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Add more LTO flags. 

GitOrigin-RevId: 5061af1cc5078f0626c0f74cf5b672506d371a80
This commit is contained in:
levlam 2018-03-18 00:20:37 +03:00
parent 242c39dc91
commit f270a2ef18
1 changed files with 9 additions and 1 deletions
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10
CMakeLists.txt
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@ -45,8 +45,16 @@ if (POLICY CMP0069)
if (IPO_SUPPORTED)
# set_property(DIRECTORY PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE) do not work?
string(REPLACE ";" " " CXX_FLAGS_IPO "${CMAKE_CXX_COMPILE_OPTIONS_IPO}")
message(STATUS "Use link time optimizations: ${CXX_FLAGS_IPO}")
message(STATUS "Use link time CXX optimization options: ${CXX_FLAGS_IPO}")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${CXX_FLAGS_IPO}")
string(REPLACE ";" " " C_FLAGS_IPO "${CMAKE_C_COMPILE_OPTIONS_IPO}")
message(STATUS "Use link time C optimization options: ${C_FLAGS_IPO}")
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${C_FLAGS_IPO}")
string(REPLACE ";" " " LINK_FLAGS_IPO "${CMAKE_CXX_LINK_OPTIONS_IPO}")
message(STATUS "Use link time optimization linker options: ${LINK_FLAGS_IPO}")
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} ${LINK_FLAGS_IPO}")
endif()
endif()
endif()