configure:20142: checking whether C++ compiler accepts -march=armv8-a+crc+crypto
    configure:20161: g++ -std=c++11 -c -g -O2 -Werror -march=armv8-a+crc+crypto  conftest.cpp >&5
    cc1plus: error: bad value ('armv8-a+crc+crypto') for '-march=' switch
    cc1plus: note: valid arguments to '-march=' switch are: nocona core2 nehalem corei7 westmere sandybridge corei7-avx ivybridge core-avx-i haswell core-avx2 broadwell skylake skylake-avx512 bonnell atom silvermont slm knl x86-64 eden-x2 nano nano-1000 nano-2000 nano-3000 nano-x2 eden-x4 nano-x4 k8 k8-sse3 opteron opteron-sse3 athlon64 athlon64-sse3 athlon-fx amdfam10 barcelona bdver1 bdver2 bdver3 bdver4 znver1 btver1 btver2
    configure:20161: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | /* end confdefs.h.  */
    | 
    | int
    | main ()
    | {
    | 
    |   ;
    |   return 0;
    | }
    configure:20170: result: no
    configure:20181: checking for ARM CRC32 intrinsics
    configure:20200: g++ -std=c++11 -c -g -O2   conftest.cpp >&5
    conftest.cpp:27:14: fatal error: arm_acle.h: No such file or directory
         #include <arm_acle.h>
                  ^~~~~~~~~~~~
    compilation terminated.
    configure:20200: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | /* end confdefs.h.  */
    | 
    |     #include <arm_acle.h>
    |     #include <arm_neon.h>
    | 
    | int
    | main ()
    | {
    | 
    |     __crc32cb(0, 0); __crc32ch(0, 0); __crc32cw(0, 0); __crc32cd(0, 0);
    |     vmull_p64(0, 0);
    | 
    |   ;
    |   return 0;
    | }
    configure:20204: result: no
    configure:21680: checking for pkg-config
    configure:21698: found /usr/bin/pkg-config
    configure:21710: result: /usr/bin/pkg-config
    configure:21735: checking pkg-config is at least version 0.9.0
    configure:21738: result: yes
    configure:21850: checking whether byte ordering is bigendian
    configure:21865: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:27:9: error: expected unqualified-id before 'not' token
             not a universal capable compiler
             ^~~
    configure:21865: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | /* end confdefs.h.  */
    | #ifndef __APPLE_CC__
    | 	       not a universal capable compiler
    | 	     #endif
    | 	     typedef int dummy;
    | 
    configure:21910: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:21910: $? = 0
    configure:21928: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp: In function 'int main()':
    conftest.cpp:33:8: error: 'big' was not declared in this scope
        not big endian
            ^~~
    configure:21928: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | /* end confdefs.h.  */
    | #include <sys/types.h>
    | 		#include <sys/param.h>
    | 
    | int
    | main ()
    | {
    | #if BYTE_ORDER != BIG_ENDIAN
    | 		 not big endian
    | 		#endif
    | 
    |   ;
    |   return 0;
    | }
    configure:22056: result: no
    configure:22258: checking whether gcc is Clang
    configure:22283: result: no
    configure:22406: checking whether pthreads work with -pthread
    configure:22500: gcc -o conftest -g -O2 -pthread  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS  conftest.c   >&5
    configure:22500: $? = 0
    configure:22509: result: yes
    configure:22528: checking for joinable pthread attribute
    configure:22546: gcc -o conftest -g -O2 -pthread  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS  conftest.c   >&5
    configure:22546: $? = 0
    configure:22554: result: PTHREAD_CREATE_JOINABLE
    configure:22568: checking whether more special flags are required for pthreads
    configure:22581: result: no
    configure:22589: checking for PTHREAD_PRIO_INHERIT
    configure:22605: gcc -o conftest -g -O2 -pthread  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS  conftest.c   >&5
    configure:22605: $? = 0
    configure:22614: result: yes
    configure:22724: checking for special C compiler options needed for large files
    configure:22769: result: no
    configure:22775: checking for _FILE_OFFSET_BITS value needed for large files
    configure:22800: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:22800: $? = 0
    configure:22832: result: no
    configure:22917: checking whether strerror_r is declared
    configure:22917: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:22917: $? = 0
    configure:22917: result: yes
    configure:22930: checking for strerror_r
    configure:22930: g++ -std=c++11 -o conftest -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS  conftest.cpp  >&5
    configure:22930: $? = 0
    configure:22930: result: yes
    configure:22939: checking whether strerror_r returns char *
    configure:22963: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:22963: $? = 0
    configure:23001: result: yes
    configure:23025: checking for __attribute__((visibility))
    configure:23049: g++ -std=c++11 -o conftest -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS  conftest.cpp  >&5
    configure:23049: $? = 0
    configure:23062: result: yes
    configure:23078: checking for __attribute__((dllexport))
    configure:23099: g++ -std=c++11 -o conftest -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS  conftest.cpp  >&5
    conftest.cpp:34:62: warning: 'dllexport' attribute directive ignored [-Wattributes]
                         __attribute__((dllexport)) int foo( void ) { return 0; }
                                                                  ^
    configure:23099: $? = 0
    configure:23112: result: no
    configure:23128: checking for __attribute__((dllimport))
    configure:23149: g++ -std=c++11 -o conftest -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS  conftest.cpp  >&5
    conftest.cpp:34:62: warning: 'dllimport' attribute directive ignored [-Wattributes]
                         int foo( void ) __attribute__((dllimport));
                                                                  ^
    configure:23149: $? = 0
    configure:23162: result: no
    configure:23282: checking for library containing clock_gettime
    configure:23313: g++ -std=c++11 -o conftest -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS  conftest.cpp  >&5
    configure:23313: $? = 0
    configure:23330: result: none required
    configure:23461: checking whether C++ compiler accepts -fPIC
    configure:23480: g++ -std=c++11 -c -g -O2  -fPIC  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:23480: $? = 0
    configure:23488: result: yes
    configure:23498: checking whether C++ compiler accepts -fstack-reuse=none
    configure:23517: g++ -std=c++11 -c -g -O2  -fstack-reuse=none  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:23517: $? = 0
    configure:23525: result: yes
    configure:23535: checking whether C++ compiler accepts -Wstack-protector
    configure:23554: g++ -std=c++11 -c -g -O2  -Wstack-protector  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:23554: $? = 0
    configure:23562: result: yes
    configure:23570: checking whether C++ compiler accepts -fstack-protector-all
    configure:23589: g++ -std=c++11 -c -g -O2  -fstack-protector-all  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:23589: $? = 0
    configure:23597: result: yes
    configure:23607: checking whether C++ preprocessor accepts -D_FORTIFY_SOURCE=2
    configure:23626: g++ -std=c++11 -E  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS  -D_FORTIFY_SOURCE=2 conftest.cpp
    configure:23626: $? = 0
    configure:23634: result: yes
    configure:23638: checking whether C++ preprocessor accepts -U_FORTIFY_SOURCE
    configure:23657: g++ -std=c++11 -E  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS  -U_FORTIFY_SOURCE conftest.cpp
    configure:23657: $? = 0
    configure:23665: result: yes
    configure:23683: checking whether the linker accepts -Wl,--dynamicbase
    configure:23702: g++ -std=c++11 -o conftest -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS   -Wl,--dynamicbase conftest.cpp  >&5
    /usr/bin/ld: unrecognized option '--dynamicbase'
    /usr/bin/ld: use the --help option for usage information
    collect2: error: ld returned 1 exit status
    configure:23702: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | /* end confdefs.h.  */
    | 
    | int
    | main ()
    | {
    | 
    |   ;
    |   return 0;
    | }
    configure:23711: result: no
    configure:23719: checking whether the linker accepts -Wl,--nxcompat
    configure:23738: g++ -std=c++11 -o conftest -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS   -Wl,--nxcompat conftest.cpp  >&5
    /usr/bin/ld: unrecognized option '--nxcompat'
    /usr/bin/ld: use the --help option for usage information
    collect2: error: ld returned 1 exit status
    configure:23738: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | /* end confdefs.h.  */
    | 
    | int
    | main ()
    | {
    | 
    |   ;
    |   return 0;
    | }
    configure:23747: result: no
    configure:23755: checking whether the linker accepts -Wl,--high-entropy-va
    configure:23774: g++ -std=c++11 -o conftest -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS   -Wl,--high-entropy-va conftest.cpp  >&5
    /usr/bin/ld: unrecognized option '--high-entropy-va'
    /usr/bin/ld: use the --help option for usage information
    collect2: error: ld returned 1 exit status
    configure:23774: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | /* end confdefs.h.  */
    | 
    | int
    | main ()
    | {
    | 
    |   ;
    |   return 0;
    | }
    configure:23783: result: no
    configure:23791: checking whether the linker accepts -Wl,-z,relro
    configure:23810: g++ -std=c++11 -o conftest -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS   -Wl,-z,relro conftest.cpp  >&5
    configure:23810: $? = 0
    configure:23819: result: yes
    configure:23827: checking whether the linker accepts -Wl,-z,now
    configure:23846: g++ -std=c++11 -o conftest -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS   -Wl,-z,now conftest.cpp  >&5
    configure:23846: $? = 0
    configure:23855: result: yes
    configure:23864: checking whether the linker accepts -fPIE -pie
    configure:23883: g++ -std=c++11 -o conftest -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS  -Werror -fPIE -pie conftest.cpp  >&5
    configure:23883: $? = 0
    configure:23893: result: yes
    configure:24104: checking endian.h usability
    configure:24104: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24104: $? = 0
    configure:24104: result: yes
    configure:24104: checking endian.h presence
    configure:24104: g++ -std=c++11 -E  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp
    configure:24104: $? = 0
    configure:24104: result: yes
    configure:24104: checking for endian.h
    configure:24104: result: yes
    configure:24104: checking sys/endian.h usability
    configure:24104: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:66:10: fatal error: sys/endian.h: No such file or directory
     #include <sys/endian.h>
              ^~~~~~~~~~~~~~
    compilation terminated.
    configure:24104: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | /* end confdefs.h.  */
    | #include <stdio.h>
    | #ifdef HAVE_SYS_TYPES_H
    | # include <sys/types.h>
    | #endif
    | #ifdef HAVE_SYS_STAT_H
    | # include <sys/stat.h>
    | #endif
    | #ifdef STDC_HEADERS
    | # include <stdlib.h>
    | # include <stddef.h>
    | #else
    | # ifdef HAVE_STDLIB_H
    | #  include <stdlib.h>
    | # endif
    | #endif
    | #ifdef HAVE_STRING_H
    | # if !defined STDC_HEADERS && defined HAVE_MEMORY_H
    | #  include <memory.h>
    | # endif
    | # include <string.h>
    | #endif
    | #ifdef HAVE_STRINGS_H
    | # include <strings.h>
    | #endif
    | #ifdef HAVE_INTTYPES_H
    | # include <inttypes.h>
    | #endif
    | #ifdef HAVE_STDINT_H
    | # include <stdint.h>
    | #endif
    | #ifdef HAVE_UNISTD_H
    | # include <unistd.h>
    | #endif
    | #include <sys/endian.h>
    configure:24104: result: no
    configure:24104: checking sys/endian.h presence
    configure:24104: g++ -std=c++11 -E  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp
    conftest.cpp:33:10: fatal error: sys/endian.h: No such file or directory
     #include <sys/endian.h>
              ^~~~~~~~~~~~~~
    compilation terminated.
    configure:24104: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | /* end confdefs.h.  */
    | #include <sys/endian.h>
    configure:24104: result: no
    configure:24104: checking for sys/endian.h
    configure:24104: result: no
    configure:24104: checking byteswap.h usability
    configure:24104: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24104: $? = 0
    configure:24104: result: yes
    configure:24104: checking byteswap.h presence
    configure:24104: g++ -std=c++11 -E  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp
    configure:24104: $? = 0
    configure:24104: result: yes
    configure:24104: checking for byteswap.h
    configure:24104: result: yes
    configure:24104: checking stdio.h usability
    configure:24104: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24104: $? = 0
    configure:24104: result: yes
    configure:24104: checking stdio.h presence
    configure:24104: g++ -std=c++11 -E  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp
    configure:24104: $? = 0
    configure:24104: result: yes
    configure:24104: checking for stdio.h
    configure:24104: result: yes
    configure:24104: checking for stdlib.h
    configure:24104: result: yes
    configure:24104: checking for unistd.h
    configure:24104: result: yes
    configure:24104: checking for strings.h
    configure:24104: result: yes
    configure:24104: checking for sys/types.h
    configure:24104: result: yes
    configure:24104: checking for sys/stat.h
    configure:24104: result: yes
    configure:24104: checking sys/select.h usability
    configure:24104: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24104: $? = 0
    configure:24104: result: yes
    configure:24104: checking sys/select.h presence
    configure:24104: g++ -std=c++11 -E  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp
    configure:24104: $? = 0
    configure:24104: result: yes
    configure:24104: checking for sys/select.h
    configure:24104: result: yes
    configure:24104: checking sys/prctl.h usability
    configure:24104: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24104: $? = 0
    configure:24104: result: yes
    configure:24104: checking sys/prctl.h presence
    configure:24104: g++ -std=c++11 -E  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp
    configure:24104: $? = 0
    configure:24104: result: yes
    configure:24104: checking for sys/prctl.h
    configure:24104: result: yes
    configure:24104: checking sys/sysctl.h usability
    configure:24104: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24104: $? = 0
    configure:24104: result: yes
    configure:24104: checking sys/sysctl.h presence
    configure:24104: g++ -std=c++11 -E  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp
    configure:24104: $? = 0
    configure:24104: result: yes
    configure:24104: checking for sys/sysctl.h
    configure:24104: result: yes
    configure:24104: checking vm/vm_param.h usability
    configure:24104: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:76:10: fatal error: vm/vm_param.h: No such file or directory
     #include <vm/vm_param.h>
              ^~~~~~~~~~~~~~~
    compilation terminated.
    configure:24104: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | /* end confdefs.h.  */
    | #include <stdio.h>
    | #ifdef HAVE_SYS_TYPES_H
    | # include <sys/types.h>
    | #endif
    | #ifdef HAVE_SYS_STAT_H
    | # include <sys/stat.h>
    | #endif
    | #ifdef STDC_HEADERS
    | # include <stdlib.h>
    | # include <stddef.h>
    | #else
    | # ifdef HAVE_STDLIB_H
    | #  include <stdlib.h>
    | # endif
    | #endif
    | #ifdef HAVE_STRING_H
    | # if !defined STDC_HEADERS && defined HAVE_MEMORY_H
    | #  include <memory.h>
    | # endif
    | # include <string.h>
    | #endif
    | #ifdef HAVE_STRINGS_H
    | # include <strings.h>
    | #endif
    | #ifdef HAVE_INTTYPES_H
    | # include <inttypes.h>
    | #endif
    | #ifdef HAVE_STDINT_H
    | # include <stdint.h>
    | #endif
    | #ifdef HAVE_UNISTD_H
    | # include <unistd.h>
    | #endif
    | #include <vm/vm_param.h>
    configure:24104: result: no
    configure:24104: checking vm/vm_param.h presence
    configure:24104: g++ -std=c++11 -E  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp
    conftest.cpp:43:10: fatal error: vm/vm_param.h: No such file or directory
     #include <vm/vm_param.h>
              ^~~~~~~~~~~~~~~
    compilation terminated.
    configure:24104: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | /* end confdefs.h.  */
    | #include <vm/vm_param.h>
    configure:24104: result: no
    configure:24104: checking for vm/vm_param.h
    configure:24104: result: no
    configure:24104: checking sys/vmmeter.h usability
    configure:24104: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:76:10: fatal error: sys/vmmeter.h: No such file or directory
     #include <sys/vmmeter.h>
              ^~~~~~~~~~~~~~~
    compilation terminated.
    configure:24104: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | /* end confdefs.h.  */
    | #include <stdio.h>
    | #ifdef HAVE_SYS_TYPES_H
    | # include <sys/types.h>
    | #endif
    | #ifdef HAVE_SYS_STAT_H
    | # include <sys/stat.h>
    | #endif
    | #ifdef STDC_HEADERS
    | # include <stdlib.h>
    | # include <stddef.h>
    | #else
    | # ifdef HAVE_STDLIB_H
    | #  include <stdlib.h>
    | # endif
    | #endif
    | #ifdef HAVE_STRING_H
    | # if !defined STDC_HEADERS && defined HAVE_MEMORY_H
    | #  include <memory.h>
    | # endif
    | # include <string.h>
    | #endif
    | #ifdef HAVE_STRINGS_H
    | # include <strings.h>
    | #endif
    | #ifdef HAVE_INTTYPES_H
    | # include <inttypes.h>
    | #endif
    | #ifdef HAVE_STDINT_H
    | # include <stdint.h>
    | #endif
    | #ifdef HAVE_UNISTD_H
    | # include <unistd.h>
    | #endif
    | #include <sys/vmmeter.h>
    configure:24104: result: no
    configure:24104: checking sys/vmmeter.h presence
    configure:24104: g++ -std=c++11 -E  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp
    conftest.cpp:43:10: fatal error: sys/vmmeter.h: No such file or directory
     #include <sys/vmmeter.h>
              ^~~~~~~~~~~~~~~
    compilation terminated.
    configure:24104: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | /* end confdefs.h.  */
    | #include <sys/vmmeter.h>
    configure:24104: result: no
    configure:24104: checking for sys/vmmeter.h
    configure:24104: result: no
    configure:24104: checking sys/resources.h usability
    configure:24104: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:76:10: fatal error: sys/resources.h: No such file or directory
     #include <sys/resources.h>
              ^~~~~~~~~~~~~~~~~
    compilation terminated.
    configure:24104: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | /* end confdefs.h.  */
    | #include <stdio.h>
    | #ifdef HAVE_SYS_TYPES_H
    | # include <sys/types.h>
    | #endif
    | #ifdef HAVE_SYS_STAT_H
    | # include <sys/stat.h>
    | #endif
    | #ifdef STDC_HEADERS
    | # include <stdlib.h>
    | # include <stddef.h>
    | #else
    | # ifdef HAVE_STDLIB_H
    | #  include <stdlib.h>
    | # endif
    | #endif
    | #ifdef HAVE_STRING_H
    | # if !defined STDC_HEADERS && defined HAVE_MEMORY_H
    | #  include <memory.h>
    | # endif
    | # include <string.h>
    | #endif
    | #ifdef HAVE_STRINGS_H
    | # include <strings.h>
    | #endif
    | #ifdef HAVE_INTTYPES_H
    | # include <inttypes.h>
    | #endif
    | #ifdef HAVE_STDINT_H
    | # include <stdint.h>
    | #endif
    | #ifdef HAVE_UNISTD_H
    | # include <unistd.h>
    | #endif
    | #include <sys/resources.h>
    configure:24104: result: no
    configure:24104: checking sys/resources.h presence
    configure:24104: g++ -std=c++11 -E  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp
    conftest.cpp:43:10: fatal error: sys/resources.h: No such file or directory
     #include <sys/resources.h>
              ^~~~~~~~~~~~~~~~~
    compilation terminated.
    configure:24104: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | /* end confdefs.h.  */
    | #include <sys/resources.h>
    configure:24104: result: no
    configure:24104: checking for sys/resources.h
    configure:24104: result: no
    configure:24115: checking FD_ZERO memcpy dependence
    configure:24138: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24138: $? = 0
    configure:24139: result: no
    configure:24179: checking whether getifaddrs is declared
    configure:24179: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24179: $? = 0
    configure:24179: result: yes
    configure:24192: checking whether freeifaddrs is declared
    configure:24192: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24192: $? = 0
    configure:24192: result: yes
    configure:24206: checking whether strnlen is declared
    configure:24206: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24206: $? = 0
    configure:24206: result: yes
    configure:24218: checking whether daemon is declared
    configure:24218: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24218: $? = 0
    configure:24218: result: yes
    configure:24230: checking whether le16toh is declared
    configure:24230: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24230: $? = 0
    configure:24230: result: yes
    configure:24245: checking whether le32toh is declared
    configure:24245: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24245: $? = 0
    configure:24245: result: yes
    configure:24260: checking whether le64toh is declared
    configure:24260: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24260: $? = 0
    configure:24260: result: yes
    configure:24275: checking whether htole16 is declared
    configure:24275: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24275: $? = 0
    configure:24275: result: yes
    configure:24290: checking whether htole32 is declared
    configure:24290: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24290: $? = 0
    configure:24290: result: yes
    configure:24305: checking whether htole64 is declared
    configure:24305: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24305: $? = 0
    configure:24305: result: yes
    configure:24320: checking whether be16toh is declared
    configure:24320: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24320: $? = 0
    configure:24320: result: yes
    configure:24335: checking whether be32toh is declared
    configure:24335: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24335: $? = 0
    configure:24335: result: yes
    configure:24350: checking whether be64toh is declared
    configure:24350: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24350: $? = 0
    configure:24350: result: yes
    configure:24365: checking whether htobe16 is declared
    configure:24365: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24365: $? = 0
    configure:24365: result: yes
    configure:24380: checking whether htobe32 is declared
    configure:24380: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24380: $? = 0
    configure:24380: result: yes
    configure:24395: checking whether htobe64 is declared
    configure:24395: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24395: $? = 0
    configure:24395: result: yes
    configure:24412: checking whether bswap_16 is declared
    configure:24412: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24412: $? = 0
    configure:24412: result: yes
    configure:24425: checking whether bswap_32 is declared
    configure:24425: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24425: $? = 0
    configure:24425: result: yes
    configure:24438: checking whether bswap_64 is declared
    configure:24438: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24438: $? = 0
    configure:24438: result: yes
    configure:24453: checking whether __builtin_clz is declared
    configure:24453: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24453: $? = 0
    configure:24453: result: yes
    configure:24463: checking whether __builtin_clzl is declared
    configure:24463: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24463: $? = 0
    configure:24463: result: yes
    configure:24473: checking whether __builtin_clzll is declared
    configure:24473: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24473: $? = 0
    configure:24473: result: yes
    configure:24485: checking for getmemoryinfo
    configure:24498: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24498: $? = 0
    configure:24499: result: yes
    configure:24510: checking for mallopt M_ARENA_MAX
    configure:24523: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24523: $? = 0
    configure:24524: result: yes
    configure:24535: checking for visibility attribute
    configure:24544: g++ -std=c++11 -o conftest -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS  conftest.cpp  >&5
    configure:24544: $? = 0
    configure:24549: result: yes
    configure:24568: checking for thread_local support
    configure:24582: g++ -std=c++11 -o conftest -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS  -pthread conftest.cpp  >&5
    configure:24582: $? = 0
    configure:24597: result: yes
    configure:24614: checking for gmtime_r
    configure:24627: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24627: $? = 0
    configure:24628: result: yes
    configure:24662: checking for Linux getrandom syscall
    configure:24677: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24677: $? = 0
    configure:24678: result: yes
    configure:24689: checking for getentropy
    configure:24702: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp: In function 'int main()':
    conftest.cpp:75:12: warning: ignoring return value of 'int getentropy(void*, size_t)', declared with attribute warn_unused_result [-Wunused-result]
      getentropy(nullptr, 32)
      ~~~~~~~~~~^~~~~~~~~~~~~
    configure:24702: $? = 0
    configure:24703: result: yes
    configure:24714: checking for getentropy via random.h
    configure:24728: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp: In function 'int main()':
    conftest.cpp:77:12: warning: ignoring return value of 'int getentropy(void*, size_t)', declared with attribute warn_unused_result [-Wunused-result]
      getentropy(nullptr, 32)
      ~~~~~~~~~~^~~~~~~~~~~~~
    configure:24728: $? = 0
    configure:24729: result: yes
    configure:24740: checking for sysctl
    configure:24757: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:79:6: error: #error "Don't use sysctl on Linux, it's deprecated even when it works"
         #error "Don't use sysctl on Linux, it's deprecated even when it works"
          ^~~~~
    configure:24757: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | /* end confdefs.h.  */
    | #include <sys/types.h>
    |   #include <sys/sysctl.h>
    | int
    | main ()
    | {
    |  #ifdef __linux__
    |     #error "Don't use sysctl on Linux, it's deprecated even when it works"
    |     #endif
    |     sysctl(nullptr, 2, nullptr, nullptr, nullptr, 0);
    |   ;
    |   return 0;
    | }
    configure:24763: result: no
    configure:24769: checking for sysctl KERN_ARND
    configure:24787: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:79:6: error: #error "Don't use sysctl on Linux, it's deprecated even when it works"
         #error "Don't use sysctl on Linux, it's deprecated even when it works"
          ^~~~~
    conftest.cpp: In function 'int main()':
    conftest.cpp:81:37: error: 'KERN_ARND' was not declared in this scope
         static int name[2] = {CTL_KERN, KERN_ARND};
                                         ^~~~~~~~~
    conftest.cpp:81:37: note: suggested alternative: 'KERN_ACCT'
         static int name[2] = {CTL_KERN, KERN_ARND};
                                         ^~~~~~~~~
                                         KERN_ACCT
    configure:24787: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | /* end confdefs.h.  */
    | #include <sys/types.h>
    |   #include <sys/sysctl.h>
    | int
    | main ()
    | {
    |  #ifdef __linux__
    |     #error "Don't use sysctl on Linux, it's deprecated even when it works"
    |     #endif
    |     static int name[2] = {CTL_KERN, KERN_ARND};
    |     sysctl(name, 2, nullptr, nullptr, nullptr, 0);
    |   ;
    |   return 0;
    | }
    configure:24793: result: no
    configure:24799: checking for if type char equals int8_t
    configure:24813: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp: In function 'int main()':
    conftest.cpp:78:2: error: static assertion failed
      static_assert(std::is_same<int8_t, char>::value, "");
      ^~~~~~~~~~~~~
    configure:24813: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | /* end confdefs.h.  */
    | #include <stdint.h>
    |   #include <type_traits>
    | int
    | main ()
    | {
    |  static_assert(std::is_same<int8_t, char>::value, "");
    |   ;
    |   return 0;
    | }
    configure:24819: result: no
    configure:24825: checking for fdatasync
    configure:24838: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24838: $? = 0
    configure:24839: result: yes
    configure:24848: checking for F_FULLFSYNC
    configure:24861: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp: In function 'int main()':
    conftest.cpp:77:11: error: 'F_FULLFSYNC' was not declared in this scope
      fcntl(0, F_FULLFSYNC, 0);
               ^~~~~~~~~~~
    conftest.cpp:77:11: note: suggested alternative: 'O_FSYNC'
      fcntl(0, F_FULLFSYNC, 0);
               ^~~~~~~~~~~
               O_FSYNC
    configure:24861: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | /* end confdefs.h.  */
    | #include <fcntl.h>
    | int
    | main ()
    | {
    |  fcntl(0, F_FULLFSYNC, 0);
    |   ;
    |   return 0;
    | }
    configure:24865: result: no
    configure:24871: checking for O_CLOEXEC
    configure:24884: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24884: $? = 0
    configure:24885: result: yes
    configure:24894: checking for __builtin_prefetch
    configure:24911: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24911: $? = 0
    configure:24912: result: yes
    configure:24921: checking for _mm_prefetch
    configure:24938: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24938: $? = 0
    configure:24939: result: yes
    configure:24948: checking for strong getauxval support in the system headers
    configure:24967: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:74:14: fatal error: arm_acle.h: No such file or directory
         #include <arm_acle.h>
                  ^~~~~~~~~~~~
    compilation terminated.
    configure:24967: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | /* end confdefs.h.  */
    | 
    |     #include <arm_acle.h>
    |     #include <arm_neon.h>
    |     #include <sys/auxv.h>
    | 
    | int
    | main ()
    | {
    | 
    |     getauxval(AT_HWCAP);
    | 
    |   ;
    |   return 0;
    | }
    configure:24971: result: no
    configure:24977: checking for weak getauxval support in the compiler
    configure:24995: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:24995: $? = 0
    configure:24996: result: yes
    configure:25043: checking for std::system
    configure:25057: g++ -std=c++11 -o conftest -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS  conftest.cpp  >&5
    configure:25057: $? = 0
    configure:25058: result: yes
    configure:25070: checking for ::_wsystem
    configure:25084: g++ -std=c++11 -o conftest -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS  conftest.cpp  >&5
    conftest.cpp: In function 'int main()':
    conftest.cpp:78:15: error: '::_wsystem' has not been declared
      int nErr = ::_wsystem("");
                   ^~~~~~~~
    configure:25084: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | /* end confdefs.h.  */
    | 
    | int
    | main ()
    | {
    |  int nErr = ::_wsystem("");
    | 
    |   ;
    |   return 0;
    | }
    configure:25090: result: no
    configure:29095: checking whether to build Bitcoin Core GUI
    configure:29129: result: no
    configure:29153: checking for Berkeley DB C++ headers
    configure:29183: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:76:18: fatal error: bdb4.8/db_cxx.h: No such file or directory
             #include <bdb4.8/db_cxx.h>
                      ^~~~~~~~~~~~~~~~~
    compilation terminated.
    configure:29183: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | 
    |         #include <bdb4.8/db_cxx.h>
    | 
    | int
    | main ()
    | {
    | 
    |         #if !((DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 8) || DB_VERSION_MAJOR > 4)
    |           #error "failed to find bdb 4.8+"
    |         #endif
    | 
    |   ;
    |   return 0;
    | }
    configure:29183: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:76:18: fatal error: libdb4.8/db_cxx.h: No such file or directory
             #include <libdb4.8/db_cxx.h>
                      ^~~~~~~~~~~~~~~~~~~
    compilation terminated.
    configure:29183: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | 
    |         #include <libdb4.8/db_cxx.h>
    | 
    | int
    | main ()
    | {
    | 
    |         #if !((DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 8) || DB_VERSION_MAJOR > 4)
    |           #error "failed to find bdb 4.8+"
    |         #endif
    | 
    |   ;
    |   return 0;
    | }
    configure:29183: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:76:18: fatal error: db4.8/db_cxx.h: No such file or directory
             #include <db4.8/db_cxx.h>
                      ^~~~~~~~~~~~~~~~
    compilation terminated.
    configure:29183: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | 
    |         #include <db4.8/db_cxx.h>
    | 
    | int
    | main ()
    | {
    | 
    |         #if !((DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 8) || DB_VERSION_MAJOR > 4)
    |           #error "failed to find bdb 4.8+"
    |         #endif
    | 
    |   ;
    |   return 0;
    | }
    configure:29183: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:76:18: fatal error: bdb48/db_cxx.h: No such file or directory
             #include <bdb48/db_cxx.h>
                      ^~~~~~~~~~~~~~~~
    compilation terminated.
    configure:29183: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | 
    |         #include <bdb48/db_cxx.h>
    | 
    | int
    | main ()
    | {
    | 
    |         #if !((DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 8) || DB_VERSION_MAJOR > 4)
    |           #error "failed to find bdb 4.8+"
    |         #endif
    | 
    |   ;
    |   return 0;
    | }
    configure:29183: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:76:18: fatal error: libdb48/db_cxx.h: No such file or directory
             #include <libdb48/db_cxx.h>
                      ^~~~~~~~~~~~~~~~~~
    compilation terminated.
    configure:29183: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | 
    |         #include <libdb48/db_cxx.h>
    | 
    | int
    | main ()
    | {
    | 
    |         #if !((DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 8) || DB_VERSION_MAJOR > 4)
    |           #error "failed to find bdb 4.8+"
    |         #endif
    | 
    |   ;
    |   return 0;
    | }
    configure:29183: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:76:18: fatal error: db48/db_cxx.h: No such file or directory
             #include <db48/db_cxx.h>
                      ^~~~~~~~~~~~~~~
    compilation terminated.
    configure:29183: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | 
    |         #include <db48/db_cxx.h>
    | 
    | int
    | main ()
    | {
    | 
    |         #if !((DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 8) || DB_VERSION_MAJOR > 4)
    |           #error "failed to find bdb 4.8+"
    |         #endif
    | 
    |   ;
    |   return 0;
    | }
    configure:29183: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:76:18: fatal error: bdb4/db_cxx.h: No such file or directory
             #include <bdb4/db_cxx.h>
                      ^~~~~~~~~~~~~~~
    compilation terminated.
    configure:29183: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | 
    |         #include <bdb4/db_cxx.h>
    | 
    | int
    | main ()
    | {
    | 
    |         #if !((DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 8) || DB_VERSION_MAJOR > 4)
    |           #error "failed to find bdb 4.8+"
    |         #endif
    | 
    |   ;
    |   return 0;
    | }
    configure:29183: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:76:18: fatal error: libdb4/db_cxx.h: No such file or directory
             #include <libdb4/db_cxx.h>
                      ^~~~~~~~~~~~~~~~~
    compilation terminated.
    configure:29183: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | 
    |         #include <libdb4/db_cxx.h>
    | 
    | int
    | main ()
    | {
    | 
    |         #if !((DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 8) || DB_VERSION_MAJOR > 4)
    |           #error "failed to find bdb 4.8+"
    |         #endif
    | 
    |   ;
    |   return 0;
    | }
    configure:29183: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:76:18: fatal error: db4/db_cxx.h: No such file or directory
             #include <db4/db_cxx.h>
                      ^~~~~~~~~~~~~~
    compilation terminated.
    configure:29183: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | 
    |         #include <db4/db_cxx.h>
    | 
    | int
    | main ()
    | {
    | 
    |         #if !((DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 8) || DB_VERSION_MAJOR > 4)
    |           #error "failed to find bdb 4.8+"
    |         #endif
    | 
    |   ;
    |   return 0;
    | }
    configure:29183: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:76:18: fatal error: bdb5/db_cxx.h: No such file or directory
             #include <bdb5/db_cxx.h>
                      ^~~~~~~~~~~~~~~
    compilation terminated.
    configure:29183: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | 
    |         #include <bdb5/db_cxx.h>
    | 
    | int
    | main ()
    | {
    | 
    |         #if !((DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 8) || DB_VERSION_MAJOR > 4)
    |           #error "failed to find bdb 4.8+"
    |         #endif
    | 
    |   ;
    |   return 0;
    | }
    configure:29183: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:76:18: fatal error: libdb5/db_cxx.h: No such file or directory
             #include <libdb5/db_cxx.h>
                      ^~~~~~~~~~~~~~~~~
    compilation terminated.
    configure:29183: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | 
    |         #include <libdb5/db_cxx.h>
    | 
    | int
    | main ()
    | {
    | 
    |         #if !((DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 8) || DB_VERSION_MAJOR > 4)
    |           #error "failed to find bdb 4.8+"
    |         #endif
    | 
    |   ;
    |   return 0;
    | }
    configure:29183: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:76:18: fatal error: db5/db_cxx.h: No such file or directory
             #include <db5/db_cxx.h>
                      ^~~~~~~~~~~~~~
    compilation terminated.
    configure:29183: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | 
    |         #include <db5/db_cxx.h>
    | 
    | int
    | main ()
    | {
    | 
    |         #if !((DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 8) || DB_VERSION_MAJOR > 4)
    |           #error "failed to find bdb 4.8+"
    |         #endif
    | 
    |   ;
    |   return 0;
    | }
    configure:29183: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:76:18: fatal error: bdb5.3/db_cxx.h: No such file or directory
             #include <bdb5.3/db_cxx.h>
                      ^~~~~~~~~~~~~~~~~
    compilation terminated.
    configure:29183: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | 
    |         #include <bdb5.3/db_cxx.h>
    | 
    | int
    | main ()
    | {
    | 
    |         #if !((DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 8) || DB_VERSION_MAJOR > 4)
    |           #error "failed to find bdb 4.8+"
    |         #endif
    | 
    |   ;
    |   return 0;
    | }
    configure:29183: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:76:18: fatal error: libdb5.3/db_cxx.h: No such file or directory
             #include <libdb5.3/db_cxx.h>
                      ^~~~~~~~~~~~~~~~~~~
    compilation terminated.
    configure:29183: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | 
    |         #include <libdb5.3/db_cxx.h>
    | 
    | int
    | main ()
    | {
    | 
    |         #if !((DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 8) || DB_VERSION_MAJOR > 4)
    |           #error "failed to find bdb 4.8+"
    |         #endif
    | 
    |   ;
    |   return 0;
    | }
    configure:29183: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:76:18: fatal error: db5.3/db_cxx.h: No such file or directory
             #include <db5.3/db_cxx.h>
                      ^~~~~~~~~~~~~~~~
    compilation terminated.
    configure:29183: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | 
    |         #include <db5.3/db_cxx.h>
    | 
    | int
    | main ()
    | {
    | 
    |         #if !((DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 8) || DB_VERSION_MAJOR > 4)
    |           #error "failed to find bdb 4.8+"
    |         #endif
    | 
    |   ;
    |   return 0;
    | }
    configure:29183: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:76:18: fatal error: bdb/db_cxx.h: No such file or directory
             #include <bdb/db_cxx.h>
                      ^~~~~~~~~~~~~~
    compilation terminated.
    configure:29183: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | 
    |         #include <bdb/db_cxx.h>
    | 
    | int
    | main ()
    | {
    | 
    |         #if !((DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 8) || DB_VERSION_MAJOR > 4)
    |           #error "failed to find bdb 4.8+"
    |         #endif
    | 
    |   ;
    |   return 0;
    | }
    configure:29183: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:76:18: fatal error: libdb/db_cxx.h: No such file or directory
             #include <libdb/db_cxx.h>
                      ^~~~~~~~~~~~~~~~
    compilation terminated.
    configure:29183: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | 
    |         #include <libdb/db_cxx.h>
    | 
    | int
    | main ()
    | {
    | 
    |         #if !((DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 8) || DB_VERSION_MAJOR > 4)
    |           #error "failed to find bdb 4.8+"
    |         #endif
    | 
    |   ;
    |   return 0;
    | }
    configure:29183: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:76:18: fatal error: db/db_cxx.h: No such file or directory
             #include <db/db_cxx.h>
                      ^~~~~~~~~~~~~
    compilation terminated.
    configure:29183: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | 
    |         #include <db/db_cxx.h>
    | 
    | int
    | main ()
    | {
    | 
    |         #if !((DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 8) || DB_VERSION_MAJOR > 4)
    |           #error "failed to find bdb 4.8+"
    |         #endif
    | 
    |   ;
    |   return 0;
    | }
    configure:29183: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    configure:29183: $? = 0
    configure:29212: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:83:12: error: #error "failed to find bdb 4.8"
               #error "failed to find bdb 4.8"
                ^~~~~
    configure:29212: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | 
    |         #include <db_cxx.h>
    | 
    | int
    | main ()
    | {
    | 
    |         #if !(DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR == 8)
    |           #error "failed to find bdb 4.8"
    |         #endif
    | 
    |   ;
    |   return 0;
    | }
    configure:29227: result: default
    configure:29243: WARNING: Found Berkeley DB other than 4.8; wallets opened by this build will not be portable!
    configure:29278: checking for main in -ldb_cxx-4.8
    configure:29297: g++ -std=c++11 -o conftest -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS  conftest.cpp -ldb_cxx-4.8   >&5
    configure:29297: $? = 0
    configure:29307: result: yes
    configure:29329: checking miniupnpc/miniwget.h usability
    configure:29329: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:108:10: fatal error: miniupnpc/miniwget.h: No such file or directory
     #include <miniupnpc/miniwget.h>
              ^~~~~~~~~~~~~~~~~~~~~~
    compilation terminated.
    configure:29329: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | #include <stdio.h>
    | #ifdef HAVE_SYS_TYPES_H
    | # include <sys/types.h>
    | #endif
    | #ifdef HAVE_SYS_STAT_H
    | # include <sys/stat.h>
    | #endif
    | #ifdef STDC_HEADERS
    | # include <stdlib.h>
    | # include <stddef.h>
    | #else
    | # ifdef HAVE_STDLIB_H
    | #  include <stdlib.h>
    | # endif
    | #endif
    | #ifdef HAVE_STRING_H
    | # if !defined STDC_HEADERS && defined HAVE_MEMORY_H
    | #  include <memory.h>
    | # endif
    | # include <string.h>
    | #endif
    | #ifdef HAVE_STRINGS_H
    | # include <strings.h>
    | #endif
    | #ifdef HAVE_INTTYPES_H
    | # include <inttypes.h>
    | #endif
    | #ifdef HAVE_STDINT_H
    | # include <stdint.h>
    | #endif
    | #ifdef HAVE_UNISTD_H
    | # include <unistd.h>
    | #endif
    | #include <miniupnpc/miniwget.h>
    configure:29329: result: no
    configure:29329: checking miniupnpc/miniwget.h presence
    configure:29329: g++ -std=c++11 -E  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp
    conftest.cpp:75:10: fatal error: miniupnpc/miniwget.h: No such file or directory
     #include <miniupnpc/miniwget.h>
              ^~~~~~~~~~~~~~~~~~~~~~
    compilation terminated.
    configure:29329: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | #include <miniupnpc/miniwget.h>
    configure:29329: result: no
    configure:29329: checking for miniupnpc/miniwget.h
    configure:29329: result: no
    configure:29329: checking miniupnpc/miniupnpc.h usability
    configure:29329: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:108:10: fatal error: miniupnpc/miniupnpc.h: No such file or directory
     #include <miniupnpc/miniupnpc.h>
              ^~~~~~~~~~~~~~~~~~~~~~~
    compilation terminated.
    configure:29329: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | #include <stdio.h>
    | #ifdef HAVE_SYS_TYPES_H
    | # include <sys/types.h>
    | #endif
    | #ifdef HAVE_SYS_STAT_H
    | # include <sys/stat.h>
    | #endif
    | #ifdef STDC_HEADERS
    | # include <stdlib.h>
    | # include <stddef.h>
    | #else
    | # ifdef HAVE_STDLIB_H
    | #  include <stdlib.h>
    | # endif
    | #endif
    | #ifdef HAVE_STRING_H
    | # if !defined STDC_HEADERS && defined HAVE_MEMORY_H
    | #  include <memory.h>
    | # endif
    | # include <string.h>
    | #endif
    | #ifdef HAVE_STRINGS_H
    | # include <strings.h>
    | #endif
    | #ifdef HAVE_INTTYPES_H
    | # include <inttypes.h>
    | #endif
    | #ifdef HAVE_STDINT_H
    | # include <stdint.h>
    | #endif
    | #ifdef HAVE_UNISTD_H
    | # include <unistd.h>
    | #endif
    | #include <miniupnpc/miniupnpc.h>
    configure:29329: result: no
    configure:29329: checking miniupnpc/miniupnpc.h presence
    configure:29329: g++ -std=c++11 -E  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp
    conftest.cpp:75:10: fatal error: miniupnpc/miniupnpc.h: No such file or directory
     #include <miniupnpc/miniupnpc.h>
              ^~~~~~~~~~~~~~~~~~~~~~~
    compilation terminated.
    configure:29329: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | #include <miniupnpc/miniupnpc.h>
    configure:29329: result: no
    configure:29329: checking for miniupnpc/miniupnpc.h
    configure:29329: result: no
    configure:29329: checking miniupnpc/upnpcommands.h usability
    configure:29329: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:108:10: fatal error: miniupnpc/upnpcommands.h: No such file or directory
     #include <miniupnpc/upnpcommands.h>
              ^~~~~~~~~~~~~~~~~~~~~~~~~~
    compilation terminated.
    configure:29329: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | #include <stdio.h>
    | #ifdef HAVE_SYS_TYPES_H
    | # include <sys/types.h>
    | #endif
    | #ifdef HAVE_SYS_STAT_H
    | # include <sys/stat.h>
    | #endif
    | #ifdef STDC_HEADERS
    | # include <stdlib.h>
    | # include <stddef.h>
    | #else
    | # ifdef HAVE_STDLIB_H
    | #  include <stdlib.h>
    | # endif
    | #endif
    | #ifdef HAVE_STRING_H
    | # if !defined STDC_HEADERS && defined HAVE_MEMORY_H
    | #  include <memory.h>
    | # endif
    | # include <string.h>
    | #endif
    | #ifdef HAVE_STRINGS_H
    | # include <strings.h>
    | #endif
    | #ifdef HAVE_INTTYPES_H
    | # include <inttypes.h>
    | #endif
    | #ifdef HAVE_STDINT_H
    | # include <stdint.h>
    | #endif
    | #ifdef HAVE_UNISTD_H
    | # include <unistd.h>
    | #endif
    | #include <miniupnpc/upnpcommands.h>
    configure:29329: result: no
    configure:29329: checking miniupnpc/upnpcommands.h presence
    configure:29329: g++ -std=c++11 -E  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp
    conftest.cpp:75:10: fatal error: miniupnpc/upnpcommands.h: No such file or directory
     #include <miniupnpc/upnpcommands.h>
              ^~~~~~~~~~~~~~~~~~~~~~~~~~
    compilation terminated.
    configure:29329: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | #include <miniupnpc/upnpcommands.h>
    configure:29329: result: no
    configure:29329: checking for miniupnpc/upnpcommands.h
    configure:29329: result: no
    configure:29329: checking miniupnpc/upnperrors.h usability
    configure:29329: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp >&5
    conftest.cpp:108:10: fatal error: miniupnpc/upnperrors.h: No such file or directory
     #include <miniupnpc/upnperrors.h>
              ^~~~~~~~~~~~~~~~~~~~~~~~
    compilation terminated.
    configure:29329: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | #include <stdio.h>
    | #ifdef HAVE_SYS_TYPES_H
    | # include <sys/types.h>
    | #endif
    | #ifdef HAVE_SYS_STAT_H
    | # include <sys/stat.h>
    | #endif
    | #ifdef STDC_HEADERS
    | # include <stdlib.h>
    | # include <stddef.h>
    | #else
    | # ifdef HAVE_STDLIB_H
    | #  include <stdlib.h>
    | # endif
    | #endif
    | #ifdef HAVE_STRING_H
    | # if !defined STDC_HEADERS && defined HAVE_MEMORY_H
    | #  include <memory.h>
    | # endif
    | # include <string.h>
    | #endif
    | #ifdef HAVE_STRINGS_H
    | # include <strings.h>
    | #endif
    | #ifdef HAVE_INTTYPES_H
    | # include <inttypes.h>
    | #endif
    | #ifdef HAVE_STDINT_H
    | # include <stdint.h>
    | #endif
    | #ifdef HAVE_UNISTD_H
    | # include <unistd.h>
    | #endif
    | #include <miniupnpc/upnperrors.h>
    configure:29329: result: no
    configure:29329: checking miniupnpc/upnperrors.h presence
    configure:29329: g++ -std=c++11 -E  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS conftest.cpp
    conftest.cpp:75:10: fatal error: miniupnpc/upnperrors.h: No such file or directory
     #include <miniupnpc/upnperrors.h>
              ^~~~~~~~~~~~~~~~~~~~~~~~
    compilation terminated.
    configure:29329: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | /* end confdefs.h.  */
    | #include <miniupnpc/upnperrors.h>
    configure:29329: result: no
    configure:29329: checking for miniupnpc/upnperrors.h
    configure:29329: result: no
    configure:29574: checking for boostlib >= 1.47.0 (104700)
    configure:29606: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS -I/usr/include conftest.cpp >&5
    configure:29606: $? = 0
    configure:29608: result: yes
    configure:29803: checking whether the Boost::System library is available
    configure:29828: g++ -std=c++11 -c   -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS -I/usr/include conftest.cpp >&5
    configure:29828: $? = 0
    configure:29843: result: yes
    configure:29858: checking for exit in -lboost_system
    configure:29883: g++ -std=c++11 -o conftest -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS -I/usr/include  -L/usr/lib/x86_64-linux-gnu conftest.cpp -lboost_system   >&5
    conftest.cpp:84:6: warning: declaration of 'char exit()' conflicts with built-in declaration 'void exit(int)' [-Wbuiltin-declaration-mismatch]
     char exit ();
          ^~~~
    configure:29883: $? = 0
    configure:29893: result: yes
    configure:30048: checking whether the Boost::Filesystem library is available
    configure:30072: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS -I/usr/include conftest.cpp >&5
    configure:30072: $? = 0
    configure:30086: result: yes
    configure:30097: checking for exit in -lboost_filesystem
    configure:30122: g++ -std=c++11 -o conftest -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS -I/usr/include  -L/usr/lib/x86_64-linux-gnu conftest.cpp -lboost_filesystem   -lboost_system >&5
    conftest.cpp:85:6: warning: declaration of 'char exit()' conflicts with built-in declaration 'void exit(int)' [-Wbuiltin-declaration-mismatch]
     char exit ();
          ^~~~
    configure:30122: $? = 0
    configure:30132: result: yes
    configure:30282: checking whether the Boost::Thread library is available
    configure:30315: g++ -std=c++11 -c -pthread -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS -I/usr/include conftest.cpp >&5
    configure:30315: $? = 0
    configure:30330: result: yes
    configure:30359: checking for exit in -lboost_thread
    configure:30384: g++ -std=c++11 -o conftest -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS -I/usr/include  -L/usr/lib/x86_64-linux-gnu conftest.cpp -lboost_thread   >&5
    conftest.cpp:86:6: warning: declaration of 'char exit()' conflicts with built-in declaration 'void exit(int)' [-Wbuiltin-declaration-mismatch]
     char exit ();
          ^~~~
    configure:30384: $? = 0
    configure:30394: result: yes
    configure:30656: checking whether the Boost::Unit_Test_Framework library is available
    configure:30679: g++ -std=c++11 -c -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS -DBOOST_SP_USE_STD_ATOMIC -DBOOST_AC_USE_STD_ATOMIC -pthread -I/usr/include conftest.cpp >&5
    configure:30679: $? = 0
    configure:30693: result: yes
    configure:30804: checking for dynamic linked boost test
    configure:30819: g++ -std=c++11 -o conftest -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS -DBOOST_SP_USE_STD_ATOMIC -DBOOST_AC_USE_STD_ATOMIC -pthread -I/usr/include  conftest.cpp  -L/usr/lib/x86_64-linux-gnu -lboost_unit_test_framework >&5
    configure:30819: $? = 0
    configure:30820: result: yes
    configure:30846: checking for mismatched boost c++11 scoped enums
    configure:30874: g++ -std=c++11 -o conftest -g -O2  -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS -DBOOST_SP_USE_STD_ATOMIC -DBOOST_AC_USE_STD_ATOMIC -pthread -I/usr/include  conftest.cpp -L/usr/lib/x86_64-linux-gnu -lboost_system -lboost_filesystem -lboost_thread -lpthread  >&5
    conftest.cpp: In function 'int main()':
    conftest.cpp:97:5: error: 'choke' was not declared in this scope
         choke;
         ^~~~~
    conftest.cpp:97:5: note: suggested alternative: 'clone'
         choke;
         ^~~~~
         clone
    configure:30874: $? = 1
    configure: failed program was:
    | /* confdefs.h */
    | #define PACKAGE_NAME "Bitcoin Core"
    | #define PACKAGE_TARNAME "bitcoin"
    | #define PACKAGE_VERSION "0.20.0rc1"
    | #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    | #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    | #define PACKAGE_URL "https://bitcoincore.org/"
    | #define HAVE_CXX11 1
    | #define STDC_HEADERS 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_STRING_H 1
    | #define HAVE_MEMORY_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_INTTYPES_H 1
    | #define HAVE_STDINT_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_DLFCN_H 1
    | #define LT_OBJDIR ".libs/"
    | #define USE_ASM 1
    | #define ENABLE_SSE41 1
    | #define ENABLE_AVX2 1
    | #define ENABLE_SHANI 1
    | #define HAVE_PTHREAD_PRIO_INHERIT 1
    | #define HAVE_PTHREAD 1
    | #define HAVE_DECL_STRERROR_R 1
    | #define HAVE_STRERROR_R 1
    | #define STRERROR_R_CHAR_P 1
    | #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    | #define HAVE_ENDIAN_H 1
    | #define HAVE_BYTESWAP_H 1
    | #define HAVE_STDIO_H 1
    | #define HAVE_STDLIB_H 1
    | #define HAVE_UNISTD_H 1
    | #define HAVE_STRINGS_H 1
    | #define HAVE_SYS_TYPES_H 1
    | #define HAVE_SYS_STAT_H 1
    | #define HAVE_SYS_SELECT_H 1
    | #define HAVE_SYS_PRCTL_H 1
    | #define HAVE_SYS_SYSCTL_H 1
    | #define HAVE_DECL_GETIFADDRS 1
    | #define HAVE_DECL_FREEIFADDRS 1
    | #define HAVE_DECL_STRNLEN 1
    | #define HAVE_DECL_DAEMON 1
    | #define HAVE_DECL_LE16TOH 1
    | #define HAVE_DECL_LE32TOH 1
    | #define HAVE_DECL_LE64TOH 1
    | #define HAVE_DECL_HTOLE16 1
    | #define HAVE_DECL_HTOLE32 1
    | #define HAVE_DECL_HTOLE64 1
    | #define HAVE_DECL_BE16TOH 1
    | #define HAVE_DECL_BE32TOH 1
    | #define HAVE_DECL_BE64TOH 1
    | #define HAVE_DECL_HTOBE16 1
    | #define HAVE_DECL_HTOBE32 1
    | #define HAVE_DECL_HTOBE64 1
    | #define HAVE_DECL_BSWAP_16 1
    | #define HAVE_DECL_BSWAP_32 1
    | #define HAVE_DECL_BSWAP_64 1
    | #define HAVE_DECL___BUILTIN_CLZ 1
    | #define HAVE_DECL___BUILTIN_CLZL 1
    | #define HAVE_DECL___BUILTIN_CLZLL 1
    | #define HAVE_MALLOC_INFO 1
    | #define HAVE_MALLOPT_ARENA_MAX 1
    | #define HAVE_VISIBILITY_ATTRIBUTE 1
    | #define HAVE_THREAD_LOCAL 1
    | #define HAVE_GMTIME_R 1
    | #define HAVE_SYS_GETRANDOM 1
    | #define HAVE_GETENTROPY 1
    | #define HAVE_GETENTROPY_RAND 1
    | #define HAVE_STD__SYSTEM 1
    | #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    | #define HAVE_BOOST /**/
    | #define HAVE_BOOST_SYSTEM /**/
    | #define HAVE_BOOST_FILESYSTEM /**/
    | #define HAVE_BOOST_THREAD /**/
    | #define HAVE_BOOST_UNIT_TEST_FRAMEWORK /**/
    | /* end confdefs.h.  */
    | 
    |   #include <boost/config.hpp>
    |   #include <boost/version.hpp>
    |   #if !defined(BOOST_NO_SCOPED_ENUMS) && !defined(BOOST_NO_CXX11_SCOPED_ENUMS) && BOOST_VERSION < 105700
    |   #define BOOST_NO_SCOPED_ENUMS
    |   #define BOOST_NO_CXX11_SCOPED_ENUMS
    |   #define CHECK
    |   #endif
    |   #include <boost/filesystem.hpp>
    | 
    | int
    | main ()
    | {
    | 
    |   #if defined(CHECK)
    |     boost::filesystem::copy_file("foo", "bar");
    |   #else
    |     choke;
    |   #endif
    | 
    |   ;
    |   return 0;
    | }
    configure:30878: result: ok
    configure:30974: checking for EVENT
    configure:30981: $PKG_CONFIG --exists --print-errors "libevent"
    configure:30984: $? = 0
    configure:30998: $PKG_CONFIG --exists --print-errors "libevent"
    configure:31001: $? = 0
    configure:31039: result: yes
    configure:31046: checking for EVENT_PTHREADS
    configure:31053: $PKG_CONFIG --exists --print-errors "libevent_pthreads"
    configure:31056: $? = 0
    configure:31070: $PKG_CONFIG --exists --print-errors "libevent_pthreads"
    configure:31073: $? = 0
    configure:31111: result: yes
    configure:31121: checking for ZMQ
    configure:31128: $PKG_CONFIG --exists --print-errors "libzmq >= 4"
    Package libzmq was not found in the pkg-config search path.
    Perhaps you should add the directory containing `libzmq.pc'
    to the PKG_CONFIG_PATH environment variable
    No package 'libzmq' found
    configure:31131: $? = 1
    configure:31145: $PKG_CONFIG --exists --print-errors "libzmq >= 4"
    Package libzmq was not found in the pkg-config search path.
    Perhaps you should add the directory containing `libzmq.pc'
    to the PKG_CONFIG_PATH environment variable
    No package 'libzmq' found
    configure:31148: $? = 1
    configure:31162: result: no
    No package 'libzmq' found
    configure:31181: WARNING: libzmq version 4.x or greater not found, disabling
    configure:31605: checking whether to build bitcoind
    configure:31615: result: yes
    configure:31618: checking whether to build bitcoin-cli
    configure:31628: result: yes
    configure:31631: checking whether to build bitcoin-tx
    configure:31641: result: yes
    configure:31644: checking whether to build bitcoin-wallet
    configure:31654: result: yes
    configure:31657: checking whether to build libraries
    configure:31674: result: yes
    configure:31685: checking if ccache should be used
    configure:31698: result: no
    configure:31739: checking if wallet should be enabled
    configure:31742: result: yes
    configure:31755: checking whether to build with support for UPnP
    configure:31761: result: no
    configure:31848: checking whether to build test_bitcoin
    configure:31851: result: yes
    configure:31860: checking whether to reduce exports
    configure:31866: result: no
    configure:32286: checking that generated files are newer than configure
    configure:32292: result: done
    configure:32448: creating ./config.status
    
    ## ---------------------- ##
    ## Running config.status. ##
    ## ---------------------- ##
    
    This file was extended by Bitcoin Core config.status 0.20.0rc1, which was
    generated by GNU Autoconf 2.69.  Invocation command line was
    
      CONFIG_FILES    = 
      CONFIG_HEADERS  = 
      CONFIG_LINKS    = 
      CONFIG_COMMANDS = 
      $ ./config.status 
    
    on dglaptop
    
    config.status:1451: creating libbitcoinconsensus.pc
    config.status:1451: creating Makefile
    config.status:1451: creating src/Makefile
    config.status:1451: creating doc/man/Makefile
    config.status:1451: creating share/setup.nsi
    config.status:1451: creating share/qt/Info.plist
    config.status:1451: creating test/config.ini
    config.status:1451: creating contrib/devtools/split-debug.sh
    config.status:1451: creating src/config/bitcoin-config.h
    config.status:1711: executing depfiles commands
    config.status:1711: executing libtool commands
    configure:34972: === configuring in src/univalue (/home/dgabriele/dev/bitcoin/src/univalue)
    configure:35035: running /bin/bash ./configure --disable-option-checking '--prefix=/usr/local'  '--without-gui' '--with-incompatible-bdb' '--disable-shared' '--with-pic' '--enable-benchmark=no' '--with-bignum=no' '--enable-module-recovery' '--disable-jni' --cache-file=/dev/null --srcdir=.
    configure:34972: === configuring in src/secp256k1 (/home/dgabriele/dev/bitcoin/src/secp256k1)
    configure:35035: running /bin/bash ./configure --disable-option-checking '--prefix=/usr/local'  '--without-gui' '--with-incompatible-bdb' '--disable-shared' '--with-pic' '--enable-benchmark=no' '--with-bignum=no' '--enable-module-recovery' '--disable-jni' --cache-file=/dev/null --srcdir=.
    
    ## ---------------- ##
    ## Cache variables. ##
    ## ---------------- ##
    
    ac_cv_build=x86_64-pc-linux-gnu
    ac_cv_c_bigendian=no
    ac_cv_c_compiler_gnu=yes
    ac_cv_cxx_compiler_gnu=yes
    ac_cv_env_ARFLAGS_set=
    ac_cv_env_ARFLAGS_value=
    ac_cv_env_BDB_CFLAGS_set=
    ac_cv_env_BDB_CFLAGS_value=
    ac_cv_env_BDB_LIBS_set=
    ac_cv_env_BDB_LIBS_value=
    ac_cv_env_CCC_set=
    ac_cv_env_CCC_value=
    ac_cv_env_CC_set=
    ac_cv_env_CC_value=
    ac_cv_env_CFLAGS_set=
    ac_cv_env_CFLAGS_value=
    ac_cv_env_CPPFLAGS_set=
    ac_cv_env_CPPFLAGS_value=
    ac_cv_env_CPP_set=
    ac_cv_env_CPP_value=
    ac_cv_env_CXXCPP_set=
    ac_cv_env_CXXCPP_value=
    ac_cv_env_CXXFLAGS_set=
    ac_cv_env_CXXFLAGS_value=
    ac_cv_env_CXX_set=
    ac_cv_env_CXX_value=
    ac_cv_env_EVENT_CFLAGS_set=
    ac_cv_env_EVENT_CFLAGS_value=
    ac_cv_env_EVENT_LIBS_set=
    ac_cv_env_EVENT_LIBS_value=
    ac_cv_env_EVENT_PTHREADS_CFLAGS_set=
    ac_cv_env_EVENT_PTHREADS_CFLAGS_value=
    ac_cv_env_EVENT_PTHREADS_LIBS_set=
    ac_cv_env_EVENT_PTHREADS_LIBS_value=
    ac_cv_env_LDFLAGS_set=
    ac_cv_env_LDFLAGS_value=
    ac_cv_env_LIBS_set=
    ac_cv_env_LIBS_value=
    ac_cv_env_LT_SYS_LIBRARY_PATH_set=
    ac_cv_env_LT_SYS_LIBRARY_PATH_value=
    ac_cv_env_OBJCXXFLAGS_set=
    ac_cv_env_OBJCXXFLAGS_value=
    ac_cv_env_OBJCXX_set=
    ac_cv_env_OBJCXX_value=
    ac_cv_env_PKG_CONFIG_LIBDIR_set=
    ac_cv_env_PKG_CONFIG_LIBDIR_value=
    ac_cv_env_PKG_CONFIG_PATH_set=
    ac_cv_env_PKG_CONFIG_PATH_value=
    ac_cv_env_PKG_CONFIG_set=
    ac_cv_env_PKG_CONFIG_value=
    ac_cv_env_PYTHONPATH_set=
    ac_cv_env_PYTHONPATH_value=
    ac_cv_env_QR_CFLAGS_set=
    ac_cv_env_QR_CFLAGS_value=
    ac_cv_env_QR_LIBS_set=
    ac_cv_env_QR_LIBS_value=
    ac_cv_env_QT5_CFLAGS_set=
    ac_cv_env_QT5_CFLAGS_value=
    ac_cv_env_QT5_LIBS_set=
    ac_cv_env_QT5_LIBS_value=
    ac_cv_env_QTACCESSIBILITY_CFLAGS_set=
    ac_cv_env_QTACCESSIBILITY_CFLAGS_value=
    ac_cv_env_QTACCESSIBILITY_LIBS_set=
    ac_cv_env_QTACCESSIBILITY_LIBS_value=
    ac_cv_env_QTCGL_CFLAGS_set=
    ac_cv_env_QTCGL_CFLAGS_value=
    ac_cv_env_QTCGL_LIBS_set=
    ac_cv_env_QTCGL_LIBS_value=
    ac_cv_env_QTCLIPBOARD_CFLAGS_set=
    ac_cv_env_QTCLIPBOARD_CFLAGS_value=
    ac_cv_env_QTCLIPBOARD_LIBS_set=
    ac_cv_env_QTCLIPBOARD_LIBS_value=
    ac_cv_env_QTDEVICEDISCOVERY_CFLAGS_set=
    ac_cv_env_QTDEVICEDISCOVERY_CFLAGS_value=
    ac_cv_env_QTDEVICEDISCOVERY_LIBS_set=
    ac_cv_env_QTDEVICEDISCOVERY_LIBS_value=
    ac_cv_env_QTEVENTDISPATCHER_CFLAGS_set=
    ac_cv_env_QTEVENTDISPATCHER_CFLAGS_value=
    ac_cv_env_QTEVENTDISPATCHER_LIBS_set=
    ac_cv_env_QTEVENTDISPATCHER_LIBS_value=
    ac_cv_env_QTFB_CFLAGS_set=
    ac_cv_env_QTFB_CFLAGS_value=
    ac_cv_env_QTFB_LIBS_set=
    ac_cv_env_QTFB_LIBS_value=
    ac_cv_env_QTFONTDATABASE_CFLAGS_set=
    ac_cv_env_QTFONTDATABASE_CFLAGS_value=
    ac_cv_env_QTFONTDATABASE_LIBS_set=
    ac_cv_env_QTFONTDATABASE_LIBS_value=
    ac_cv_env_QTGRAPHICS_CFLAGS_set=
    ac_cv_env_QTGRAPHICS_CFLAGS_value=
    ac_cv_env_QTGRAPHICS_LIBS_set=
    ac_cv_env_QTGRAPHICS_LIBS_value=
    ac_cv_env_QTPLATFORM_CFLAGS_set=
    ac_cv_env_QTPLATFORM_CFLAGS_value=
    ac_cv_env_QTPLATFORM_LIBS_set=
    ac_cv_env_QTPLATFORM_LIBS_value=
    ac_cv_env_QTTHEME_CFLAGS_set=
    ac_cv_env_QTTHEME_CFLAGS_value=
    ac_cv_env_QTTHEME_LIBS_set=
    ac_cv_env_QTTHEME_LIBS_value=
    ac_cv_env_QTXCBQPA_CFLAGS_set=
    ac_cv_env_QTXCBQPA_CFLAGS_value=
    ac_cv_env_QTXCBQPA_LIBS_set=
    ac_cv_env_QTXCBQPA_LIBS_value=
    ac_cv_env_QT_DBUS_CFLAGS_set=
    ac_cv_env_QT_DBUS_CFLAGS_value=
    ac_cv_env_QT_DBUS_LIBS_set=
    ac_cv_env_QT_DBUS_LIBS_value=
    ac_cv_env_QT_TEST_CFLAGS_set=
    ac_cv_env_QT_TEST_CFLAGS_value=
    ac_cv_env_QT_TEST_LIBS_set=
    ac_cv_env_QT_TEST_LIBS_value=
    ac_cv_env_UNIVALUE_CFLAGS_set=
    ac_cv_env_UNIVALUE_CFLAGS_value=
    ac_cv_env_UNIVALUE_LIBS_set=
    ac_cv_env_UNIVALUE_LIBS_value=
    ac_cv_env_ZMQ_CFLAGS_set=
    ac_cv_env_ZMQ_CFLAGS_value=
    ac_cv_env_ZMQ_LIBS_set=
    ac_cv_env_ZMQ_LIBS_value=
    ac_cv_env_build_alias_set=
    ac_cv_env_build_alias_value=
    ac_cv_env_host_alias_set=
    ac_cv_env_host_alias_value=
    ac_cv_env_target_alias_set=
    ac_cv_env_target_alias_value=
    ac_cv_func_strerror_r=yes
    ac_cv_func_strerror_r_char_p=yes
    ac_cv_have_decl___builtin_clz=yes
    ac_cv_have_decl___builtin_clzl=yes
    ac_cv_have_decl___builtin_clzll=yes
    ac_cv_have_decl_be16toh=yes
    ac_cv_have_decl_be32toh=yes
    ac_cv_have_decl_be64toh=yes
    ac_cv_have_decl_bswap_16=yes
    ac_cv_have_decl_bswap_32=yes
    ac_cv_have_decl_bswap_64=yes
    ac_cv_have_decl_daemon=yes
    ac_cv_have_decl_freeifaddrs=yes
    ac_cv_have_decl_getifaddrs=yes
    ac_cv_have_decl_htobe16=yes
    ac_cv_have_decl_htobe32=yes
    ac_cv_have_decl_htobe64=yes
    ac_cv_have_decl_htole16=yes
    ac_cv_have_decl_htole32=yes
    ac_cv_have_decl_htole64=yes
    ac_cv_have_decl_le16toh=yes
    ac_cv_have_decl_le32toh=yes
    ac_cv_have_decl_le64toh=yes
    ac_cv_have_decl_strerror_r=yes
    ac_cv_have_decl_strnlen=yes
    ac_cv_header_byteswap_h=yes
    ac_cv_header_dlfcn_h=yes
    ac_cv_header_endian_h=yes
    ac_cv_header_inttypes_h=yes
    ac_cv_header_memory_h=yes
    ac_cv_header_miniupnpc_miniupnpc_h=no
    ac_cv_header_miniupnpc_miniwget_h=no
    ac_cv_header_miniupnpc_upnpcommands_h=no
    ac_cv_header_miniupnpc_upnperrors_h=no
    ac_cv_header_stdc=yes
    ac_cv_header_stdint_h=yes
    ac_cv_header_stdio_h=yes
    ac_cv_header_stdlib_h=yes
    ac_cv_header_string_h=yes
    ac_cv_header_strings_h=yes
    ac_cv_header_sys_endian_h=no
    ac_cv_header_sys_prctl_h=yes
    ac_cv_header_sys_resources_h=no
    ac_cv_header_sys_select_h=yes
    ac_cv_header_sys_stat_h=yes
    ac_cv_header_sys_sysctl_h=yes
    ac_cv_header_sys_types_h=yes
    ac_cv_header_sys_vmmeter_h=no
    ac_cv_header_unistd_h=yes
    ac_cv_header_vm_vm_param_h=no
    ac_cv_host=x86_64-pc-linux-gnu
    ac_cv_lib_boost_filesystem___exit=yes
    ac_cv_lib_boost_system___exit=yes
    ac_cv_lib_boost_thread___exit=yes
    ac_cv_lib_db_cxx_4_8___main=yes
    ac_cv_objcxx_compiler_gnu=no
    ac_cv_objext=o
    ac_cv_path_EGREP='/bin/grep -E'
    ac_cv_path_FGREP='/bin/grep -F'
    ac_cv_path_GIT=/usr/bin/git
    ac_cv_path_GREP=/bin/grep
    ac_cv_path_HEXDUMP=/usr/bin/hexdump
    ac_cv_path_PYTHON=/usr/bin/python3.6
    ac_cv_path_SED=/bin/sed
    ac_cv_path_XGETTEXT=/usr/bin/xgettext
    ac_cv_path_ac_pt_AR=/usr/bin/ar
    ac_cv_path_ac_pt_CPPFILT=/usr/bin/c++filt
    ac_cv_path_ac_pt_GCOV=/usr/bin/gcov
    ac_cv_path_ac_pt_OBJCOPY=/usr/bin/objcopy
    ac_cv_path_ac_pt_PKG_CONFIG=/usr/bin/pkg-config
    ac_cv_path_ac_pt_RANLIB=/usr/bin/ranlib
    ac_cv_path_ac_pt_READELF=/usr/bin/readelf
    ac_cv_path_ac_pt_STRIP=/usr/bin/strip
    ac_cv_path_install='/usr/bin/install -c'
    ac_cv_path_lt_DD=/bin/dd
    ac_cv_path_mkdir=/bin/mkdir
    ac_cv_prog_AWK=mawk
    ac_cv_prog_CPP='gcc -E'
    ac_cv_prog_CXXCPP='g++ -std=c++11 -E'
    ac_cv_prog_ac_ct_AR=ar
    ac_cv_prog_ac_ct_CC=gcc
    ac_cv_prog_ac_ct_CXX=g++
    ac_cv_prog_ac_ct_MANIFEST_TOOL=mt
    ac_cv_prog_ac_ct_OBJDUMP=objdump
    ac_cv_prog_ac_ct_RANLIB=ranlib
    ac_cv_prog_ac_ct_STRIP=strip
    ac_cv_prog_cc_c89=
    ac_cv_prog_cc_g=yes
    ac_cv_prog_cxx_g=yes
    ac_cv_prog_make_make_set=yes
    ac_cv_prog_objcxx_g=no
    ac_cv_search_clock_gettime='none required'
    ac_cv_sys_file_offset_bits=no
    ac_cv_sys_largefile_CC=no
    am_cv_CC_dependencies_compiler_type=gcc3
    am_cv_CXX_dependencies_compiler_type=gcc3
    am_cv_OBJCXX_dependencies_compiler_type=gcc3
    am_cv_make_support_nested_variables=yes
    am_cv_prog_cc_c_o=yes
    ax_cv_PTHREAD_CLANG=no
    ax_cv_PTHREAD_JOINABLE_ATTR=PTHREAD_CREATE_JOINABLE
    ax_cv_PTHREAD_PRIO_INHERIT=yes
    ax_cv_PTHREAD_SPECIAL_FLAGS=no
    ax_cv_boost_filesystem=yes
    ax_cv_boost_system=yes
    ax_cv_boost_thread=yes
    ax_cv_boost_unit_test_framework=yes
    ax_cv_check_cxxcppflags___D_FORTIFY_SOURCE_2=yes
    ax_cv_check_cxxcppflags___U_FORTIFY_SOURCE=yes
    ax_cv_check_cxxflags__Wall=yes
    ax_cv_check_cxxflags__Wdate_time=yes
    ax_cv_check_cxxflags__Wdeprecated_register=no
    ax_cv_check_cxxflags__Wextra=yes
    ax_cv_check_cxxflags__Wformat=yes
    ax_cv_check_cxxflags__Wformat_security=yes
    ax_cv_check_cxxflags__Wimplicit_fallthrough=yes
    ax_cv_check_cxxflags__Wrange_loop_analysis=no
    ax_cv_check_cxxflags__Wredundant_decls=yes
    ax_cv_check_cxxflags__Wself_assign=no
    ax_cv_check_cxxflags__Wswitch=yes
    ax_cv_check_cxxflags__Wthread_safety_analysis=no
    ax_cv_check_cxxflags__Wunused_local_typedef=no
    ax_cv_check_cxxflags__Wunused_parameter=yes
    ax_cv_check_cxxflags__Wunused_variable=yes
    ax_cv_check_cxxflags__Wvla=yes
    ax_cv_check_cxxflags___Werror=yes
    ax_cv_check_cxxflags___Wstack_protector=yes
    ax_cv_check_cxxflags___fPIC=yes
    ax_cv_check_cxxflags___fstack_protector_all=yes
    ax_cv_check_cxxflags___fstack_reuse_none=yes
    ax_cv_check_cxxflags__march_armv8_apcrcpcrypto=no
    ax_cv_check_cxxflags__mavx__mavx2=yes
    ax_cv_check_cxxflags__msse4_1=yes
    ax_cv_check_cxxflags__msse4_2=yes
    ax_cv_check_cxxflags__msse4__msha=yes
    ax_cv_check_ldflags___Wl___dynamicbase=no
    ax_cv_check_ldflags___Wl___high_entropy_va=no
    ax_cv_check_ldflags___Wl___nxcompat=no
    ax_cv_check_ldflags___Wl__z_now=yes
    ax_cv_check_ldflags___Wl__z_relro=yes
    ax_cv_check_ldflags__fPIE__pie=yes
    ax_cv_cxx_compile_cxx11__std_cpp11=yes
    ax_cv_have_func_attribute_dllexport=no
    ax_cv_have_func_attribute_dllimport=no
    ax_cv_have_func_attribute_visibility=yes
    lt_cv_ar_at_file=@
    lt_cv_archive_cmds_need_lc=no
    lt_cv_deplibs_check_method=pass_all
    lt_cv_file_magic_cmd='$MAGIC_CMD'
    lt_cv_file_magic_test_file=
    lt_cv_ld_reload_flag=-r
    lt_cv_nm_interface='BSD nm'
    lt_cv_objdir=.libs
    lt_cv_path_LD=/usr/bin/ld
    lt_cv_path_LDCXX='/usr/bin/ld -m elf_x86_64'
    lt_cv_path_NM='/usr/bin/nm -B'
    lt_cv_path_mainfest_tool=no
    lt_cv_prog_compiler_c_o=yes
    lt_cv_prog_compiler_c_o_CXX=yes
    lt_cv_prog_compiler_pic='-fPIC -DPIC'
    lt_cv_prog_compiler_pic_CXX='-fPIC -DPIC'
    lt_cv_prog_compiler_pic_works=yes
    lt_cv_prog_compiler_pic_works_CXX=yes
    lt_cv_prog_compiler_rtti_exceptions=no
    lt_cv_prog_compiler_static_works=yes
    lt_cv_prog_compiler_static_works_CXX=yes
    lt_cv_prog_gnu_ld=yes
    lt_cv_prog_gnu_ldcxx=yes
    lt_cv_sharedlib_from_linklib_cmd='printf %s\n'
    lt_cv_shlibpath_overrides_runpath=yes
    lt_cv_sys_global_symbol_pipe='sed -n -e '\''s/^.*[	 ]\([ABCDGIRSTW][ABCDGIRSTW]*\)[	 ][	 ]*\([_A-Za-z][_A-Za-z0-9]*\)$/\1 \2 \2/p'\'' | sed '\''/ __gnu_lto/d'\'''
    lt_cv_sys_global_symbol_to_c_name_address='sed -n -e '\''s/^: \(.*\) .*$/  {"\1", (void *) 0},/p'\'' -e '\''s/^[ABCDGIRSTW][ABCDGIRSTW]* .* \(.*\)$/  {"\1", (void *) \&\1},/p'\'''
    lt_cv_sys_global_symbol_to_c_name_address_lib_prefix='sed -n -e '\''s/^: \(.*\) .*$/  {"\1", (void *) 0},/p'\'' -e '\''s/^[ABCDGIRSTW][ABCDGIRSTW]* .* \(lib.*\)$/  {"\1", (void *) \&\1},/p'\'' -e '\''s/^[ABCDGIRSTW][ABCDGIRSTW]* .* \(.*\)$/  {"lib\1", (void *) \&\1},/p'\'''
    lt_cv_sys_global_symbol_to_cdecl='sed -n -e '\''s/^T .* \(.*\)$/extern int \1();/p'\'' -e '\''s/^[ABCDGIRSTW][ABCDGIRSTW]* .* \(.*\)$/extern char \1;/p'\'''
    lt_cv_sys_global_symbol_to_import=
    lt_cv_sys_max_cmd_len=1572864
    lt_cv_to_host_file_cmd=func_convert_file_noop
    lt_cv_to_tool_file_cmd=func_convert_file_noop
    lt_cv_truncate_bin='/bin/dd bs=4096 count=1'
    pkg_cv_EVENT_CFLAGS=
    pkg_cv_EVENT_LIBS=-levent
    pkg_cv_EVENT_PTHREADS_CFLAGS=-pthread
    pkg_cv_EVENT_PTHREADS_LIBS='-levent_pthreads -levent'
    
    ## ----------------- ##
    ## Output variables. ##
    ## ----------------- ##
    
    ACLOCAL='${SHELL} /home/dgabriele/dev/bitcoin/build-aux/missing aclocal-1.15'
    AMDEPBACKSLASH='\'
    AMDEP_FALSE='#'
    AMDEP_TRUE=''
    AMTAR='$${TAR-tar}'
    AM_BACKSLASH='\'
    AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
    AM_DEFAULT_VERBOSITY='0'
    AM_V='$(V)'
    AR='/usr/bin/ar'
    ARFLAGS='cr'
    ARM_CRC_CXXFLAGS=''
    AUTOCONF='${SHELL} /home/dgabriele/dev/bitcoin/build-aux/missing autoconf'
    AUTOHEADER='${SHELL} /home/dgabriele/dev/bitcoin/build-aux/missing autoheader'
    AUTOMAKE='${SHELL} /home/dgabriele/dev/bitcoin/build-aux/missing automake-1.15'
    AVX2_CXXFLAGS='-mavx -mavx2'
    AWK='mawk'
    BDB_CFLAGS=''
    BDB_CPPFLAGS=''
    BDB_LIBS='-ldb_cxx-4.8'
    BITCOIN_CLI_NAME='bitcoin-cli'
    BITCOIN_DAEMON_NAME='bitcoind'
    BITCOIN_GUI_NAME='bitcoin-qt'
    BITCOIN_TX_NAME='bitcoin-tx'
    BITCOIN_WALLET_TOOL_NAME='bitcoin-wallet'
    BOOST_CPPFLAGS='-DBOOST_SP_USE_STD_ATOMIC -DBOOST_AC_USE_STD_ATOMIC -pthread -I/usr/include'
    BOOST_FILESYSTEM_LIB='-lboost_filesystem'
    BOOST_LDFLAGS='-L/usr/lib/x86_64-linux-gnu'
    BOOST_LIBS='-L/usr/lib/x86_64-linux-gnu -lboost_system -lboost_filesystem -lboost_thread -lpthread'
    BOOST_SYSTEM_LIB='-lboost_system'
    BOOST_THREAD_LIB='-lboost_thread -lpthread'
    BOOST_UNIT_TEST_FRAMEWORK_LIB='-lboost_unit_test_framework'
    BREW=''
    BUILD_BITCOIND_FALSE='#'
    BUILD_BITCOIND_TRUE=''
    BUILD_BITCOIN_CLI_FALSE='#'
    BUILD_BITCOIN_CLI_TRUE=''
    BUILD_BITCOIN_LIBS_FALSE='#'
    BUILD_BITCOIN_LIBS_TRUE=''
    BUILD_BITCOIN_TX_FALSE='#'
    BUILD_BITCOIN_TX_TRUE=''
    BUILD_BITCOIN_WALLET_FALSE='#'
    BUILD_BITCOIN_WALLET_TRUE=''
    BUILD_DARWIN_FALSE=''
    BUILD_DARWIN_TRUE='#'
    CC='gcc'
    CCACHE=''
    CCDEPMODE='depmode=gcc3'
    CFLAGS='-g -O2'
    CLIENT_VERSION_BUILD='0'
    CLIENT_VERSION_IS_RELEASE='true'
    CLIENT_VERSION_MAJOR='0'
    CLIENT_VERSION_MINOR='20'
    CLIENT_VERSION_REVISION='0'
    COMPAT_LDFLAGS=''
    COPYRIGHT_HOLDERS='The %s developers'
    COPYRIGHT_HOLDERS_FINAL='The Bitcoin Core developers'
    COPYRIGHT_HOLDERS_SUBSTITUTION='Bitcoin Core'
    COPYRIGHT_YEAR='2020'
    CPP='gcc -E'
    CPPFILT='/usr/bin/c++filt'
    CPPFLAGS=' -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS'
    CXX='g++ -std=c++11'
    CXXCPP='g++ -std=c++11 -E'
    CXXDEPMODE='depmode=gcc3'
    CXXFLAGS='-g -O2'
    CYGPATH_W='echo'
    DEBUG_CPPFLAGS=''
    DEBUG_CXXFLAGS=''
    DEFS='-DHAVE_CONFIG_H'
    DEPDIR='.deps'
    DLLTOOL='false'
    DOXYGEN=''
    DSYMUTIL=''
    DUMPBIN=''
    ECHO_C=''
    ECHO_N='-n'
    ECHO_T=''
    EGREP='/bin/grep -E'
    EMBEDDED_LEVELDB_FALSE='#'
    EMBEDDED_LEVELDB_TRUE=''
    EMBEDDED_UNIVALUE_FALSE='#'
    EMBEDDED_UNIVALUE_TRUE=''
    ENABLE_ARM_CRC_FALSE=''
    ENABLE_ARM_CRC_TRUE='#'
    ENABLE_AVX2_FALSE='#'
    ENABLE_AVX2_TRUE=''
    ENABLE_BENCH_FALSE='#'
    ENABLE_BENCH_TRUE=''
    ENABLE_FUZZ_FALSE=''
    ENABLE_FUZZ_TRUE='#'
    ENABLE_MAN_FALSE='#'
    ENABLE_MAN_TRUE=''
    ENABLE_QT_FALSE=''
    ENABLE_QT_TESTS_FALSE=''
    ENABLE_QT_TESTS_TRUE='#'
    ENABLE_QT_TRUE='#'
    ENABLE_SHANI_FALSE='#'
    ENABLE_SHANI_TRUE=''
    ENABLE_SSE41_FALSE='#'
    ENABLE_SSE41_TRUE=''
    ENABLE_SSE42_FALSE='#'
    ENABLE_SSE42_TRUE=''
    ENABLE_TESTS_FALSE='#'
    ENABLE_TESTS_TRUE=''
    ENABLE_WALLET_FALSE='#'
    ENABLE_WALLET_TRUE=''
    ENABLE_ZMQ_FALSE=''
    ENABLE_ZMQ_TRUE='#'
    ERROR_CXXFLAGS=''
    EVENT_CFLAGS=''
    EVENT_LIBS='-levent'
    EVENT_PTHREADS_CFLAGS='-pthread'
    EVENT_PTHREADS_LIBS='-levent_pthreads -levent'
    EXEEXT=''
    EXTENDED_FUNCTIONAL_TESTS=''
    FGREP='/bin/grep -F'
    GCOV='/usr/bin/gcov'
    GENHTML=''
    GENISOIMAGE=''
    GIT='/usr/bin/git'
    GLIBC_BACK_COMPAT_FALSE=''
    GLIBC_BACK_COMPAT_TRUE='#'
    GPROF_CXXFLAGS=''
    GPROF_LDFLAGS=''
    GREP='/bin/grep'
    HARDENED_CPPFLAGS=' -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2'
    HARDENED_CXXFLAGS=' -fstack-reuse=none -Wstack-protector -fstack-protector-all'
    HARDENED_LDFLAGS=' -Wl,-z,relro -Wl,-z,now -pie'
    HARDEN_FALSE='#'
    HARDEN_TRUE=''
    HAVE_BUILTIN_PREFETCH='1'
    HAVE_CXX11='1'
    HAVE_DOXYGEN_FALSE=''
    HAVE_DOXYGEN_TRUE='#'
    HAVE_FDATASYNC='1'
    HAVE_FULLFSYNC='0'
    HAVE_GMTIME_R=''
    HAVE_MM_PREFETCH='1'
    HAVE_O_CLOEXEC='1'
    HAVE_STRONG_GETAUXVAL='0'
    HAVE_WEAK_GETAUXVAL='1'
    HEXDUMP='/usr/bin/hexdump'
    IMAGEMAGICK_CONVERT=''
    INSTALLNAMETOOL=''
    INSTALL_DATA='${INSTALL} -m 644'
    INSTALL_PROGRAM='${INSTALL}'
    INSTALL_SCRIPT='${INSTALL}'
    INSTALL_STRIP_PROGRAM='$(install_sh) -c -s'
    LCOV=''
    LCOV_OPTS=''
    LD='/usr/bin/ld -m elf_x86_64'
    LDFLAGS=''
    LEVELDB_CPPFLAGS=''
    LIBLEVELDB=''
    LIBMEMENV=''
    LIBOBJS=''
    LIBS=''
    LIBTOOL='$(SHELL) $(top_builddir)/libtool'
    LIBTOOL_APP_LDFLAGS=''
    LIPO=''
    LN_S='ln -s'
    LRELEASE=''
    LTLIBOBJS=''
    LT_SYS_LIBRARY_PATH=''
    LUPDATE=''
    MAINT=''
    MAINTAINER_MODE_FALSE='#'
    MAINTAINER_MODE_TRUE=''
    MAKEINFO='${SHELL} /home/dgabriele/dev/bitcoin/build-aux/missing makeinfo'
    MAKENSIS=''
    MANIFEST_TOOL=':'
    MINIUPNPC_CPPFLAGS=''
    MINIUPNPC_LIBS=''
    MKDIR_P='/bin/mkdir -p'
    MOC=''
    MOC_DEFS='-DHAVE_CONFIG_H -I$(srcdir)'
    NM='/usr/bin/nm -B'
    NMEDIT=''
    NOWARN_CXXFLAGS=' -Wno-unused-parameter -Wno-implicit-fallthrough'
    OBJCOPY='/usr/bin/objcopy'
    OBJCXX='g++ -std=c++11'
    OBJCXXDEPMODE='depmode=gcc3'
    OBJCXXFLAGS=''
    OBJDUMP='objdump'
    OBJEXT='o'
    OTOOL64=''
    OTOOL=''
    PACKAGE='bitcoin'
    PACKAGE_BUGREPORT='https://github.com/bitcoin/bitcoin/issues'
    PACKAGE_NAME='Bitcoin Core'
    PACKAGE_STRING='Bitcoin Core 0.20.0rc1'
    PACKAGE_TARNAME='bitcoin'
    PACKAGE_URL='https://bitcoincore.org/'
    PACKAGE_VERSION='0.20.0rc1'
    PATH_SEPARATOR=':'
    PIC_FLAGS='-fPIC'
    PIE_FLAGS='-fPIE'
    PKG_CONFIG='/usr/bin/pkg-config'
    PKG_CONFIG_LIBDIR=''
    PKG_CONFIG_PATH=''
    PTHREAD_CC='gcc'
    PTHREAD_CFLAGS='-pthread'
    PTHREAD_LIBS=''
    PYTHON='/usr/bin/python3.6'
    PYTHONPATH=''
    QR_CFLAGS=''
    QR_LIBS=''
    QT5_CFLAGS=''
    QT5_LIBS=''
    QTACCESSIBILITY_CFLAGS=''
    QTACCESSIBILITY_LIBS=''
    QTCGL_CFLAGS=''
    QTCGL_LIBS=''
    QTCLIPBOARD_CFLAGS=''
    QTCLIPBOARD_LIBS=''
    QTDEVICEDISCOVERY_CFLAGS=''
    QTDEVICEDISCOVERY_LIBS=''
    QTEVENTDISPATCHER_CFLAGS=''
    QTEVENTDISPATCHER_LIBS=''
    QTFB_CFLAGS=''
    QTFB_LIBS=''
    QTFONTDATABASE_CFLAGS=''
    QTFONTDATABASE_LIBS=''
    QTGRAPHICS_CFLAGS=''
    QTGRAPHICS_LIBS=''
    QTPLATFORM_CFLAGS=''
    QTPLATFORM_LIBS=''
    QTTHEME_CFLAGS=''
    QTTHEME_LIBS=''
    QTXCBQPA_CFLAGS=''
    QTXCBQPA_LIBS=''
    QT_DBUS_CFLAGS=''
    QT_DBUS_INCLUDES=''
    QT_DBUS_LIBS=''
    QT_INCLUDES=''
    QT_LDFLAGS=''
    QT_LIBS=''
    QT_PIE_FLAGS=''
    QT_SELECT='qt5'
    QT_TEST_CFLAGS=''
    QT_TEST_INCLUDES=''
    QT_TEST_LIBS=''
    QT_TRANSLATION_DIR=''
    RANLIB='/usr/bin/ranlib'
    RCC=''
    READELF='/usr/bin/readelf'
    RELDFLAGS=''
    RSVG_CONVERT=''
    SANITIZER_CXXFLAGS=''
    SANITIZER_LDFLAGS=''
    SED='/bin/sed'
    SET_MAKE=''
    SHANI_CXXFLAGS='-msse4 -msha'
    SHELL='/bin/bash'
    SSE41_CXXFLAGS='-msse4.1'
    SSE42_CXXFLAGS='-msse4.2'
    STRIP='/usr/bin/strip'
    TARGET_DARWIN_FALSE=''
    TARGET_DARWIN_TRUE='#'
    TARGET_WINDOWS_FALSE=''
    TARGET_WINDOWS_TRUE='#'
    TESTDEFS=' -DBOOST_TEST_DYN_LINK'
    TIFFCP=''
    UIC=''
    UNIVALUE_CFLAGS='-I$(srcdir)/univalue/include'
    UNIVALUE_LIBS='univalue/libunivalue.la'
    USE_ASM_FALSE='#'
    USE_ASM_TRUE=''
    USE_LCOV_FALSE=''
    USE_LCOV_TRUE='#'
    USE_QRCODE=''
    USE_QRCODE_FALSE=''
    USE_QRCODE_TRUE='#'
    USE_UPNP=''
    VERSION='0.20.0rc1'
    WARN_CXXFLAGS=' -Wall -Wextra -Wformat -Wvla -Wswitch -Wformat-security -Wredundant-decls -Wunused-variable -Wdate-time'
    WINDRES=''
    WORDS_BIGENDIAN_FALSE=''
    WORDS_BIGENDIAN_TRUE='#'
    XGETTEXT='/usr/bin/xgettext'
    ZMQ_CFLAGS=''
    ZMQ_LIBS=''
    ac_ct_AR='ar'
    ac_ct_CC='gcc'
    ac_ct_CXX='g++'
    ac_ct_DUMPBIN=''
    ac_ct_OBJCXX=''
    am__EXEEXT_FALSE=''
    am__EXEEXT_TRUE='#'
    am__fastdepCC_FALSE='#'
    am__fastdepCC_TRUE=''
    am__fastdepCXX_FALSE='#'
    am__fastdepCXX_TRUE=''
    am__fastdepOBJCXX_FALSE='#'
    am__fastdepOBJCXX_TRUE=''
    am__include='include'
    am__isrc=''
    am__leading_dot='.'
    am__nodep='_no'
    am__quote=''
    am__tar='$${TAR-tar} chof - "$$tardir"'
    am__untar='$${TAR-tar} xf -'
    ax_pthread_config=''
    bindir='${exec_prefix}/bin'
    build='x86_64-pc-linux-gnu'
    build_alias=''
    build_cpu='x86_64'
    build_os='linux-gnu'
    build_vendor='pc'
    datadir='${datarootdir}'
    datarootdir='${prefix}/share'
    docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
    dvidir='${docdir}'
    exec_prefix='${prefix}'
    host='x86_64-pc-linux-gnu'
    host_alias=''
    host_cpu='x86_64'
    host_os='linux-gnu'
    host_vendor='pc'
    htmldir='${docdir}'
    includedir='${prefix}/include'
    infodir='${datarootdir}/info'
    install_sh='${SHELL} /home/dgabriele/dev/bitcoin/build-aux/install-sh'
    libdir='${exec_prefix}/lib'
    libexecdir='${exec_prefix}/libexec'
    localedir='${datarootdir}/locale'
    localstatedir='${prefix}/var'
    mandir='${datarootdir}/man'
    mkdir_p='$(MKDIR_P)'
    oldincludedir='/usr/include'
    pdfdir='${docdir}'
    prefix='/usr/local'
    program_transform_name='s,x,x,'
    psdir='${docdir}'
    runstatedir='${localstatedir}/run'
    sbindir='${exec_prefix}/sbin'
    sharedstatedir='${prefix}/com'
    subdirs=' src/univalue src/secp256k1'
    sysconfdir='${prefix}/etc'
    target_alias=''
    
    ## ----------- ##
    ## confdefs.h. ##
    ## ----------- ##
    
    /* confdefs.h */
    #define PACKAGE_NAME "Bitcoin Core"
    #define PACKAGE_TARNAME "bitcoin"
    #define PACKAGE_VERSION "0.20.0rc1"
    #define PACKAGE_STRING "Bitcoin Core 0.20.0rc1"
    #define PACKAGE_BUGREPORT "https://github.com/bitcoin/bitcoin/issues"
    #define PACKAGE_URL "https://bitcoincore.org/"
    #define HAVE_CXX11 1
    #define STDC_HEADERS 1
    #define HAVE_SYS_TYPES_H 1
    #define HAVE_SYS_STAT_H 1
    #define HAVE_STDLIB_H 1
    #define HAVE_STRING_H 1
    #define HAVE_MEMORY_H 1
    #define HAVE_STRINGS_H 1
    #define HAVE_INTTYPES_H 1
    #define HAVE_STDINT_H 1
    #define HAVE_UNISTD_H 1
    #define HAVE_DLFCN_H 1
    #define LT_OBJDIR ".libs/"
    #define USE_ASM 1
    #define ENABLE_SSE41 1
    #define ENABLE_AVX2 1
    #define ENABLE_SHANI 1
    #define HAVE_PTHREAD_PRIO_INHERIT 1
    #define HAVE_PTHREAD 1
    #define HAVE_DECL_STRERROR_R 1
    #define HAVE_STRERROR_R 1
    #define STRERROR_R_CHAR_P 1
    #define HAVE_FUNC_ATTRIBUTE_VISIBILITY 1
    #define HAVE_ENDIAN_H 1
    #define HAVE_BYTESWAP_H 1
    #define HAVE_STDIO_H 1
    #define HAVE_STDLIB_H 1
    #define HAVE_UNISTD_H 1
    #define HAVE_STRINGS_H 1
    #define HAVE_SYS_TYPES_H 1
    #define HAVE_SYS_STAT_H 1
    #define HAVE_SYS_SELECT_H 1
    #define HAVE_SYS_PRCTL_H 1
    #define HAVE_SYS_SYSCTL_H 1
    #define HAVE_DECL_GETIFADDRS 1
    #define HAVE_DECL_FREEIFADDRS 1
    #define HAVE_DECL_STRNLEN 1
    #define HAVE_DECL_DAEMON 1
    #define HAVE_DECL_LE16TOH 1
    #define HAVE_DECL_LE32TOH 1
    #define HAVE_DECL_LE64TOH 1
    #define HAVE_DECL_HTOLE16 1
    #define HAVE_DECL_HTOLE32 1
    #define HAVE_DECL_HTOLE64 1
    #define HAVE_DECL_BE16TOH 1
    #define HAVE_DECL_BE32TOH 1
    #define HAVE_DECL_BE64TOH 1
    #define HAVE_DECL_HTOBE16 1
    #define HAVE_DECL_HTOBE32 1
    #define HAVE_DECL_HTOBE64 1
    #define HAVE_DECL_BSWAP_16 1
    #define HAVE_DECL_BSWAP_32 1
    #define HAVE_DECL_BSWAP_64 1
    #define HAVE_DECL___BUILTIN_CLZ 1
    #define HAVE_DECL___BUILTIN_CLZL 1
    #define HAVE_DECL___BUILTIN_CLZLL 1
    #define HAVE_MALLOC_INFO 1
    #define HAVE_MALLOPT_ARENA_MAX 1
    #define HAVE_VISIBILITY_ATTRIBUTE 1
    #define HAVE_THREAD_LOCAL 1
    #define HAVE_GMTIME_R 1
    #define HAVE_SYS_GETRANDOM 1
    #define HAVE_GETENTROPY 1
    #define HAVE_GETENTROPY_RAND 1
    #define HAVE_STD__SYSTEM 1
    #define HAVE_SYSTEM HAVE_STD__SYSTEM || HAVE_WSYSTEM
    #define HAVE_BOOST /**/
    #define HAVE_BOOST_SYSTEM /**/
    #define HAVE_BOOST_FILESYSTEM /**/
    #define HAVE_BOOST_THREAD /**/
    #define HAVE_BOOST_UNIT_TEST_FRAMEWORK /**/
    #define ENABLE_ZMQ 0
    #define HAVE_CONSENSUS_LIB 1
    #define ENABLE_WALLET 1
    #define CLIENT_VERSION_MAJOR 0
    #define CLIENT_VERSION_MINOR 20
    #define CLIENT_VERSION_REVISION 0
    #define CLIENT_VERSION_BUILD 0
    #define CLIENT_VERSION_IS_RELEASE true
    #define COPYRIGHT_YEAR 2020
    #define COPYRIGHT_HOLDERS "The %s developers"
    #define COPYRIGHT_HOLDERS_SUBSTITUTION "Bitcoin Core"
    #define COPYRIGHT_HOLDERS_FINAL "The Bitcoin Core developers"
    
    configure: exit 0
    
  5. MarcoFalke commented at 10:55 AM on April 20, 2020: member

    It appears that you are building against non-4.8 bdb, but link with 4.8 bdb.

    You have the following options:

    • Uninstall all bdb packages that are on your system, then install just one bdb version
    • Pass in appropriate compiler and link flags to select one bdb version
    • Build Bitcoin Core from ./depends
    • Download pre-built binaries of Bitcoin Core from one of the linux package managers.
  6. MarcoFalke commented at 1:25 PM on April 22, 2020: member

    Anything left to do here? Please let us know if the issue persists.

  7. MarcoFalke closed this on Apr 22, 2020

  8. domegabri commented at 1:45 PM on April 22, 2020: none

    I uninstalled bdb packages and reinstalled version 4.8.

    I was than able to compile and run using --without-gui

  9. DrahtBot locked this on Feb 15, 2022

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