stable GCC 3.4 configurations

[Andreas Bartelt <dragonflybsd@xxxxxxxxxx>]

Hi all,

I've just built a DragonFly_Stable system with gcc 3.4 using CPUTYPE=p4 
and -O2 optimization. The resulting kernel still bootet, but the overall 
system was very unstable and therefore unusable.

Are there any flags that are reasonable save for 'make buildworld' and 
'make buildkernel' with gcc 3.4?

Should different optimizations be used for buildworld and buildkernel to 
achieve best performance without sacrificing stability?

Regards,
Andreas