fanquake b8d3a682fb Merge bitcoin/bitcoin#24392: build: Fix configuring depends with cmake ... ff4a38a32766942ce5c4be6d6510f800a9f8e0d9 build: Fix configuring depends with cmake (Hennadii Stepanov) Pull request description: This PR fixes bitcoin/bitcoin#24389. On master (28aa0e3ca0a6cfeb5b2b63929d4bc58de6ee6f02) configuring of the `libmultiprocess` package for the `x86_64-w64-mingw32` target fails: ``` $ cd depends $ make libmultiprocess_configured MULTIPROCESS=1 HOST=x86_64-w64-mingw32 Configuring libmultiprocess... CMake Warning: No source or binary directory provided. Both will be assumed to be the same as the current working directory, but note that this warning will become a fatal error in future CMake releases. -- The CXX compiler identification is GNU 9.3.0 -- Check for working CXX compiler: /usr/bin/x86_64-w64-mingw32-g++-posix -- Check for working CXX compiler: /usr/bin/x86_64-w64-mingw32-g++-posix -- broken CMake Error at /usr/share/cmake-3.16/Modules/CMakeTestCXXCompiler.cmake:53 (message): The C++ compiler "/usr/bin/x86_64-w64-mingw32-g++-posix" is not able to compile a simple test program. It fails with the following output: Change Dir: /home/hebasto/GitHub/bitcoin/depends/work/build/x86_64-w64-mingw32/libmultiprocess/d576d975debdc9090bd2582f83f49c76c0061698-f496b1e64cb/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_93273/fast && make[1]: Entering directory '/home/hebasto/GitHub/bitcoin/depends/work/build/x86_64-w64-mingw32/libmultiprocess/d576d975debdc9090bd2582f83f49c76c0061698-f496b1e64cb/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_93273.dir/build.make CMakeFiles/cmTC_93273.dir/build make[2]: Entering directory '/home/hebasto/GitHub/bitcoin/depends/work/build/x86_64-w64-mingw32/libmultiprocess/d576d975debdc9090bd2582f83f49c76c0061698-f496b1e64cb/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_93273.dir/testCXXCompiler.cxx.o /usr/bin/x86_64-w64-mingw32-g++-posix -I/home/hebasto/GitHub/bitcoin/depends/x86_64-w64-mingw32/include -pipe -O2 -o CMakeFiles/cmTC_93273.dir/testCXXCompiler.cxx.o -c /home/hebasto/GitHub/bitcoin/depends/work/build/x86_64-w64-mingw32/libmultiprocess/d576d975debdc9090bd2582f83f49c76c0061698-f496b1e64cb/CMakeFiles/CMakeTmp/testCXXCompiler.cxx Linking CXX executable cmTC_93273 /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_93273.dir/link.txt --verbose=1 /usr/bin/x86_64-w64-mingw32-g++-posix -I/home/hebasto/GitHub/bitcoin/depends/x86_64-w64-mingw32/include -pipe -O2 -L/home/hebasto/GitHub/bitcoin/depends/x86_64-w64-mingw32/lib -rdynamic CMakeFiles/cmTC_93273.dir/testCXXCompiler.cxx.o -o cmTC_93273 x86_64-w64-mingw32-g++-posix: error: unrecognized command line option ‘-rdynamic’ make[2]: *** [CMakeFiles/cmTC_93273.dir/build.make:87: cmTC_93273] Error 1 make[2]: Leaving directory '/home/hebasto/GitHub/bitcoin/depends/work/build/x86_64-w64-mingw32/libmultiprocess/d576d975debdc9090bd2582f83f49c76c0061698-f496b1e64cb/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:121: cmTC_93273/fast] Error 2 make[1]: Leaving directory '/home/hebasto/GitHub/bitcoin/depends/work/build/x86_64-w64-mingw32/libmultiprocess/d576d975debdc9090bd2582f83f49c76c0061698-f496b1e64cb/CMakeFiles/CMakeTmp' CMake will not be able to correctly generate this project. Call Stack (most recent call first): CMakeLists.txt:6 (project) -- Configuring incomplete, errors occurred! See also "/home/hebasto/GitHub/bitcoin/depends/work/build/x86_64-w64-mingw32/libmultiprocess/d576d975debdc9090bd2582f83f49c76c0061698-f496b1e64cb/CMakeFiles/CMakeOutput.log". See also "/home/hebasto/GitHub/bitcoin/depends/work/build/x86_64-w64-mingw32/libmultiprocess/d576d975debdc9090bd2582f83f49c76c0061698-f496b1e64cb/CMakeFiles/CMakeError.log". make: *** [funcs.mk:283: /home/hebasto/GitHub/bitcoin/depends/work/build/x86_64-w64-mingw32/libmultiprocess/d576d975debdc9090bd2582f83f49c76c0061698-f496b1e64cb/./.stamp_configured] Error 1 ``` The reason of that failure is the unset `-DCMAKE_SYSTEM_NAME` flag: ``` $ make print-libmultiprocess_cmake MULTIPROCESS=1 HOST=x86_64-w64-mingw32 libmultiprocess_cmake=env CC="x86_64-w64-mingw32-gcc" CFLAGS=" -I/home/hebasto/GitHub/bitcoin/depends/x86_64-w64-mingw32/include -pipe -O2 " CXX="x86_64-w64-mingw32-g++-posix" CXXFLAGS=" -I/home/hebasto/GitHub/bitcoin/depends/x86_64-w64-mingw32/include -pipe -O2 " LDFLAGS=" -L/home/hebasto/GitHub/bitcoin/depends/x86_64-w64-mingw32/lib " cmake -DCMAKE_INSTALL_PREFIX:PATH="/home/hebasto/GitHub/bitcoin/depends/x86_64-w64-mingw32" -DCMAKE_SYSTEM_NAME= -DCMAKE_C_COMPILER_TARGET=x86_64-w64-mingw32 -DCMAKE_CXX_COMPILER_TARGET=x86_64-w64-mingw32 ``` This PR fixes this error: ``` $ make libmultiprocess_configured MULTIPROCESS=1 HOST=x86_64-w64-mingw32 $ # no errors ``` ACKs for top commit: fanquake: ACK ff4a38a32766942ce5c4be6d6510f800a9f8e0d9 - going to merge this now, and we can follow up with more cmake improvements. Tree-SHA512: bd8d8b2f4eedcc8c46cf995b9c39493ea4d0b13c224f77ef62985304ebd392f05119043a06f1401c64f962007a8faa4bb53715d99a408ee6c33bb49a2dd650ba		2024-01-19 11:02:22 -06:00
..
android.mk	Merge #18677: Multiprocess build support	2024-01-16 09:34:26 -06:00
darwin.mk	Merge #18677: Multiprocess build support	2024-01-16 09:34:26 -06:00
default.mk	merge bitcoin#18820: Propagate well-known vars into depends	2021-08-28 00:42:02 +05:30
freebsd.mk	Merge bitcoin/bitcoin#23955: build: add support for NetBSD in depends	2023-12-26 22:26:21 -06:00
linux.mk	Merge #18677: Multiprocess build support	2024-01-16 09:34:26 -06:00
mingw32.mk	Merge bitcoin/bitcoin#24392: build: Fix configuring depends with cmake	2024-01-19 11:02:22 -06:00
netbsd.mk	Merge bitcoin/bitcoin#23955: build: add support for NetBSD in depends	2023-12-26 22:26:21 -06:00
openbsd.mk	Merge bitcoin/bitcoin#24604: build: fix copypasta in OpenBSD C{XX} flags	2024-01-01 17:48:19 -06:00