ghidra.buildGhidraExtension: improve compatibility with darwin

      preBuild = ''

        # Set project name, otherwise defaults to directory name

        echo -e '\nrootProject.name = "${pname}"' >> settings.gradle

        # A config directory needs to exist when ghidra's GHelpBuilder is run

        export XDG_CONFIG_HOME="''${XDG_CONFIG_HOME:-$(mktemp -d)}"

        ${args.preBuild or ""}

      '';

      # Needed to run gradle on darwin

      __darwinAllowLocalNetworking = true;

      gradleBuildTask = args.gradleBuildTask or "buildExtension";

      gradleFlags = args.gradleFlags or [ ] ++ [ "-PGHIDRA_INSTALL_DIR=${ghidra}/lib/ghidra" ];