ports: Add librsvg port

We use version 2.40.21 as that is the last version that does not need a
rust toolchain

ports/librsvg/build.sh

@@ -0,0 +1,15 @@
+#!/bin/bash ../install.sh
+
+NAME='librsvg' # last pre-rust version
+VERSION='2.40.21'
+DOWNLOAD_URL="https://download.gnome.org/sources/librsvg/${VERSION%.*}/librsvg-$VERSION.tar.xz#f7628905f1cada84e87e2b14883ed57d8094dca3281d5bcb24ece4279e9a92ba"
+DEPENDENCIES=('gdk-pixbuf' 'glib' 'libxml2' 'libcroco' 'cairo' 'pango')
+CONFIG_SUB=('config.sub')
+CONFIGURE_OPTIONS=(
+	'--disable-static'
+	'--enable-shared'
+	'--enable-pixbuf-loader'
+	'--disable-introspection'
+	'--disable-installed-tests'
+	'--disable-always-build-tests'
+)