AppleClang-CXX.cmake 2.2 KB

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  1. include(Compiler/Clang)
  2. __compiler_clang(CXX)
  3. if(NOT "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
  4. set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fvisibility-inlines-hidden")
  5. endif()
  6. if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.0)
  7. set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "-std=c++98")
  8. set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "-std=gnu++98")
  9. set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++11")
  10. set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++11")
  11. endif()
  12. if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 6.1)
  13. set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std=c++14")
  14. set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=gnu++14")
  15. elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.1)
  16. # AppleClang 5.0 knows this flag, but does not set a __cplusplus macro greater than 201103L
  17. set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std=c++1y")
  18. set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=gnu++1y")
  19. endif()
  20. if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.0)
  21. if (NOT CMAKE_CXX_COMPILER_FORCED)
  22. if (NOT CMAKE_CXX_STANDARD_COMPUTED_DEFAULT)
  23. message(FATAL_ERROR "CMAKE_CXX_STANDARD_COMPUTED_DEFAULT should be set for ${CMAKE_CXX_COMPILER_ID} (${CMAKE_CXX_COMPILER}) version ${CMAKE_CXX_COMPILER_VERSION}")
  24. endif()
  25. set(CMAKE_CXX_STANDARD_DEFAULT ${CMAKE_CXX_STANDARD_COMPUTED_DEFAULT})
  26. elseif(NOT DEFINED CMAKE_CXX_STANDARD_DEFAULT)
  27. # Compiler id was forced so just guess the default standard level.
  28. set(CMAKE_CXX_STANDARD_DEFAULT 98)
  29. endif()
  30. endif()
  31. macro(cmake_record_cxx_compile_features)
  32. macro(_get_appleclang_features std_version list)
  33. record_compiler_features(CXX "${std_version}" ${list})
  34. endmacro()
  35. set(_result 0)
  36. if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.0)
  37. set(_result 0)
  38. if(CMAKE_CXX14_STANDARD_COMPILE_OPTION)
  39. _get_appleclang_features(${CMAKE_CXX14_STANDARD_COMPILE_OPTION} CMAKE_CXX14_COMPILE_FEATURES)
  40. endif()
  41. if (_result EQUAL 0)
  42. _get_appleclang_features(${CMAKE_CXX11_STANDARD_COMPILE_OPTION} CMAKE_CXX11_COMPILE_FEATURES)
  43. endif()
  44. if (_result EQUAL 0)
  45. _get_appleclang_features(${CMAKE_CXX98_STANDARD_COMPILE_OPTION} CMAKE_CXX98_COMPILE_FEATURES)
  46. endif()
  47. endif()
  48. endmacro()