[Thanks to Don Syme for noticing within 10 seconds of my posting the
previous announcement that the URLs had the wrong version number]

             The Glasgow Haskell Compiler -- version 4.08

We are pleased to announce a new release of the Glasgow Haskell
Compiler (GHC), version 4.08.  The source distribution is freely
available via the World-Wide Web and through anon. FTP; details below.

Haskell is "the" standard lazy functional programming language; the
current language version is Haskell 98, agreed in December 1998.
Haskell related information is available from the Haskell home page at


GHC's Web page lives at


+ What's new

This should be a stable release.  There have been many enhancements
since 4.06, and shed-loads of bug-fixes (one shed (imperial) ~ one ton

There are the following changes

   - New profiling subsystem, based on cost-centre stacks.

   - Working x86 native code generator: now it works properly, runs
     about twice as fast as compiling via C, and is on a par for
     run-time speed (except in FP-intensive programs).

   - Implicit parameters (i.e. dynamic scoping without the pain).

   - DEPRECATED pragma for marking obsolescent interfaces.

   - In the wake of hslibs, a new package system for
     libraries. -package should now be used instead of -syslib.

   - Result type signatures work.

   - Many tiresome long-standing bugs and problems (e.g. the trace
     problem) have been fixed.

   - Many error messages have been made more helpful and/or

For full details see the release notes:


+ Mailing lists

We run mailing lists for GHC users and bug reports; to subscribe, send
mail to [EMAIL PROTECTED]; the msg body should be:

    subscribe glasgow-haskell-{users,bugs} Your Name <[EMAIL PROTECTED]>


    subscribe cvs-ghc Your Name <[EMAIL PROTECTED]>

Please send bug reports about GHC to [EMAIL PROTECTED];
GHC users hang out on [EMAIL PROTECTED]  Bleeding
edge CVS users party on [EMAIL PROTECTED]

+ On-line GHC-related resources

Relevant URLs on the World-Wide Web:

GHC home page             http://www.haskell.org/ghc/
Haskell home page         http://www.haskell.org/
comp.lang.functional FAQ  http://www.cs.nott.ac.uk/~gmh/faq.html

+ How to get it

The easy way is to go to the WWW page, which should be


Once you have the distribution, please follow the pointers in the
README file to find all of the documentation about this release.  NB:
preserve modification times when un-tarring the files (no `m' option
for tar, please)!

+ System requirements

To compile the sources, you need a machine with 32+MB memory, GNU C
(`gcc'), `perl' plus a version of GHC installed (3.02 at least).  This
release is known to work on the following platforms:

  * i386-unknown-{linux,freebsd,netbsd,cygwin32,mingw32}
  * sparc-sun-{sunos4,solaris2}
  * hppa1.1-hp-hpux{9,10}

Ports to the following platforms should be relatively easy (for a
wunderhacker), but haven't been tested due to lack of time/hardware:

  * i386-unknown-solaris2
  * alpha-dec-osf{2,3}
  * mips-sgi-irix{5,6}
  * {rs6000,powerpc}-ibm-aix

The builder's guide included in distribution gives a complete
run-down of what ports work; an on-line version can be found at


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