Restore the ability to use clang as an external compiler. This was
authorPeter Grehan <grehan@FreeBSD.org>
Wed, 18 Feb 2015 19:27:51 +0000 (19:27 +0000)
committerPeter Grehan <grehan@FreeBSD.org>
Wed, 18 Feb 2015 19:27:51 +0000 (19:27 +0000)
commit784b6cd5e95df258eab273f2b4f29566d73525d5
treea3b2178d08724df72621d92da5253a97e9f932c7
parente8577fb489cfcf475d9ab58e3e0e74756c776505
Restore the ability to use clang as an external compiler. This was
inadvertently removed when support for external GCC was added.

Deprecate XFLAGS in favour of the newer XCFLAGS/XCXXFLAGS.

Tested with: make universe, make CROSS_COMPILER_PREFIX=/usr/bin/ buildworld
Reviewed by: imp, bapt
Makefile.inc1