building gmp-6.1 for s390 (31-bit) w/asm disabled failing with undefined sdiv_qrnnd

paul zimmermann Paul.Zimmermann at
Wed Dec 14 21:07:49 UTC 2016


> From: tg at (Torbjörn Granlund)
> Date: Wed, 14 Dec 2016 21:33:10 +0100
> Vincent Lefevre <vincent at> writes:
>   I suppose that if one doesn't use the macros that depend on
>   GMP internals, there should be no problems. In particular,
>   udiv_qrnnd is not used, unless the user configured MPFR to use
>   the GMP internals, but then that's the user's own problems.
> There is a symbol LONGLONG_STANDALONE which mpfr might want to use.
> It is documented in longlong.h's header.

it is already included in mpfr-impl.h:

$ grep -C 3 LONGLONG_STANDALONE src/mpfr-impl.h 
# include "mpfr.h"
# include "mpfr-gmp.h"
#  include "mpfr-longlong.h"
# endif

Therefore the issue with undefined sdiv_qrnnd was because the corresponding
code was not protected by #ifdef LONGLONG_STANDALONE?


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