Try #1667:

Author: iohk-bors[bot]

lib/pkgconf-nixpkgs-map.nix

@@ -5583,7 +5583,7 @@ pkgs:
     "zzipfseeko" = [ "zziplib" ];
     "zziplib" = [ "zziplib" ];
     "zzipmmapped" = [ "zziplib" ];
-}) //
+} // pkgs.haskell-nix.extraPkgconfigMappings) //
   lookupAttrsIn pkgs.xorg {
     # Adding xlibsWrapper since it was used here beofre.
     # Putting libX11 first though so it can be used to get the version
@@ -5742,4 +5742,4 @@ pkgs:
       else if pkgs ? gdk_pixbuf
         then [ pkgs.gdk_pixbuf ]
       else [];
-}
+}

overlays/haskell.nix

@@ -11,6 +11,8 @@ final: prev: {
         # overlays.
         defaultModules = [];
 
+        # TODO: doc etc
+        extraPkgconfigMappings = {};
         # Nix Flake based source pins.
         # To update all inputs, get unstable Nix and then `nix flake update --recreate-lock-file`
         # Or `nix-shell -p nixUnstable --run "nix --experimental-features 'nix-command flakes' flake update --recreate-lock-file"`