Configure Options: Many configure options are given in the configure.ac file in the source, some of which are: --enable-mbedtls --enable-mhash --enable-nettle --enable-nss --enable-polarssl --enable-caja --enable-nautilus --enable-nemo --enable-thunar The above configuration options are present in the SlackBuild and commented out; users can enable them according to their needs. Note: If using Thunar one can run the script like ./THUNAR=yes gtkhash.SlackBuild to enable the GtkHash Thunar extension. Using with Thunar: Thunar's Custom Action feature can be used (Thunar -> Edit -> Configure Custom Action) to create a custom action in the menu for checking the md5sum. Sample values: (Basic Tab) Name: Check md5sum Command: gtkhash %f (Appearence Tab) File Pattern: *.*z* Appears if: Other Files