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<h1>The nhc98 compiler</h1>
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<p>
<b>nhc98</b> is a small, easy to install, standards-compliant compiler
for <a href="http://www.haskell.org/"><em>Haskell 98</em></a>, 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.)
<p>
nhc98 is available for all Unix-like platforms (including
MacOS-X, Cygwin/Windows, Linux, Solaris, *BSD, AIX, HP-UX, Ultrix,
IRIX, etc.) Although it is itself written in standard Haskell 98,
it can be quickly and easily bootstrapped from C sources, so you do
not need another Haskell compiler to get started.
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nhc98 is currently restricted to 32-bit machine architectures, or 64-bit
machines that have a 32-bit compatibility mode.
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<center><b>about</b></center>
<dl>
<dd><a href="york-release.html">Why use <b>nhc98</b>?</a></dd>
<dd><a href="98.html">Compliance with Haskell 98.</a></dd>
<dd><a href="extensions.html">Language extensions.</a></dd>
<dd><a href="papers.html">Published papers.</a></dd>
<dd><a href="copyright.html">Copyright and licence information.</a></dd>
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<center><b>download/build/install</b></center>
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<dd><img src="new_tiny.gif" alt="new">
Version 1.20 released 22nd November 2007.</dd>
<dd><a href="download.html">Download <b>nhc98</b>.</a></dd>
<dd><a href="install.html">Build and/or install instructions.</a></dd>
<dd><a href="config.html">Configuration options.</a></dd>
<dd><a href="status.html">Recent changes.</a></dd>
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<center><b>user guides</b></center>
<dl>
<dd><a href="compiler-options.html">Compile-time options.</a></dd>
<dd><a href="runtime-options.html">Runtime-time options.</a></dd>
<dd><a href="errmsgs.html">Error messages.</a></dd>
<dd><a href="libraries.html">Libraries included with <b>nhc98</b>.</a></dd>
<dd><a href="ffi.html">Foreign function interface.</a></dd>
<dd><a href="limits.html">Implementation limits.</a></dd>
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<center><b>tools</b></center>
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<dd><a href="hmake/interactive.html">
<em>hi</em> - interactive development environment.</a></dd>
<dd><a href="hmake/index.html">
<em>hmake</em> - batch compilation tool.</a></dd>
<dd><a href="greencard-york.html">
<em>greencard</em> - C-interface tool.</a></dd>
<dd><a href="heapprof.html"><em>Heap profiling.</em></a></dd>
<dd><a href="tprof.html"><em>Time profiling.</em></a></dd>
<dd><a href="http://www.haskell.org/hat/">
<em>Hat</em>, tracing and debugging.</a></dd>
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<center><b>development</b></center>
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<dd><a href="bugs.html">Known bugs.</a></dd>
<dd><a href="todo.html">Wish list.</a></dd>
<dd><a href="implementation-notes/index.html">
Implementation notes for developers.</a></dd>
<dd><a href="contrib.html">Would you like to contribute?</a>
<dd><a href="darcs.html">Public darcs repository.</a></dd>
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<center><b>community</b></center>
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<dd><a href="maillist.html">
Mailing lists for all <b>nhc98</b> users.</a>
<dd><a href="http://haskell.org/mailman/listinfo">
More general Haskell mailing lists.</a>
<dd><a href="http://www.haskell.org/">
haskell.org</a></dd>
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<p>
If you have any problems, please send a message to the bug reports
mailing list at <a href="mailto:nhc-bugs@haskell.org">nhc-bugs@haskell.org</a>.
<hr>
<p>
The latest updates to these pages are available on the WWW from
<a href="http://www.haskell.org/nhc98/">
<tt>http://www.haskell.org/nhc98/</tt></a>
<p>
This page last modified: 23rd November 2007<br>
<a href="http://www.cs.york.ac.uk/fp/">
York Functional Programming Group</a><br>
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