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build: use mold for linking when available

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This commit is contained in:
Marcus Holland-Moritz 2023-12-12 17:02:33 +01:00
parent eecc01bcbf
commit ce3972f0b4
1 changed files with 10 additions and 0 deletions
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10
CMakeLists.txt
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@ -48,6 +48,7 @@ else()
option(PREFER_SYSTEM_XXHASH "use system xxHash if available" OFF) option(PREFER_SYSTEM_XXHASH "use system xxHash if available" OFF)
option(PREFER_SYSTEM_GTEST "use system gtest if available" OFF) option(PREFER_SYSTEM_GTEST "use system gtest if available" OFF)
option(DISABLE_CCACHE "disable ccache" OFF) option(DISABLE_CCACHE "disable ccache" OFF)
option(DISABLE_MOLD "disable mold" OFF)
option(STATIC_BUILD_DO_NOT_USE "try static build (experimental)" OFF) option(STATIC_BUILD_DO_NOT_USE "try static build (experimental)" OFF)
endif() endif()
@ -71,6 +72,15 @@ if(DEFINED ENV{CCACHE_PREFIX})
add_compile_options(-Wno-gnu-line-marker) add_compile_options(-Wno-gnu-line-marker)
endif() endif()
if(NOT WIN32)
if(NOT DISABLE_MOLD)
find_program(MOLD_EXE mold)
if(MOLD_EXE)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=${MOLD_EXE}")
endif()
endif()
endif()
set(default_build_type "Release") set(default_build_type "Release")
set(CMAKE_CXX_STANDARD 20) set(CMAKE_CXX_STANDARD 20)