Re: RFC: drop support for gcc < 4.0

[Andi Kleen]

On Tue, Aug 21, 2007 at 07:35:50PM +0200, Adrian Bunk wrote:
> Obviously a gcc <= 3.4 [1], and therefore no unit-at-a-time.

Actually there are widely used 3.3 variants that support unit-at-a-time
(e.g. 3.3-hammer which was shipped by several distributions for some time)

There are still a lot of systems around which use gcc 3.3 (less so with
3.4). Unless there's a major bug that is hard to work around I would
prefer to keep it supported.

Bogus warnings should be relatively harmless.

> And it's becoming a real maintainance problem that not only this problem 
> but also other problems like some section mismatches [2] are only 
> present without unit-at-a-time.

The unit-at-a-time output order is not defined, so even if it works
with the current compiler a compiler change might still trigger
that problem. So it would be better to fix those anyways.

-Andi
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