anchor.diff:  , ungoogled ? false, ungoogled-chromium
   # Optional dependencies:
   , libgcrypt ? null # gnomeSupport || cupsSupport
  +, systemdSupport ? stdenv.isLinux
  +, systemd
   }:
   
   buildFun:
  
positive.code:       libusb1 re2
        ffmpeg libxslt libxml2
        nasm
        nspr nss systemd
        util-linux alsa-lib
        bison gperf libkrb5
        glib gtk3 dbus-glib
  
negative.code:       sed -i -e 's@"\(#!\)\?.*xdg-@"\1${xdg-utils}/bin/xdg-@' \
          chrome/browser/shell_integration_linux.cc
  
      '' + lib.optionalString systemdSupport ''
        sed -i -e '/lib_loader.*Load/s!"\(libudev\.so\)!"${lib.getLib systemd}/lib/\1!' \
          device/udev_linux/udev?_loader.cc
      '' + ''
        sed -i -e '/libpci_loader.*Load/s!"\(libpci\.so\)!"${pciutils}/lib/\1!' \
          gpu/config/gpu_info_collector_linux.cc
  
  