[Python-modules-team] Bug#800392: Bug#800392: Bug#800392: Bug#800392: python-numpy: FTBFS on powerpc due to test failure

[Emilio Pozuelo Monfort]

On Thu, 1 Oct 2015 21:13:04 +0100 Sandro Tosi <morph at debian.org> wrote:
> > those certainly should work, forgot about them.
> > you should be able to login to a powerpc porterbox and check.
> > cat test.c
> > __POWERPC__
> > gcc -E test.c
> 
> i tried with something like this:
> 
> $ cat t.c
> #ifdef __POWERPC__
> #ifndef NDEBUG
> // disable asserts malloc broken
> // https://sourceware.org/bugzilla/show_bug.cgi?id=6527
> #define NDEBUG
> #endif
> #endif
> 
> #define PY_SSIZE_T_CLEAN
> 
> $ gcc -E t.c
> # 1 "t.c"
> # 1 "<built-in>"
> # 1 "<command-line>"
> # 1 "/usr/include/stdc-predef.h" 1 3 4
> # 1 "<command-line>" 2
> # 1 "t.c"
> 
> I guess the output means the __POWERPC__ is not recognized right?
> 
> I slightly changed your patch to use the same macro as in npy_cpu; if
> even that one fails, for teh benefit of the transition I will disable
> the failure for tests and will address it in due time

I think what you want is:

#if defined(__powerpc__) & !defined(__powerpc64__)
// disable asserts...
#endif

Otherwise if you only check for __powerpc__ (and/or similars, e.g. __ppc__) you
will also disable the asserts on ppc64 / ppc64el.

Cheers,
Emilio