# File ext/RMagick/extconf.rb, line 81
def check_partial_imagemagick_versions()
   prefix = config_string("prefix")
   matches = [
     prefix+"/lib/lib?agick*",
     prefix+"/include/ImageMagick",
     prefix+"/bin/Magick-config",
   ].map do |file_glob|
     Dir.glob(file_glob)
   end
   matches.delete_if { |arr| arr.empty? }
   if 0 < matches.length and matches.length < 3
      msg = "\nWarning: Found a partial ImageMagick installation. Your operating system likely has some built-in ImageMagick libraries but not all of ImageMagick. This will most likely cause problems at both compile and runtime.\nFound partial installation at: "+prefix+"\n"
      Logging::message msg
      message msg
   end
end