[Haskell-cafe] Haskell IDE

Alberto G. Corona agocorona at gmail.com
Mon Mar 7 16:08:01 CET 2011

I use leksah, and I want to say thanks to the people that maintain it. I
want also to encourage them to continuing its valuable work.

from the last release of Leksah, I particulary appreciate its:

Multiplatform support
Ease of installation in all platforms including windows
capability to works with many cabal packages in a single workspace
its detection of dependencies and rebuilding of the affected packages
Integration of GHCI and the GHCI debugger
integrated building of documentation
referencing and navigation trough the  source of the installed packages
and of course all the other traditional IDE capabilities

2011/3/7 David Virebayre <dav.vire+haskell at gmail.com>

> 2011/3/3 JP Moresmau <jpmoresmau at gmail.com>:
> > Hello, I'm one of the maintainers of EclipseFP. It is a real
> > alternative: it works, it is maintained, supported and enhanced. I use
> > it for my own projects, and of course I use it to work on the version
> > of the scion library that ships with it, so we eat our own dogfood
> > :-). A new minor version is going to come out in the next couple of
> > weeks. Why don't you give it a try? We appreciate any feedback!
> from  http://eclipsefp.sourceforge.net/eclipsefp2.html I understand that
> building scion is automatically done, but can be optionally done it it's too
> long.
> but from http://eclipsefp.sourceforge.net/build.html I see that I do have
> to build it. But :
> git clone http://github.com/JPMoresmau/scion.git
> Initialized empty Git repository in /data/code/scion/.git/
> remote: Counting objects: 3563, done.
> remote: Compressing objects: 100% (1310/1310), done.
> remote: Total 3563 (delta 2137), reused 3342 (delta 1970)
> Receiving objects: 100% (3563/3563), 580.09 KiB | 395 KiB/s, done.
> Resolving deltas: 100% (2137/2137), done.
> david at pcdavid:~/code$ cd scion/
> david at pcdavid:~/code/scion$ sudo cabal install
> [sudo] password for david:
> Resolving dependencies...
> cabal: dependencies conflict: ghc-6.12.3 requires Cabal == however
> Cabal- was excluded because scion- requires Cabal ==1.6.*
> I'm not sure what to do now. Trying to install eclipsefp without scion
> built in case it works, but I'm not used to eclipse, I could use some
> screenshots to take me step by step through the process. For example, My
> "project" menu has open grayed, and file/import wants me to choose an import
> source (I chose Existing project into workspace) but then do I copy projects
> into workspace ( I did not )
> I have eclipse already setup with android development (I have just a toy
> project, I planned to learn about android programming), when I imported the
> projects they appeared at the same place. Is there a way not to mix android
> and haskell projects ? Do I create a new workspace, or assign working sets ?
> Anyway the projects are in the workspace, and there's 123 warnings; but I
> can't really tell if the build failed or not.
> Selecting all the project, and right-click - refresh didn't seem to change
> anything.
> But it seems it worked, because step 7 does launch a new eclipse window,
> and I can see haskell in the preferences. Except that I had an error message
> regarding scion, and stupid me, clicked ok before I could remember what was
> written.
> I tried rebuild scion, but nothing seemed to happen. I closed the first
> Eclipse window (the one that has all the eclipsefp projects in the package
> explorer), but then the second one closed too. I lauched eclipse again, run
> configurations, etc and this time it looks like scion is building (well
> something happens in the Console tab)
> While this is building, I'm wondering if there's a way to launch eclise
> directly in the right "mode". Not having to go to run configurations, etc.
> Ah, the build failed. Complains that HUnit is missing. So I cabal install
> it, close my Eclipse window, run configurations again on the first Eclipse
> window, and the build resumes.
> .... And build success. Now to open a haskell source file and play with
> Eclipse.
> </feedback>
> David.
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