Merge pull request #36885 from obsidiansystems/meta-host-prepare

treewide: Prepare for #34444

pkgs/misc/jackaudio/default.nix

@@ -15,7 +15,7 @@
 with stdenv.lib;
 let
   inherit (python2Packages) python dbus-python;
-  shouldUsePkg = pkg: if pkg != null && stdenv.lib.any (x: x == stdenv.system) pkg.meta.platforms then pkg else null;
+  shouldUsePkg = pkg: if pkg != null && pkg.meta.available then pkg else null;
 
   libOnly = prefix == "lib";