diff --git a/graphics/synfig/Makefile b/graphics/synfig/Makefile
index b2c7d62d25d2..886340f63e21 100644
--- a/graphics/synfig/Makefile
+++ b/graphics/synfig/Makefile
@@ -1,60 +1,58 @@
 PORTNAME=	synfig
 DISTVERSIONPREFIX=	v
 DISTVERSION=	1.4.5
-PORTREVISION=	4
+PORTREVISION=	5
 CATEGORIES=	graphics devel multimedia
 
 MAINTAINER=	portmaster@BSDforge.com
 COMMENT=	Vector based 2D animation package
 WWW=		https://www.synfig.org/
 
 LICENSE=	GPLv2+
 
-BROKEN=		fails to build with boost-1.86+
-
 BUILD_DEPENDS=	etl>=1.4.5:devel/etl \
 		gsed:textproc/gsed
 LIB_DEPENDS=	libImath.so:math/Imath \
 		libOpenEXR.so:graphics/openexr \
 		libavcodec.so:multimedia/ffmpeg \
 		libboost_program_options.so:devel/boost-libs \
 		libdv.so:multimedia/libdv \
 		libfftw3.so:math/fftw3 \
 		libfontconfig.so:x11-fonts/fontconfig \
 		libfreetype.so:print/freetype2 \
 		libharfbuzz.so:print/harfbuzz \
 		libltdl.so:devel/libltdl \
 		libmng.so:graphics/libmng \
 		libpng.so:graphics/png \
 		libtiff.so:graphics/tiff
 
-USES=		autoreconf compiler:c++11-lang gmake gnome iconv jpeg \
+USES=		autoreconf compiler:c++14-lang gmake gnome iconv jpeg \
 		libtool localbase magick:7 mlt:7 pathfix pkgconfig
-USE_CXXSTD=	c++11
+USE_CXXSTD=	c++14
 USE_GITHUB=	yes
 USE_GNOME=	cairo glibmm intltool libxml++26 pango
 USE_LDCONFIG=	yes
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	${ICONV_CONFIGURE_ARG}
 CONFIGURE_ENV+=	ac_cv_path_SED=${LOCALBASE}/bin/gsed
 
 INSTALL_TARGET=	install-strip
 BINARY_ALIAS=	sed=${LOCALBASE}/bin/gsed
 PORTSCOUT=	limitw:1,even
 
 WRKSRC_SUBDIR=	synfig-core
 
 OPTIONS_DEFINE=	DOCS NLS
 OPTIONS_SUB=	yes
 
 NLS_USES=		gettext
 NLS_CONFIGURE_ENABLE=	nls
 
 post-install:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 .for doc in AUTHORS NEWS README TODO
 	(cd ${WRKSRC} &&  ${INSTALL_DATA} ${doc} ${STAGEDIR}${DOCSDIR})
 .endfor
 
 .include <bsd.port.mk>
diff --git a/graphics/synfig/files/patch-src_synfig_rendering_software_function__array.h b/graphics/synfig/files/patch-src_synfig_rendering_software_function__array.h
new file mode 100644
index 000000000000..26279f8384dd
--- /dev/null
+++ b/graphics/synfig/files/patch-src_synfig_rendering_software_function__array.h
@@ -0,0 +1,11 @@
+--- src/synfig/rendering/software/function/array.h.orig	2025-04-14 18:37:34 UTC
++++ src/synfig/rendering/software/function/array.h
+@@ -426,7 +426,7 @@
+ 	};
+ 
+ 	void fill(const Type &x) const
+-		{ for(Iterator i(*this); i; ++i) i.get_array().template fill(x); }
++		{ for(Iterator i(*this); i; ++i) i.get_array().template fill<Type>(x); }
+ 
+ 	template<typename TT>
+ 	void assign(const Array<TT, Rank> &x) const