PowerPC64 --no-pcrel-optimize

[Alan Modra]

On Mon, Aug 17, 2020 at 09:44:17AM -0700, Fangrui Song wrote:
> For newer options I suggest they have the EXACTLY_TWO_DASHES flag to
> avoid unnecessary collision with grouped short options.

Not a bad idea, but requires a little more infrastructure.  At the
moment target options are just a "struct option", without any means to
select whether they should be used with getopt_long or
getopt_long_only.

-- 
Alan Modra
Australia Development Lab, IBM