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Use correct C++11 flag according to the compiler

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victorlevasseur
2015-01-18 16:15:11 +01:00
parent d2b4d678ea
commit 9d75da7c76
1 changed files with 10 additions and 1 deletions
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11
CMakeLists.txt
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@@ -48,7 +48,16 @@ IF (EMSCRIPTEN)
ENDIF()
#Activate C++11
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11")
include(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG("-std=gnu++11" COMPILER_SUPPORTS_CXX11)
CHECK_CXX_COMPILER_FLAG("-std=gnu++0x" COMPILER_SUPPORTS_CXX0X)
if(COMPILER_SUPPORTS_CXX11)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11")
elseif(COMPILER_SUPPORTS_CXX0X)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++0x")
else()
message(FATAL_ERROR "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support (with GNU extensions). Please use a different C++ compiler.")
endif()
#Add all the CMakeLists:
ADD_SUBDIRECTORY(ExtLibs)