Index: head/ftp/bftpd/Makefile
===================================================================
--- head/ftp/bftpd/Makefile	(revision 546670)
+++ head/ftp/bftpd/Makefile	(revision 546671)
@@ -1,39 +1,41 @@
 # Created by: will
 # $FreeBSD$
 
 PORTNAME=	bftpd
 PORTVERSION=	5.6
 CATEGORIES=	ftp
 MASTER_SITES=	SF/${PORTNAME}/${PORTNAME}/${PORTNAME}-${PORTVERSION}
 
 MAINTAINER=	danilo@FreeBSD.org
 COMMENT=	Very configurable FTP server that can do chroot easily
 
 LICENSE=	GPLv2
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--enable-pam
+# Fix build with clang 11
+CFLAGS+=	-fcommon
 
 USES=		autoreconf gmake
 
 WRKSRC=	${WRKDIR}/${PORTNAME}
 
 PLIST_FILES=	sbin/${PORTNAME} etc/${PORTNAME}.conf.sample \
 		man/man8/bftpd.8.gz
 PORTDOCS=	en pl sk
 
 OPTIONS_DEFINE=	DOCS
 
 post-patch:
 	@${REINPLACE_CMD} -e 's,/etc/bftpd.conf,${PREFIX}/etc/bftpd.conf,' \
 		${WRKSRC}/mypaths.h
 	@${REINPLACE_CMD} -e 's, -ldl,,g' ${WRKSRC}/configure.in
 	@${FIND} ${WRKSRC} -name CVS | ${XARGS} ${RM} -r
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/${PORTNAME} ${STAGEDIR}${PREFIX}/sbin/
 	${INSTALL_MAN} ${WRKSRC}/${PORTNAME}.8 ${STAGEDIR}${MAN8PREFIX}/man/man8/
 	${INSTALL_DATA} ${WRKSRC}/bftpd.conf ${STAGEDIR}${PREFIX}/etc/bftpd.conf.sample
 	@cd ${WRKSRC}/doc && ${COPYTREE_SHARE} . ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>