Help flycheck find project root

Joel Grunbaum

2021-12-10 8dba697a2c9e3b5c9f0fcb45e155adb6243ad609

Help flycheck find project root

 config.org

@@ -960,7 +960,8 @@


** Language specific configs

*** C/C++

**** Flycheck clang

**** Flycheck

***** Flycheck clang

Add the clang backend for linting.

#+BEGIN_SRC emacs-lisp

  (use-package flycheck-clang-analyzer

@@ -971,6 +972,23 @@
      (require 'flycheck-clang-analyzer)

       (flycheck-clang-analyzer-setup)))

#+END_SRC

***** Flycheck project root

Flycheck tends to fail finding the project root, giving errors about missing files.

This should remove them.

#+BEGIN_SRC emacs-lisp

  (defun setup-flycheck-project-path ()

    (let ((root (ignore-errors (projectile-project-root))))

      (when root

        (add-to-list

         (make-variable-buffer-local 'flycheck-clang-include-path)

         root)

        (add-to-list

         (make-variable-buffer-local 'flycheck-gcc-include-path)

         root))))



  (add-hook 'c-mode-hook 'setup-flycheck-project-path)

  (add-hook 'c++-mode-hook 'setup-flycheck-project-path)

#+END_SRC



**** COMMENT Company

Add header completion as well as Irony, which uses clang for suggestions.