Merge pull request #745 from ranisalt/cxx11
Replace deprecated c++11 test with cmake script
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commit
a5f4545168
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@ -157,11 +157,7 @@ if(NOT CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE "RelWithDebInfo")
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endif()
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if(WIN32)
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set(CPP2011_FLAGS "-std=gnu++0x")
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else()
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set(CPP2011_FLAGS "-std=c++0x")
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endif()
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include(FindCXX11)
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# gcc compile flags
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set(WARNS_FLAGS "-Wall -Wextra -Wno-unused-parameter -Wno-unused-variable -Wno-unused-result")
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@ -0,0 +1,26 @@
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if(__FIND_CXX11_CMAKE__)
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return()
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endif()
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set(__FIND_CXX11_CMAKE__ TRUE)
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include(CheckCXXCompilerFlag)
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enable_language(CXX)
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check_cxx_compiler_flag("-std=c++11" COMPILER_KNOWS_CXX11)
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if(COMPILER_KNOWS_CXX11)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
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# Tested on Mac OS X 10.8.2 with XCode 4.6 Command Line Tools
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# Clang requires this to find the correct c++11 headers
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check_cxx_compiler_flag("-stdlib=libc++" COMPILER_KNOWS_STDLIB)
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if(APPLE AND COMPILER_KNOWS_STDLIB)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
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endif()
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else()
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check_cxx_compiler_flag("-std=c++0x" COMPILER_KNOWS_CXX0X)
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if(COMPILER_KNOWS_CXX0X)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
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else()
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message(FATAL_ERROR "Your C++ compiler does not support C++11.")
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endif()
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endif()
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