GMP 5.0.5 build fails with tcc due to x86_64 asm (unknown register...)

[Torbjorn Granlund]

Vincent Lefevre <vincent at vinc17.net> writes:

  Not to remove it, but to make it *optional*, i.e. to have a fallback
  in C.
  
Excellent proposal.  Implemented in GMP since the beginning...

  Here it doesn't work with tcc. If you had a fallback in C, things
  would be fine.

Please see the manual for how to exercise the fallback.

(Silently disabling assembly for incapable compilers seem like a very
poor idea.)

-- 
Torbjörn