if [ -f ${currentWorkDir}/patches/Makefile.in.gstreamer.tab.diff.gz ]; then
  ( cd docs
    ( cd libs
      zcat ${currentWorkDir}/patches/Makefile.in.gstreamer.tab.diff.gz | patch -p0 --verbose
    )
    ( cd plugins
      zcat ${currentWorkDir}/patches/Makefile.in.gstreamer.tab.diff.gz | patch -p0 --verbose
    )
  )
fi