diff --git a/math/cgal/Makefile b/math/cgal/Makefile
index b3accfdccb35..b8cef342a96f 100644
--- a/math/cgal/Makefile
+++ b/math/cgal/Makefile
@@ -1,40 +1,41 @@
 # Created by: Jean-Yves Lefort <jylefort@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	cgal
 PORTVERSION=	4.6
+PORTREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	http://gforge.inria.fr/frs/download.php/34703/
 DISTNAME=	CGAL-${PORTVERSION}
 
 MAINTAINER=	wen@FreeBSD.org
 COMMENT=	Computational geometry library
 
 LICENSE=	GPLv3 LGPL3
 LICENSE_COMB=	multi
 
 BUILD_DEPENDS=	${LOCALBASE}/include/boost/tuple/tuple.hpp:${PORTSDIR}/devel/boost-libs
 RUN_DEPENDS=	${LOCALBASE}/include/boost/tuple/tuple.hpp:${PORTSDIR}/devel/boost-libs
 LIB_DEPENDS=	libmpfr.so:${PORTSDIR}/math/mpfr \
 		libgmp.so:${PORTSDIR}/math/gmp
 
 USE_LDCONFIG=		yes
 USES=			cmake tar:bzip2 shebangfix
 USE_QT4=		corelib qmake_build moc_build rcc_build uic_build svg
 CMAKE_ARGS=		-DWITH_CGAL_Qt3=OFF
 SHEBANG_FILES=		scripts/cgal_create_CMakeLists
 HAS_CONFIGURE=		yes
 LDFLAGS+=		-L${LOCALBASE}/lib
 
 OPTIONS_DEFINE=		GUI
 OPTIONS_DEFAULT=	GUI
 OPTIONS_SUB=		yes
 
 GUI_DESC=		Build libCGAL_ImageIO and libCGAL_Qt4
 GUI_USE=		GL=glu QT4=gui,opengl
 GUI_CMAKE_OFF=		-DWITH_CGAL_Qt4=OFF -DWITH_CGAL_ImageIO=OFF
 
 post-install:
 	${INSTALL_MAN} ${WRKSRC}/auxiliary/cgal_create_cmake_script.1 ${STAGEDIR}${PREFIX}/man/man1/
 
 .include <bsd.port.mk>
diff --git a/math/cgal/files/patch-include_CGAL_Straight__skeleton_2_Straight_skeleton_builder_2_impl.h b/math/cgal/files/patch-include_CGAL_Straight__skeleton_2_Straight_skeleton_builder_2_impl.h
new file mode 100644
index 000000000000..17aeede9dc54
--- /dev/null
+++ b/math/cgal/files/patch-include_CGAL_Straight__skeleton_2_Straight_skeleton_builder_2_impl.h
@@ -0,0 +1,16 @@
+--- include/CGAL/Straight_skeleton_2/Straight_skeleton_builder_2_impl.h.orig	2014-08-29 14:14:56 UTC
++++ include/CGAL/Straight_skeleton_2/Straight_skeleton_builder_2_impl.h
+@@ -21,6 +21,13 @@
+ 
+ #include <boost/bind.hpp>
+ #include <boost/utility.hpp>
++
++// Workaround for boost bug #11880
++#include <boost/version.hpp>
++#if BOOST_VERSION == 106000
++	#include <boost/type_traits/ice.hpp>
++#endif
++
+ #include <boost/graph/adjacency_matrix.hpp>
+ #include <CGAL/Unique_hash_map.h>
+