Modules/CMakeCXXCompilerId.cpp.in

   1 /* This source file must have a .cpp extension so that all C++ compilers
   2    recognize the extension without flags.  Borland does not know .cxx for
   3    example.  */
   4 #ifndef __cplusplus
   5 # error "A C compiler has been selected for C++."
   6 #endif
   7
   8 #if !defined(__has_include)
   9 /* If the compiler does not have __has_include, pretend the answer is
  10    always no.  */
  11 #  define __has_include(x) 0
  12 #endif
  13
  14 @CMAKE_CXX_COMPILER_ID_CONTENT@
  15
  16 /* Construct the string literal in pieces to prevent the source from
  17    getting matched.  Store it in a pointer rather than an array
  18    because some compilers will just produce instructions to fill the
  19    array rather than assigning a pointer to a static array.  */
  20 char const* info_compiler = "INFO" ":" "compiler[" COMPILER_ID "]";
  21 #ifdef SIMULATE_ID
  22 char const* info_simulate = "INFO" ":" "simulate[" SIMULATE_ID "]";
  23 #endif
  24
  25 #ifdef __QNXNTO__
  26 char const* qnxnto = "INFO" ":" "qnxnto[]";
  27 #endif
  28
  29 #if defined(__CRAYXT_COMPUTE_LINUX_TARGET)
  30 char const *info_cray = "INFO" ":" "compiler_wrapper[CrayPrgEnv]";
  31 #endif
  32
  33 @CMAKE_CXX_COMPILER_ID_PLATFORM_CONTENT@
  34 @CMAKE_CXX_COMPILER_ID_ERROR_FOR_TEST@
  35
  36 #define CXX_STD_98 199711L
  37 #define CXX_STD_11 201103L
  38 #define CXX_STD_14 201402L
  39 #define CXX_STD_17 201703L
  40 #define CXX_STD_20 202002L
  41 #define CXX_STD_23 202302L
  42
  43 #if defined(__INTEL_COMPILER) && defined(_MSVC_LANG)
  44 #  if _MSVC_LANG > CXX_STD_17
  45 #    define CXX_STD _MSVC_LANG
  46 #  elif _MSVC_LANG == CXX_STD_17 && defined(__cpp_aggregate_paren_init)
  47 #    define CXX_STD CXX_STD_20
  48 #  elif _MSVC_LANG > CXX_STD_14 && __cplusplus > CXX_STD_17
  49 #    define CXX_STD CXX_STD_20
  50 #  elif _MSVC_LANG > CXX_STD_14
  51 #    define CXX_STD CXX_STD_17
  52 #  elif defined(__INTEL_CXX11_MODE__) && defined(__cpp_aggregate_nsdmi)
  53 #    define CXX_STD CXX_STD_14
  54 #  elif defined(__INTEL_CXX11_MODE__)
  55 #    define CXX_STD CXX_STD_11
  56 #  else
  57 #    define CXX_STD CXX_STD_98
  58 #  endif
  59 #elif defined(_MSC_VER) && defined(_MSVC_LANG)
  60 #  if _MSVC_LANG > __cplusplus
  61 #    define CXX_STD _MSVC_LANG
  62 #  else
  63 #    define CXX_STD __cplusplus
  64 #  endif
  65 #elif defined(__NVCOMPILER)
  66 #  if __cplusplus == CXX_STD_17 && defined(__cpp_aggregate_paren_init)
  67 #    define CXX_STD CXX_STD_20
  68 #  else
  69 #    define CXX_STD __cplusplus
  70 #  endif
  71 #elif defined(__INTEL_COMPILER) || defined(__PGI)
  72 #  if __cplusplus == CXX_STD_11 && defined(__cpp_namespace_attributes)
  73 #    define CXX_STD CXX_STD_17
  74 #  elif __cplusplus == CXX_STD_11 && defined(__cpp_aggregate_nsdmi)
  75 #    define CXX_STD CXX_STD_14
  76 #  else
  77 #    define CXX_STD __cplusplus
  78 #  endif
  79 #elif (defined(__IBMCPP__) || defined(__ibmxl__)) && defined(__linux__)
  80 #  if __cplusplus == CXX_STD_11 && defined(__cpp_aggregate_nsdmi)
  81 #    define CXX_STD CXX_STD_14
  82 #  else
  83 #    define CXX_STD __cplusplus
  84 #  endif
  85 #elif __cplusplus == 1 && defined(__GXX_EXPERIMENTAL_CXX0X__)
  86 #  define CXX_STD CXX_STD_11
  87 #else
  88 #  define CXX_STD __cplusplus
  89 #endif
  90
  91 const char* info_language_standard_default = "INFO" ":" "standard_default["
  92 #if CXX_STD > CXX_STD_20
  93   "23"
  94 #elif CXX_STD > CXX_STD_17
  95   "20"
  96 #elif CXX_STD > CXX_STD_14
  97   "17"
  98 #elif CXX_STD > CXX_STD_11
  99   "14"
 100 #elif CXX_STD >= CXX_STD_11
 101   "11"
 102 #else
 103   "98"
 104 #endif
 105 "]";
 106
 107 const char* info_language_extensions_default = "INFO" ":" "extensions_default["
 108 #if (defined(__clang__) || defined(__GNUC__) || defined(__xlC__) ||           \
 109      defined(__TI_COMPILER_VERSION__)) &&                                     \
 110   !defined(__STRICT_ANSI__)
 111   "ON"
 112 #else
 113   "OFF"
 114 #endif
 115 "]";
 116
 117 /*--------------------------------------------------------------------------*/
 118
 119 int main(int argc, char* argv[])
 120 {
 121   int require = 0;
 122   require += info_compiler[argc];
 123   require += info_platform[argc];
 124   require += info_arch[argc];
 125 #ifdef COMPILER_VERSION_MAJOR
 126   require += info_version[argc];
 127 #endif
 128 #ifdef COMPILER_VERSION_INTERNAL
 129   require += info_version_internal[argc];
 130 #endif
 131 #ifdef SIMULATE_ID
 132   require += info_simulate[argc];
 133 #endif
 134 #ifdef SIMULATE_VERSION_MAJOR
 135   require += info_simulate_version[argc];
 136 #endif
 137 #if defined(__CRAYXT_COMPUTE_LINUX_TARGET)
 138   require += info_cray[argc];
 139 #endif
 140   require += info_language_standard_default[argc];
 141   require += info_language_extensions_default[argc];
 142   (void)argv;
 143   return require;
 144 }