Ah, now I get it. Thanks for the info!

On 20 March 2016 at 12:15, Nicolas Petton <nicolas@petton.fr> wrote:

> Bozhidar Batsov <bozhidar@batsov.com> writes:
>
> > I might be missing something here, but what exactly is so problematic -
> > there are packages that are in Emacs and on ELPA (e.g. cl-lib) and I
> don't
> > think they are taking any special measures.
>
> The problem is that seq.el (in Emacs) uses `pcase-defmacro', which does
> not exist in Emacs 24.5.  When byte-compiling the file, we get warnings
> as the byte compiler will think that `pcase-defmacro' is a function.
>
> The solution I'm going for is to define locally the macro (when
> byte-compiling the file in Emacs < 25), using something like the
> following:
>
>     (push `(pcase-defmacro . ,(lambda (&rest _) nil))
>           byte-compile-macro-environment)
>
> You can read more about the issue here:
> https://github.com/NicolasPetton/seq.el/issues/7
>
> Nico
> --
> Nicolas Petton
> http://nicolas-petton.fr
>