Re: [bug-gawk] macOS: mpfrsqrt check fails on gawk-4.2-stable and master branches

[Andrew J. Schorr]

On Thu, Feb 08, 2018 at 09:00:58PM +0100, Hermann Peifer wrote:
> Maybe I am doing something terribly wrong, but I do not get any debug
> info in the output, after applying your intdiv_debug.patch. And I have
> done it twice: using a fresh git clone, then patching, then building. Is
> mpz_conv() never executed, on my side?
> 
> $ echo
> 123456790123456790123456790123456790123456790123456790123454320987654320987654320987654320987654320987654320987654321
> 1234567901234567901234567901234567901234567901234567901234 |
> AWKLIBPATH=extension/.libs ./gawk -M -l intdiv '{printf "%d\n", $1/$2;
> intdiv($1, $2, r); print r["quotient"]}'
> 99999999999999997168788049560464200849936328366177157906432
> 99999999999999997168788049560464200849936328366177157906432

Hmmm. Something is terribly wrong. I think this means that MPFR is not working
at all. I get the same result when I run this without the -M flag:

bash-4.2$ echo 
123456790123456790123456790123456790123456790123456790123454320987654320987654320987654320987654320987654320987654321
 1234567901234567901234567901234567901234567901234567901234 | 
AWKLIBPATH=extension/.libs ./gawk  -l intdiv '{printf "%d\n", $1/$2; intdiv($1, 
$2, r); print r["quotient"]}'
99999999999999997168788049560464200849936328366177157906432
99999999999999997168788049560464200849936328366177157906432

This suggests to me that your intdiv extension was not actually compiled
with MPFR enabled. Please share the output from this command:
   grep -i mpfr extension/config.log

Regards,
Andy