Ed Maste ddd96d231d Build gperf only if we're using g++ (not clang++)
gperf is used as a build tool for g++ and is not needed for Clang
architectures. Ports and third-party software that need it can use the
up-to-date devel/gperf port.

PR:		194103 (exp-run)
Reviewed by:	bapt
Sponsored by:	The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D886
2014-10-09 23:05:31 +00:00
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