Re: [Xen-devel] xen-2.0 & gcc4

[Nils Toedtmann <xen-devel@xxxxxxxxxxxxxxxxxx>]

Thanks for the fast answer!

Am Mittwoch, den 29.06.2005, 15:00 +0100 schrieb Keir Fraser:
> On 29 Jun 2005, at 14:32, Nils Toedtmann wrote:
> 
> > is xen-2.0.6 or xen-2.0-testing supposted to compile with gcc4 (FC4)?
> > They actually don't.
> 
> We use gcc-3.2.x and 3.3.x ourselves. We accept patches to unstable to 
> keep the build working with gcc4 

So the answer is "no" (no prob for me, now i can stop trying ;-)

> but even then, I've seen weird crashes 
> (e.g., dom0 unable to even reach a boot prompt) that I have never 
> observed when building with gcc3.

... me too ... interested in crashing gcc4-compiled dom0 kernels?

> In short: I recommend you to install a gcc3-series compiler and build 
> with that. It's very easy to do and then you're on the same page as us.

That's what i'm doing. On FC4 it's "yum install compat-gcc-32", "export
CC=gcc32", but i also hat to strip "-mtune=pentium4" from "OPT" in 
/usr/lib/python2.4/config/Makefile (part of FC4's python-devel-2.4.1-2).
It costed me one year of my life to find out ... is there a way to strip
this from CFLAGS already in xen-2.0-testing/tools/python/{Makefile|
setup.py}?

/nils.


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