From 0edd3ca7780350e672c966387c34a93aad72f09f Mon Sep 17 00:00:00 2001
From: John Polstra <jdp@FreeBSD.org>
Date: Sat, 4 Sep 1999 20:36:27 +0000
Subject: [PATCH] Enable -Wformat checking for debug_printf().

---
 libexec/rtld-elf/debug.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libexec/rtld-elf/debug.h b/libexec/rtld-elf/debug.h
index 8d57ec7930ab..b3563386eaff 100644
--- a/libexec/rtld-elf/debug.h
+++ b/libexec/rtld-elf/debug.h
@@ -36,7 +36,9 @@
 #error "This file must be compiled with GCC"
 #endif
 
-extern void debug_printf(const char *, ...);
+#include <sys/cdefs.h>
+
+extern void debug_printf(const char *, ...) __printflike(1, 2);
 extern int debug;
 
 #ifdef DEBUG