aboutsummaryrefslogtreecommitdiff
path: root/ConfigureChecks.cmake
diff options
context:
space:
mode:
Diffstat (limited to 'ConfigureChecks.cmake')
-rw-r--r--ConfigureChecks.cmake27
1 files changed, 27 insertions, 0 deletions
diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index f5645807..3e497dcb 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -243,6 +243,33 @@ int main(void) {
}" HAVE_MSC_THREAD_LOCAL_STORAGE)
check_c_source_compiles("
+#define FALL_THROUGH __attribute__((fallthrough))
+
+enum direction_e {
+ UP = 0,
+ DOWN,
+};
+
+int main(void) {
+ enum direction_e key = UP;
+ int i = 10;
+ int j = 0;
+
+ switch (key) {
+ case UP:
+ i = 5;
+ FALL_THROUGH;
+ case DOWN:
+ j = i * 2;
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}" HAVE_FALLTHROUGH_ATTRIBUTE)
+
+check_c_source_compiles("
#include <string.h>
int main(void)