OilfieldToolsNet/opm-core
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Only add to -std option to C++ flags

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CMAKE_REQUIRED_FLAGS is intended to be added only to the compile for the
next probe, and inside an cmake_push_check_state/cmake_pop_check_state
guard. If we add it to the main flags (CMAKE_CXX_FLAGS), it will also be
added to subsequent checks, so it suffices.
This commit is contained in:
Roland Kaufmann 2012-12-03 15:04:19 +01:00
parent 507c122395
commit 78bb77d863
1 changed files with 0 additions and 2 deletions
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2
cmake/Modules/FindCXX11Features.cmake
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@ -24,14 +24,12 @@ include(AddOptions)
# try to use compiler flag -std=c++11
CHECK_CXX_ACCEPTS_FLAG("-std=c++11" CXX_FLAG_CXX11)
if(CXX_FLAG_CXX11)
add_options (REQUIRED ALL_BUILDS "-std=c++11")
add_options (CXX ALL_BUILDS "-std=c++11")
set(CXX_STD0X_FLAGS "-std=c++11")
else()
# try to use compiler flag -std=c++0x for older compilers
CHECK_CXX_ACCEPTS_FLAG("-std=c++0x" CXX_FLAG_CXX0X)
if(CXX_FLAG_CXX0X)
add_options (REQUIRED ALL_BUILDS "-std=c++0x")
add_options (CXX ALL_BUILDS "-std=c++0x")
set(CXX_STD0X_FLAGS "-std=c++0x")
endif(CXX_FLAG_CXX0X)