Files
CMake/Modules/Compiler/GNU-C.cmake

41 lines
1.3 KiB
CMake

include(Compiler/GNU)
__compiler_gnu(C)
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.5)
set(CMAKE_C90_STANDARD_COMPILE_OPTION "-std=c90")
set(CMAKE_C90_EXTENSION_COMPILE_OPTION "-std=gnu90")
elseif (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.4)
set(CMAKE_C90_STANDARD_COMPILE_OPTION "-std=c89")
set(CMAKE_C90_EXTENSION_COMPILE_OPTION "-std=gnu89")
endif()
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.4)
set(CMAKE_C99_STANDARD_COMPILE_OPTION "-std=c99")
set(CMAKE_C99_EXTENSION_COMPILE_OPTION "-std=gnu99")
endif()
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.7)
set(CMAKE_C11_STANDARD_COMPILE_OPTION "-std=c11")
set(CMAKE_C11_EXTENSION_COMPILE_OPTION "-std=gnu11")
elseif (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.6)
set(CMAKE_C11_STANDARD_COMPILE_OPTION "-std=c1x")
set(CMAKE_C11_EXTENSION_COMPILE_OPTION "-std=gnu1x")
endif()
__compiler_check_default_language_standard(C 3.4 90 5.0 11)
macro(cmake_record_c_compile_features)
set(_result 0)
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.4)
if(_result EQUAL 0 AND CMAKE_C11_STANDARD_COMPILE_OPTION)
_record_compiler_features_c(11)
endif()
if (_result EQUAL 0)
_record_compiler_features_c(99)
endif()
if (_result EQUAL 0)
_record_compiler_features_c(90)
endif()
endif()
endmacro()