svn commit: r504088 - head/devel/gn

[Jan Beich]

Mark Linimon <linimon at FreeBSD.org> writes:

> Author: linimon
> Date: Thu Jun 13 12:53:20 2019
> New Revision: 504088
> URL: https://svnweb.freebsd.org/changeset/ports/504088
>
> Log:
>   Fix hardwired assumption that FreeBSD implies clang to fix build on
>   GCC-based systems.
>   
>   It wasn't clear to me how to pass environment variables to build/gen.py,
>   so this change seemed more straightforward.
>   
>   Approved by:	portmgr (tier-2 blanket)

Please, back out. powerpc64 was fixed in r504088.