EclipseFP doesn't working

4
votes

I am trying to install EclipseFP on Eclipse version: Mars Release (4.5.0) on Mac OS Yosemite 10.10.5.

While Haskell perspective is appeared, nothing special for Haskell language is not working (Syntax highlight, hoogle search & etc...)

Syntax highlight Hoogle Search

Here is my Eclipse Preferences: Eclipse preferences

And it seems that problem is that not all necessary packages could be compiled (But sure that this is the root cause)

For example, when I am pressing button "Install from Hackage" in the Haskell helper executables it is trying to compile it but fails because of ghc-pkg-lib-0.3:

Resolving dependencies...
Notice: installing into a sandbox located at
/Applications/Eclipse.app/Contents/MacOS/.eclipsefp/sandbox
Configuring ghc-pkg-lib-0.3...
Building ghc-pkg-lib-0.3...
Failed to install ghc-pkg-lib-0.3
Build log ( /Applications/Eclipse.app/Contents/MacOS/.eclipsefp/sandbox/logs/ghc-pkg-lib-0.3.log ):
Configuring ghc-pkg-lib-0.3...
Building ghc-pkg-lib-0.3...
Preprocessing library ghc-pkg-lib-0.3...
[1 of 1] Compiling Language.Haskell.Packages ( src/Language/Haskell/Packages.hs, dist/dist-sandbox-b2e886dd/build/Language/Haskell/Packages.o )

src/Language/Haskell/Packages.hs:170:13:
    Couldn't match type ‘[Char]’
                   with ‘Distribution.ModuleName.ModuleName’
    Expected type: InstalledPackageInfo_
                     Distribution.ModuleName.ModuleName
      Actual type: InstalledPackageInfoString
    In the expression: pkgconf
    In the expression:
      pkgconf {exposedModules = convert e, hiddenModules = convert h}

src/Language/Haskell/Packages.hs:170:47:
    Couldn't match type ‘ExposedModule’ with ‘[Char]’
    Expected type: [String]
      Actual type: [ExposedModule]
    In the first argument of ‘convert’, namely ‘e’
    In the ‘exposedModules’ field of a record

src/Language/Haskell/Packages.hs:171:39:
    Couldn't match type ‘ExposedModule’
                   with ‘Distribution.ModuleName.ModuleName’
    Expected type: [Distribution.ModuleName.ModuleName]
      Actual type: [ExposedModule]
    In the ‘hiddenModules’ field of a record
    In the expression:
      pkgconf {exposedModules = convert e, hiddenModules = convert h}
cabal.real: Error: some packages failed to install:
buildwrapper-0.9.1 depends on ghc-pkg-lib-0.3 which failed to install.
ghc-pkg-lib-0.3 failed during the building phase. The exception was:
ExitFailure 1

Could somebody please help me?

1
eclipsehaskellfunctional-programmingeclipse-fp
Its not what you asked for, but have you tried leksah? Its a native Haskell IDE. – Paul Johnson
It seems that ghc-pkg-lib doesn't specify upper bounds for its dependencies, and you are getting a newer version of Cabal than it can successfully build with. Consider adding an explicit constraint like Cabal <= 1.19 to your install line manually (you can see from the Hackage build logs that it has successfully built with Cabal-1.18.1.3); and do send a note/smack to the package maintainer. – Daniel Wagner
Have found updated version of Package.hs on Github, and build this module successfully, but broken in next module... Also found mention on github that EclipseFP is no longer maintained... – Yury Kochubeev
And yes, i've installed Leksah, but seems that it has less features... – Yury Kochubeev
As a previous eclipsefp user, i now switch to emacs ,which may have the best support for haskell presently with various plugins to autocomplete,give type hints etc.. – doofin

1 Answers

1
votes

Because of frequently changes happens in EclipseFP and BuildWrapper, they have stopped supporting these 2 project and should use some Leskah too have an IDE http://jpmoresmau.blogspot.com.tr/2015/05/eclipsefp-end-of-life-from-me-at-least.html