misc/180414: xlint should use $CC

[dt71]

>Number:         180414
>Category:       misc
>Synopsis:       xlint should use $CC
>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:   Tue Jul 09 18:10:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator:     dt71
>Release:        -CURRENT
>Organization:
>Environment:
FreeBSD  10.0-CURRENT FreeBSD 10.0-CURRENT #0 r252826M: Fri Jul  5 22:48:49 CEST 2013     root@:/usr/obj/usr/src/sys/CUSTOM  i386
>Description:
Building the world fails on a system where
- the cc binary is not available,
- the CC environment variable is not set, and
- the CC make variable is set to /path/to/clang.
>How-To-Repeat:
- Rename /usr/bin/cc to /usr/bin/hidden-cc,
- add "CC=/usr/bin/hidden-cc" to /etc/make.conf (but do not set the CC environment variable), and
- run "make buildworld".
>Fix:


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