C Development with Emacs

Recently I spent some time customising my Emacs config again. Playing around with different ways of improving your productivity by adjusting Emacs is a great way of loosing any and all productivity you might have had. It is such a fun way of wasting your time, there’s even a little scene around just that activity. This can take quite elaborate forms with people posting their Emacs init.el configuration files in literal programming style based on org-mode‘s org-babel. This is more useful than it might sound, e.g. I stole a lot from Sacha’s config.

I also recently spent a bit more time again writing C99 code making many calls to FLINT – Fast Library for Number Theory. The FLINT coding style requires that pretty much each function should have its own file which I am sure is great for something. However, for me it means that have I have to open a lot of files all over the FLINT library when I care about implementation details and not just definitions. Also, your vanilla Emacs setup won’t display those signatures when you try to write a call to those functions from your code or give you auto-completion for all functions starting with, say, fmpz_poly_set_.

Alas, here is my current setup which rectifies most of my grievances.

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