ADD haskell flycheck mode to integrate better with cabal/stack

etc/conf.org

@@ -1083,10 +1083,16 @@ I have also found this to be much simpler and conflicting with other packages su
                 ;; local completions in 'where' and 'let' clauses
                 '((company-capf company-dabbrev-code))))
 
+  ;; flycheck setup (needed to get flycheck to pay attention to flags/extensions
+  ;; in cabal files)
+  (use-package flycheck-haskell
+    :straight t)
+
   (use-package haskell-mode
     :straight t
     :hook ((haskell-mode . origami-mode)
            (haskell-mode . company-mode)
+           (haskell-mode . flycheck-haskell-setup)
            (haskell-mode . haskell-indentation-mode)
            ;; this enables better integration with the running GHCi process
            ;; NOTE this is NOT the same is haskell-interactive-mode which is used
@@ -1115,15 +1121,13 @@ I have also found this to be much simpler and conflicting with other packages su
 
   ;; unnecessary to see on the modeline
   (delight 'subword-mode nil "subword"))
+
 #+END_SRC
 **** hlint
 This is an additional syntax checker and requires the =hlint= binary.
 #+BEGIN_SRC emacs-lisp
-(nd/require-bin "hlint" :aur "hlint-bin")
-
-(nd/when-bin "hlint"
-  (with-eval-after-load 'haskell
-    (flycheck-add-next-checker 'haskell-stack-ghc '(t . haskell-hlint))))
+(with-eval-after-load 'haskell
+  (flycheck-add-next-checker 'haskell-stack-ghc '(t . haskell-hlint)))
 #+END_SRC
 **** helper functions
 Other helper functions that make haskell even more fun.