K 10
svn:author
V 6
rpaulo
K 8
svn:date
V 27
2010-08-17T13:02:08.046616Z
K 7
svn:log
V 255
Make sure any -U CFLAGS are not filtered out when calling mkdep, as
gnu/usr.bin/cc/libiberty first defines the PREFIX macro, and then
undefines it again, so mkdep with clang complains.

Submitted by:	Dimitry Andric <dimitry at andric.com>
Reviewed by:	ru

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