summaryrefslogtreecommitdiffstats
path: root/Tests/RunCMake/MetaCompileFeatures/C.cmake
diff options
context:
space:
mode:
Diffstat (limited to 'Tests/RunCMake/MetaCompileFeatures/C.cmake')
-rw-r--r--Tests/RunCMake/MetaCompileFeatures/C.cmake27
1 files changed, 27 insertions, 0 deletions
diff --git a/Tests/RunCMake/MetaCompileFeatures/C.cmake b/Tests/RunCMake/MetaCompileFeatures/C.cmake
new file mode 100644
index 0000000..3bb6181
--- /dev/null
+++ b/Tests/RunCMake/MetaCompileFeatures/C.cmake
@@ -0,0 +1,27 @@
+
+enable_language(C)
+
+function(check_language_feature_flags lang level)
+ if(CMAKE_${lang}${level}_STANDARD_COMPILE_OPTION)
+ #this property is an internal implementation detail of CMake
+ get_property(known_features GLOBAL PROPERTY CMAKE_${lang}${level}_KNOWN_FEATURES)
+ list(LENGTH known_features len)
+ if(len LESS 1)
+ message(FATAL_ERROR "unable to find known features of ${lang}${level}")
+ endif()
+
+ string(TOLOWER ${lang} lang_lower)
+ set(known_name ${lang_lower}${level}_known_features)
+ set(meta_name ${lang_lower}${level}_meta_feature)
+
+ add_library(${known_name} STATIC a.c)
+ target_compile_features(${known_name} PUBLIC ${known_features})
+ add_library(${meta_name} STATIC a.c)
+ target_compile_features(${meta_name} PUBLIC ${lang_lower}_std_${level})
+ endif()
+endfunction()
+
+
+check_language_feature_flags(C 90)
+check_language_feature_flags(C 99)
+check_language_feature_flags(C 11)