Index: head/math/add/Makefile
===================================================================
--- head/math/add/Makefile	(revision 391402)
+++ head/math/add/Makefile	(revision 391403)
@@ -1,22 +1,22 @@
 # Created by: Andrey Zakhvatov
 # $FreeBSD$
 
 PORTNAME=	add
-PORTVERSION=	20140105
+PORTVERSION=	20150704
 CATEGORIES=	math
 MASTER_SITES=	ftp://dickey.his.com/add/
-EXTRACT_SUFX=	.tgz
 
 MAINTAINER=	culot@FreeBSD.org
 COMMENT=	Full-screen editing calculator
 
 GNU_CONFIGURE=	yes
+USES=		tar:tgz
 MAKEFILE=	makefile
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/add ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_MAN} ${WRKSRC}/add.1 ${STAGEDIR}${MANPREFIX}/man/man1
 	@${MKDIR} ${STAGEDIR}${DATADIR}
 	${INSTALL_DATA} ${WRKSRC}/add.hlp ${STAGEDIR}${DATADIR}
 
 .include <bsd.port.mk>
Index: head/math/add/distinfo
===================================================================
--- head/math/add/distinfo	(revision 391402)
+++ head/math/add/distinfo	(revision 391403)
@@ -1,2 +1,2 @@
-SHA256 (add-20140105.tgz) = f963eef1b513844b3acaff71684d3e26bb77731eaab3e053df3480f3c5d318bd
-SIZE (add-20140105.tgz) = 144549
+SHA256 (add-20150704.tgz) = 320b44d22877a02594036a7082fd6b64246ffd4e05beb30294d40a6c6094e090
+SIZE (add-20150704.tgz) = 155559