Torbjorn Granlund <tege at swox.com> writes: With 99% probability, this is a compiler bug. Well, I think it is actually an issue with the ABI and popcount.asm, i.e. a GMP bug. The probabilities suddenly changed quite a bit. :-/ I need to see the output of the configure run, not config.status, but its screen output. -- Torbjörn