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nhc98 is a small, easy to install, standards-compliant compiler for Haskell 98, the lazy functional programming language. It is very portable, and aims to produce small executables that run in small amounts of memory. It produces medium-fast code, and compilation is itself quite fast. It also comes with extensive tool support for automatic compilation, foreign language interfacing, heap and time profiling, tracing, and debugging. (Some of its advanced kinds of heap profiles are not found in any other Haskell compiler.) It supports the new common primitive FFI (Foreign Function Interface), and includes the most advanced space-profiling facilities of all Haskell implementations. Most importantly, it allows graphical debugging of programs using both Hat and HOOD. nhc98 is available for all 32-bit Unix-like platforms. Although it is itself written in standard Haskell 98, it can be quickly and easily be bootstrapped from C sources, so you do not need another Haskell compiler to get started.


Download version 1.18 (stable)
released on 15 March 2005



LicenseVerified byVerified onNotes
GPLv2orlaterTed Teah21 September 2006

Leaders and contributors

Malcolm Wallace Maintainer

Resources and communication

Audience Resource type URI
Bug Tracking E-mail
Help E-mail
Bug Tracking VCS Repository Webview
Developer VCS Repository Webview
Bug Tracking E-mail
Help E-mail

Software prerequisites

Kind Description
Required to use gcc
Required to use gmp

This entry (in part or in whole) was last reviewed on 21 September 2006.


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

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