Re: Building kenel error

[Brian Swetland <swetland@google.com>]

["Woodruff, Richard" <r-woodruff2@ti.com>]
> 
> > I never had success of using gcc-4.0.2 and later on 2.6.16/17 kernel.
> So
> > I just stick with the older gcc-3.4.1. Which version of tool chain are
> > you using for 2.6.16 or 2.6.17 kernel? Any advantages of using the
> later
> > version of the compiler?
> > Thanks,
> > kwan
> 
> We have to use several different versions.  Currently I use 3.4.0,
> 3.4.3, and 3.3.1 on older kernels.  On the latest kernels we will use
> 4.1.0.  We have built these, gotten them from a vendor, or gotten from
> www.codesourcery.com .
> 
> One of the main reasons for using CodeSourcery based tool chains is they
> provide newer ARM support though ARMv7 (including VFP & VFP2).  If you
> are doing gaming with the OMAP2 3d core it can provide a nice boost.

What is codegen and stability like?  I suffered through a number of
pre-3.x versions while working at Danger and have found the 3.3.x and
3.4.x toolchains to be pretty solid.  I had heard that the changes in 
4.x resulted in big improvements in x86 codegen but other platforms 
suffered a bit -- any truth to this?  New instruction set support is
very cool, but I'm curious how the baseline arm and thumb support has 
held up. 

Brian