Index: math/reduce/Makefile
===================================================================
--- math/reduce/Makefile	(revision 485968)
+++ math/reduce/Makefile	(working copy)
@@ -2,11 +2,10 @@
 # $FreeBSD$
 
 PORTNAME=	reduce
-PORTVERSION=	20180117
-PORTREVISION=	2
+PORTVERSION=	20181123
 CATEGORIES=	math lang
 MASTER_SITES=	SF/${PORTNAME}-algebra/${SFSUBDIR}/
-DISTNAME=	Reduce-svn4372-src
+DISTNAME=	Reduce-svn4829-src
 
 MAINTAINER=	pfg@FreeBSD.org
 COMMENT=	REDUCE Codemist Standard Lisp general-purpose computer system
@@ -17,6 +16,7 @@
 BROKEN_armv6=		fails to compile: redfront.h:118:12: conflicting types for '__wcwidth'
 BROKEN_powerpc64=	fails to compile: arith01.cpp: 'statuc' does not name a type
 
+BUILD_DEPENDS=	gnuplot:math/gnuplot
 RUN_DEPENDS=	gnuplot:math/gnuplot
 
 LIB_DEPENDS+=	libpng.so:graphics/png \
@@ -24,7 +24,7 @@
 
 MAKE_JOBS_UNSAFE=	yes
 
-SFSUBDIR=	snapshot_2018-01-17
+SFSUBDIR=	snapshot_2018-11-23
 
 USES=		autoreconf:build libtool gmake ncurses
 TARGET_SDIR=	${ARCH:S/amd64/x86_64/}-unknown-${OPSYS:tl}${OSREL}
Index: math/reduce/distinfo
===================================================================
--- math/reduce/distinfo	(revision 485968)
+++ math/reduce/distinfo	(working copy)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1518056272
-SHA256 (Reduce-svn4372-src.tar.gz) = d4b8bbaf6d9108942d16b9c5bb9de6d3d5b8e8e5ad4116d4b7b8b1000c7f95a5
-SIZE (Reduce-svn4372-src.tar.gz) = 252484539
+TIMESTAMP = 1543274757
+SHA256 (Reduce-svn4829-src.tar.gz) = 9787f31ef1ec23988f4c551388c6ffffe5b97ca290de6eed1c12dff1737763c8
+SIZE (Reduce-svn4829-src.tar.gz) = 261842669
Index: math/reduce/files/patch-csl_fox_configure.ac
===================================================================
--- math/reduce/files/patch-csl_fox_configure.ac	(revision 485968)
+++ math/reduce/files/patch-csl_fox_configure.ac	(working copy)
@@ -1,6 +1,6 @@
---- csl/fox/configure.ac.orig	2017-02-27 17:32:49.915004000 -0500
-+++ csl/fox/configure.ac	2017-02-27 17:35:58.712250000 -0500
-@@ -160,7 +160,7 @@ if test "x$enable_release" = "xyes" && t
+--- csl/fox/configure.ac.orig	2018-06-17 19:20:00 UTC
++++ csl/fox/configure.ac
+@@ -166,7 +166,7 @@ if test "x$enable_release" = "xyes" && test "x$enable_
        CXXFLAGS="${CXXFLAGS} -Wuninitialized -ffast-math -fstrict-aliasing"
        ;;
    *)