Hi Veera,

thanks for the patch!

I have a few suggestions:

On Mon, 30 Mar 2020 10:52:23 +0530
R Veera Kumar <vkor@vkten.in> wrote:

> +(define-public libqalculate
> +  (let ((commit "90b52e685c1b0575558c5dd449dde71c313d084a")
> +        (revision "1"))

According to github[1], this seems to be the tag "v3.8.0".

> +      (version (git-version "3.8.0" revision commit))

... so please just use (version "3.8.0")

> +               (commit commit)

... and (commit (string-append "v" version))

> +         ("automake" ,automake)
> +         ("autoconf" ,autoconf)

It's unusual to need those in a release.  Why are they necessary?

> +      (arguments
> +       `( #:phases
> +         (modify-phases %standard-phases
> +           (delete 'bootstrap) ;; fails in autogen.sh
> +           (add-before 'configure 'autogen

Why not just (replace 'bootstrap
 ...
) ?

>+      (synopsis "Multi-purpose cli desktop calculator and library")
> +      (description
> +       "Libqalculate is a multi-purpose cli desktop calculator and library.
> +It provides basic and advanced functionality.  Features include customizable
> +functions, unit calculations, and conversions, physical constants, symbolic
> +calculations (including integrals and equations), arbitrary precision,
> +uncertainity propagation, interval arithmetic, plotting and a user-friendly
> +cli.")

Maybe mention that this is the library, not the program.

[1] https://github.com/Qalculate/libqalculate/releases