Index: head/graphics/sane-backends/Makefile
===================================================================
--- head/graphics/sane-backends/Makefile	(revision 491628)
+++ head/graphics/sane-backends/Makefile	(revision 491629)
@@ -1,73 +1,74 @@
 # Created by: gary@hotlava.com
 # $FreeBSD$
 
 PORTNAME=	sane-backends
 PORTVERSION=	1.0.27
 PORTREVISION=	5
 CATEGORIES=	graphics
 MASTER_SITES=	https://gitlab.com/sane-project/backends/uploads/a3ba9fff29253a94e84074917bff581a/ \
 		http://fossies.org/linux/misc/
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	API for access to scanners, digitals camera, frame grabbers etc
 
 LICENSE=	GPLv2+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libpng.so:graphics/png \
 		libtiff.so:graphics/tiff
 
 USES=		gmake jpeg libtool localbase pathfix pkgconfig
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--disable-locking \
 		--enable-pthread \
+		--without-api-spec \
 		--without-systemd
 INSTALL_TARGET=	install-strip
 USE_LDCONFIG=	yes
 USE_RC_SUBR=	saned
 
 SUB_FILES=	pkg-message
 
 USERS=		saned
 GROUPS=		saned
 
 PORTDOCS=	*
 
 OPTIONS_DEFINE=		AVAHI DOCS GPHOTO IEEE1284 IPV6 NLS SNMP USB V4L
 OPTIONS_DEFAULT=	USB
 OPTIONS_SUB=		yes
 
 IEEE1284_DESC=		Parallel port support via libieee1284
 USB_DESC=		USB support
 
 AVAHI_LIB_DEPENDS=	libavahi-client.so:net/avahi-app
 AVAHI_CONFIGURE_ENABLE=	avahi
 GPHOTO_LIB_DEPENDS=	libgphoto2.so:graphics/libgphoto2
 GPHOTO_CONFIGURE_OFF=	--with-gphoto2=no
 IEEE1284_LIB_DEPENDS=	libieee1284.so:sysutils/libieee1284
 IEEE1284_CONFIGURE_ENV_OFF=	sane_cv_use_libieee1284=no
 IPV6_CONFIGURE_ENABLE=	ipv6
 NLS_USES=		gettext
 NLS_CONFIGURE_ENABLE=	nls
 SNMP_LIB_DEPENDS=	libnetsnmp.so:net-mgmt/net-snmp
 SNMP_CONFIGURE_WITH=	snmp
 USB_CONFIGURE_ON=	--with-usb
 USB_CONFIGURE_OFF=	--with-usb=no
 V4L_LIB_DEPENDS=	libv4l1.so:multimedia/libv4l
 V4L_CONFIGURE_WITH=	v4l
 
 post-patch:
 	@${REINPLACE_CMD} -e '/for ac_header in/s|libc.h|sys/endian.h| ; \
 		 s|"$${have_linux_ioctl_defines}"|"$${have_libv4l1}"|' \
 		${WRKSRC}/configure
 	@${REINPLACE_CMD} -e '/^dist_doc_DATA/s|COPYING||' \
 		${WRKSRC}/Makefile.in
 	@${REINPLACE_CMD} -e 's|HAVE_LIBC_H|HAVE_SYS_ENDIAN_H|' \
 		${WRKSRC}/include/sane/config.h.in
 	@${REINPLACE_CMD} -e '/^pkgconfigdir/s|@libdir@|@prefix@/libdata|' \
 		${WRKSRC}/tools/Makefile.in
 	@${REINPLACE_CMD} -e '/^export PKG_CONFIG_LIBDIR=/s|@libdir@|@prefix@/libdata|' \
 		${WRKSRC}/tools/sane-config.in
 
 .include <bsd.port.mk>