2021-12-01 20:37:18 +08:00
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option(ENABLE_USER_LINKER "Enable a specific linker if available" OFF)
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include(CheckCXXCompilerFlag)
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set(USER_LINKER_OPTION
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"lld"
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CACHE STRING "Linker to be used")
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2022-01-03 05:45:54 +08:00
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set(USER_LINKER_OPTION_VALUES "lld" "gold" "bfd" "mold")
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2021-12-01 20:37:18 +08:00
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set_property(CACHE USER_LINKER_OPTION PROPERTY STRINGS ${USER_LINKER_OPTION_VALUES})
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list(
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FIND
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USER_LINKER_OPTION_VALUES
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${USER_LINKER_OPTION}
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USER_LINKER_OPTION_INDEX)
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if(${USER_LINKER_OPTION_INDEX} EQUAL -1)
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message(
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STATUS
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"Using custom linker: '${USER_LINKER_OPTION}', explicitly supported entries are ${USER_LINKER_OPTION_VALUES}")
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endif()
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function(configure_linker project_name)
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if(NOT ENABLE_USER_LINKER)
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return()
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endif()
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set(LINKER_FLAG "-fuse-ld=${USER_LINKER_OPTION}")
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check_cxx_compiler_flag(${LINKER_FLAG} CXX_SUPPORTS_USER_LINKER)
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if(CXX_SUPPORTS_USER_LINKER)
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target_compile_options(${project_name} INTERFACE ${LINKER_FLAG})
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endif()
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endfunction()
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