From: Roy Marples <roy@marples.name>
Date: Tue, 19 Feb 2008 17:35:31 +0000 (+0000)
Subject: Linux-2.6.23 finally supports -std=c99 for asm/types.h, included by headers we include.
X-Git-Tag: v3.2.3~27
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f6038d23e4a5f29aa481632a9d3868089a541e5a;p=thirdparty%2Fdhcpcd.git

Linux-2.6.23 finally supports -std=c99 for asm/types.h, included by headers we include.
---

diff --git a/mk/cc.mk b/mk/cc.mk
index 225b1104..4fcdcfcb 100644
--- a/mk/cc.mk
+++ b/mk/cc.mk
@@ -1,9 +1,14 @@
 # Copyright 2008 Roy Marples <roy@marples.name>
 
 # Setup some good default CFLAGS
-
 CFLAGS?=	-O2 -pipe
 
+# Default to using the C99 standard
+CSTD?=		c99
+_CSTD_SH=	if test -n "${CSTD}"; then echo "-std=${CSTD}"; else echo ""; fi
+_CSTD!=		${_CSTD_SH}
+CFLAGS+=	${_CSTD}$(shell _CSTD_SH)
+
 # GNU Make way of detecting gcc flags we can use
 check_gcc=$(shell if ${CC} $(1) -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \
 	then echo "$(1)"; else echo "$(2)"; fi)