SublimeLinter 3 plugin for Haskell, using ghc -Wall.
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This linter plugin for SublimeLinter provides an interface to ghc. It will be used with files that have the “Haskell” syntax.


SublimeLinter 3 must be installed in order to use this plugin. If SublimeLinter 3 is not installed, please follow the instructions here.

Linter installation

Before using this plugin, you must ensure that ghc is installed on your system. To install ghc, you can install haskell-platform which includes ghc or ghc itself. Follow the instructions on their websites to install. haskell-platform is available on many package managers, for example brew update; brew install haskell-platform on Mac OS X.

Linter configuration

In order for ghc to be executed by SublimeLinter, you must ensure that its path is available to SublimeLinter. Before going any further, please read and follow the steps in “Finding a linter executable” through “Validating your PATH” in the documentation.

Once ghc is installed and configured, you can proceed to install the SublimeLinter-ghc plugin if it is not yet installed.

Plugin installation

Please use Package Control to install the linter plugin. This will ensure that the plugin will be updated when new versions are available. If you want to install from source so you can modify the source code, you probably know what you are doing so we won’t cover that here.

To install via Package Control, do the following:

  1. Within Sublime Text, bring up the Command Palette and type install. Among the commands you should see Package Control: Install Package. If that command is not highlighted, use the keyboard or mouse to select it. There will be a pause of a few seconds while Package Control fetches the list of available plugins.

  2. When the plugin list appears, type ghc. Among the entries you should see SublimeLinter-ghc. If that entry is not highlighted, use the keyboard or mouse to select it.


For general information on how SublimeLinter works with settings, please see Settings. For information on generic linter settings, please see Linter Settings.


If you would like to contribute enhancements or fixes, please do the following:

  1. Fork the plugin repository.
  2. Hack on a separate topic branch created from the latest master.
  3. Commit and push the topic branch.
  4. Make a pull request.
  5. Be patient. ;-)

Please note that modications should follow these coding guidelines:

  • Indent is 4 spaces.
  • Code should pass flake8 and pep257 linters.
  • Vertical whitespace helps readability, don’t be afraid to use it.

Thank you for helping out!