Index: head/security/libressl-devel/Makefile
===================================================================
--- head/security/libressl-devel/Makefile	(revision 466812)
+++ head/security/libressl-devel/Makefile	(revision 466813)
@@ -1,46 +1,47 @@
 # Created by: Bernard Spil <brnrd@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	libressl
 PORTVERSION=	2.7.2
 CATEGORIES=	security devel
 MASTER_SITES=	OPENBSD/LibreSSL
 PKGNAMESUFFIX=	-devel
 
 MAINTAINER=	brnrd@FreeBSD.org
 COMMENT=	Free version of the SSL/TLS protocol forked from OpenSSL
 
 LICENSE=	BSD4CLAUSE
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 CPE_VENDOR=	openbsd
 
 OPTIONS_DEFINE=	MAN3 NC
 OPTIONS_DEFAULT=	MAN3 NC
 MAN3_DESC=	Install API manpages (section 3)
 NC_DESC=	Install TLS-enabled netcat
 
 CONFLICTS_INSTALL=	libressl-[0-9]* \
 			openssl-[0-9]* \
 			openssl-devel-[0-9]*
 
 NC_CONFIGURE_ENABLE=	nc
 
 GNU_CONFIGURE=	yes
 USES=		cpe libtool pathfix pkgconfig
 USE_LDCONFIG=	yes
 OPTIONS_SUB=	yes
 CFLAGS+=	-fpic -DPIC -Wl,-rpath,${PREFIX}/lib -Wl,--as-needed
+LDFLAGS+=	-lthr
 
 INSTALL_TARGET=	install-strip
 TEST_TARGET=	check
 
 post-patch-MAN3-off:
 	${REINPLACE_CMD} -e 's/^install-man: install-man3/install-man:/' \
 		-e '/$$(MAKE) $$(AM_MAKEFLAGS) install-data-hook/d' \
 		${WRKSRC}/man/Makefile.in
 
 post-install:
 	${RM} -r ${STAGEDIR}/${PREFIX}/etc/ssl/cert.pem
 
 .include <bsd.port.mk>