New comment by tornaria on void-packages repository

https://github.com/void-linux/void-packages/pull/30032#issuecomment-901175916

Comment:
> @tornaria Thanks, I noticed that.
> Didn't you need `configure_args+=" --with-readline --with-gmp"` in pari to use with sage?

Not really, they are default on when `readline-devel` and `gmp-devel` are installed.

If you start our new gp (already in the void repo) you can see in the banner:
```
                                                                 GP/PARI CALCULATOR Version 2.13.2 (released)
                                                         amd64 running linux (x86-64/GMP-6.2.1 kernel) 64-bit version
                                                           compiled: Aug 15 2021, gcc version 10.2.1 20201203 (GCC)
                                                                          threading engine: pthread
                                                                (readline v8.1 enabled, extended help enabled)
```
Here gmp, readline are enabled. Also pthreads, which is required in sage starting in 9.4.