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Add an option for build profiling

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Alexey Milovidov 2022-04-16 02:54:21 +02:00 committed by alesapin
parent ee3e366356
commit fec7a74f68
1 changed files with 9 additions and 0 deletions
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9
CMakeLists.txt
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@ -314,6 +314,15 @@ if (ENABLE_BUILD_PATH_MAPPING)
set (CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -ffile-prefix-map=${CMAKE_SOURCE_DIR}=.")
endif ()
option (ENABLE_BUILD_PROFILING "Enable profiling of build time" OFF)
if (ENABLE_BUILD_PROFILING)
if (COMPILER_CLANG)
set (COMPILER_FLAGS "${COMPILER_FLAGS} -ftime-trace")
else ()
message (${RECONFIGURE_MESSAGE_LEVEL} "Build profiling is only available with CLang")
endif ()
endif ()
if (${CMAKE_VERSION} VERSION_LESS "3.12.4")
# CMake < 3.12 doesn't support setting 20 as a C++ standard version.
# We will add C++ standard controlling flag in CMAKE_CXX_FLAGS manually for now.