c11 vs gnu11 drops certain definitions (CLOCK_REALTIME) and function …

…prototypes (#2066) * Resolve with #define _POSIX_C_SOURCE 200809L.
cp2k · Apr 13, 2022 · 42d4634 · 42d4634
1 parent a1dac8c
commit 42d4634
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/dbm/dbm_miniapp.c b/src/dbm/dbm_miniapp.c
@@ -5,6 +5,9 @@
 /*  SPDX-License-Identifier: BSD-3-Clause                                     */
 /*----------------------------------------------------------------------------*/
 
+// needed for struct timespec
+#define _POSIX_C_SOURCE 200809L
+
 #include <assert.h>
 #include <omp.h>
 #include <stdint.h>