WITHOUT_USB set in src.conf allow to compile usb kernel modules (umass,umodem,uscanner etc...)
Fix: Change src/sys/modules/Makefile to doesn't include usb related module or device.
Patch also apply on src/tools/build/mk/OptionalObsoleteFiles.inc for make delete-old* feature.
Patch attached with submission follows:
How-To-Repeat: Set WITHOUT_USB to yes, make buildworld
For bugs matching the following criteria:
Status: In Progress Changed: (is less than) 2014-06-01
Reset to default assignee and clear in-progress tags.
Mail being skipped
OptionalObsoleteFiles.inc was fixed in FreeBSD 12.