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@ -44,11 +44,11 @@ else()
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message(FATAL_ERROR "The compiler ${CMAKE_CXX_COMPILER} has no OpenMP support. Please use a different C++ compiler.") |
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endif() |
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# Link time optimization check |
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set(CMAKE_REQUIRED_FLAGS -flto) |
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CHECK_CXX_COMPILER_FLAG(-flto COMPILER_SUPPORTS_FLTO) |
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set(CMAKE_REQUIRED_FLAGS -flto=auto) |
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CHECK_CXX_COMPILER_FLAG(-flto=auto COMPILER_SUPPORTS_FLTO) |
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if(COMPILER_SUPPORTS_FLTO AND NOT CMAKE_BUILD_TYPE STREQUAL "Debug") |
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set(default_options ${default_options} -flto) |
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set(linker_options ${linker_options} -flto) |
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set(default_options ${default_options} -flto=auto) |
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set(linker_options ${linker_options} -flto=auto) |
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endif() |
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unset(CMAKE_REQUIRED_FLAGS) |
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# Clang can use lto only with gold linker |
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