Keyword flycheck-ocaml with :toggle instead of using a `when`

CHANGELOG.develop

@@ -1749,6 +1749,7 @@ Other:
 - Fixed issue with OPAM share directory on Windows (thanks to Levi Roth)
 - Enabled flycheck-ocaml (thanks to Dave Aitken)
 - Fixed backspace delete (thanks to Hasan Alirajpurwala)
+- Fixed flycheck-ocaml not initialized warning (thanks to Artur Juraszek)
 **** Org
 - Load org-mode email integration (mu4e/notmuch) when org is loaded
   (thanks to Steven Allen)

layers/+lang/ocaml/packages.el

@@ -14,7 +14,7 @@
         ;; auto-complete
         company
         flycheck
-        flycheck-ocaml
+        (flycheck-ocaml :toggle (configuration-layer/layer-used-p 'syntax-checking))
         ggtags
         counsel-gtags
         helm-gtags
@@ -32,18 +32,18 @@
       :modes merlin-mode
       :variables merlin-completion-with-doc t)))
 
-(when (configuration-layer/layer-used-p 'syntax-checking)
-  (defun ocaml/post-init-flycheck ()
-    (spacemacs/enable-flycheck 'tuareg-mode))
-  (defun ocaml/init-flycheck-ocaml ()
-    (use-package flycheck-ocaml
-      :if (configuration-layer/package-used-p 'flycheck)
-      :defer t
-      :init
-      (progn
-        (with-eval-after-load 'merlin
-          (setq merlin-error-after-save nil)
-          (flycheck-ocaml-setup))))))
+(defun ocaml/post-init-flycheck ()
+  (spacemacs/enable-flycheck 'tuareg-mode))
+
+(defun ocaml/init-flycheck-ocaml ()
+  (use-package flycheck-ocaml
+    :if (configuration-layer/package-used-p 'flycheck)
+    :defer t
+    :init
+    (progn
+      (with-eval-after-load 'merlin
+        (setq merlin-error-after-save nil)
+        (flycheck-ocaml-setup)))))
 
 (defun ocaml/post-init-ggtags ()
   (add-hook 'ocaml-mode-local-vars-hook #'spacemacs/ggtags-mode-enable))