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33 lines
1.1 KiB
33 lines
1.1 KiB
if(NOT CMAKE_CROSSCOMPILING) |
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find_program( |
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LD_MOLD_PATH |
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ld |
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PATHS |
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${CMAKE_INSTALL_PREFIX}/libexec/mold |
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ENV LD_MOLD_PATH |
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NO_DEFAULT_PATH |
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) |
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if(NOT LD_MOLD_PATH STREQUAL "LD_MOLD_PATH-NOTFOUND") |
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set(_have_ld_mold ON) |
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else() |
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set(_have_ld_mold OFF) |
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endif() |
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endif() |
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option(USE_LD_MOLD "Use mold linker" ${_have_ld_mold}) |
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if(USE_LD_MOLD) |
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message("-- Using Mold linker (pass -DUSE_LD_MOLD=OFF to disable)") |
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if(CMAKE_CXX_COMPILER_ID MATCHES "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12) |
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if (_have_ld_mold) |
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get_filename_component(_mold_dir ${LD_MOLD_PATH} DIRECTORY) |
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -B${_mold_dir}") |
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -B${_mold_dir}") |
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else() |
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message(WARNING "Cannot use mold linker: mold ld directory not found") |
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endif() |
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elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang|GNU") |
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=mold") |
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -fuse-ld=mold") |
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endif() |
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endif()
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