depends: remove `FORCE_USE_SYSTEM_CLANG` #30201

pull fanquake wants to merge 8 commits into bitcoin:master from fanquake:remove_force_use_system_clang changing 11 files +17 −108
  1. fanquake commented at 1:40 PM on May 30, 2024: member

    Remove FORCE_USE_SYSTEM_CLANG in favour of always using the system Clang and lld for macOS cross-compilation; rather than downloading precompiled blobs.

    For example, anyone using Ubuntu 24.04 should be able to apt install clang llvm lld .. etc, and then cross-compile for macOS using:

    # clang --version
Ubuntu clang version 18.1.3 (1)
make -C depends HOST=arm64-apple-darwin FORCE_USE_SYSTEM_CLANG=1
./autogen.sh
CONFIG_SITE=/path/to/depends/arm64-apple-darwin/share/config.site ./configure
make
# file src/qt/bitcoin-qt
src/qt/bitcoin-qt: Mach-O 64-bit arm64 executable, flags:<NOUNDEFS|DYLDLINK|TWOLEVEL|WEAK_DEFINES|BINDS_TO_WEAK|PIE|HAS_TLV_DESCRIPTORS>

    Note that the minimum supported version of Clang we will support for macOS cross-compilation will likely be more recent than our other minimum supported version of Clang, due to compiler/linker option usage.

  2. DrahtBot commented at 1:40 PM on May 30, 2024: contributor

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    Conflicts

    Reviewers, this pull request conflicts with the following ones:

    • #29881 (guix: use GCC 13 to builds releases by fanquake)
    • #25391 (guix: Use LTO to build releases by fanquake)

    If you consider this pull request important, please also help to review the conflicting pull requests. Ideally, start with the one that should be merged first.

  3. DrahtBot added the label Build system on May 30, 2024
  4. in depends/README.md:48 in e3e07ac523 outdated 
      44 | @@ -45,7 +45,7 @@ The paths are automatically configured and no other options are needed.
  45 |  
  46 |  #### For macOS cross compilation
  47 |  
  48 | -    sudo apt-get install curl bsdmainutils cmake zip
  49 | +    sudo apt-get install clang cmake curl lld llvm make zip
    maflcko commented at 2:22 PM on May 30, 2024:

    nit: Could make sense which version is "recommended" or "tested". I presume the version used in CI? If so, could refer to that.

    fanquake commented at 4:21 PM on May 30, 2024:

    Yea. Depending on when this lands, we could update this to recommend LLVM 18 (assuming we also switch to 18 in Guix), as that's likely what is going to be used in the CI, if we just apt install clang on Ubuntu 24.04. At a minimum, given we use -fixup_chains, we require at least LLVM 16 or later.

    maflcko commented at 4:37 PM on May 30, 2024:

    Probably best to move everything (CI + guix) at the same time, in the same pull?

    fanquake commented at 4:38 PM on May 30, 2024:

    Yea. If/when it does change, everything will continue to change in lockstep.

  5. DrahtBot added the label CI failed on May 30, 2024
  6. theuni commented at 4:16 PM on May 30, 2024: member

    Concept ACK

  7. fanquake force-pushed on May 30, 2024
  8. DrahtBot removed the label CI failed on May 30, 2024
  9. fanquake referenced this in commit 3ac1465cd9 on May 31, 2024
  10. fanquake force-pushed on May 31, 2024
  11. hebasto commented at 3:21 PM on May 31, 2024: member

    Concept ACK.

  12. fanquake force-pushed on Jun 4, 2024
  13. fanquake referenced this in commit 4116c5f9a3 on Jun 5, 2024
  14. fanquake referenced this in commit c029775519 on Jun 5, 2024
  15. fanquake referenced this in commit 2599655c1f on Jun 5, 2024
  16. fanquake referenced this in commit ab08b28d91 on Jun 6, 2024
  17. fanquake referenced this in commit 2ad6e8efa3 on Jun 8, 2024
  18. fanquake force-pushed on Jun 8, 2024
  19. DrahtBot added the label CI failed on Jun 8, 2024
  20. fanquake force-pushed on Jun 10, 2024
  21. DrahtBot removed the label CI failed on Jun 10, 2024
  22. fanquake marked this as ready for review on Jun 10, 2024
  23. guix: use clang-toolchain-18 for macOS build
    Version is 18.1.6.
    9946618f61
  24. depends: remove FORCE_USE_SYSTEM_CLANG e9a44faf14
  25. depends: remove native LLVM package f9994b025e
  26. depends: no-longer pass -B to clang in macOS cross-compile 9043f12425
  27. depends: remove no-longer used llvm_* vars from macOS build fb74fd66cb
  28. depends: update install docs for macOS cross compilation 9ebdd5e9e0
  29. ci: update deps for macOS cross build
    We are going to use Clang 18, which isn't on Jammy, so bump to Noble.
    d851451705
  30. refactor: rename (macho) ld64 to lld
    Change some references to the macho ld64 to lld, which is now what is
used.
    7cbfd7a7ce
  31. fanquake force-pushed on Jun 10, 2024
  32. fanquake commented at 12:23 PM on June 10, 2024: member

    Added a commit to rename some references to macho ld64 to lld.

  33. Sjors commented at 11:23 AM on June 11, 2024: member

    tACK 7cbfd7a7ce45ac68d6041f42f468862f5c193d8c

    I made a Guix build, as well as a regular cross-compile on Ubuntu 24.04 for Intel macOS, and lightly tested them.

    Guix hashes for darwin:

    048fa3f381098477b8bea25701547f37a6680b33afb9c61ba88cb4a895aae81d  guix-build-7cbfd7a7ce45/output/arm64-apple-darwin/SHA256SUMS.part
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  34. DrahtBot requested review from theuni on Jun 11, 2024
  35. DrahtBot requested review from hebasto on Jun 11, 2024
  36. fanquake commented at 12:59 PM on June 11, 2024: member

    Guix Build (aarch64):

    f8487a885a04a4b3c273b2d1ba3ef5e100026f16b03c08e866dbf4cd468d0802  guix-build-7cbfd7a7ce45/output/aarch64-linux-gnu/SHA256SUMS.part
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480576fb02cc43bcaea583b4975e7609c093c53a16c891e1ab1c75801cd9da18  guix-build-7cbfd7a7ce45/output/x86_64-w64-mingw32/bitcoin-7cbfd7a7ce45-win64-setup-unsigned.exe
ff2e48fb53aca49d3d0fcda480e64cf36f4b8250357c1adeec0abba6b66bb524  guix-build-7cbfd7a7ce45/output/x86_64-w64-mingw32/bitcoin-7cbfd7a7ce45-win64-unsigned.tar.gz
42ca2d89cb6703094ea22bd9a869d833f36f42cbef39ca5c3c7b8503bbe15587  guix-build-7cbfd7a7ce45/output/x86_64-w64-mingw32/bitcoin-7cbfd7a7ce45-win64.zip
  37. theuni approved
  38. theuni commented at 1:30 PM on June 11, 2024: member

    Tested on Ubuntu 22.04 with downloaded llvm 18 binaries in PATH.

    ACK 7cbfd7a7ce45ac68d6041f42f468862f5c193d8c

  39. TheCharlatan approved
  40. TheCharlatan commented at 3:32 PM on June 11, 2024: contributor

    Nice, ACK 7cbfd7a7ce45ac68d6041f42f468862f5c193d8c

    Guix builds (aarch64):

    f8487a885a04a4b3c273b2d1ba3ef5e100026f16b03c08e866dbf4cd468d0802  guix-build-7cbfd7a7ce45/output/aarch64-linux-gnu/SHA256SUMS.part
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d2340b2c084faf01a0db8ea0c077ba9f8c51ef23b680396d88001b33d126788b  guix-build-7cbfd7a7ce45/output/aarch64-linux-gnu/bitcoin-7cbfd7a7ce45-aarch64-linux-gnu.tar.gz
a79f460ac8b4c893ad1cf4aba17489b0dc7834377166d4e9bc4da78bcd84a430  guix-build-7cbfd7a7ce45/output/arm-linux-gnueabihf/SHA256SUMS.part
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2e58229e7f9f22448fda71b0eda9fb4f084edb1a44093e0dadf9a2ab0ab37026  guix-build-7cbfd7a7ce45/output/dist-archive/bitcoin-7cbfd7a7ce45.tar.gz
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90bc2c35c76cce5620fcfeb57f108e02f6be6d7d3ac36c88d9a8f991b9637b7b  guix-build-7cbfd7a7ce45/output/x86_64-apple-darwin/bitcoin-7cbfd7a7ce45-x86_64-apple-darwin.tar.gz
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cd50dfb8d19c5ea62b1069655c5154965703fccfa31bad9c7169b2842a5c5048  guix-build-7cbfd7a7ce45/output/x86_64-linux-gnu/bitcoin-7cbfd7a7ce45-x86_64-linux-gnu-debug.tar.gz
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  41. fanquake merged this on Jun 11, 2024
  42. fanquake closed this on Jun 11, 2024
  43. fanquake deleted the branch on Jun 11, 2024
  44. hebasto added the label Needs CMake port on Jun 30, 2024
  45. hebasto commented at 5:39 PM on June 30, 2024: member

    CI related stuff has to be ported to the CMake staging branch.

  46. hebasto commented at 6:56 AM on July 14, 2024: member

    Ported to the CMake-based build system in https://github.com/hebasto/bitcoin/pull/264.

  47. hebasto removed the label Needs CMake port on Jul 14, 2024
  48. Fabcien referenced this in commit c8b3b3ecce on Dec 2, 2024
  49. roqqit referenced this in commit 58fac0f11f on Dec 19, 2024
  50. kwvg referenced this in commit e0af33ac76 on Dec 31, 2024
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  54. bitcoin locked this on Jul 14, 2025
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fanquakeDrahtBotmaflckotheunihebastoSjorsTheCharlatan


hebasto

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#30198 depends: qt 5.15.14 and fix macOS build with Clang 18#30231 guix: bump time-machine to f0bb724211872cd6158fce6162e0b8c73efed126
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