BUILD: time: remove the test on _POSIX_C_SOURCE
It seems it's not defined on FreeBSD while it's mentioned on Linux that
clock_gettime() can be detected using this. Given that we also have the
test for _POSIX_TIMERS>0 that should cover it well enough. If it breaks
on other systems, we'll see.
Report was here :
https://github.com/haproxy/haproxy/runs/133866993
diff --git a/include/common/compat.h b/include/common/compat.h
index 9b97d82..088b2c9 100644
--- a/include/common/compat.h
+++ b/include/common/compat.h
@@ -105,7 +105,7 @@
#endif
/* systems without such defines do not know clockid_t or timer_t */
-#if !(_POSIX_TIMERS > 0) || (_POSIX_C_SOURCE < 199309L)
+#if !(_POSIX_TIMERS > 0)
#undef clockid_t
#define clockid_t empty_t
#undef timer_t