crosstool-0.28-pre12: a few x86_64 and Mac OS X fixes

[Dan Kegel <dank at kegel dot com>]

Snapshot at
    http://kegel.com/crosstool/crosstool-0.28-pre12.tar.gz
I haven't run it all the way through on Mac OS X on gcc-2.95.3-glibc-2.1.3
yet, but it's awful close.

ChangeLog:

0.28-pre12
     crosstool.sh:
     * use right --host argument on binutils and glibc; fixes x86_64 build
     * move --enable-clocale=gnu to gcc configure (d'oh)
     * use own copy of config.guess instead of relying on gcc's

     portability:
     * use -g0 when invoking patch to keep it from checking CVS or Perforce
     * update glibc-2.1.3's config.sub to avoid warnings on newer systems
     * copied patches/linux-2.4.24/linux-2.4-bsd-expr.patch to
       patches/linux-2.4.21/linux-2.4-bsd-expr.patch for Mac OS X's benefit
     * update gcc-2.95.3's config.sub so we can build on newer systems
     * patches/{gcc-2.95.3,binutils-2.11.2}/gcc-pr3106.patch fixes compile
       failure on Mac OS X
     * patches/gcc-2.95.3/backport-config.gcc-{1.4,1.92}.patch
       fix compile failures on Mac OS X and x86_64

--
My technical stuff: http://kegel.com
My politics: see http://www.misleader.org for examples of why I'm for regime change

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