K 10
svn:author
V 6
brooks
K 8
svn:date
V 27
2013-10-31T14:07:00.178930Z
K 7
svn:log
V 420
MFC r256915

Stop conflating WITHOUT_CLANG with WITHOUT_CLANG_IS_CC.  This allows
bootstrapping a copy of clang without building clang for the base system

which is useful for nanobsd and similar setups.  It's still probably
wrong to conflate what is installed as /usr/bin/cc with the selection
of a bootstrap compiler under WITH*_CLANG_IS_CC, but that's for another
day.

Sponsored by:	DARPA/AFRL
Approved by:	re (gjb)

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