Improve format string handling to allow building with clang.


(joerg)

$NetBSD: patch-libbrasero-media_brasero-media-private.h,v 1.1 2020/01/10 21:18:21 joerg Exp $

--- libbrasero-media/brasero-media-private.h.orig	2020-01-08 23:19:51.813099961 +0000
+++ libbrasero-media/brasero-media-private.h
@@ -64,7 +64,7 @@ brasero_media_to_string (BraseroMedia me
 void
 brasero_media_message (const gchar *location,
 		       const gchar *format,
-		       ...);
+		       ...) G_GNUC_PRINTF(2,3);
 
 G_END_DECLS
 

$NetBSD: patch-libbrasero-media_brasero-media.c,v 1.1 2020/01/10 21:18:21 joerg Exp $

Format string is prefixed.

--- libbrasero-media/brasero-media.c.orig	2020-01-08 23:19:00.665788197 +0000
+++ libbrasero-media/brasero-media.c
@@ -482,6 +482,9 @@ brasero_media_get_option_group (void)
 	return group;
 }
 
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wformat-nonliteral"
+
 void
 brasero_media_message (const gchar *location,
 		       const gchar *format,
@@ -504,6 +507,8 @@ brasero_media_message (const gchar *loca
 	g_free (format_real);
 }
 
+#pragma GCC diagnostic pop
+
 #include <gtk/gtk.h>
 
 #include "brasero-medium-monitor.h"

$NetBSD: patch-libbrasero-utils_brasero-misc.c,v 1.1 2020/01/10 21:18:21 joerg Exp $

Format string is prefixed.

--- libbrasero-utils/brasero-misc.c.orig	2020-01-08 23:06:39.255722394 +0000
+++ libbrasero-utils/brasero-misc.c
@@ -96,6 +96,9 @@ brasero_utils_get_option_group (void)
 	return group;
 }
 
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wformat-nonliteral"
+
 void
 brasero_utils_debug_message (const gchar *location,
 			     const gchar *format,
@@ -117,6 +120,7 @@ brasero_utils_debug_message (const gchar
 
 	g_free (format_real);
 }
+#pragma GCC diagnostic pop
 
 static gboolean
 brasero_utils_clear_strings_cb (gchar *string,

$NetBSD: patch-libbrasero-utils_brasero-misc.h,v 1.1 2020/01/10 21:18:21 joerg Exp $

--- libbrasero-utils/brasero-misc.h.orig	2020-01-08 23:07:33.551904733 +0000
+++ libbrasero-utils/brasero-misc.h
@@ -55,7 +55,7 @@ brasero_utils_set_use_debug (gboolean ac
 void
 brasero_utils_debug_message (const gchar *location,
 			     const gchar *format,
-			     ...);
+			     ...) G_GNUC_PRINTF(2,3);
 
 #define BRASERO_UTILS_LOG(format, ...)						\
 	brasero_utils_debug_message (G_STRLOC,					\