[llvm-dev] CMakeTestCCompiler fails (original) (raw)
Itaru Kitayama via llvm-dev llvm-dev at lists.llvm.org
Mon Feb 3 16:33:01 PST 2020
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Trunk clang does not pass CMake C Compiler test like below:
CMake Error at /home/usr4/c74014i/opt/cmake-3.16.3-Linux-x86_64/share/cmake-3.16/Modules/CMakeTestCCompiler.cmake:60 (message): The C compiler
"/home/usr4/c74014i/opt/clang/current/bin/clang"is not able to compile a simple test program.
It fails with the following output:
Change Dir:/home/usr4/c74014i/work/build/202002040929/CMakeFiles/CMakeTmp
Run Build Command(s):/home/usr4/c74014i/opt/ninja/bin/ninja cmTC_35cb3&& [1/2] Building C object CMakeFiles/cmTC_35cb3.dir/testCCompiler.c.o [2/2] Linking C executable cmTC_35cb3 FAILED: cmTC_35cb3 : && /home/usr4/c74014i/opt/clang/current/bin/clang CMakeFiles/cmTC_35cb3.dir/testCCompiler.c.o -o cmTC_35cb3 && : /usr/bin/ld: cannot find crtbegin.o: No such file or directory /usr/bin/ld: cannot find -lgcc /usr/bin/ld: cannot find -lgcc_s clang-11: error: linker command failed with exit code 1 (use -v to see invocation) ninja: build stopped: subcommand failed.
CMake will not be able to correctly generate this project. Call Stack (most recent call first): CMakeLists.txt:49 (project)
My configuration is shown below: cmake -G Ninja -DBUILD_SHARED_LIBS=ON -DLLVM_PARALLEL_LINK_JOBS=2 -DLLVM_ENABLE_LLD=ON -DLLVM_ENABLE_LIBCXX=OFF -DCMAKE_BUILD_TYPE=Release -DGCC_INSTALL_PREFIX=/pathto/gcc-7.5.0/ -DLIBOMPTARGET_ENABLE_DEBUG=ON -DCMAKE_INSTALL_PREFIX=$HOME/opt/clang/${today} -DCMAKE_C_COMPILER=clang -DCMAKE_C_FLAGS="" -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_CXX_FLAGS="" -DLLVM_ENABLE_PROJECTS="clang;openmp;lld;libcxx;libcxxabi" -DCLANG_OPENMP_NVPTX_DEFAULT_ARCH=sm_60 -DLIBOMPTARGET_NVPTX_COMPUTE_CAPABILITIES=60 -DLLVM_TARGETS_TO_BUILD=all $HOME/projects/llvm-project/llvm -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20200204/d6fd825e/attachment.html>
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