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Getting started with hacking on GHC
So you've decided to hack on GHC, congratulations! We hope you have a
rewarding experience. This file will point you in the direction of
information to help you get started right away.
The GHC Developer's Wiki
The home for GHC Developers, with information on accessing the
latest sources, the bug tracker, and documentation on the
In particular, the wiki contains the following pages of interest to
new hackers:
Quick Start for developers
This section on the wiki will get you up and running with a
serviceable build tree in no time.
Don't skip this! By default, GHC builds with all optimizations
and profiling; most hackers will want a quicker build, so creating
a mk/ file and knowing how to rebuild only parts of GHC is
very important.
This is part of the "Building GHC" section of the wiki, which
has more detailed information on GHC's build system should you
need it.
Coding conventions
This wiki page explains the ground rules for code that is intended
to go into the mainline compiler source.
The GHC Commentary
Notes on the internals and architecture of GHC.
Mailing lists
Ask on if you have difficulties.
If you're working with the current darcs sources of GHC, then might be a more appropriate (developers hang
out here). See for
Happy Hacking! --The GHC Team