Re: support of older compilers

From: Martin J. Bligh
Date: Thu Nov 04 2004 - 18:02:22 EST


>> > I didn't deny the speed difference of older and newer compilers.
>> >
>> > But why is this an issue when compiling a kernel? How often do you compile
>> > your kernel?
>>
>> First off, for some people that is literally where _most_ of the CPU
>> cycles go.
>
> So find a fast machine. As I have already said, you don't need to compile a
> kernel for a slow machine/arch *on* a slow machine/arch.
>
>> Second, it's not just that the compilers are slower. Historically, new gcc
>> versions are:
>> - slower
>
> Again, that's a straw man.
>
>> - generate worse code
>> - buggier
>
> I don't doubt these are issues. That's not what I am discussing.

Ummm. you asked why people don't use newer compilers, you were told exactly
why. How is that not what you're discussing?

Not breaking older compilers takes very little effort in practice. Why the
hell would you want to break compilation with then?

M.

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