diff --git a/net-mgmt/pmacct/Makefile b/net-mgmt/pmacct/Makefile
index 314230e3e2d4..15b98614f119 100644
--- a/net-mgmt/pmacct/Makefile
+++ b/net-mgmt/pmacct/Makefile
@@ -1,88 +1,89 @@
 # Created by: Kirill Ponomarew <ponomarew@oberon.net>
 
 PORTNAME=	pmacct
 DISTVERSION=	1.7.5
+PORTREVISION=	1
 CATEGORIES=	net-mgmt
 MASTER_SITES=	http://www.pmacct.net/
 
 MAINTAINER=	pi@FreeBSD.org
 COMMENT=	Accounting and aggregation tool for IPv4 and IPv6 traffic
 
 LICENSE=	GPLv2
 
 USES=		libtool pkgconfig localbase
 USE_RC_SUBR=	pmacctd nfacctd sfacctd
 SUB_FILES=	pkg-message
 GNU_CONFIGURE=	yes
 
 OPTIONS_DEFINE=	MYSQL PGSQL SQLITE3 LAYER2 DEBUG GEOIP2 \
 		DOCS PLABEL RABBITMQ REDIS KAFKA AVRO EXAMPLES
 OPTIONS_DEFAULT=LAYER2
 OPTIONS_SUB=	yes
 
 AVRO_DESC=	Enable avro support
 GEOIP2_DESC=	Enable GeoIPv2 (libmaxminddb) support
 KAFKA_DESC=	Enable Kafka support
 LAYER2_DESC=	Enable Layer-2 support: MAC addresses and VLANs
 PLABEL_DESC=	Enable IP prefix labels
 RABBITMQ_DESC=	Enable RabbitMQ/AMQP support
 REDIS_DESC=	Enable Redis support
 SQLITE3_DESC=	Enable SQLite3 support
 
 SQLDOC=		"@comment "
 
 MYSQL_USES=		mysql
 MYSQL_CONFIGURE_ENABLE=	mysql
 MYSQL_VARS+=	SQLDOC=""
 
 PGSQL_USES=		pgsql
 PGSQL_CONFIGURE_ENABLE=	pgsql
 PGSQL_VARS+=		WANT_PGSQL=client
 PGSQL_VARS+=		SQLDOC=""
 
 SQLITE3_USES=		sqlite
 SQLITE3_CONFIGURE_ENABLE=	sqlite3
 SQLITE3_VARS=		SQLDOC=""
 
 LAYER2_CONFIGURE_ENABLE=	l2
 PLABEL_CONFIGURE_ENABLE=	plabel
 DEBUG_CONFIGURE_ENABLE=		debug
 
 RABBITMQ_LIB_DEPENDS=		librabbitmq.so:net/rabbitmq-c-devel
 RABBITMQ_CONFIGURE_ENABLE=	rabbitmq
 
 REDIS_LIB_DEPENDS=		libhiredis.so:databases/hiredis
 REDIS_CONFIGURE_ENABLE=		redis
 
 KAFKA_LIB_DEPENDS=		librdkafka.so:net/librdkafka
 KAFKA_CONFIGURE_ENABLE=		kafka
 
 AVRO_LIB_DEPENDS=		libavro.so:devel/avro-c
 AVRO_CONFIGURE_ENABLE=		avro
 
 GEOIP2_LIB_DEPENDS=		libmaxminddb.so:net/libmaxminddb
 GEOIP2_CONFIGURE_ENABLE=	geoipv2
 
 .include <bsd.port.options.mk>
 
 PLIST_SUB+=	SQLDOC=${SQLDOC}
 
 .if ${PORT_OPTIONS:MRABBITMQ} || ${PORT_OPTIONS:MKAFKA}
 LIB_DEPENDS+=	libjansson.so:devel/jansson
 CONFIGURE_ARGS+=--enable-jansson
 .endif
 
 post-patch:
 	@${REINPLACE_CMD} -e 's|-O2||g' ${WRKSRC}/configure
 
 post-install:
 	${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 	(cd ${WRKSRC}/examples && ${COPYTREE_SHARE} . ${STAGEDIR}${EXAMPLESDIR})
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/docs/[A-Z]* ${STAGEDIR}${DOCSDIR}
 .for i in AUTHORS CONFIG-KEYS COPYING ChangeLog FAQS INSTALL QUICKSTART UPGRADE
 	${INSTALL_DATA} ${WRKSRC}/${i} ${STAGEDIR}${DOCSDIR}
 .endfor
 	${MKDIR} ${STAGEDIR}${DATADIR}
 
 .include <bsd.port.mk>
diff --git a/net-mgmt/pmacct/files/patch-src_nfprobe__plugin_netflow9.c b/net-mgmt/pmacct/files/patch-src_nfprobe__plugin_netflow9.c
new file mode 100644
index 000000000000..6ba07373eba9
--- /dev/null
+++ b/net-mgmt/pmacct/files/patch-src_nfprobe__plugin_netflow9.c
@@ -0,0 +1,11 @@
+--- src/nfprobe_plugin/netflow9.c.orig	2020-05-10 13:57:54 UTC
++++ src/nfprobe_plugin/netflow9.c
+@@ -2233,7 +2233,7 @@ send_netflow_v9(struct FLOW **flows, int num_flows, in
+ 
+ 		/* Refresh template headers if we need to */
+ 		if (nf9_pkts_until_template <= 0) {
+-			u_int16_t flows = 0, tot_len = 0;
++			u_int16_t flows = 0, tot_len  __attribute__((unused)) = 0;
+ 
+ 			memcpy(packet + offset, &v4_template, v4_template.tot_len);
+ 			offset += v4_template.tot_len;
diff --git a/net-mgmt/pmacct/files/patch-src_sflow.c b/net-mgmt/pmacct/files/patch-src_sflow.c
new file mode 100644
index 000000000000..8a8df0620e6c
--- /dev/null
+++ b/net-mgmt/pmacct/files/patch-src_sflow.c
@@ -0,0 +1,11 @@
+--- src/sflow.c.orig	2020-05-10 13:57:54 UTC
++++ src/sflow.c
+@@ -306,7 +306,7 @@ void decodeIPV4(SFSample *sample)
+ 
+ void decodeIPV6(SFSample *sample)
+ {
+-  u_int32_t label;
++  u_int32_t label __attribute__((unused));
+   u_int32_t nextHeader;
+   u_char *end = sample->header + sample->headerLen;
+