Index: head/comms/dcf77pi/Makefile
===================================================================
--- head/comms/dcf77pi/Makefile	(revision 474197)
+++ head/comms/dcf77pi/Makefile	(revision 474198)
@@ -1,38 +1,40 @@
 # Created by: rene@FreeBSD.org
 # $FreeBSD$
 
 PORTNAME=	dcf77pi
-PORTVERSION=	3.6.1
+PORTVERSION=	3.7.0
 CATEGORIES=	comms
 
 MAINTAINER=	rene@FreeBSD.org
 COMMENT=	DCF77 receiver/logger/analyzer and library for the Raspberry Pi
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.md
 
-USE_GITHUB=	yes
-GH_ACCOUNT=	rene0
+LIB_DEPENDS=	libjson-c.so:devel/json-c
 
 OPTIONS_DEFINE=	DOXYGEN
 
 DOXYGEN_BUILD_DEPENDS=	doxygen:devel/doxygen
 DOXYGEN_ALL_TARGET=	all doxygen
 
-USES=		ncurses
+USES=		ncurses pkgconfig
+USE_GITHUB=	yes
+GH_ACCOUNT=	rene0
 USE_LDCONFIG=	yes
 
 PATCH_STRIP=	-p1
-PORTDOCS=	CHANGELOG.md README.md
+PORTDOCS=	CHANGELOG.md README.md receiver.svg
 DOXYGEN_PORTDOCS=	html/*
 
 INSTALL_TARGET=	install-strip
 DOXYGEN_INSTALL_TARGET=	install-doxygen
 
 post-install:
+	@${RM} ${STAGEDIR}${DOCSDIR}/LICENSE.md # do not install twice
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 .for f in ${PORTDOCS}
 	${INSTALL_DATA} ${WRKSRC}/${f} ${STAGEDIR}${DOCSDIR}
 .endfor
 
 .include <bsd.port.mk>
Index: head/comms/dcf77pi/distinfo
===================================================================
--- head/comms/dcf77pi/distinfo	(revision 474197)
+++ head/comms/dcf77pi/distinfo	(revision 474198)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1511084900
-SHA256 (rene0-dcf77pi-3.6.1_GH0.tar.gz) = fb780e7919c4a5d19d57ca09386f4a8cd660c77d0784b7240133b32493197f9c
-SIZE (rene0-dcf77pi-3.6.1_GH0.tar.gz) = 62125
+TIMESTAMP = 1531070633
+SHA256 (rene0-dcf77pi-3.7.0_GH0.tar.gz) = 9d2479fd1a7cead8613e354470c356c538c040943d256e7c72188763da67a577
+SIZE (rene0-dcf77pi-3.7.0_GH0.tar.gz) = 65305
Index: head/comms/dcf77pi/pkg-plist
===================================================================
--- head/comms/dcf77pi/pkg-plist	(revision 474197)
+++ head/comms/dcf77pi/pkg-plist	(revision 474198)
@@ -1,13 +1,12 @@
 bin/dcf77pi
 bin/dcf77pi-analyze
 bin/readpin
-@sample %%ETCDIR%%/config.txt.sample
+@sample %%ETCDIR%%/config.json.sample
 include/dcf77pi/bits1to14.h
 include/dcf77pi/calendar.h
-include/dcf77pi/config.h
 include/dcf77pi/decode_alarm.h
 include/dcf77pi/decode_time.h
 include/dcf77pi/input.h
 include/dcf77pi/mainloop.h
 include/dcf77pi/setclock.h
 lib/libdcf77.so