Re: success building powerpc-405 & powerpc-750 using kernel 2.6.6

[Daniel Kegel <dank at kegel dot com>]

Ankur Sheth wrote:
> FYI : We were able to build a version of the toolchain for powerpc-405 &
> powerpc-750 using crosstool-0.28-rc19.   It worked right out of the box for
> using gcc-3.3.3-glib-2.3.2.dat.  It also worked right away when we changed
> the Linux kernel version to 2.6.6 instead of 2.4.24.  So the final versions
> of the various tools in our toolchain are as follows :-
> 	- gcc 3.3.3
> 	- glibc 2.3.2
> 	- binutils 2.15
> 	- Linux kernel 2.6.6
>
> We were also able to run the regression tests on both.  I've attached the
> summaries for both with this email.  

Excellent!   (What, no sh4? :-)
But hang on, the failures on ppc750 for the following tests

gcc.c-torture/execute/920501-8.c
gcc.c-torture/execute/930513-1.c
gcc.c-torture/execute/980709-1.c
gcc.c-torture/execute/990826-0.c
gcc.c-torture/execute/ieee/920810-1.c
gcc.c-torture/execute/struct-ret-1.c
26_numerics/complex_inserters_extractors.cc
26_numerics/complex_value.cc
27_io/ostream_inserter_arith.cc

(essentially anything that failed for ppc750 but not ppc405)
seem suspicious.  Can you have a look at the detailed test log
(buried in build-gcc/gcc/testsuite/...) for those tests,
or maybe run a couple of them by hand, and see what's failing?

It might be worth trying gcc-3.4.0 or gcc-3.4.1, by the way.
It's pickier, but you might notice improved performance
(especially if you can turn on the profile driven optimization!).
Plus it has a bunch more testcases.

(Finally, if you get a chance, do future runs with crosstool-0.28-rc24,
it's nearly final)

> ps. Many thanks to Dan for crosstool, it helped us a lot.

And many thanks to Ixia for getting me started on crosstool!  Without
Ixia, I would have remained blissfully unaware of how painful it was
to build a cross-compiler :-)
- Dan

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