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POWhat CMake variable is used to set C++ Standard Library in XCode?
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  1. POWhat CMake variable is used to set C++ Standard Library in XCode?
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    copied!<p>I have a pure C++11 DLL (No dependencies of any kind) I have been able to compile on Linux and Windows for some time now using CMake to generate the project files and make/MSVC to compile in each respective native system.</p> <p>I want to compile on OSX now and I have been having a lot of problems getting CMake to set the correct project settings in XCode to compile the DLL.</p> <p>Software versions:</p> <pre><code>XCode v5.0 CMake v2.8.12 </code></pre> <p>The relevant CMake script code:</p> <pre><code># Set output directory if Apple OSX: IF(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") message("CMAKE HAS DETECTED A OSX SYSTEM - BUILDING FOR XCODE!") set(CMAKE_XCODE_ATTRIBUTE_GCC_VERSION "com.apple.compilers.llvm.clang.1_0") set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LANGUAGE_STANDARD "c++0x") set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LIBRARY "libc++") set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} -std=c++0x -stdlib=libc++") IF(CMAKE_BUILD_TYPE MATCHES Release) SET(LIBRARY_OUTPUT_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../bin/OSX/Release) ENDIF(CMAKE_BUILD_TYPE MATCHES Release) IF(CMAKE_BUILD_TYPE MATCHES Debug) SET(LIBRARY_OUTPUT_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../bin/OSX/Debug) ENDIF(CMAKE_BUILD_TYPE MATCHES Debug) ENDIF(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") </code></pre> <p>However the settings do not correctly come through into the XCode project file:</p> <p><img src="https://i.stack.imgur.com/nCK2n.png" alt="enter image description here"></p> <p>You can see that the CMake commands make their way into the 'Other C++ Flags' area. But XCode will still fail to compile. However, if I change the 'C++ Standard Library' variable to 'libc++' it will compile fine.</p> <p>Note: I could post the compile error logs however I think that the above correctly identifies the root cause - I just need to know what CMake command actually sets the correct XCode property above.</p>
 

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