[PATCH] add uClibc target hook (PR bootstrap/77819)

Bernd Schmidt bschmidt@redhat.com
Tue Oct 4 14:54:00 GMT 2016

On 10/04/2016 04:34 PM, Martin Sebor wrote:
> I copied the conditional from config/linux.h but I admit I don't
> fully understand when the macro is defined.

AFAICT it's done in config.gcc, for a limited set of targets.

> Should I still remove it from targhooks.c?

That is compiled for all targets, not just for those which define the 
macro, so yes.

> Yes, the glibc and uclibc hooks are the same.  I don't know what
> the convention is for these target hooks (i.e., whether they are
> expected to be duplicated across targets even if they are the
> same to reduce the risk of breaking one target as a result of
> changing another, or whether duplication should be avoided even
> at this risk).  From your comment it sounds like it should be
> the latter and I'm okay with that.

There's arguments for both. In this particular case I don't see a strong 
reason not to have a general hook available.


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