if ! module_installed "$MODULE"; then
   message " ${PROBLEM_COLOR}Warning! The S3TC algorithm is patented." &&
   message " ${MESSAGE_COLOR}Please be aware of the patent law in your own country with respect to" &&
   message " using this code, as it is illegal in many places without a proper license.${DEFAULT_COLOR}" &&

   if ! query "Do you want to continue to install this module (y/n)? " n; then
      false
   fi
fi &&

default_pre_build
