follow symlink when checking gcc arch
follow symlink when checking gcc arch

Change-Id: I7580afd2842acc6eb94c4d371353f3d500ce776c
Reviewed-on: http://gerrit.dechocorp.com/1889
Reviewed-by: Zach Wily <9de8c4480303b5335cd2a33eefe814615ba3612a@mozy.com>

mozy/mordor,cgaebel/mordor,cgaebel/mordor,adfin/mordor,mozy/mordor,ccutrer/mordor,mtanski/mordor,ccutrer/mordor,adfin/mordor,ccutrer/mordor,mozy/mordor,adfin/mordor,mtanski/mordor,mtanski/mordor