On Tue, Sep 11, 2012 at 3:08 PM, Marek Vasut wrote: > The GCC does not support this on blackfin, disable it. err, no, you're probably using gcc-4.5.x which didn't support -fstack-usage. that is not specific to Blackfin as gcc didn't add it until 4.6.x. why doesn't the cc-option check work ? -mike