Use gcc 4.0 to build glibc on all architectures

[Aurelien Jarno <aurelien@aurel32.net>]

Hi all,

A few Debian architectures, are still using and old gcc to build the 
glibc. I think we should try to move slowly to gcc 4.0, as other
versions (mainly gcc-3.4), won't be supported as gcc 4.0 will be. Also
I have hurd they've been some discussions about shipping etch without
gcc-3.4.

Here is the current status:

- amd64, arm, alpha, i386, ia64, s390, mips, mipsel and sparc are 
  already using gcc 4.0.

- powerpc is using gcc 3.4, with a few workaround to some bugs
  (nptl/ppc64 built with -g2). 
  I have tried to build a glibc (2.3.6) with gcc 4.0, and I am using it
  for a week now. I haven't found any problem, but I am not able to test
  the ppc64 version (I only have a 32-bit machine). 
  Goto, it's seems you decided to switch to gcc-3.4 for powerpc in 
  version 2.3.5-2. Did you remember why?

- hppa is using gcc 3.4 because of bugs #326581 and #333766. 
  I have tried to build a glibc with gcc 4.0, and found that bug#333766 
  is now fixed. As for bug#326581, it is still present, I will try to 
  fix the problem.

- m68k is using gcc 3.4. As I don't have such a machine, I will try to
  contact the glibc porters to get more information.

- hurd-i386 is using gcc 3.3. I will contact the hurd porters the same
  way as for m68k.

Bye,
Aurelien

-- 
  .''`.  Aurelien Jarno	            | GPG: 1024D/F1BCDB73
 : :' :  Debian developer           | Electrical Engineer
 `. `'   aurel32@debian.org         | aurelien@aurel32.net
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