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

      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 ];

    };

  };