Difference between revisions of "Haskell Platform"

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{{HP}}
'''Haskell: Batteries Included'''
 
   
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The Haskell Platform is a single, standard [[Haskell]] development environment for everyone. It offers a set of blessed libraries and tools, to save you the task of picking and choosing which core Haskell libraries to use.
The Haskell Platform (HP) is the name of a proposed library set
 
that would be the minimum standard for Haskell library support on a
 
system.
 
   
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[http://haskell.org/platform/contents.html Learn more about the Haskell Platform ⇒]
More generally, if we want tools as well as libraries, then the simpler name
 
''Haskell Platform'' may be more appropriate.
 
   
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__TOC__
There are now more than 500 libraries available for Haskell, on
 
[http://hackage.haskell.org hackage]. Choosing which libraries to
 
support on a distro is currently done on an ad hoc basis, with
 
significant variation from one distribution to another.
 
   
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== What's in the platform ==
Some, such as Arch Linux, or Gentoo Linux, include as many libraries as
 
possible (typically over 400), while others have the bare minimum
 
required to build ghc and say, darcs and xmonad.
 
   
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See the official [http://www.haskell.org/platform/changelog.html Haskell Platform Changelog].
The Haskell community needs to provide direction and blessing to a
 
library set that should be available and adopted, to further encourage
 
Haskell use.
 
   
Ensuring that the chosen set of library versions works well together, and
 
with a particular version of GHC (and other tools), is a major goal.
 
   
== Discussion ==
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== Trouble shooting ==
   
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Report bugs on GitHub:
* [http://thread.gmane.org/gmane.comp.lang.haskell.cvs.ghc/28062/focus=28807 A discussion] took place in June and July 2008 about the direction of the HLP.
 
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[https://github.com/haskell/haskell-platform/issues Haskell Platform Issues].
* [http://haskell.org/~duncan/ghc/%23ghc-2008-07-16.log More occured during the #ghc meeting]
 
   
== Next Steps==
 
   
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=== Developers ===
The next step in the process:
 
   
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* New [https://github.com/haskell/haskell-platform/wiki/ Haskell Platform Wiki]
* Define admission progress: how does a package get into the HLP
 
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* Old [http://trac.haskell.org/haskell-platform/ Trac wiki]
* Sort out the release team
 
* Define the installation expectations
 
* Set up a bug tracker for the HLP project.
 
* Create a repo.
 
   
==Criteria==
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== Buttons ==
   
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We have some buttons to let your friends know about the Haskell Platform.
* GHC would build against its own core libraries, but would be generally distributed with the HLP.
 
   
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[http://haskell.org/platform http://raw.githubusercontent.com/haskell/haskell-platform/master/website/icons/button-100.png]
* The HLP should provide good coverage for all typical tasks one might want to accomplish with the language, given library availability.
 
   
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Use this html in your site:
* No bottlenecks: release of the HLP should be entirely independent from GHC, and also independent of the development cycle of any individual library or tool.
 
   
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<code>
===Quality Control===
 
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<nowiki>
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<a href="http://haskell.org/platform">
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<img src="http://raw.githubusercontent.com/haskell/haskell-platform/master/website/icons/button-100.png"></a>
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</nowiki>
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</code>
   
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[http://haskell.org/platform http://raw.githubusercontent.com/haskell/haskell-platform/master/website/icons/button-64.png]
* cabal-installable libraries with haddocks.
 
* The set of HP packages + core libs must be closed. That is all haskell dependencies must be from within the HP packages or core libs. Dependencies on C libs can be external.
 
* All packages in a particular HP version must have a consistent install plan.
 
That means only one version of each package and all dependencies on packages must be satisfied by the version in the HP package set.
 
   
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Use this html in your site:
There is code in cabal-install to check the last two requirements.
 
   
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<code>
Other possible ideas for quality standards we might want to require:
 
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<nowiki>
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<a href="http://hackage.haskell.org/platform">
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<img src="http://raw.githubusercontent.com/haskell/haskell-platform/master/website/icons/button-64.png"></a>
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</nowiki>
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</code>
   
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SVG source for the button: http://haskell.org/haskellwiki/Image:Button.svg
* exposed module names must follow the hierarchical module name convention, meaning they must be in an appropriate place in the module namespace.
 
   
== Current library set ==
 
   
===Core system===
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=== Icons ===
   
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Icons for the platform installer and desktop.
This will be on every system, as they're required for GHC to build:
 
   
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[[Image:Platform-100.png]]
* array
 
* base
 
* bytestring
 
* Cabal
 
* containers
 
* directory
 
* editline
 
* filepath
 
* haskell98
 
* hpc
 
* integer-gmp
 
* old-locale
 
* old-time
 
* packedstring
 
* pretty
 
* process
 
* random
 
* template-haskell
 
* unix OR Win32
 
   
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[[Image:Platform-64.png]]
===Extra libraries===
 
   
Current libraries available in the 'extralibs' bundle provided with GHC,
 
a descendent of what used to by fptools, with a few additions.
 
   
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=== Legal ===
* ALUT
 
* GLUT
 
* HUnit
 
* ObjectIO
 
* OpenAL
 
* OpenGL
 
* QuickCheck
 
* cgi
 
* fgl
 
* haskell-src
 
* html
 
* mtl
 
* network
 
* parsec
 
* parallel
 
* regex-base
 
* regex-compat
 
* regex-posix
 
* stm
 
* time
 
* xhtml
 
   
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* The cherry blossom image used in the 2011 HP release is [http://www.flickr.com/photos/28481088@N00/3291086383/ licensed CC by tanakawho]
== HLP: Batteries Included==
 
   
[[/Batteries_Included]]
 
   
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[[Category:HaskellPlatform]]
== Tools ==
 
 
Language-processing tools should probably also be considered to be part of the platform. Commonly-needed tools include:
 
 
* ghc
 
* happy
 
* alex
 
* haddock
 
* cpphs
 
* cabal-install (now known simply as cabal?)
 
 
What else might we consider?
 
 
* DrIFT or derive
 
* throw in another compiler - e.g. Hugs?
 
* c2hs
 
* hsc2hs
 
 
==Release mechanics==
 
 
==Public "Haskell Platform Compliant" list==
 
 
To encourage adoption of the HLP, distributions that support the HLP
 
will be publically listed as e.g. "Haskell Platform Compliant"
 
 
 
==History==
 
 
* fptools
 
* extralibs/ core libs
 
 
== Related ==
 
 
* [http://docs.python.org/lib/lib.html Python libraries]
 
* [http://live.gnome.org/ReleasePlanning Gnome's release process]
 
* [http://live.gnome.org/ReleasePlanning/ModuleProposing How to propose modules for GNOME]
 
 
[[Category:Community]]
 

Revision as of 14:34, 11 August 2014

Platform.png
The Haskell Platform


The Haskell Platform is a single, standard Haskell development environment for everyone. It offers a set of blessed libraries and tools, to save you the task of picking and choosing which core Haskell libraries to use.

Learn more about the Haskell Platform ⇒

What's in the platform

See the official Haskell Platform Changelog.


Trouble shooting

Report bugs on GitHub: Haskell Platform Issues.


Developers

Buttons

We have some buttons to let your friends know about the Haskell Platform.

button-100.png

Use this html in your site:

<a href="http://haskell.org/platform"> <img src="http://raw.githubusercontent.com/haskell/haskell-platform/master/website/icons/button-100.png"></a>

button-64.png

Use this html in your site:

<a href="http://hackage.haskell.org/platform"> <img src="http://raw.githubusercontent.com/haskell/haskell-platform/master/website/icons/button-64.png"></a>

SVG source for the button: http://haskell.org/haskellwiki/Image:Button.svg


Icons

Icons for the platform installer and desktop.

Platform-100.png

Platform-64.png


Legal