Index: head/security/i2pd/Makefile
===================================================================
--- head/security/i2pd/Makefile	(revision 425317)
+++ head/security/i2pd/Makefile	(revision 425318)
@@ -1,46 +1,52 @@
 # Created by: Dmitry Marakasov <amdmi3@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	i2pd
 PORTVERSION=	2.10.0
 CATEGORIES=	security net-p2p
 
 MAINTAINER=	amdmi3@FreeBSD.org
 COMMENT=	C++ implementation of I2P client
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libboost_thread.so:devel/boost-libs
 
 BROKEN_powerpc64=	does not build
 BROKEN_FreeBSD_9=	does not build
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	PurpleI2P
 
 USES=		cmake compiler:c++11-lib ssl
 CMAKE_SOURCE_PATH=${WRKSRC}/build
 
 PLIST_FILES=	bin/${PORTNAME} \
 		man/man1/${PORTNAME}.1.gz
 PORTDOCS=	*
 
 OPTIONS_DEFINE=	AESNI UPNP DOCS
 
 AESNI_DESC=		Use AES-NI instructions set
 AESNI_CMAKE_BOOL=	WITH_AESNI
 UPNP_DESC=		Include support for UPnP client
 UPNP_CMAKE_BOOL=	WITH_UPNP
 UPNP_LIB_DEPENDS=	libminiupnpc.so:net/miniupnpc
 
+.include <bsd.port.pre.mk>
+
+.if ${SSL_DEFAULT:Mlibressl*}
+BROKEN=		does not build with LibreSSL (unsupported DSA_set0_pqg(), DSA_set0_key())
+.endif
+
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/${PORTNAME} ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_MAN} ${WRKSRC}/debian/${PORTNAME}.1 ${STAGEDIR}${MAN1PREFIX}/man/man1
 
 do-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/README.md ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/docs/configuration.md ${STAGEDIR}${DOCSDIR}/
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>