From 9f9aa69d4412b99a1c72008210179b2cd4e9f4ae Mon Sep 17 00:00:00 2001
From: des <des@FreeBSD.org>
Date: Wed, 13 Sep 2006 08:40:40 +0000
Subject: [PATCH] MFC: CSTD support

Approved by:	re (kensmith)
---
 share/mk/bsd.sys.mk | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/share/mk/bsd.sys.mk b/share/mk/bsd.sys.mk
index 5c840cd8b4b5..bf5d8d9a85b0 100644
--- a/share/mk/bsd.sys.mk
+++ b/share/mk/bsd.sys.mk
@@ -9,6 +9,21 @@
 # for GCC:  http://gcc.gnu.org/onlinedocs/gcc-3.0.4/gcc_3.html#IDX143
 
 .if !defined(NO_WARNS) && ${CC} != "icc"
+. if defined(CSTD)
+.  if ${CSTD} == "k&r"
+CFLAGS		+= -traditional
+.  elif ${CSTD} == "c89" || ${CSTD} == "c90"
+CFLAGS		+= -std=iso9899:1990
+.  elif ${CSTD} == "c94" || ${CSTD} == "c95"
+CFLAGS		+= -std=iso9899:199409
+.  elif ${CSTD} == "c99"
+CFLAGS		+= -std=iso9899:1999
+.  else
+CFLAGS		+= -std=${CSTD}
+.  endif
+# -pedantic is problematic because it also imposes namespace restrictions
+#CFLAGS		+= -pedantic
+. endif
 . if defined(WARNS)
 .  if ${WARNS} >= 1
 CWARNFLAGS	+=	-Wsystem-headers