www/aria2: Add EXPAT, LIBUV and LIBXML2 options

It allows users to choose XML backend.

PR:		254559
Requested by:	Daniel Engberg <daniel.engberg.lists@pyret.net>

www/aria2/Makefile

@@ -12,14 +12,13 @@ COMMENT=	Yet another download tool
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
-USES=		compiler:c++11-lib gnome libtool pathfix pkgconfig ssl tar:xz
-USE_GNOME=	libxml2
+USES=		compiler:c++11-lib libtool pathfix pkgconfig ssl tar:xz
 
 CONFIGURE_ARGS=	--disable-epoll \
 		--enable-bittorrent --enable-libaria2 --enable-metalink --enable-shared --enable-ssl --enable-static --enable-threads=posix --enable-websocket \
 		--with-disk-cache=${ARIA2_DISK_CACHE} \
-		--with-libxml2 --with-libz --with-openssl \
-		--without-appletls --without-gnutls --without-libexpat --without-libgcrypt --without-libgmp --without-libnettle --without-libuv
+		--with-libz --with-openssl \
+		--without-appletls --without-gnutls --without-libgcrypt --without-libgmp --without-libnettle
 CONFIGURE_ENV=	OPENSSL_CFLAGS=-I${OPENSSLINC} \
 		OPENSSL_LIBS="-L${OPENSSLLIB} -lcrypto -lssl" \
 		ac_cv_path_RST2HTML=no
@@ -33,17 +32,27 @@ PORTDOCS=	*
 
 ARIA2_DISK_CACHE?=	16M
 
-OPTIONS_DEFINE=	CA_BUNDLE CARES DOCS NLS SQLITE SSH2
-OPTIONS_DEFAULT=CA_BUNDLE SQLITE
+OPTIONS_DEFINE=	CA_BUNDLE CARES DOCS LIBUV NLS SQLITE SSH2
+OPTIONS_SINGLE=	XML
+OPTIONS_SINGLE_XML=	EXPAT LIBXML2
+OPTIONS_DEFAULT=CA_BUNDLE LIBXML2 SQLITE
 OPTIONS_SUB=	yes
 CA_BUNDLE_DESC=	Use CA bundle from Mozilla Project
+LIBUV_DESC=	Event polling via libuv
 SSH2_DESC=	SSH2 protocol support
 
 CA_BUNDLE_CONFIGURE_OFF=--without-ca-bundle
 CA_BUNDLE_CONFIGURE_ON=	--with-ca-bundle=${LOCALBASE}/share/certs/ca-root-nss.crt
 CA_BUNDLE_RUN_DEPENDS=	${LOCALBASE}/share/certs/ca-root-nss.crt:security/ca_root_nss
 CARES_CONFIGURE_WITH=	libcares
 CARES_LIB_DEPENDS=	libcares.so:dns/c-ares
+EXPAT_CONFIGURE_WITH=	libexpat
+EXPAT_LIB_DEPENDS=	libexpat.so:devel/expat2
+LIBUV_CONFIGURE_WITH=	libuv
+LIBUV_LIB_DEPENDS=	libuv.so:devel/libuv
+LIBXML2_CONFIGURE_WITH=	libxml2
+LIBXML2_USE=		GNOME=libxml2
+LIBXML2_USES=		gnome
 NLS_CONFIGURE_OFF=	--disable-nls --without-libintl-prefix
 NLS_CONFIGURE_ON=	--with-libintl-prefix=${LOCALBASE}
 NLS_LDFLAGS=		-lintl