From aea639e81beb548e3114c74b6d9a894d6e036189 Mon Sep 17 00:00:00 2001
From: Jia Tan <jiat0218@gmail.com>
Date: Wed, 11 Jan 2023 22:46:48 +0800
Subject: [PATCH] xz: Fix warning -Wformat-nonliteral on clang in message.c.

clang and gcc differ in how they handle -Wformat-nonliteral. gcc will
allow a non-literal format string as long as the function takes its
format arguments as a va_list.
---
 src/xz/message.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/xz/message.c b/src/xz/message.c
index 4b577656..c54ebc5b 100644
--- a/src/xz/message.c
+++ b/src/xz/message.c
@@ -723,7 +723,16 @@ vmessage(enum message_verbosity v, const char *fmt, va_list ap)
 		// This is a translatable string because French needs
 		// a space before a colon.
 		fprintf(stderr, _("%s: "), progname);
+
+#ifdef __clang__
+#	pragma GCC diagnostic push
+#	pragma GCC diagnostic ignored "-Wformat-nonliteral"
+#endif
 		vfprintf(stderr, fmt, ap);
+#ifdef __clang__
+#	pragma GCC diagnostic pop
+#endif
+
 		fputc('\n', stderr);
 
 		signals_unblock();