>  It's not a valid option for ld.  It *is* a valid option for the collect2
> driver/wrapper executable that gcc uses to invoke ld, which suggests to me
> that the AVR port must be configured not to build collect2, but that it is
> going to need to do so if it wants to use LTO/WHOPR.  See use_collect2 in
> gcc/config.gcc

Or you could port gold to AVR and use the plugin :-)

>    cheers,
>      DaveK
>

Cheers,
-- 
Rafael Ávila de Espíndola

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