textproc/py-sphinxcontrib-svg2pdfconverter: depend on correct librsvg…

…2 automatically

Instead of providing a port option, have USES=gnome figure out the
right librsvg2 to depend on.  This avoids conflicts when installing mame
with other ports that depend on librsvg2{,-rust}.

Approved by:	agh@riseup.net (maintainer)
MFH:		2023Q2
PR:		271530

textproc/py-sphinxcontrib-svg2pdfconverter/Makefile

@@ -1,5 +1,6 @@
 PORTNAME=	sphinxcontrib-svg2pdfconverter
 PORTVERSION=	1.2.1
+PORTREVISION=	1
 CATEGORIES=	textproc python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -13,20 +14,10 @@ LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}sphinx>0:textproc/py-sphinx@${PY_FLAVOR}
 
-USES=		python:3.8+
+USES=		gnome python:3.8+
+USE_GNOME=	librsvg2
 USE_PYTHON=	autoplist concurrent distutils flavors
 
 NO_ARCH=	yes
 
-OPTIONS_DEFINE=	RSVGIMPL
-RSVGIMPL_DESC=	Depend on the Rust implementation of rsvg-convert
-
-.include <bsd.port.options.mk>
-
-.if ${PORT_OPTIONS:MRSVGIMPL}
-RUN_DEPENDS+=	rsvg-convert:graphics/librsvg2-rust
-.else
-RUN_DEPENDS+=	rsvg-convert:graphics/librsvg2
-.endif
-
 .include <bsd.port.mk>