Index: head/devel/liblpm/Makefile
===================================================================
--- head/devel/liblpm/Makefile	(revision 503920)
+++ head/devel/liblpm/Makefile	(revision 503921)
@@ -1,32 +1,38 @@
 # $FreeBSD$
 
 PORTNAME=	liblpm
 PORTVERSION=	g2019052401
 CATEGORIES=	devel
 
 MAINTAINER=	swills@FreeBSD.org
 COMMENT=	Longest Prefix Match library
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/../LICENSE
 
-USES=		gmake libtool:build
+USES=		compiler gmake libtool:build
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	rmind
 GH_PROJECT=	liblpm
 GH_TAGNAME=	984ac5f
 WRKSRC_SUBDIR=	src
 USE_LDCONFIG=	yes
 MAKE_ENV=	DESTDIR=${STAGEDIR}${PREFIX} \
 		INCDIR=${LOCALBASE}/include \
 		LIBDIR=${LOCALBASE}/lib \
 		MANDIR=${LOCALBASE}/man
 
 PLIST_FILES=	include/lpm.h \
 		lib/liblpm.a \
 		lib/liblpm.so \
 		lib/liblpm.so.1 \
 		lib/liblpm.so.1.0.0
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${CHOSEN_COMPILER_TYPE} == gcc
+EXTRA_PATCHES=	${PATCHDIR}/extra-patch-Makefile
+.endif
+
+.include <bsd.port.post.mk>
Index: head/devel/liblpm/files/extra-patch-Makefile
===================================================================
--- head/devel/liblpm/files/extra-patch-Makefile	(nonexistent)
+++ head/devel/liblpm/files/extra-patch-Makefile	(revision 503921)
@@ -0,0 +1,16 @@
+--- Makefile.orig	2019-05-18 16:55:32 UTC
++++ Makefile
+@@ -11,13 +11,10 @@ CFLAGS+=	-D_GNU_SOURCE -D_DEFAULT_SOURCE
+ #
+ # Extended warning flags.
+ #
+-CFLAGS+=	-Wno-unknown-warning-option # gcc vs clang
+-
+ CFLAGS+=	-Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith
+ CFLAGS+=	-Wmissing-declarations -Wredundant-decls -Wnested-externs
+ CFLAGS+=	-Wshadow -Wcast-qual -Wcast-align -Wwrite-strings
+ CFLAGS+=	-Wold-style-definition
+-CFLAGS+=	-Wsuggest-attribute=noreturn -Wjump-misses-init
+ 
+ # New GCC 6/7 flags:
+ #CFLAGS+=	-Wduplicated-cond -Wmisleading-indentation -Wnull-dereference

Property changes on: head/devel/liblpm/files/extra-patch-Makefile
___________________________________________________________________
Added: fbsd:nokeywords
## -0,0 +1 ##
+yes
\ No newline at end of property
Added: svn:eol-style
## -0,0 +1 ##
+native
\ No newline at end of property
Added: svn:mime-type
## -0,0 +1 ##
+text/plain
\ No newline at end of property