Update of Bill's toolchain script for gcc-3.3

[Dan Kegel]

I've modified Bill Gatliff's script as follows:
* modified to only handle glibc for simplicity (a similar script could be done for newlib)
* modified to work around quirks I ran into while building for newer tools like gcc-3.3
* autodownloads the source from the appropriate site(s)
* autoapplies any patches you like based on tool and version (a few I needed are included)
* split apart so you could use it on cvs directories
* interactive section removed -- that should be in a separate script
   that invokes the ones I have
* demo added showing how to build four different ppc toolchains
   and one sh4 toolchain

This isn't fully tested - heck, I haven't even run through my demo
script all the way since I last edited it - but it's close enough
to be worth posting.  At the very least it'll make it easier for
other people to reproduce the problems I've been running into :-)

It's at http://www.kegel.com/crossgcc/crosstool-0.1.tar.gz

Oh, and the sh4 toolchain's c++ compiler suffers from
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3774
at the moment.  Suggestions welcome.

- Dan

-- 
Dan Kegel
http://www.kegel.com
http://counter.li.org/cgi-bin/runscript/display-person.cgi?user=78045


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