xen: added grub.d conf file, added python-2.7 support patch.

srcpkgs/xen/template

@@ -63,6 +63,10 @@ do_build()
 {
 	install -d ${DESTDIR}
 	cd ${DESTDIR} && ln -sf . install
+	if [ "${xbps_machine}" = "x86_64" ]; then
+		install -d ${DESTDIR}/usr/lib
+		cd ${DESTDIR}/usr && ln -s lib lib64 && cd ${wrksrc}
+	fi
 	cd ${wrksrc} && make ${makejobs} DISTDIR=${DESTDIR} xen tools
 }
 
@@ -78,6 +82,11 @@ do_install()
 	# Remove upstream xend and use our own.
 	rm -f ${DESTDIR}/etc/init.d/xend
 	install -m755 ${FILESDIR}/xend.rc ${DESTDIR}/etc/init.d/xend
+
 	# Remove unneeded stuff.
 	rm -f ${DESTDIR}/install ${DESTDIR}/usr/lib64
+
+	# Install grub2 Xen detection.
+	install -D -m755 ${FILESDIR}/grub.d_09_xen \
+		${DESTDIR}/etc/grub.d/09_xen
 }