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-rw-r--r--lib/replace/system/time.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/replace/system/time.h b/lib/replace/system/time.h
index ff26531e45..3605d2692e 100644
--- a/lib/replace/system/time.h
+++ b/lib/replace/system/time.h
@@ -67,9 +67,16 @@ int rep_utimes(const char *filename, const struct timeval tv[2]);
#endif
#ifndef HAVE_CLOCK_GETTIME
+/* CLOCK_REALTIME is required by POSIX */
#define CLOCK_REALTIME 0
typedef int clockid_t;
int rep_clock_gettime(clockid_t clk_id, struct timespec *tp);
#endif
+/* make sure we have a best effort CUSTOM_CLOCK_MONOTONIC we can rely on */
+#ifndef CLOCK_MONOTONIC
+#define CUSTOM_CLOCK_MONOTONIC CLOCK_REALTIME
+#else
+#define CUSTOM_CLOCK_MONOTONIC CLOCK_MONOTONIC
+#endif
#endif