diff -ruN assaultcube.orig/Makefile assaultcube/Makefile
--- assaultcube.orig/Makefile	2014-12-08 20:48:38.000000000 +0400
+++ assaultcube/Makefile	2015-02-15 11:39:33.000000000 +0400
@@ -24,23 +24,24 @@
 LICENSE_PERMS_OTHER=	dist-mirror pkg-mirror auto-accept
 
 USES=		gmake openal:al tar:bzip2
-GNU_CONFIGURE=	yes
-ALL_TARGET=	libenet
+ALL_TARGET=	# empty
 WRKSRC=		${WRKDIR}/AssaultCube_v${PORTVERSION}
-CONFIGURE_ARGS=	--enable-shared=no --enable-static=yes
-CONFIGURE_WRKSRC=	${WRKSRC}/source/enet
 BUILD_WRKSRC=	${WRKSRC}/source/src
 
 PORTDATA=	config packages scripts
 PORTDOCS=	*
 
-OPTIONS_DEFINE=	DOCS
+OPTIONS_DEFINE=	DOCS PORT_ENET
 OPTIONS_MULTI=	BUILD
 OPTIONS_MULTI_BUILD=	CLIENT DEDICATED MASTER
 OPTIONS_DEFAULT=	CLIENT DEDICATED
 CLIENT_DESC=	Build client
 DEDICATED_DESC=	Build dedicated server
 MASTER_DESC=	Build master server
+PORT_ENET_DESC=	Use libenet from net/enet over bundled
+PORT_ENET_LIB_DEPENDS=		libenet.so:${PORTSDIR}/net/enet
+PORT_ENET_ALL_TARGET_OFF=	libenet
+PORT_ENET_CONFIGURE_OFF=	--enable-shared=no --enable-static=yes
 
 .include <bsd.port.options.mk>
 
@@ -70,6 +71,30 @@
 ACUBE_BIN+=	master
 .endif
 
+.if !${PORT_OPTIONS:MPORT_ENET}
+GNU_CONFIGURE=		yes
+CONFIGURE_WRKSRC=	${WRKSRC}/source/enet
+.endif
+
+post-patch: .SILENT
+	${REINPLACE_CMD} -e '/defined/s|FreeBSD|${OPSYS}|g' \
+		${WRKSRC}/source/enet/unix.c
+	${REINPLACE_CMD} -e '/^CXXFLAGS=/d ; /^CXX=/d ; \
+		/^PLATFORM_PREFIX=/s|native|${OPSYS}|; \
+		/^INCLUDES=/s|$$| -I${LOCALBASE}/include| ; \
+		s|-I/usr/include || ; \
+		s|sdl-config|${SDL_CONFIG}| ; \
+		s|-lcurl|& -lintl| ; \
+		s|$$(USRLIB)|${LOCALBASE}/lib| ; \
+		/^SERVER_LIBS=/s|-lz|& -L${LOCALBASE}/lib|' \
+		${BUILD_WRKSRC}/Makefile
+.if ${PORT_OPTIONS:MPORT_ENET}
+	${SED} -i .port_enet.bak -e 's/libenet // ; \
+		s|-I\.\./enet/include|| ; \
+		s|-L\.\./enet/\.libs||' \
+		${BUILD_WRKSRC}/Makefile
+.endif
+
 pre-install: .SILENT
 	# 	Current STAGEDIR doesn't create empty directories for package,
 	# in case of dynamically generated TMPPLIST, where these directories exist
diff -ruN assaultcube.orig/files/patch-source_src_Makefile assaultcube/files/patch-source_src_Makefile
--- assaultcube.orig/files/patch-source_src_Makefile	2013-11-03 09:10:47.000000000 +0400
+++ assaultcube/files/patch-source_src_Makefile	1970-01-01 03:00:00.000000000 +0300
@@ -1,35 +0,0 @@
---- source/src/Makefile.orig	2013-10-29 13:20:58.000000000 +0400
-+++ source/src/Makefile	2013-10-29 17:00:06.000000000 +0400
-@@ -1,9 +1,7 @@
--CXXFLAGS= -O3 -fomit-frame-pointer
--CXX=clang++	# Use clang++, as g++ optimizations cause crashes...
- override CXXFLAGS+= -Wall -fsigned-char
- 
- PLATFORM= $(shell uname -s)
--PLATFORM_PREFIX=native
-+PLATFORM_PREFIX=FreeBSD
- 
- INCLUDES= -I. -Ibot -I../enet/include
- 
-@@ -22,8 +20,8 @@
- else
- USRLIB=$(shell if [ -e /usr/lib64 ]; then echo "/usr/lib64"; else echo "/usr/lib"; fi)
- # override CXXFLAGS+= -rdynamic		# clang++ doesn't use this...
--CLIENT_INCLUDES= $(INCLUDES) -I/usr/include `sdl-config --cflags` -idirafter ../include
--CLIENT_LIBS= -L../enet/.libs -lenet -L$(USRLIB) -lX11 `sdl-config --libs` -lSDL_image -lz -lGL -lopenal -lvorbisfile -lcurl
-+CLIENT_INCLUDES= $(INCLUDES) -I${LOCALBASE}/include `${SDL_CONFIG} --cflags` -idirafter ../include
-+CLIENT_LIBS= -L../enet/.libs -lenet -L${LOCALBASE}/lib -lX11 `${SDL_CONFIG} --libs` -lSDL_image -lz -lGL -lopenal -lvorbisfile -lcurl -lintl
- endif
- 
- CLIENT_OBJS= \
-@@ -87,8 +85,8 @@
- SERVER_INCLUDES= -DSTANDALONE $(INCLUDES) -I../include
- SERVER_LIBS= -L../lib -lzdll -lenet -llibintl -lws2_32 -lwinmm
- else
--SERVER_INCLUDES= -DSTANDALONE $(INCLUDES)
--SERVER_LIBS= -L../enet/.libs -lenet -lz
-+SERVER_INCLUDES= -DSTANDALONE $(INCLUDES) -I${LOCALBASE}/include
-+SERVER_LIBS= -L../enet/.libs -lenet -lz -L${LOCALBASE}/lib
- endif
- 
- SERVER_OBJS= \