diff --git a/security/tclsasl/Makefile b/security/tclsasl/Makefile
index 5b68f7766bfa..8eef62e332ba 100644
--- a/security/tclsasl/Makefile
+++ b/security/tclsasl/Makefile
@@ -1,27 +1,34 @@
 PORTNAME=	tclsasl
 PORTVERSION=	1.0
 PORTREVISION=	3
 CATEGORIES=	security tcl
 MASTER_SITES=	http://beepcore-tcl.sourceforge.net/
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Tcl interface to the Cyrus SASLv2 library
 WWW=		http://beepcore-tcl.sourceforge.net/tclsasl.html
 
 LIB_DEPENDS=	libsasl2.so:security/cyrus-sasl2
 
 USES=		tcl:tea libtool tar:tgz
 USE_LDCONFIG=	yes
 
 CONFIGURE_ARGS=	--with-cyrus-sasl=${LOCALBASE}
-CONFIGURE_ENV=	INSTALL="${INSTALL_DATA}" STAGEDIR="${STAGEDIR}"
+CONFIGURE_ENV=	INSTALL="${INSTALL_DATA}" STAGEDIR="${STAGEDIR}" \
+			CPPFLAGS="${CPPFLAGS}"
 
 PORTDOCS=	tclsasl.html
 
 OPTIONS_DEFINE=	DOCS
 
-post-install:
+.include <bsd.port.options.mk>
+
+.if ${OPSYS} == FreeBSD && ${OSVERSION} >= 1400091
+CPPFLAGS+=	-Wno-error=incompatible-function-pointer-types
+.endif
+
+post-install-DOCS-on:
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/doc/tclsasl.html ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>