Getting rid of -fno-unit-at-a-time [Was Re: RFC: Preserving order of functions and top-level asms via cgraph]

[Daniel Kegel]

Daniel Jacobowitz wrote:
>>>>BTW, I hope -fno-unit-at-a-time doesn't go away until at least gcc-4.1.1
>>>>or so... I still lean on that crutch.
>>>
>>>A user!  Can you explain why?
>>
>>The x86-64 2.4 linux kernel uses it too, because some code relies on 
>>the ordering between asm and several functions.
>>Other Linux ports might be similarly affected. 2.6 is fixed, but the
>>fix is a bit too big to merge into a stable-nearly-dead tree like 2.4.
> 
> 
> Thanks.  I was under the impression that 2.4 doesn't build with GCC
> HEAD, anyway - I saw some patches pile up and not get applied.

I haven't tried.
Guess I'll add a linux-2.4-with-gcc-4.0 column to
http://kegel.com/crosstool/current/buildlogs/
to shed some light on this.