Fix clobbering of default CMAKE_CXX_FLAGS_RELEASE

BENCHMARK_ENABLE_LTO=true was completely replacing
CMAKE_CXX_FLAGS_RELEASE; meaning neither CMake's release defaults nor
user customizations were being applied.
This commit is contained in:
Billy Robert O'Neal III 2016-04-27 18:47:03 -07:00
parent 60b5921735
commit 9bb1ba6b76

View File

@ -39,10 +39,10 @@ if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
# Link time optimisation
if (BENCHMARK_ENABLE_LTO)
set(CMAKE_CXX_FLAGS_RELEASE "/GL")
set(CMAKE_STATIC_LINKER_FLAGS_RELEASE "/LTCG")
set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "/LTCG")
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "/LTCG")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /GL")
set(CMAKE_STATIC_LINKER_FLAGS_RELEASE "${CMAKE_STATIC_LINKER_FLAGS_RELEASE} /LTCG")
set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /LTCG")
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG")
endif()
else()
# Try and enable C++11. Don't use C++14 because it doesn't work in some