hash of mpz_t and mpq_t

[Hans Åberg]

> On 17 Jun 2021, at 15:24, Torbjörn Granlund <tg at gmplib.org> wrote:
> 
>> Oh, yeah, that is "an issue" with GMP: You need to tell configure what
>> you want if it does not happen to be the default already.
>> 
>> Terrible, really terrible.
> 
>  Especially on a system where the default is already installed.
> 
> Surely you have a suggestion to make both the optional feature A and not
> A true for a precompiled library.  Please let us know.

Are they installed with different names?