news about default kernel compliers
bdubbs at swbell.net
Tue Jun 24 07:35:59 PDT 2003
>On Monday 23 June 2003 11:54 am, Steve Prior wrote:
>>I was wondering about compilers and Red Hat 8.0 - they seem to
>>use gcc 3.2 and I thought that was a no no for recompiling the
>>kernel, but they have no special notes (or an alternative
>>compiler) about doing so. Does anyone know if it is really OK
>>to rebuild a kernel with this level of the compiler?
>It depends on the platform. I would guesstimate that it's OK for
>x86 at this point, and the kernel developers are just being
>ultra-conservative in recommending 2.95.3 for x86.
>That recommendation doesn't apply to all platforms, though, and
>IIRC the kernel docs state that quite clearly. On some non-x86
>platforms, gcc3 is kind of a necessity to build a kernel. On
>Alpha, gcc-2.95.3 has a habit of ICEing when compiling SMP
>kernels. And for AMD64, I don't think gcc-2.x even exists...
At Usenix a couple of weeks ago, I asked Ted T'so what compiler to use
with the kernel and he told me gcc-3.2.
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