debian-haskell October 2004

debian-haskell@lists.urchin.earth.li

5 participants
12 discussions

ANN: haskell-devscripts (plus various updates)
by John Goerzen 24 Oct '04

24 Oct '04

Hello, My haskell-devscripts package has finally been accepted into sid. This package provides one binary, dh_haskell, that is designed to help build Debian packages out of Haskell libraries. It is not designed to help with Haskell binaries, since those tend to be far easier. There is a fairly complete manpage, but in a nutshell, dh_haskell automatically figures out which flavors to build for (ghc5, ghc6, and hugs are supported) based on which binary packages are listed in your control file. It then calls the cabal in the appropriate manner to build them. It also handles postinst/prerm scripts for the ghc flavors to register/unregister packages as appropriate. nhc98 is not yet supported because cabal does not yet support it. ghc5 may presently be broken in cabal for some pacakages. In other notes: * haskell-cabal (libghc6-cabal-dev) has been accepted into sid. Isaac Jones and I have agreed that he will take over maintenance of it in sid. I have uploaded 0.1-4.1 that sets the maintainer to him and builds with the latest ghc. The package is now his. * darcs-load-dirs is now available. It is used to import non-version-controlled sources into a darcs repository. It is an extension of my tla-load-dirs program to support darcs. * hunit (libghc6-hunit-dev, libhugs-hunit-dev) has been accepted into sid. I am successfully using it already. It has been cabalized and builds with haskell-devscripts. * MissingH (libghc6-missingh-dev, libhugs-missingh-dev) has been accepted into sid. I am successfully using this package already as well. This is my library of utility functions and modules for Haskell. I have completed an FTP module for it and will be posting this shortly. I have cabalized it from the start and it builds with haskell-devscripts. * Of my ITPs, hsshellscripts and hsql are not yet in sid. I have a working hsshellscript package already, just need to finish it. Haven't started on hsql yet. All this can take up to 24 hours to propogate to the various sid mirrors. -- John Goerzen Author, Foundations of Python Network Programming http://www.amazon.com/exec/obidos/tg/detail/-/1590593715

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Bug#276716: ITP: hsshellscript -- Utilities for shell-like scripting in Haskell
by John Goerzen 15 Oct '04

15 Oct '04

Package: wnpp Severity: wishlist * Package name : hsshellscript Version : 2.0.1 Upstream Author : Volker Wysk <post(a)volker-wysk.de> * URL : http://www.volker-wysk.de/hsshellscript/ * License : LGPL Description : Utilities for shell-like scripting in Haskell This is HsShellScript, a library which enables you to use Haskell for tasks which are typically done by shell scripts. -- System Information: Debian Release: 3.1 APT prefers unstable APT policy: (500, 'unstable') Architecture: i386 (i686) Kernel: Linux 2.6.7 Locale: LANG=C, LC_CTYPE=en_US

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Status update
by John Goerzen 07 Oct '04

07 Oct '04

The following have been uploaded to Sid: HUnit [ghc6 and hugs], built with dh_haskell MissingH [ghc6 and hugs], built with dh_haskell haskell-devscripts (nominal support for all 4 environments, but cabal situation restricts it to ghc6 and hugs for now) dh_haskell is in this package. Cabal [ghc6 only] My last upload was -4. Isaac is taking it over and will make all future uploads. I have not yet gotten around to HSQL. I hope to get it tomorrow. Thanks, John -- John Goerzen Author, Foundations of Python Network Programming http://www.amazon.com/exec/obidos/tg/detail/-/1590593715

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haskell-devscripts available
by John Goerzen 06 Oct '04

06 Oct '04

Hi, I have uploaded haskell-devscripts to sid. If you want to get a peek at it before ftpmasters approve it, you can download a .deb from http://quux.org/devel. From the dh_haskell manpage: DESCRIPTION dh_haskell is a debhelper program that helps with building Haskell libraries. It does several things. It can generat postinst and prerm scripts when necessary. It automates building libraries for the different supported Haskell systems in Debian. It generates substvars for your control file so that the library packages depend on the appropriate packages. In short, it can drive the entire process. REQUIREMENTS dh_haskell assumes that your packages are adhering to the draft Haskell policy. Your control file must build the binary library files using packages named libtype-name-dev, where type is ghc5, ghc6, nhc98, or hugs; and name is the name of your pack- age. dh_haskell figures out how to build your package based on the type. dh_haskell assumes that the Haskell Cabal (see www.haskell.org/cabal) can be used to build your package. It obtains package name and version information from the Cabal Setup.Description file. HOW TO PACKAGE A HASKELL LIBRARY Start from a basic debian/ directory. Add entries to Build-Depends for haskell-devscripts and the compilers for any binaries you will build. In the clause in control for each binary package, make sure to add ${haskell:Depends} to the Depends: line. In rules, in the install target, add dh_haskell. Your build and configure targets should be empty. Remember that you should add -a to all debhelper calls for multi-binary packages. That goes for dh_haskell too. That's it. dh_haskell does the rest. EXAMPLE See the Debian source package for missinh, version 0.1.1 or above. BUGS ghc6 and ghc5 are the only supported targets at the moment. Cabal does not yet support hugs and nhc98 has not yet been tested. Note, though, that ghc5 may not work with Cabal at present.

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Bug#275218: ITP: haskell-devscripts -- Tools to help Debian developers build Haskell packages
by John Goerzen 06 Oct '04

06 Oct '04

Package: wnpp Severity: wishlist * Package name : haskell-devscripts Version : 0.5.0 Upstream Author : John Goerzen <jgoerzen(a)complete.org> * URL : N/A (will be maintained in Debian only) * License : GPL Description : Tools to help Debian developers build Haskell packages This package provides a collection of scripts to help build Haskell packages for Debian. Unlike haskell-utils, this package is not expected to be installed on the machines of end users. . This package is designed to support Cabalized Haskell libraries. It is designed to build a library for each supported Debian compiler or interpreter, generate appropriate postinst/prerm files for each one, generate appropriate substvars entries for each one, and install the package in the Debian temporary area as part of the build process. (Include the long description here.) -- System Information: Debian Release: 3.1 APT prefers unstable APT policy: (500, 'unstable') Architecture: i386 (i686) Kernel: Linux 2.6.7 Locale: LANG=C, LC_CTYPE=en_US

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Use of ghc & ghc-pkg in maintainer scripts
by John Goerzen 06 Oct '04

06 Oct '04

This should probably go into the policy. I've seen this mistake a couple of times. /usr/bin/ghc and /usr/bin/ghc-pkg are managed by the alternatives system on Debian. That means that when you call ghc or ghc-pkg, you do NOT know whether you are getting ghc5 or ghc6. This has these implications: 1. It is ALWAYS wrong to call ghc or ghc-pkg in postinst/prerm/etc. scripts. Doing that runs the risk of registering your library/package with the wrong ghc installation. 2. It is USUALLY wrong to call ghc or ghc-pkg in debian/rules and related scripts, or to permit Cabal or other build systems to call ghc or ghc-pkg, since you do not know which version of ghc it will get. Exceptions are when you genuinely do not care whether something is built with ghc5 or ghc6. Possible workarounds: 1. *Prepend* the appropriate /usr/lib/ghc-*/bin directory to PATH -- then you can safely use ghc and ghc-pkg, knowing the appropriate bins will be called. 2. Explicitly call ghc5 or ghc6 (or ghc-pkg-5.x.x or ghc-pkg-6.x.x) 3. Build-Conflict or Conflict with the compiler you do not want to use -- John

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Bug#275069: ITP: haskell-cabal -- Haskell Common Architecture for Building Applications and Libraries
by John Goerzen 06 Oct '04

06 Oct '04

Package: wnpp Severity: wishlist * Package name : haskell-cabal Version : 0.1 Upstream Author : Isaac Jones <ijones(a)syntaxpolice.org> * URL : http://www.haskell.org/cabal * License : BSD Description : Haskell Common Architecture for Building Applications and Libraries The Haskell Cabal is a system for building and installing Haskell programs and libraries. It is aware of multiple different compilers and can handle them without trouble. . This package will provide the infrastructure necessary to build Cabalized packages on Debian machines, or to Debianize those packages. Isaac Jones already has a basic debian/ directory of this package, from which I will be starting. -- System Information: Debian Release: 3.1 APT prefers unstable APT policy: (500, 'unstable') Architecture: i386 (i686) Kernel: Linux 2.6.7 Locale: LANG=C, LC_CTYPE=en_US

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Cabal?
by John Goerzen 05 Oct '04

05 Oct '04

Hi, The Haskell Policy recommends Cabalized packages, but I don't see the Cabal software packaged for Debian anywhere -- or have I just missed it? FWIW, I intend to ITP several Haskell libraries in short order (HUnit, HSQL, one of the shell libraries, and my own as-yet unnamed library), so these formerly-theoritical library packaging issues are no longer theoretical :-) -- John Goerzen Author, Foundations of Python Network Programming http://www.amazon.com/exec/obidos/tg/detail/-/1590593715

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Bug#275073: ITP: hsql -- Multi-Database Interface System for Haskell
by John Goerzen 05 Oct '04

05 Oct '04

Package: wnpp Severity: wishlist * Package name : hsql Version : 1.4 Upstream Author : Krasimir Angelov * URL : http://sourceforge.net/project/showfiles.php?group_id=65248 * License : BSD Description : Multi-Database Interface System for Haskell HSQL provides interfaces for Haskell programmers to the PostgreSQL, MySQL, SQLite, and UnixODBC database systems. There is a generic abstract interface so that code can be used interchangably with these database systems. In this sense, it is similar to Java's JDBC, Python's DB-API, or Perl's DBI. -- System Information: Debian Release: 3.1 APT prefers unstable APT policy: (500, 'unstable') Architecture: i386 (i686) Kernel: Linux 2.6.7 Locale: LANG=C, LC_CTYPE=en_US

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Bug#275071: ITP: hunit -- Haskell Unit Testing Framework
by John Goerzen 05 Oct '04

05 Oct '04

Package: wnpp Severity: wishlist * Package name : hunit Version : 1.0 Upstream Author : Dean Herington * URL : http://hunit.sf.net/ * License : BSD Description : Haskell Unit Testing Framework HUnit is a unit testing framework for Haskell, inspired by the JUnit tool for Java. . The HUnit philosphy is that a test-centered methodology for software development is most effective when tests are easy to create, change, and execute. . With HUnit, as with JUnit, you can easily create tests, name them, group them into suites, and execute them, with the framework checking the results automatically. Test specification in HUnit is even more concise and flexible than in JUnit, thanks to the nature of the Haskell language. Unit currently includes only a text-based test controller, but the framework is designed for easy extension. -- System Information: Debian Release: 3.1 APT prefers unstable APT policy: (500, 'unstable') Architecture: i386 (i686) Kernel: Linux 2.6.7 Locale: LANG=C, LC_CTYPE=en_US

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debian-haskell October 2004