Merge pull request #52413 from mat8913/vagrant-libvirt

vagrant: build and install vagrant-libvirt plugin

pkgs/development/ruby-modules/gem-config/default.nix

@@ -23,7 +23,7 @@
 , cmake, libssh2, openssl, mysql, darwin, git, perl, pcre, gecode_3, curl
 , msgpack, qt59, libsodium, snappy, libossp_uuid, lxc, libpcap, xorg, gtk2, buildRubyGem
 , cairo, re2, rake, gobject-introspection, gdk_pixbuf, zeromq, graphicsmagick, libcxx, file
-, libselinux ? null, libsepol ? null
+, libselinux ? null, libsepol ? null, libvirt
 }@args:
 
 let
@@ -314,6 +314,14 @@ in
     buildInputs = [ imagemagick which ];
   };
 
+  ruby-libvirt = attrs: {
+    buildInputs = [ libvirt pkgconfig ];
+    buildFlags = [
+      "--with-libvirt-include=${libvirt}/include"
+      "--with-libvirt-lib=${libvirt}/lib"
+    ];
+  };
+
   ruby-lxc = attrs: {
     buildInputs = [ lxc ];
   };