On Fri, Sep 04, 2020 at 02:45:04PM +0300, Alexander Monakov wrote: > On Fri, 4 Sep 2020, Josef Wolf wrote: > > > So why won't the linker bail out when it can't resolve a reference? > > Any hints? > > You're linking with --gc-sections, and if all references to undefined functions > are in discarded sections, the linker won't complain. In other words, checking > for remaining undefined references happens after discarding unneeded sections. Thanks for the hint, Alexander! the problem was that this function was used in a different task which was not instantiated yet. =8-O -- Josef Wolf jw@xxxxxxxxxxxxx