message: rsvg binaries are needed to convert svg to png while producing dmg on macos
diff: @@ -437,6 +437,7 @@ case $host in
  AC_PATH_TOOL([INSTALLNAMETOOL], [install_name_tool], install_name_tool)
  AC_PATH_TOOL([OTOOL], [otool], otool)
  AC_PATH_PROGS([GENISOIMAGE], [genisoimage mkisofs],genisoimage)
  + AC_PATH_PROGS([RSVG_CONVERT], [rsvg-convert rsvg],rsvg-convert)
  AC_PATH_PROGS([IMAGEMAGICK_CONVERT], [convert],convert)
  AC_PATH_PROGS([TIFFCP], [tiffcp],tiffcp)
  