Clang-CXX.cmake 2.0 KB

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  1. include(Compiler/Clang)
  2. __compiler_clang(CXX)
  3. if(NOT "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
  4. set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fvisibility-inlines-hidden")
  5. endif()
  6. cmake_policy(GET CMP0025 appleClangPolicy)
  7. if(APPLE AND NOT appleClangPolicy STREQUAL NEW)
  8. return()
  9. endif()
  10. if(NOT "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
  11. if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 2.1)
  12. set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "-std=c++98")
  13. set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "-std=gnu++98")
  14. endif()
  15. if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.1)
  16. set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++11")
  17. set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++11")
  18. elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 2.1)
  19. set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++0x")
  20. set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++0x")
  21. endif()
  22. if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.5)
  23. set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std=c++14")
  24. set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=gnu++14")
  25. elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.4)
  26. set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std=c++1y")
  27. set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=gnu++1y")
  28. endif()
  29. if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.5)
  30. set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "-std=c++1z")
  31. set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=gnu++1z")
  32. endif()
  33. else()
  34. # clang-cl does not know these options because it behaves like cl.exe
  35. set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "")
  36. set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "")
  37. set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "")
  38. set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "")
  39. set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "")
  40. set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "")
  41. set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "")
  42. set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "")
  43. endif()
  44. if(NOT "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
  45. __compiler_check_default_language_standard(CXX 2.1 98)
  46. else()
  47. set(CMAKE_CXX_STANDARD_DEFAULT "")
  48. endif()