gmp-6.1.2: configure MPN_PATH="generic" fails on 64 bit

[Karsten Scheibler]

Hi,

Compiling gmp-6.1.2 on Ubuntu 16.04.4 (x86_64) with a ./configure works 
without problems.
But when trying to disable the assembly routines using:

./configure MPN_PATH="generic"

configure fails with the following error:

configure: error: no version of invert_limb_table found in path: generic

In contrast, when using 32 bit configure has no problems (make finishes 
without problems as well):

./configure ABI=32 MPN_PATH="generic" CFLAGS="-m32"

Furthermore, gmp-6.1.99-20180418 behaves the same.



Best wishes,
Karsten