GNU-CXX.cmake 2.5 KB

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  1. include(Compiler/GNU)
  2. __compiler_gnu(CXX)
  3. if (WIN32)
  4. if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.6)
  5. set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fno-keep-inline-dllexport")
  6. endif()
  7. else()
  8. if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.2)
  9. set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fvisibility-inlines-hidden")
  10. endif()
  11. endif()
  12. if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.4)
  13. # Supported since 4.3
  14. set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "-std=c++98")
  15. set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "-std=gnu++98")
  16. endif()
  17. if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.7)
  18. set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++11")
  19. set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++11")
  20. elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.4)
  21. # 4.3 supports 0x variants
  22. set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++0x")
  23. set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++0x")
  24. endif()
  25. if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9)
  26. set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std=c++14")
  27. set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=gnu++14")
  28. elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
  29. set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std=c++1y")
  30. set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=gnu++1y")
  31. endif()
  32. if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.4)
  33. if (NOT CMAKE_CXX_COMPILER_FORCED)
  34. if (NOT CMAKE_CXX_STANDARD_COMPUTED_DEFAULT)
  35. message(FATAL_ERROR "CMAKE_CXX_STANDARD_COMPUTED_DEFAULT should be set for ${CMAKE_CXX_COMPILER_ID} (${CMAKE_CXX_COMPILER}) version ${CMAKE_CXX_COMPILER_VERSION}")
  36. endif()
  37. set(CMAKE_CXX_STANDARD_DEFAULT ${CMAKE_CXX_STANDARD_COMPUTED_DEFAULT})
  38. elseif(NOT DEFINED CMAKE_CXX_STANDARD_DEFAULT)
  39. # Compiler id was forced so just guess the default standard level.
  40. set(CMAKE_CXX_STANDARD_DEFAULT 98)
  41. endif()
  42. endif()
  43. macro(cmake_record_cxx_compile_features)
  44. macro(_get_gcc_features std_version list)
  45. record_compiler_features(CXX "${std_version}" ${list})
  46. endmacro()
  47. set(_result 0)
  48. if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
  49. _get_gcc_features(${CMAKE_CXX14_STANDARD_COMPILE_OPTION} CMAKE_CXX14_COMPILE_FEATURES)
  50. endif()
  51. if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.4)
  52. if (_result EQUAL 0)
  53. _get_gcc_features(${CMAKE_CXX11_STANDARD_COMPILE_OPTION} CMAKE_CXX11_COMPILE_FEATURES)
  54. endif()
  55. if (_result EQUAL 0)
  56. _get_gcc_features(${CMAKE_CXX98_STANDARD_COMPILE_OPTION} CMAKE_CXX98_COMPILE_FEATURES)
  57. endif()
  58. endif()
  59. endmacro()