diff options
Diffstat (limited to 'Modules/Compiler/MSVC-C.cmake')
-rw-r--r-- | Modules/Compiler/MSVC-C.cmake | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/Modules/Compiler/MSVC-C.cmake b/Modules/Compiler/MSVC-C.cmake new file mode 100644 index 000000000..20787a399 --- /dev/null +++ b/Modules/Compiler/MSVC-C.cmake @@ -0,0 +1,38 @@ +# MSVC has no specific options to set C language standards, but set them as +# empty strings anyways so the feature test infrastructure can at least check +# to see if they are defined. +set(CMAKE_C90_STANDARD_COMPILE_OPTION "") +set(CMAKE_C90_EXTENSION_COMPILE_OPTION "") +set(CMAKE_C99_STANDARD_COMPILE_OPTION "") +set(CMAKE_C99_EXTENSION_COMPILE_OPTION "") +set(CMAKE_C11_STANDARD_COMPILE_OPTION "") +set(CMAKE_C11_EXTENSION_COMPILE_OPTION "") + +# There is no meaningful default for this +set(CMAKE_C_STANDARD_DEFAULT "") + +# There are no C compiler modes so we hard-code the known compiler supported +# features. Override the default macro for this special case. Pretend that +# all language standards are available so that at least compilation +# can be attempted. +macro(cmake_record_c_compile_features) + list(APPEND CMAKE_C_COMPILE_FEATURES + c_std_90 + c_std_99 + c_std_11 + c_function_prototypes + ) + list(APPEND CMAKE_C90_COMPILE_FEATURES c_std_90 c_function_prototypes) + list(APPEND CMAKE_C99_COMPILE_FEATURES c_std_99) + list(APPEND CMAKE_C11_COMPILE_FEATURES c_std_11) + if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 14.0) + list(APPEND CMAKE_C_COMPILE_FEATURES c_variadic_macros) + list(APPEND CMAKE_C99_COMPILE_FEATURES c_variadic_macros) + endif() + set(_result 0) # expected by cmake_determine_compile_features +endmacro() + +# /JMC "Just My Code" is only supported by MSVC 19.05 onward. +if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 19.05) + set(CMAKE_C_COMPILE_OPTIONS_JMC "-JMC") +endif() |