Versioning mess proved!!!

[Philip Blundell]

>Uli, actually I think your patch broke this, WEAK_GMON_START was never 
>defined for PPC, we always had the dummy weak __gmon_start__() routine which 
>Philips patch removed. Can we really change this without breaking binary 
>compatibility?

I thought Geoff said at the time that PPC worked OK without the dummy weak 
definition.  What's the actual issue that breaks it?

p.