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

Vincent Lefevre vincent at
Sat Dec 10 00:17:31 UTC 2016

On 2016-12-09 22:29:18 +0100, Torbjörn Granlund wrote:
> Right.  The longlong.h file is shared among several GNU programs, but I
> long ago stopped trying to keep GMP's version easily usable outside of
> GMP.
> In particular, GMP's longlong.h requires various external functions, and
> the condition under which these are needed are part of the internals.
> This is a MPFR problem.  It is unfixable in GMP.

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.

Vincent Lefèvre <vincent at> - Web: <>
100% accessible validated (X)HTML - Blog: <>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)

More information about the gmp-bugs mailing list