perlPackages.ExtUtilsPkgConfig: fix pkg-config use for cross (#397047)

pkgs/top-level/perl-packages.nix

···
       hash = "sha256-u+rO2ZXX2NEM/FGjpaZtpBzrK8BP7cq1DhDmMA6AHG4=";
     };
     nativeBuildInputs = [ buildPackages.pkg-config ];
-    propagatedBuildInputs = [ pkgs.pkg-config ];
+    propagatedNativeBuildInputs = [ pkgs.pkg-config ];
     postPatch = ''
       # no pkg-config binary when cross-compiling so the check fails
       substituteInPlace Makefile.PL \
         --replace "pkg-config" "$PKG_CONFIG"
+      # use correctly prefixed pkg-config binary
+      substituteInPlace lib/ExtUtils/PkgConfig.pm \
+        --replace-fail '`pkg-config' '`${stdenv.cc.targetPrefix}pkg-config' \
+        --replace-fail '"pkg-config' '"${stdenv.cc.targetPrefix}pkg-config' \
+        --replace-fail '/pkg-config' '/${stdenv.cc.targetPrefix}pkg-config'
     '';
     doCheck = false; # expects test_glib-2.0.pc in PKG_CONFIG_PATH
     meta = {
       description = "Simplistic interface to pkg-config";
+      homepage = "https://gitlab.gnome.org/GNOME/perl-extutils-pkgconfig";
       license = with lib.licenses; [ lgpl21Plus ];
+      maintainers = [ lib.maintainers.fliegendewurst ];
     };
   };