I tried it but to no avail. Still got the same error. I removed ghc-init from my config, just in case, and still have the problem

Will post on haskell-mode ML…

Arnaud

On 20 Apr 2014, at 16:28, Zsolt Dollenstein <zsol.zsol@gmail.com> wrote:

Have you tried M-x haskell-process-unignore?

On Sun, Apr 20, 2014 at 10:20 AM, Arnaud Bailly <arnaud.oqube@gmail.com> wrote:

This is what I have in my cabal file:

library

    hs-source-dirs: ., fay-shared

    exposed-modules: Application

                     Foundation

 

but I keep getting same error when loading a file that depends on the fay-shared directory (please not that command-line building with cabal runs fine so this is definitely an issue with my emacs settings).

Here is the output I got in haskell interpreter when loading a file that depends on fay-shared/SharedTypes.hs:

GHCi is ignoring: /home/vagrant/yesod-splittest/.ghci (run M-x haskell-process-unignore)                                                                                                                    

The next big Haskell project is about to start!

If I break, you can:

  1. Restart:           M-x haskell-process-restart

  2. Configure logging: C-h v haskell-process-log (useful for debugging)

  3. General config:    M-x customize-mode

  4. Hide these tips:   C-h v haskell-process-show-debug-tips

Changed directory: /home/vagrant/yesod-splittest/

Import.hs:18:18-28: Could not find module `SharedTypes' …                                                                                                                                                   

    Use -v to see a list of the files searched for.                                                                                                                                                         

Compilation failed.                                                                                                                                                                                         

Import.hs:18:18-28: Could not find module `SharedTypes' …                                                                                                                                                   

    Use -v to see a list of the files searched for.                                                                                                                                                         

Compilation failed.                                                                                                                                                                                         

λ> 

Thanks

Arnaud

 

On 19 Apr 2014, at 13:05, Andras Slemmer <0slemi0@gmail.com> wrote:

If you're using several source directories then simply specify them in your .cabal with hs-source-dirs. So for example if you have a library in src/lib and a test-suite in src/test and your tests use your lib then you'd have something like this in your .cabal

library

  exposed-modules: Lib

  hs-source-dirs: src/lib

test-suite sometest
  type:           exitcode-stdio-1.0
  main-is:        Test.hs
  hs-source-dirs: src/test src/lib

On 18 April 2014 16:20, Arnaud Bailly <arnaud.oqube@gmail.com> wrote:

Hello,

I am struggling to get my emacs settings right for doing significant Haskell development, eg. something more involved than a bunch of source files in a single directory. The issue I am running in currently is that when trying to load files in the interpreter, most source paths are missing which means loading inevitably fails. This is especially annoying with tests: To get things working correctly I need to explicitly add in the console

> :set -iwhere/my/src/are

Is there any configuration I should be aware of in my cabal files or .emacs file that would correctly set the source roots? Am I missing something?

Here is my .emacs configuration. Thanks for any help.

;; haskell coding                                                                                                                                                                                           

(require 'auto-complete)

(require 'haskell-mode)

(require 'haskell-cabal)

(autoload 'ghc-init "ghc" nil t)

(add-hook 'haskell-mode-hook (lambda () (ghc-init)))

(eval-after-load "haskell-mode"

  '(progn

     (setq haskell-stylish-on-save t)

     (setq haskell-process-args-cabal-repl '("--ghc-option=-ferror-spans"

               "--with-ghc=ghci-ng"))

     (define-key haskell-mode-map (kbd "C-,") 'haskell-move-nested-left)

     (define-key haskell-mode-map (kbd "C-.") 'haskell-move-nested-right)

     (define-key haskell-mode-map (kbd "C-c v c") 'haskell-cabal-visit-file)

     (define-key haskell-mode-map (kbd "C-c C-c") 'haskell-compile)

     (define-key haskell-mode-map (kbd "C-x C-d") nil)

     (setq haskell-font-lock-symbols t)

     ;; Do this to get a variable in scope                                                                                                                                                                  

     (auto-complete-mode)

     ;; from http://pastebin.com/tJyyEBAS                                                                                                                                                                   

     (ac-define-source ghc-mod

       '((depends ghc)

         (candidates . (ghc-select-completion-symbol))

         (symbol . "s")

         (cache)))

     (defun my-ac-haskell-mode ()

       (setq ac-sources '(ac-source-words-in-same-mode-buffers

                          ac-source-dictionary

                          ac-source-ghc-mod)))

     (add-hook 'haskell-mode-hook 'my-ac-haskell-mode)

     (defun my-haskell-ac-init ()

       (when (member (file-name-extension buffer-file-name) '("hs" "lhs"))

         (auto-complete-mode t)

         (setq ac-sources '(ac-source-words-in-same-mode-buffers

                            ac-source-dictionary

                            ac-source-ghc-mod))))

     (add-hook 'find-file-hook 'my-haskell-ac-init)))

(add-hook 'haskell-mode-hook 'turn-on-haskell-decl-scan)

(add-hook 'haskell-mode-hook 'turn-on-haskell-indentation)

(eval-after-load "which-func"

  '(add-to-list 'which-func-modes 'haskell-mode))

(eval-after-load "haskell-cabal"

    '(define-key haskell-cabal-mode-map (kbd "C-c C-c") 'haskell-compile))

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