From 652a5bf69dfcc651c0f1e0d1ce30afc2d2253075 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sun, 3 Feb 2008 22:31:25 +0000
Subject: [PATCH] Warn if a comparison is always true or always false due to
 the limited range of the data type. The only new warning this causes (if i
 didnt miss one) is: udp.c:272: warning: comparison of unsigned expression < 0
 is always false which is a real bug

Originally committed as revision 11839 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 configure | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure b/configure
index 8e7bb242e2..f7199793fa 100755
--- a/configure
+++ b/configure
@@ -1786,6 +1786,7 @@ check_cflags -Wredundant-decls
 check_cflags -Wno-pointer-sign
 check_cflags -Wcast-qual
 check_cflags -Wwrite-strings
+check_cflags -Wtype-limits
 enabled extra_warnings && check_cflags -Winline
 
 # add some linker flags