build: WITH_MULTIPROCESS=ON should fail if libmultiprocess is missing #31708

1. 
   fanquake commented at 4:06 pm on January 22, 2025: member

   Currently it warns, and then just fails to properly configure:

    0cmake -B build -DWITH_MULTIPROCESS=ON
    1<snip>
    2CMake Warning at CMakeLists.txt:146 (find_package):
    3  By not providing "FindLibmultiprocess.cmake" in CMAKE_MODULE_PATH this
    4  project has asked CMake to find a package configuration file provided by
    5  "Libmultiprocess", but CMake did not find one.
    6
    7  Could not find a package configuration file provided by "Libmultiprocess"
    8  with any of the following names:
    9
   10    LibmultiprocessConfig.cmake
   11    libmultiprocess-config.cmake
   12
   13  Add the installation prefix of "Libmultiprocess" to CMAKE_PREFIX_PATH or
   14  set "Libmultiprocess_DIR" to a directory containing one of the above files.
   15  If "Libmultiprocess" provides a separate development package or SDK, be
   16  sure it has been installed.
   17
   18
   19-- Could NOT find LibmultiprocessNative (missing: LibmultiprocessNative_DIR)
   20<snip>
   21CMake Error at src/ipc/CMakeLists.txt:12 (target_capnp_sources):
   22  Unknown CMake command "target_capnp_sources".
   23
   24
   25-- Configuring incomplete, errors occurred!
   

2. fanquake added the label Build system on Jan 22, 2025
3. fanquake added this to the milestone 29.0 on Jan 22, 2025
4. fanquake renamed this:
   build: `WITH_MULTIPROCESS=ON` should failure if libmultiprocess is missing
   build: `WITH_MULTIPROCESS=ON` should fail if libmultiprocess is missing
   on Jan 22, 2025
5. fanquake closed this on Jan 23, 2025

   ---

6. fanquake referenced this in commit 449a25b958 on Jan 23, 2025

Contributors
fanquake

Labels
Build system

Milestone
29.0