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Merge topic 'memorize_msvc_like_compilers_C_support'

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8e4899fd6c CompileFeatures: Record which C features the MSVC compiler supports

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !3226
This commit is contained in:
Brad King
2019-04-17 14:58:18 +00:00
committed by Kitware Robot
parent 0238295c7e 8e4899fd6c
commit 5cd187147e
2 changed files with 10 additions and 3 deletions
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Modules/Compiler/Clang-C.cmake
+3
View File
@@ -23,12 +23,15 @@ if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.4)
# clang-cl doesn't have any of these
set(CMAKE_C90_STANDARD_COMPILE_OPTION "")
set(CMAKE_C90_EXTENSION_COMPILE_OPTION "")
set(CMAKE_C90_STANDARD__HAS_FULL_SUPPORT ON)
set(CMAKE_C99_STANDARD_COMPILE_OPTION "")
set(CMAKE_C99_EXTENSION_COMPILE_OPTION "")
set(CMAKE_C99_STANDARD__HAS_FULL_SUPPORT ON)
set(CMAKE_C11_STANDARD_COMPILE_OPTION "")
set(CMAKE_C11_EXTENSION_COMPILE_OPTION "")
set(CMAKE_C11_STANDARD__HAS_FULL_SUPPORT ON)
endif()
endif()
Modules/Compiler/MSVC-C.cmake
+7 -3
View File
@@ -11,8 +11,8 @@ 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 only need to test features once.
# Override the default macro for this special case. Pretend that
# 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)
@@ -20,6 +20,10 @@ macro(cmake_record_c_compile_features)
c_std_90
c_std_99
c_std_11
c_function_prototypes
c_variadic_macros
)
_record_compiler_features(C "" CMAKE_C_COMPILE_FEATURES)
list(APPEND CMAKE_C90_COMPILE_FEATURES c_std_90 c_function_prototypes)
list(APPEND CMAKE_C99_COMPILE_FEATURES c_std_99 c_variadic_macros)
list(APPEND CMAKE_C11_COMPILE_FEATURES c_std_11)
endmacro()