- The Glasgow Haskell Compiler -- version 4.06
- ==============================================
-We are pleased to announce a new release of the Glasgow Haskell
-Compiler (GHC), version 4.06. The source distribution is freely
-available via the World-Wide Web and through anon. FTP; details below.
+ The (Interactive) Glasgow Haskell Compiler -- version 5.00
+ ============================================================
-Haskell is "the" standard lazy functional programming language; the
+We are pleased to announce a new major release of the Glasgow Haskell
+Compiler (GHC), version 5.00. The source distribution is freely
+available via the World-Wide Web and through anon. FTP, under a
+BSD-style license. See below for download details. Pre-built
+packages for Linux, FreeBSD, Solaris and Win32 are also available.
+
+Haskell is a 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
- http://www.haskell.org/
+GHC is a state-of-the-art programming suite for Haskell. Included is
+an optimising compiler generating good code for a variety of
+platforms, together with an interactive system for convenient, quick
+development. The distribution includes space and time profiling
+facilities, a large collection of libraries, and support for various
+language extensions, including concurrency, exceptions, and foreign
+language interfaces (C, C++, whatever).
+
+A wide variety of Haskell related resources (tutorials, libraries,
+specifications, documentation, compilers, interpreters, references,
+contact information, links to research groups) are available from the
+Haskell home page at
+
+ http://www.haskell.org/
GHC's Web page lives at
- http://www.haskell.org/ghc/
+ http://www.haskell.org/ghc/
+
-+ What's new
-=============
-This should be a stable release. We have not made major changes
-since 4.04 to the core compiler, but we have fixed lots of bugs.
-We believe that 4.06 is in a nice stable well-tested state. (Ha!)
+ What's new
+============
-Apart from that, there are the following changes
+5.00 has been majorly revamped since the previous stable version, 4.08.2.
+This should be a stable release. Major changes since 4.08.2 are:
- - Major library reorganisation. All libraries, except the ones that
- are part of the Haskell 98 *language* specification, have moved to
- fptools/hslibs/. The hslibs tree is independent of GHC, shared between
- GHC, Hugs, and (we hope) other Haskell implementations.
- The idea is to make it easier for people to contribute and maintain
- libraries.
+ - An interactive system, similar in style to Hugs. You can interactively
+ load and unload modules, run expressions, ask the types of things.
+ Module dependencies are tracked and chased automatically.
+ Combinations of compiled and interpreted modules may be used.
+ All the GHC libraries are available in interactive mode, as are
+ most of the Glasgow extensions to Haskell 98. Compilation in
+ interactive mode (to bytecode) is about three times faster than
+ compiling to object code.
- The hslibs/ tree is organised in a Java-like fashion. Details in
- the new Library guide:
- http://www.haskell.org/ghc/docs/4.06/hslibs/book1.html
+ - Batch compilation of multiple modules at once, with automatic
+ dependency chasing. For large programs this can halve compilation
+ times, and removes the need for Makefiles.
- Existing programs that use the -syslib flag may need to change which
- syslibs they include.
+ - Enhanced package (library) management system. Packages may be
+ installed and removed from an installation using the ghc-pkg tool.
- - Support for "foreign export dynamic".
+ - Initial Unicode support - the Char type is now 31 bits.
- - Clean up of concurrent I/O system; in particular, I/O is now non-blocking,
- except (alas) on stdout/stderr for tiresome reasons.
+ - Sparc native code generator, giving much faster compilation on sparcs.
+ (Native code generation for x86s has been available for a while).
- - Some refinements to the exceptions mechanism:
- http://www.haskell.org/ghc/docs/4.06/users_guide/release-notes-406.html#exc-changes-406
+ - Improved heap profiling - you can restrict heap profiles
+ by type, closure description, cost centre, and module.
- - More performance tuning: compiled programs now allocate 10% less memory
- than 4.04
+ - Support for the latest Foreign Function Interface (FFI)
+ proposals. Marcin Kowalczyk's hsc2hs tool is included.
+
+ - Language extensions: parallel list comprehensions and functional
+ dependencies.
+
+ - The usual huge collection of bug fixes. Most reported bugs have
+ been fixed.
For full details see the release notes:
- http://www.haskell.org/ghc/docs/4.06/users_guide/release-notes-406.html
+ http://www.haskell.org/ghc/docs/5.00/set/release-5-00.html
-+ Mailing lists
-================
-We run mailing lists for GHC users and bug reports; to subscribe, send
-mail to majordomo@haskell.org; the msg body should be:
- subscribe glasgow-haskell-<which> Your Name <your-email@where.you.are>
+ How to get it
+===============
-Please send bug reports about GHC to glasgow-haskell-bugs@haskell.org ; GHC
-users hang out on glasgow-haskell-users@haskell.org
+The easy way is to go to the WWW page, which should be
+self-explanatory:
+ http://www.haskell.org/ghc/
-+ On-line GHC-related resources
-================================
+We supply binary builds in the native package format for various
+flavours of Linux and BSD, and in InstallShield form for Windows
+folks. Everybody else gets a .tar.gz which can be installed where you
+want.
-Relevant URLs on the World-Wide Web:
+Once you have the distribution, please follow the pointers in the
+README file to find all of the documentation about this release.
-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/Department/Staff/mpj/faq.html
-+ How to get it
-================
+ On-line GHC-related resources
+===============================
-The easy way is to go to the WWW page, which should be
-self-explanatory:
+Relevant URLs on the World-Wide Web:
- http://www.haskell.org/ghc/
+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
-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
-======================
+ System requirements
+=====================
-To compile up this source-only release, 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:
+To compile programs with GHC, you need a machine with 32+MB memory, GNU C
+and perl. This release is known to work on the following platforms:
- * i386-unknown-{linux,solaris2,freebsd,netbsd,cygwin32}
- * sparc-sun-{sunos4,solaris2}
- * hppa1.1-hp-hpux{9,10}
+ * i386-unknown-{linux,freebsd,mingw32}
+ * sparc-sun-solaris2
-Ports to the following platforms should be relatively easy, but
-haven't been tested due to lack of time/hardware:
+Ports to the following platforms should be relatively easy (for a
+wunderhacker), but haven't been tested due to lack of time/hardware:
+ * hppa1.1-hp-hpux{9,10}
+ * 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
+run-down of what ports work; an on-line version can be found at
+
+ http://www.haskell.org/ghc/docs/5.00/building/building-guide.html
+
+
+
+ Mailing lists
+===============
+
+We run mailing lists for GHC users and bug reports; to subscribe, use
+the web interfaces at
+
+ http://www.haskell.org/mailman/listinfo/glasgow-haskell-users
+ http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs
+
+There are several other haskell and ghc-related mailing lists on
+www.haskell.org; for the full list, see
+
+ http://www.haskell.org/mailman/listinfo/
+
+Please report bugs using our SourceForge page at
+
+ http://sourceforge.net/projects/ghc/
+
+or send them to glasgow-haskell-bugs@haskell.org.
- http://www.haskell.org/ghc/docs/4.06/building_guide/installing.html
+GHC users hang out on glasgow-haskell-users@haskell.org. Bleeding
+edge CVS users party on cvs-ghc@haskell.org.