>From bb76778ad3fff59ea851b30386586aa688cfb1fa Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@clisp.org>
Date: Sun, 22 Jan 2023 23:22:41 +0100
Subject: [PATCH] Fix a compilation error on a glibc system with clang 15.

* jitter/jitter-missing.h (flockfile, funlockfile): Don't declare these
functions if we are not implementing them in jitter-missing.c.
---
 jitter/jitter-missing.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/jitter/jitter-missing.h b/jitter/jitter-missing.h
index 5de8115..024b6c6 100644
--- a/jitter/jitter-missing.h
+++ b/jitter/jitter-missing.h
@@ -125,6 +125,8 @@
    implementation in jitter-missing.c is disabled by a CPP conditional if
    the system is found to have a real implementation at configure time. */
 
+#if ! defined (JITTER_HAVE_FLOCKFILE)
+
 /* Do nothing. */
 void
 flockfile ()
@@ -135,4 +137,6 @@ void
 funlockfile ()
   __attribute__ ((nonnull (1)));
 
+#endif /* #if ! defined (JITTER_HAVE_FLOCKFILE) */
+
 #endif // #ifndef JITTER_MISSING_H_
-- 
2.34.1