Index: head/math/z3/Makefile
===================================================================
--- head/math/z3/Makefile	(revision 485758)
+++ head/math/z3/Makefile	(revision 485759)
@@ -1,47 +1,46 @@
 # $FreeBSD$
 
 PORTNAME=	z3
 DISTVERSIONPREFIX=	${PORTNAME}-
-DISTVERSION=	4.7.1
-PORTREVISION=	1
+DISTVERSION=	4.8.3
 CATEGORIES=	math
 
 MAINTAINER=	arrowd@FreeBSD.org
 COMMENT=	Z3 Theorem Prover
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 USES=		compiler:c++11-lang python:2.7,build
 USE_GITHUB=	yes
 GH_ACCOUNT=	Z3Prover
 
+HAS_CONFIGURE=		yes
+CONFIGURE_ARGS=		--prefix=${PREFIX}
+USE_LDCONFIG=		yes
+
 OPTIONS_DEFINE=		DEBUG STATIC GMP
 
 OPTIONS_DEFAULT=	STATIC
 OPTIONS_SUB=		yes
 
 DEBUG_CONFIGURE_ON=	--debug
 
 STATIC_DESC=		Build static z3 library
 STATIC_CONFIGURE_ON=	--staticlib
 
 GMP_DESC=		Use GMP library for AP arithmetic
 GMP_CONFIGURE_ON=	--gmp
-GMP_CXXFLAGS=		-I${LOCALBASE}/include
-GMP_LDFLAGS=		-L${LOCALBASE}/lib
+GMP_USES=		localbase:ldflags
 GMP_LIB_DEPENDS=	libgmp.so:math/gmp
 
-HAS_CONFIGURE=		yes
-CONFIGURE_ARGS=		--prefix=${PREFIX}
-USE_LDCONFIG=		yes
 LDFLAGS_i386=		-Wl,-znotext
 BUILD_WRKSRC=		${WRKSRC}/build
 INSTALL_WRKSRC=		${WRKSRC}/build
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/z3
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/libz3.so
 	${LN} -s libz3.so ${STAGEDIR}${PREFIX}/lib/libz3.so.0
 
 .include <bsd.port.mk>
Index: head/math/z3/distinfo
===================================================================
--- head/math/z3/distinfo	(revision 485758)
+++ head/math/z3/distinfo	(revision 485759)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1529241358
-SHA256 (Z3Prover-z3-z3-4.7.1_GH0.tar.gz) = a353e3da00cdaffd258052cc1406efc854606855222ab4bfd5679c58af5c11c7
-SIZE (Z3Prover-z3-z3-4.7.1_GH0.tar.gz) = 4015416
+TIMESTAMP = 1542720512
+SHA256 (Z3Prover-z3-z3-4.8.3_GH0.tar.gz) = 21620b68c373cdea0d3b2cf24020be4ecfb22eddc6629663f6e9ce31cfdc78de
+SIZE (Z3Prover-z3-z3-4.8.3_GH0.tar.gz) = 4119116
Index: head/math/z3/pkg-plist
===================================================================
--- head/math/z3/pkg-plist	(revision 485758)
+++ head/math/z3/pkg-plist	(revision 485759)
@@ -1,18 +1,18 @@
 bin/z3
 include/z3++.h
 include/z3.h
 include/z3_algebraic.h
 include/z3_api.h
 include/z3_ast_containers.h
 include/z3_fixedpoint.h
 include/z3_fpa.h
-include/z3_interp.h
 include/z3_macros.h
 include/z3_optimization.h
 include/z3_polynomial.h
 include/z3_rcf.h
 include/z3_spacer.h
 include/z3_v1.h
+include/z3_version.h
 %%STATIC%%lib/libz3.a
 lib/libz3.so
 lib/libz3.so.0