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PATH: usr / share / cmake / Modules / Compiler

# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.

# This module is shared by multiple languages and compilers; use include guard
if (__COMPILER_CMAKE_COMMON_COMPILER_MACROS)
  return()
endif ()
set(__COMPILER_CMAKE_COMMON_COMPILER_MACROS 1)

# Check that a compiler's language standard is properly detected
# Parameters:
#   lang   - Language to check
#   stdver1 - Minimum version to set a given default for
#   std1    - Default to use for compiler ver >= stdver1
#   stdverN - Minimum version to set a given default for
#   stdN    - Default to use for compiler ver >= stdverN
#
#   The order of stdverN stdN pairs passed as arguments is expected to be in
#   monotonically increasing version order.
#
# Note:
#   This macro can be called with multiple version / std pairs to convey that
#   newer compiler versions may use a newer standard default.
#
# Example:
#   To specify that compiler version 6.1 and newer defaults to C++11 while
#   4.8 <= ver < 6.1 default to C++98, you would call:
#
# __compiler_check_default_language_standard(CXX 4.8 98 6.1 11)
#
macro(__compiler_check_default_language_standard lang stdver1 std1)
  set(__std_ver_pairs "${stdver1};${std1};${ARGN}")
  string(REGEX REPLACE " *; *" " " __std_ver_pairs "${__std_ver_pairs}")
  string(REGEX MATCHALL "[^ ]+ [^ ]+" __std_ver_pairs "${__std_ver_pairs}")

# If the compiler version is below the threshold of even having CMake
  # support for language standards, then don't bother.
  if (CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL "${stdver1}")
    if (NOT CMAKE_${lang}_COMPILER_FORCED)
      if (NOT CMAKE_${lang}_STANDARD_COMPUTED_DEFAULT OR NOT DEFINED CMAKE_${lang}_EXTENSIONS_COMPUTED_DEFAULT)
        message(FATAL_ERROR "CMAKE_${lang}_STANDARD_COMPUTED_DEFAULT and CMAKE_${lang}_EXTENSIONS_COMPUTED_DEFAULT should be set for ${CMAKE_${lang}_COMPILER_ID} (${CMAKE_${lang}_COMPILER}) version ${CMAKE_${lang}_COMPILER_VERSION}")
      endif ()
      set(CMAKE_${lang}_STANDARD_DEFAULT ${CMAKE_${lang}_STANDARD_COMPUTED_DEFAULT})
      set(CMAKE_${lang}_EXTENSIONS_DEFAULT ${CMAKE_${lang}_EXTENSIONS_COMPUTED_DEFAULT})
    else ()
      list(REVERSE __std_ver_pairs)
      foreach (__std_ver_pair IN LISTS __std_ver_pairs)
        string(REGEX MATCH "([^ ]+) (.+)" __std_ver_pair "${__std_ver_pair}")
        set(__stdver ${CMAKE_MATCH_1})
        set(__std ${CMAKE_MATCH_2})
        # Compiler id was forced so just guess the defaults.
        if (CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL __stdver)
          if(NOT DEFINED CMAKE_${lang}_EXTENSIONS_DEFAULT)
            # Currently known compilers default to enabling extensions.
            set(CMAKE_${lang}_EXTENSIONS_DEFAULT ON)
          endif()
          if(NOT DEFINED CMAKE_${lang}_STANDARD_DEFAULT)
            set(CMAKE_${lang}_STANDARD_DEFAULT ${__std})
          endif()
        endif ()
        unset(__std)
        unset(__stdver)
      endforeach ()
    endif ()
  endif ()
  unset(__std_ver_pairs)
endmacro()

# Define to allow compile features to be automatically determined
macro(cmake_record_c_compile_features)
  set(_result 0)
  if(_result EQUAL 0 AND DEFINED CMAKE_C23_STANDARD_COMPILE_OPTION)
    _has_compiler_features_c(23)
  endif()
  if(_result EQUAL 0 AND DEFINED CMAKE_C17_STANDARD_COMPILE_OPTION)
    _has_compiler_features_c(17)
  endif()
  if(_result EQUAL 0 AND DEFINED CMAKE_C11_STANDARD_COMPILE_OPTION)
    if(CMAKE_C11_STANDARD__HAS_FULL_SUPPORT)
      _has_compiler_features_c(11)
    else()
      _record_compiler_features_c(11)
    endif()
    unset(CMAKE_C11_STANDARD__HAS_FULL_SUPPORT)
  endif()
  if(_result EQUAL 0 AND DEFINED CMAKE_C99_STANDARD_COMPILE_OPTION)
    if(CMAKE_C99_STANDARD__HAS_FULL_SUPPORT)
      _has_compiler_features_c(99)
    else()
      _record_compiler_features_c(99)
    endif()
    unset(CMAKE_C99_STANDARD__HAS_FULL_SUPPORT)
  endif()
  if(_result EQUAL 0 AND DEFINED CMAKE_C90_STANDARD_COMPILE_OPTION)
    if(CMAKE_C90_STANDARD__HAS_FULL_SUPPORT)
      _has_compiler_features_c(90)
    else()
      _record_compiler_features_c(90)
    endif()
    unset(CMAKE_C90_STANDARD__HAS_FULL_SUPPORT)
  endif()
endmacro()

# Define to allow compile features to be automatically determined
macro(cmake_record_cxx_compile_features)
  set(_result 0)
  if(_result EQUAL 0 AND DEFINED CMAKE_CXX23_STANDARD_COMPILE_OPTION)
    _has_compiler_features_cxx(23)
  endif()
  if(_result EQUAL 0 AND DEFINED CMAKE_CXX20_STANDARD_COMPILE_OPTION)
    _has_compiler_features_cxx(20)
  endif()
  if(_result EQUAL 0 AND DEFINED CMAKE_CXX17_STANDARD_COMPILE_OPTION)
    _has_compiler_features_cxx(17)
  endif()
  if(_result EQUAL 0 AND DEFINED CMAKE_CXX14_STANDARD_COMPILE_OPTION)
    if(CMAKE_CXX14_STANDARD__HAS_FULL_SUPPORT)
      _has_compiler_features_cxx(14)
    else()
      _record_compiler_features_cxx(14)
    endif()
    unset(CMAKE_CXX14_STANDARD__HAS_FULL_SUPPORT)
  endif()
  if(_result EQUAL 0 AND DEFINED CMAKE_CXX11_STANDARD_COMPILE_OPTION)
    if(CMAKE_CXX11_STANDARD__HAS_FULL_SUPPORT)
      _has_compiler_features_cxx(11)
    else()
      _record_compiler_features_cxx(11)
    endif()
    unset(CMAKE_CXX11_STANDARD__HAS_FULL_SUPPORT)
  endif()
  if(_result EQUAL 0 AND DEFINED CMAKE_CXX98_STANDARD_COMPILE_OPTION)
    if(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT)
      _has_compiler_features_cxx(98)
    else()
      _record_compiler_features_cxx(98)
    endif()
    unset(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT)
  endif()
endmacro()

macro(cmake_record_cuda_compile_features)
  set(_result 0)
  if(_result EQUAL 0 AND DEFINED CMAKE_CUDA23_STANDARD_COMPILE_OPTION)
    _has_compiler_features_cuda(23)
  endif()
  if(_result EQUAL 0 AND DEFINED CMAKE_CUDA20_STANDARD_COMPILE_OPTION)
    _has_compiler_features_cuda(20)
  endif()
  if(_result EQUAL 0 AND DEFINED CMAKE_CUDA17_STANDARD_COMPILE_OPTION)
    _has_compiler_features_cuda(17)
  endif()
  if(_result EQUAL 0 AND DEFINED CMAKE_CUDA14_STANDARD_COMPILE_OPTION)
    if(CMAKE_CUDA14_STANDARD__HAS_FULL_SUPPORT)
      _has_compiler_features_cuda(14)
    else()
      _record_compiler_features_cuda(14)
    endif()
    unset(CMAKE_CUDA14_STANDARD__HAS_FULL_SUPPORT)
  endif()
  if(_result EQUAL 0 AND DEFINED CMAKE_CUDA11_STANDARD_COMPILE_OPTION)
    if(CMAKE_CUDA11_STANDARD__HAS_FULL_SUPPORT)
      _has_compiler_features_cuda(11)
    else()
      _record_compiler_features_cuda(11)
    endif()
    unset(CMAKE_CUDA11_STANDARD__HAS_FULL_SUPPORT)
  endif()
  if(_result EQUAL 0 AND DEFINED CMAKE_CUDA03_STANDARD_COMPILE_OPTION)
    if(CMAKE_CUDA03_STANDARD__HAS_FULL_SUPPORT)
      _has_compiler_features_cuda(03)
    else()
      _record_compiler_features_cuda(03)
    endif()
    unset(CMAKE_CUDA03_STANDARD__HAS_FULL_SUPPORT)
  endif()
endmacro()

macro(cmake_record_hip_compile_features)
  set(_result 0)
  if(_result EQUAL 0 AND DEFINED CMAKE_HIP23_STANDARD_COMPILE_OPTION)
    _has_compiler_features_hip(23)
  endif()
  if(_result EQUAL 0 AND DEFINED CMAKE_HIP20_STANDARD_COMPILE_OPTION)
    _has_compiler_features_hip(20)
  endif()
  if(_result EQUAL 0 AND DEFINED CMAKE_HIP17_STANDARD_COMPILE_OPTION)
    _has_compiler_features_hip(17)
  endif()
  _has_compiler_features_hip(14)
  _has_compiler_features_hip(11)
  _has_compiler_features_hip(98)
endmacro()

[+] ..
[+] XL-Fortran
[-] Compaq-CXX-DetermineCompiler.cmake [edit]
[-] ADSP-DetermineCompiler.cmake [edit]
[-] GNU-OBJCXX.cmake [edit]
[-] ARMCC-ASM.cmake [edit]
[-] GNU.cmake [edit]
[-] ARMCC-C.cmake [edit]
[-] HP-ASM.cmake [edit]
[-] ARMCC-CXX.cmake [edit]
[-] Cray-C.cmake [edit]
[-] Intel-Fortran.cmake [edit]
[-] ARMCC-DetermineCompiler.cmake [edit]
[-] Intel-ISPC.cmake [edit]
[-] ARMCC.cmake [edit]
[-] HP-C-DetermineCompiler.cmake [edit]
[-] ARMClang-ASM.cmake [edit]
[-] Cray-CXX.cmake [edit]
[-] MSVC-C.cmake [edit]
[-] ARMClang-C-FeatureTests.cmake [edit]
[-] HP-C.cmake [edit]
[-] ARMClang-C.cmake [edit]
[-] Cray-Fortran.cmake [edit]
[-] NVHPC.cmake [edit]
[-] ARMClang-CXX-FeatureTests.cmake [edit]
[-] HP-CXX.cmake [edit]
[-] ARMClang-CXX.cmake [edit]
[-] Cray-DetermineCompiler.cmake [edit]
[-] ARMClang-DetermineCompiler.cmake [edit]
[-] HP-Fortran.cmake [edit]
[-] ARMClang.cmake [edit]
[-] GNU-C-FeatureTests.cmake [edit]
[-] Absoft-Fortran.cmake [edit]
[-] GNU-C.cmake [edit]
[-] PGI-C.cmake [edit]
[-] AppleClang-ASM.cmake [edit]
[-] Cray.cmake [edit]
[-] IntelLLVM-ASM.cmake [edit]
[-] AppleClang-C-FeatureTests.cmake [edit]
[-] IAR-ASM.cmake [edit]
[-] AppleClang-C.cmake [edit]
[-] CrayPrgEnv-C.cmake [edit]
[-] PGI.cmake [edit]
[-] AppleClang-CXX-FeatureTests.cmake [edit]
[-] GNU-CXX-DetermineCompiler.cmake [edit]
[-] AppleClang-CXX.cmake [edit]
[-] CrayPrgEnv-CXX.cmake [edit]
[-] QCC-C.cmake [edit]
[-] AppleClang-DetermineCompiler.cmake [edit]
[-] GNU-CXX-FeatureTests.cmake [edit]
[-] AppleClang-OBJC.cmake [edit]
[-] GNU-CXX.cmake [edit]
[-] AppleClang-OBJCXX.cmake [edit]
[-] CrayPrgEnv-Fortran.cmake [edit]
[-] Borland-DetermineCompiler.cmake [edit]
[-] CrayPrgEnv.cmake [edit]
[-] QCC.cmake [edit]
[-] Bruce-C-DetermineCompiler.cmake [edit]
[-] IAR-C.cmake [edit]
[-] Bruce-C.cmake [edit]
[-] IAR-CXX.cmake [edit]
[-] CCur-Fortran.cmake [edit]
[-] GHS-C.cmake [edit]
[-] IntelLLVM-C.cmake [edit]
[-] CMakeCommonCompilerMacros.cmake [edit]
[-] IAR-DetermineCompiler.cmake [edit]
[-] Clang-ASM.cmake [edit]
[-] GNU-FindBinUtils.cmake [edit]
[-] Clang-C-FeatureTests.cmake [edit]
[-] Clang-C.cmake [edit]
[-] IAR.cmake [edit]
[-] Clang-CUDA.cmake [edit]
[-] GHS-CXX.cmake [edit]
[-] SCO-C.cmake [edit]
[-] Clang-CXX-FeatureTests.cmake [edit]
[-] GHS-DetermineCompiler.cmake [edit]
[-] Clang-CXX-TestableFeatures.cmake [edit]
[-] Intel-ASM.cmake [edit]
[-] Clang-CXX.cmake [edit]
[-] GHS.cmake [edit]
[-] IntelLLVM-CXX.cmake [edit]
[-] Clang-DetermineCompiler.cmake [edit]
[-] Compaq-C-DetermineCompiler.cmake [edit]
[-] Clang-DetermineCompilerInternal.cmake [edit]
[-] GNU-Fortran.cmake [edit]
[-] Clang-FindBinUtils.cmake [edit]
[-] Intel-C-FeatureTests.cmake [edit]
[-] Clang-OBJC.cmake [edit]
[-] Intel-C.cmake [edit]
[-] Clang-OBJCXX.cmake [edit]
[-] IntelLLVM.cmake [edit]
[-] Clang.cmake [edit]
[-] GNU-ASM.cmake [edit]
[-] SCO.cmake [edit]
[-] Comeau-CXX-DetermineCompiler.cmake [edit]
[-] Embarcadero-DetermineCompiler.cmake [edit]
[-] GNU-OBJC.cmake [edit]
[-] Flang-FindBinUtils.cmake [edit]
[-] Intel-CXX-FeatureTests.cmake [edit]
[-] Flang-Fortran.cmake [edit]
[-] GNU-C-DetermineCompiler.cmake [edit]
[-] Fujitsu-DetermineCompiler.cmake [edit]
[-] Intel-CXX.cmake [edit]
[-] G95-Fortran.cmake [edit]
[-] MSVC-ASM.cmake [edit]
[-] Intel.cmake [edit]
[-] HP-CXX-DetermineCompiler.cmake [edit]
[-] IBMCPP-C-DetermineVersionInternal.cmake [edit]
[-] IBMCPP-CXX-DetermineVersionInternal.cmake [edit]
[-] Intel-DetermineCompiler.cmake [edit]
[-] TinyCC-C-DetermineCompiler.cmake [edit]
[-] IntelLLVM-DetermineCompiler.cmake [edit]
[-] XL-Fortran.cmake [edit]
[-] OpenWatcom-CXX.cmake [edit]
[-] VisualAge-CXX-DetermineCompiler.cmake [edit]
[-] OpenWatcom-DetermineCompiler.cmake [edit]
[-] OpenWatcom.cmake [edit]
[-] FujitsuClang-C.cmake [edit]
[-] PGI-CXX.cmake [edit]
[-] XL.cmake [edit]
[-] PGI-DetermineCompiler.cmake [edit]
[-] PGI-Fortran.cmake [edit]
[-] FujitsuClang.cmake [edit]
[-] PathScale-C.cmake [edit]
[-] PathScale-CXX.cmake [edit]
[-] VisualAge-CXX.cmake [edit]
[-] PathScale-DetermineCompiler.cmake [edit]
[-] XLClang-C-DetermineCompiler.cmake [edit]
[-] PathScale-Fortran.cmake [edit]
[-] IBMClang-CXX.cmake [edit]
[-] PathScale.cmake [edit]
[-] QCC-ASM.cmake [edit]
[-] XLClang-C.cmake [edit]
[-] QCC-C-FeatureTests.cmake [edit]
[-] XLClang-CXX-DetermineCompiler.cmake [edit]
[-] QCC-CXX-FeatureTests.cmake [edit]
[-] IntelLLVM-FindBinUtils.cmake [edit]
[-] QCC-CXX.cmake [edit]
[-] SCO-CXX.cmake [edit]
[-] XLClang-CXX.cmake [edit]
[-] SCO-DetermineCompiler.cmake [edit]
[-] VisualAge-Fortran.cmake [edit]
[-] SDCC-C-DetermineCompiler.cmake [edit]
[-] LCC-C-FeatureTests.cmake [edit]
[-] SunPro-ASM.cmake [edit]
[-] Watcom-DetermineCompiler.cmake [edit]
[-] SunPro-C-DetermineCompiler.cmake [edit]
[-] XLClang.cmake [edit]
[-] SunPro-C-FeatureTests.cmake [edit]
[-] SunPro-C.cmake [edit]
[-] XL-ASM.cmake [edit]
[-] SunPro-CXX-DetermineCompiler.cmake [edit]
[-] XL-C-DetermineCompiler.cmake [edit]
[-] SunPro-CXX-FeatureTests.cmake [edit]
[-] LCC-CXX-FeatureTests.cmake [edit]
[-] SunPro-CXX.cmake [edit]
[-] zOS-C-DetermineCompiler.cmake [edit]
[-] SunPro-Fortran.cmake [edit]
[-] SunPro.cmake [edit]
[-] LCC-FindBinUtils.cmake [edit]
[-] Tasking-ASM.cmake [edit]
[-] TI-C.cmake [edit]
[-] TI-CXX.cmake [edit]
[-] zOS-CXX-DetermineCompiler.cmake [edit]
[-] TI-DetermineCompiler.cmake [edit]
[-] MSVC.cmake [edit]
[-] TI.cmake [edit]
[-] ADSP.cmake [edit]
[-] FujitsuClang-DetermineCompiler.cmake [edit]
[-] IBMClang-C-DetermineCompiler.cmake [edit]
[-] LCC-C-DetermineCompiler.cmake [edit]
[-] Tasking-CXX.cmake [edit]
[-] Tasking-FindBinUtils.cmake [edit]
[-] XL-C.cmake [edit]
[-] IntelLLVM-Fortran.cmake [edit]
[-] XL-CXX-DetermineCompiler.cmake [edit]
[-] MSVC-C-FeatureTests.cmake [edit]
[-] XL-CXX.cmake [edit]
[-] MSVC-CXX-FeatureTests.cmake [edit]
[-] ADSP-C.cmake [edit]
[-] MSVC-CXX.cmake [edit]
[-] TinyCC-C.cmake [edit]
[-] MSVC-DetermineCompiler.cmake [edit]
[-] ADSP-CXX.cmake [edit]
[-] NAG-Fortran.cmake [edit]
[-] Clang-HIP.cmake [edit]
[-] NVHPC-C.cmake [edit]
[-] Fujitsu-C.cmake [edit]
[-] NVHPC-CXX.cmake [edit]
[-] VisualAge-C-DetermineCompiler.cmake [edit]
[-] NVHPC-DetermineCompiler.cmake [edit]
[-] Fujitsu-CXX.cmake [edit]
[-] NVHPC-Fortran.cmake [edit]
[-] FujitsuClang-CXX.cmake [edit]
[-] NVIDIA-CUDA.cmake [edit]
[-] VisualAge-C.cmake [edit]
[-] NVIDIA-DetermineCompiler.cmake [edit]
[-] Fujitsu-Fortran.cmake [edit]
[-] OpenWatcom-C.cmake [edit]
[-] Fujitsu.cmake [edit]
[-] IBMClang-C.cmake [edit]
[-] IBMClang-ASM.cmake [edit]
[-] IBMClang.cmake [edit]
[-] LLVMFlang-Fortran.cmake [edit]
[-] LCC-C.cmake [edit]
[-] LCC.cmake [edit]
[-] LCC-CXX.cmake [edit]
[-] TI-ASM.cmake [edit]
[-] LCC-Fortran.cmake [edit]
[-] Tasking-C.cmake [edit]
[-] FujitsuClang-FindBinUtils.cmake [edit]
[-] IBMClang-CXX-DetermineCompiler.cmake [edit]
[-] LCC-CXX-DetermineCompiler.cmake [edit]
[-] Tasking-DetermineCompiler.cmake [edit]
[-] Tasking.cmake [edit]