Moving toolchain to other host

[Rod Nussbaumer]

Hi all.

Because I have had no end of problems getting ct-ng to build toolchains 
on my normally designated development host (RHEL 4.X clone), I have 
created a Debian 5.02 host for the sole purpose of running ct-ng. This 
seems to work fabulously, so far, and I've been able to generate i686 
targeted and ARM targeted toolchains.  Me happy.
Now, the question is, can I move those toolchains over to my RHEL 4.X 
&/or RHEL 5.X host(s), in order to compile code to run on embedded 
targets? The Redhat boxes are presently running kernels version 2.6.9 & 
version 2.68.18. If I build against those kernel versions when I build 
the toolchain, does that buy me anything? What IS the upshot of changing 
kernel versions when building the toolchains? Can I/should I build a 
specific version of the C Library with the toolchains?
Now that I'm thinking about, I guess I would give myself the best chance 
by using versions of all compilers, libraries and kernels that match the 
versions on the RHEL sort-of target. I suppose that in some sense, I am 
making a Canadian cross, bu hoping to cheat and just copy the toolchains 
without targeting them to a different host type. Are there general rules 
about what object code is runnable on other OS versions?

    ---   rod.



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