cmake: test and set missed defines during configuration

Added configuration checks for HAVE_BUILTIN_AVAILABLE and HAVE_CLOCK_GETTIME_MONOTONIC.

Closes #3097
This commit is contained in:
dmitrykos 2018-10-04 21:31:23 +03:00 committed by Sergei Nikulov
parent 8a42b769a7
commit 667b5721c7
3 changed files with 25 additions and 0 deletions

View file

@ -549,3 +549,19 @@ main() {
return 0;
}
#endif
#ifdef HAVE_CLOCK_GETTIME_MONOTONIC
#include <time.h>
int
main() {
struct timespec ts = {0, 0};
clock_gettime(CLOCK_MONOTONIC, &ts);
return 0;
}
#endif
#ifdef HAVE_BUILTIN_AVAILABLE
int
main() {
if(__builtin_available(macOS 10.12, *)) {}
return 0;
}
#endif