tree 70fa62638dc0dd292fa6773b39e35a1cebeba67c
parent 073000afbebeb302f1888f991f9a2d267a4347f3
author Jeroen Hofstee <jeroen@myspectrum.nl> 1406750091 +0200
committer Albert ARIBAUD <albert.u.boot@aribaud.net> 1410263460 +0200

cc-option: also detect unsupported warnings options

By default clang will echo a warning if a warning option is
unknown. Turning warnings into errors when polling for options
also catches such cases and prevents passing arguments to the
compiler which cause warnings.

cc: Masahiro Yamada <yamada.m@jp.panasonic.com>
cc: Tom Rini <trini@ti.com>
Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>