From 7b79e28360e1b62dfbac95fd07d671be12697409 Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Tue, 21 Oct 2014 14:12:01 +0200
Subject: use ISO C11 standard

---
 Makefile         | 2 +-
 cqrlogo.h        | 2 ++
 lib/Makefile     | 2 +-
 lib/libcqrlogo.h | 2 ++
 4 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 542e84e..71027c8 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,7 @@ SED	:= sed
 PNGCHK	:= pngcheck
 ZBARIMG	:= zbarimg
 # flags
-CFLAGS	+= -O2 -Wall -Werror
+CFLAGS	+= -std=c11 -O2 -Wall -Werror
 CFLAGSSTATIC	= $(CFLAGS)
 CFLAGSSTATIC	+= -liniparser
 CFLAGSSTATIC	+= $(shell pkg-config --cflags --libs libpng)
diff --git a/cqrlogo.h b/cqrlogo.h
index 00795b9..430df26 100644
--- a/cqrlogo.h
+++ b/cqrlogo.h
@@ -8,6 +8,8 @@
 #ifndef _CQRLOGO_H
 #define _CQRLOGO_H
 
+#define _GNU_SOURCE
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/lib/Makefile b/lib/Makefile
index 93cd374..d5fb710 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -2,7 +2,7 @@
 
 CC	:= gcc
 LN	:= ln
-CFLAGS	+= -O2 -Wall -Werror
+CFLAGS	+= -std=c11 -O2 -Wall -Werror
 CFLAGS	+= -liniparser
 CFLAGS	+= $(shell pkg-config --cflags --libs libpng)
 CFLAGS	+= $(shell pkg-config --cflags --libs zlib)
diff --git a/lib/libcqrlogo.h b/lib/libcqrlogo.h
index 59ee885..0a8429b 100644
--- a/lib/libcqrlogo.h
+++ b/lib/libcqrlogo.h
@@ -8,6 +8,8 @@
 #ifndef _LIBCQRLOGO_H
 #define _LIBCQRLOGO_H
 
+#define _GNU_SOURCE
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-- 
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