You do that yourself? Because even if you have set curl to yes in options.conf still the OS version will be used since a short while ago.as Curl is installed from source
exclude=apache* httpd* mod_* mysql* MySQL* mariadb* da_* *ftp* exim* sendmail* php* bind-chroot*
exclude=apache* httpd* mod_* mysql* MySQL* mariadb* da_* *ftp* exim* sendmail* php* bind-chroot* curl*