| include(Compiler/GNU) |
| __compiler_gnu(C) |
| |
| |
| if((NOT DEFINED CMAKE_DEPENDS_USE_COMPILER OR CMAKE_DEPENDS_USE_COMPILER) |
| AND CMAKE_GENERATOR MATCHES "Makefiles|WMake" |
| AND CMAKE_DEPFILE_FLAGS_C) |
| # dependencies are computed by the compiler itself |
| set(CMAKE_C_DEPFILE_FORMAT gcc) |
| set(CMAKE_C_DEPENDS_USE_COMPILER TRUE) |
| endif() |
| |
| set(CMAKE_C_COMPILE_OPTIONS_EXPLICIT_LANGUAGE -x 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_C90_STANDARD__HAS_FULL_SUPPORT ON) |
| set(CMAKE_C99_STANDARD_COMPILE_OPTION "-std=c99") |
| set(CMAKE_C99_EXTENSION_COMPILE_OPTION "-std=gnu99") |
| set(CMAKE_C99_STANDARD__HAS_FULL_SUPPORT ON) |
| 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") |
| set(CMAKE_C11_STANDARD__HAS_FULL_SUPPORT ON) |
| 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() |
| |
| if(CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 8.1) |
| set(CMAKE_C17_STANDARD_COMPILE_OPTION "-std=c17") |
| set(CMAKE_C17_EXTENSION_COMPILE_OPTION "-std=gnu17") |
| endif() |
| |
| if(CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 9.1) |
| set(CMAKE_C23_STANDARD_COMPILE_OPTION "-std=c2x") |
| set(CMAKE_C23_EXTENSION_COMPILE_OPTION "-std=gnu2x") |
| endif() |
| |
| __compiler_check_default_language_standard(C 3.4 90 5.0 11 8.1 17) |