K 10
svn:author
V 6
gerald
K 8
svn:date
V 27
2021-01-30T15:15:01.073740Z
K 7
svn:log
V 431
In some cases one may want to use GCC to build something when its
runtimes or GCC at runtime are not required.

Introduce an optional argument for USE_GCC that indicates GCC is
only required at build time.

Examples for the new syntax are USE_GCC=yes:build, USE_GCC=9:build,
or USE_GCC=11+:build.

Submitted by:	Fabian Freyer <fabian.freyer@physik.tu-berlin.de>
PR:		211154
Differential Revision:	https://reviews.freebsd.org/D7223

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