Haskell is a purely functional programming language, general purpose, named after the logician Haskell Curry.

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3
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1answer
308 views

Installing EclipseFP on Mac OS X

I am trying to install EclipseFP. I'm running OS X Mavericks. I've tried following both the official installation instructions and the advice in this answer on SU, but I'm still having the same ...
0
votes
1answer
32 views

cygwin doesn't recognize config.guess when installing Haskell package

I am trying to install a Haskell package on Windows 10 64-bit. I installed cygwin for x64 architecture. Later I installed automake-1.15 using cygwin's setup file. I downloaded the latest config.guess ...
0
votes
1answer
27 views

How can I add an extra flag to Leksah?

How can I add an extra flag to Leksah? I'm getting this error: You need -XDeriveDataTypeable to derive an instance .... Where can I add the extra flag in Leksah?
0
votes
1answer
802 views

Xmonad can't find module XMonad

Whenever xmonad starts, restarts, or is recompiled, I get an xmessage: xmonad.hs:1:8: Could not find module `XMonad' Perhaps you meant Monad (needs flag -package haskell98-2.0.0.2) ...
0
votes
1answer
153 views

Installing haskell ghc fails

I am trying to install Haskell-2012.4.0.0.exe on my computer running windows 7. When I run the installer I get the following message and the installation fails, Installer integrity check has failed. ...
3
votes
0answers
12 views

xmonad: focus window when mouse is moved

In my xmonad config, I have set focusFollowsMouse=true so that a window is focused when the mouse pointer is moved onto it. However, I would also like a window to become focused when the mouse pointer ...
2
votes
0answers
211 views

Installing haskell platform fails

I am trying to install haskell-platform-2011.2.0.1 onto my SUSE 11.4. I have got all the dependencies required for ./configure, which works ok. But when getting to make, it builds with this error: ...
2
votes
0answers
491 views

ghc6 install trouble: hGetContents: invalid argument (invalid UTF-8 byte sequence)

Having trouble installing ghc6 on Ubuntu Maverick via apt. Here's what seems to be the relevant error that comes up when I try to (apt-get|aptitude) install ghc6: A package failed to install. ...
2
votes
0answers
214 views

libedit ignores editrc file in Ubuntu Lucid

I'm trying to get ghci (Haskell's interactive command line) to handle Ctrl+Left and Ctrl+Right arrows properly rather than showing garbage like this: Prelude> 1;5D1;5C At the bottom of this bug ...
1
vote
0answers
98 views

Running Helm in VirtualBox

I've written a game in Haskell using Helm, but I'm having problems when I try to run the game in my virtual box. I have tried running the game on other (Linux) computers and it works well, but when I ...
1
vote
0answers
241 views

Installing leksah from source

I tried to install leksah via cabal but I got tons of different build errors so I tried to build it from git. I followed this guide http://www.leksah.org/download.html and I was able to build binary-...
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votes
0answers
32 views

Specifying Path With Escapes in an Environment Variable

This is a shell escaping syntax, cmake, and perhaps Haskell issue (not sure where to fix it). Specifically, I am in Cygwin and trying to execute something like: CXX=/different/g++ ./build_all.sh .....
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39 views

Reactive-Banana-Wx fails to install on Mac OS X El Capitan

I'm trying to install the reactive-banana-wx Haskell cabal package on my Mac OS computer, but it doesn't seem to install correctly. I even installed the cabal-macosx package that it says it needs to ...