Index: head/math/octave-forge-gsl/Makefile
===================================================================
--- head/math/octave-forge-gsl/Makefile	(revision 427129)
+++ head/math/octave-forge-gsl/Makefile	(revision 427130)
@@ -1,26 +1,30 @@
 # Created by: Stephen Montgomery-Smith <stephen@math.missouri.edu>
 # $FreeBSD$
 
 PORTNAME=	octave-forge-gsl
-PORTVERSION=	1.0.8
-PORTREVISION=	17
+PORTVERSION=	2.0.0
 CATEGORIES=	math
 
 MAINTAINER=	stephen@FreeBSD.org
 COMMENT=	Octave-forge package ${OCTAVE_PKGNAME}
 
 LICENSE=	GPLv2
-LICENSE_FILE=	${WRKSRC}/COPYING
+LICENSE_FILE=	${WRKDIR}/${OCTSRC}/COPYING
 
 LIB_DEPENDS=	libgsl.so:math/gsl
 
-GNU_CONFIGURE=	yes
-CONFIGURE_ENV+=	HOME=${WRKSRC}
-CPPFLAGS+=	-I${LOCALBASE}/include
-LDFLAGS+=	-L${LOCALBASE}/lib
+# OCTSRC is the name of the directory of the package.
+# It is usually ${OCTAVE_PKGNAME} or ${DISTNAME}.
+OCTSRC=		${DISTNAME}
 
-post-patch:
-	@${REINPLACE_CMD} s+/bin/bash+${LOCALBASE}/bin/bash+g ${WRKSRC}/src/config*
+WRKSRC=		${WRKDIR}/${OCTSRC}/src
 
+GNU_CONFIGURE=	yes
+
 .include "${.CURDIR}/../../Mk/bsd.octave.mk"
+
+post-build:
+	${RM} ${WRKSRC}/Makefile ${WRKSRC}/configure
+	cd ${WRKDIR} && ${TAR} cfz ${DISTNAME}.tar.gz ${OCTSRC}
+
 .include <bsd.port.mk>
Index: head/math/octave-forge-gsl/distinfo
===================================================================
--- head/math/octave-forge-gsl/distinfo	(revision 427129)
+++ head/math/octave-forge-gsl/distinfo	(revision 427130)
@@ -1,2 +1,3 @@
-SHA256 (octave-forge/gsl-1.0.8.tar.gz) = a8344d508ba6f376ca0c0734a72aac1080690cfe74f32c5e964ad765d81adfb3
-SIZE (octave-forge/gsl-1.0.8.tar.gz) = 1206632
+TIMESTAMP = 1480110430
+SHA256 (octave-forge/gsl-2.0.0.tar.gz) = 4a93623745024a7617eef435b99a03aaebece3d7967771518197f150746f58b1
+SIZE (octave-forge/gsl-2.0.0.tar.gz) = 111757