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br
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2017-04-12T10:45:19.487957Z
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V 226
Include RISC-V target to universe build.

Check if RISC-V external toolchain package is installed,
otherwise skip build.

Reviewed by:	emaste
Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D10344

END