misc/170215: [build] cd release; make cdrom should fail if not executed using new process

[Garrett Cooper]

>Number:         170215
>Category:       misc
>Synopsis:       [build] cd release; make cdrom should fail if not executed using new process
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Jul 27 16:00:18 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator:     Garrett Cooper
>Release:        9.0-STABLE
>Organization:
n/a
>Environment:
FreeBSD bayonetta.local 9.1-PRERELEASE FreeBSD 9.1-PRERELEASE #12 r238487M: Sun Jul 15 08:51:25 PDT 2012     gcooper at bayonetta.local:/usr/obj/store/freebsd/stable/9/sys/BAYONETTA  amd64
>Description:
More than a handful of people have lost a few hours time trying to create CD ISOs because they're using the old method of doing the release process (one example is: [1]).

1. http://lists.freebsd.org/pipermail/freebsd-current/2011-June/025326.html
>How-To-Repeat:
cd release; make cdrom
>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: