New comment by kawaiiamber on void-packages repository

https://github.com/void-linux/void-packages/pull/28657#issuecomment-777095680

Comment:
> ```
> # Used by the gstutils test
> gmp_dep = cc.find_library('gmp', required : false)
> cdata.set('HAVE_GMP', gmp_dep.found())
> gsl_dep = cc.find_library('gsl', required : false)
> gslcblas_dep = cc.find_library('gslcblas', required : false)
> cdata.set('HAVE_GSL', gsl_dep.found() and gslcblas_dep.found())
> test_deps = [gmp_dep, gsl_dep, gslcblas_dep]
> ```
> 
> 
> These are test dependencies only. Might make sense to add to `checkdepends`, I guess.

Ah, I see. `gsl-devel` and `gmp-devel` should be moved to `checkdepends` then. I imagine `valgrind-devel` should remain in `makedepends`?