Index: head/mail/qmail-mysql/Makefile
===================================================================
--- head/mail/qmail-mysql/Makefile	(revision 508077)
+++ head/mail/qmail-mysql/Makefile	(revision 508078)
@@ -1,23 +1,24 @@
 # Created by: Mario S F Ferreira <lioux@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	qmail
 PORTVERSION=	${QMAIL_VERSION}.${MYSQL_PATCH_VERSION}
 PORTREVISION=	1
 CATEGORIES=	mail
 PKGNAMESUFFIX=	-mysql
 
 COMMENT=	Secure, reliable, and fast MTA for UNIX systems with MySQL support
 
 CONFLICTS=	*qmail-[0-9]* qmail-ldap-[0-9]* qmail-spamcontrol-[0-9]* *qmail-tls-[0-9]*
 
 MYSQL_PATCH_VERSION=	1.1.15
 
 SLAVE_MYSQL=	yes
 
+USES=		compiler:c11
 USE_MYSQL=	yes
 
 MASTERDIR=	${.CURDIR}/../qmail
 DESCR=		${.CURDIR}/pkg-descr
 
 .include "${MASTERDIR}/Makefile"