bug#13650: Emacs pretest 24.2.93 - compilation error on AIX 5.3 using gcc 4.7-2

[Gilles Pion]

> OK, thanks, I can reproduce that problem on Fedora 17 x86-64,
> by manually editing src/config.h so that it says
> "#define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE".
> My guess is that a GCPRO is missing somewhere.  Ouch.
>
> We won't detect that on typical hosts since GCPROs are noops.
> There's a chance that GCPROs can be noops on AIX, too, so
> please try what you did before, with the same patch and:
>
> make distclean
> ./configure CPPFLAGS='-DDATA_START=0x20000000 -DDATA_SEG_BITS=0x20000000'
>
> But then manually edit src/config.h to change this line:
>
> #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
>
> to this:
>
> #define GC_MARK_STACK GC_MAKE_GCPROS_NOOPS
>
> before you do "make".
>

YESSSSS

Superb!

It Worked!

Emacs on AIX will survive  (just hoping not being  the last one in the
galaxy using that combo)

-- 
Gilles