Custombuild does need gmake, but will try to install it with dpkg -r or ports if It is missing. If necessary: pkg install gcc gmake perl5 wget bison flex cyrus-sasl cmake python autoconf libtool libarchive iconv bind911 mailx webalizer gettext-runtime udns sudo psmisc tar openssl krb5 You can utilize the https://awslinuxsupport45555.arwebo.com/49128490/how-much-you-need-to-expect-you-ll-pay-for-a-good-aws-linux-support