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a10fc754a6
When the Apple linker sees -headerpad_max_install_names and
bitcode is enabled with a flag like -fembed-bitcode, it issues a warning
and ignores the -headerpad_max_install_names flag. This causes
unrelated compiler and linker flag checks to fail for valid flags.
In f745e0497e (CheckCompilerFlags: Catch linker warning about ignored
flags, 2022-01-03), we started detecting linker warnings, which caused
a regression for projects that were setting -fembed-bitcode in their
CMAKE_CXX_FLAGS or similar. Prevent that regression by removing
the -headerpad_max_install_names linker flag when we know it will
warn and be ignored anyway.
Fixes: #23390
Issue: #23408
33 lines
588 B
CMake
33 lines
588 B
CMake
include(RunCMake)
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run_cmake(NotEnabledLanguage)
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run_cmake(NonExistentLanguage)
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run_cmake(CheckCCompilerFlag)
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run_cmake(CheckCXXCompilerFlag)
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if (APPLE)
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run_cmake(CheckOBJCCompilerFlag)
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run_cmake(CheckOBJCXXCompilerFlag)
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endif()
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if (CMAKE_Fortran_COMPILER_ID)
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run_cmake(CheckFortranCompilerFlag)
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endif()
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if (CMake_TEST_CUDA)
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run_cmake(CheckCUDACompilerFlag)
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endif()
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if(CMake_TEST_ISPC)
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run_cmake(CheckISPCCompilerFlag)
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endif()
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if(CMake_TEST_HIP)
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run_cmake(CheckHIPCompilerFlag)
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endif()
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if(APPLE)
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run_cmake_with_options(HeaderpadWorkaround --debug-trycompile)
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endif()
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