42 lines
1.3 KiB
CMake
42 lines
1.3 KiB
CMake
include(Compiler/GNU)
|
|
__compiler_gnu(C)
|
|
|
|
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.4)
|
|
set(CMAKE_C90_STANDARD_COMPILE_OPTION "-std=c90")
|
|
set(CMAKE_C90_EXTENSION_COMPILE_OPTION "-std=gnu90")
|
|
|
|
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 4.4)
|
|
set(CMAKE_C11_STANDARD_COMPILE_OPTION "-std=c1x")
|
|
set(CMAKE_C11_EXTENSION_COMPILE_OPTION "-std=gnu1x")
|
|
endif()
|
|
|
|
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0)
|
|
set(CMAKE_C_STANDARD_DEFAULT 11)
|
|
else()
|
|
set(CMAKE_C_STANDARD_DEFAULT 90)
|
|
endif()
|
|
|
|
macro(cmake_record_c_compile_features)
|
|
macro(_get_gcc_features std_version list)
|
|
record_compiler_features(C "${std_version}" ${list})
|
|
endmacro()
|
|
|
|
set(_result 0)
|
|
if (UNIX AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.4)
|
|
_get_gcc_features(${CMAKE_C11_STANDARD_COMPILE_OPTION} CMAKE_C11_COMPILE_FEATURES)
|
|
if (_result EQUAL 0)
|
|
_get_gcc_features(${CMAKE_C99_STANDARD_COMPILE_OPTION} CMAKE_C99_COMPILE_FEATURES)
|
|
endif()
|
|
if (_result EQUAL 0)
|
|
_get_gcc_features(${CMAKE_C90_STANDARD_COMPILE_OPTION} CMAKE_C90_COMPILE_FEATURES)
|
|
endif()
|
|
endif()
|
|
endmacro()
|