Step 4 - makesum/checksum To create the distinfo file, we will execute the following command. $ make makesum ===> Checking files for iodine-0.4.0 `/usr/ports/distfiles/iodine-0.4.0.tar.gz' is up to date. $ To verify that the hashes are correctly written to the file we can use: $ make checksum ===> Checking files for iodine-0.4.0 `/usr/ports/distfiles/iodine-0.4.0.tar.gz' is up to date. >> (SHA256) iodine-0.4.0.tar.gz: OK $