Re: PATCH: 2 stage BFD linker for LTO plugin

["H.J. Lu" <hjl dot tools at gmail dot com>]

On Mon, Dec 6, 2010 at 3:54 PM, Ian Lance Taylor <iant@google.com> wrote:
> Alan Modra <amodra@gmail.com> writes:
>
>> On Mon, Dec 06, 2010 at 09:57:14AM -0800, H.J. Lu wrote:
>>> Personally, I think 2 stage linking is one way to fix this issue.
>>
>> Ian has stated that he thinks this is a really bad idea. ?I haven't
>> approved the patch because I value Ian's opinion, and can see why he
>> thinks it is the wrong way to go. ?On the other hand, BFD is full of
>> bad ideas.. ?I'm not strongly opposed to your patch myself.
>
> Why don't we spend a short amount of time fixing these relatively minor
> issues in lto-plugin without going all the way to two-stage linking?

The issues may be "relatively minor".  But proper fix without
two-stage linking may be quite tricky.

> Both Cary and I made several suggestions for how to do this.

Fixing all known/unknown issues may not be easy without
two-stage linking.  With two-stage linking, everything just works.


-- 
H.J.