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41 lines
1.4 KiB
41 lines
1.4 KiB
set(CMake_CXX14_BROKEN 0)
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if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|LCC|Clang|PGI|Intel")
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if(NOT CMAKE_CXX14_STANDARD_COMPILE_OPTION)
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set(CMake_CXX14_WORKS 0)
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endif()
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if(NOT DEFINED CMake_CXX14_WORKS)
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include(${CMAKE_CURRENT_LIST_DIR}/cm_message_checks_compat.cmake)
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cm_message_checks_compat(
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"Checking if compiler supports needed C++14 constructs"
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__checkStart __checkPass __checkFail)
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message(${__checkStart})
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try_compile(CMake_CXX14_WORKS
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${CMAKE_CURRENT_BINARY_DIR}
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${CMAKE_CURRENT_LIST_DIR}/cm_cxx14_check.cpp
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CMAKE_FLAGS -DCMAKE_CXX_STANDARD=14
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OUTPUT_VARIABLE OUTPUT
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)
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if(CMake_CXX14_WORKS AND "${OUTPUT}" MATCHES "error: no member named.*gets.*in the global namespace")
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set_property(CACHE CMake_CXX14_WORKS PROPERTY VALUE 0)
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endif()
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if(CMake_CXX14_WORKS)
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message(${__checkPass} "yes")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Determining if compiler supports needed C++14 constructs passed with the following output:\n"
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"${OUTPUT}\n"
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"\n"
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)
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else()
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message(${__checkFail} "no")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Determining if compiler supports needed C++14 constructs failed with the following output:\n"
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"${OUTPUT}\n"
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"\n"
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)
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endif()
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endif()
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if(NOT CMake_CXX14_WORKS)
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set(CMake_CXX14_BROKEN 1)
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endif()
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endif()
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