Cask support for Flycheck
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Make Flycheck use Cask packages in Cask projects.

A Cask project is denoted by the existence of a Cask file at the top of the source code tree. For Emacs Lisp files in such projects, this extension enables flycheck-emacs-lisp-initialize-packages and set flycheck-emacs-lisp-package-user-dir so that Flycheck picks up the dependencies of the project when checking Emacs Lisp files.


As usual, from MELPA and MELPA Stable.

In your Cask file:

(source gnu)
(source melpa)

(depends-on "flycheck-cask")

In your init.el:

(eval-after-load 'flycheck
  '(add-hook 'flycheck-mode-hook #'flycheck-cask-setup))


Just use Flycheck as usual in Cask projects.


  • M-x customize-group RET flycheck-cask


This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see

See COPYING for details.