From b9fecbe1c6e24be29ff510d7128763b900147416 Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Fri, 27 Sep 2013 13:13:15 +0200
Subject: configure.ac: add -fsigned-char to make sure char is signed

on systems like the Raspberry Pi char is unsigned by default but our
code expects char to be signed. So we should be good with -fsigned-char
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 77ac1c2..5711659 100644
--- a/configure.ac
+++ b/configure.ac
@@ -188,7 +188,7 @@ else
 	building_debug_code=yes
 fi
 
-AS_COMPILER_FLAGS(GLOBAL_CFLAGS, "-Wall -Wextra -Wmissing-declarations -Wredundant-decls -Wshadow -Wpointer-arith  -Wwrite-strings -Wswitch-default -Wno-unused-parameter")
+AS_COMPILER_FLAGS(GLOBAL_CFLAGS, "-Wall -Wextra -Wmissing-declarations -Wredundant-decls -Wshadow -Wpointer-arith  -Wwrite-strings -Wswitch-default -Wno-unused-parameter -fsigned-char")
 AC_SUBST(GLOBAL_CFLAGS)
 
 # check for large file support
-- 
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