All Questions
Tagged with haskell haskell-stack
1,139 questions
173
votes
3
answers
56k
views
What is the difference between Cabal and Stack?
Yesterday I learnt about a new Haskell tool called Stack. At the first blush, it looks like it does much the same job as Cabal. So, what is the difference between them? Is stack a replacement for ...
- 39.8k
73
votes
5
answers
18k
views
Profiling builds with Stack
How do I tell stack to build my executable and all its dependencies with -prof?
Simply adding it to ghc-options in the .cabal file is not enough, because it only tries to build the executable with ...
- 3,740
68
votes
3
answers
43k
views
How to install a package using stack?
Using cabal, I could install hakyll with the command:
cabal install hakyll
How can I do the same thing using stack?
- 3,942
46
votes
3
answers
2k
views
How to use a DLL in a Haskell project?
I would like to use an external library, RDFox, in a Haskell project.
Context: I am working on Windows and Linux, both 64 bits, using GHC 7.10 and stack. RDFox is programmed in C++. RDFox shared ...
- 460
41
votes
1
answer
8k
views
How to install/use a local version of package using Stack?
The situation is, I am trying to install Netwire using Stack. However, there is a problem in the latest netwire 5.0.1, as reported by dhobbs: http://hub.darcs.net/ertes/netwire/issue/13
Since I don'...
- 1,299
38
votes
2
answers
7k
views
Generating documentation for my own code with Haddock and stack
I have annotated my code in Haddock style and would like to generate browse-able documentation. Since I am also using stack, I want to integrate the documentation generation into the workflow. However,...
- 2,361
35
votes
4
answers
9k
views
Haskell Stack install package dependency from github
Is it possible to install a version of a package from github using Haskell stack?
e.g. in a .cabal or a stack.yaml file, how can I point a dependency at a git repo/branch/revision?
- 15.5k
35
votes
1
answer
17k
views
How to uninstall a Haskell package installed with stack?
How can I uninstall a Haskell package installed globally with stack tool?
stack --help shows that uninstall command is deprecated.
uninstall DEPRECATED: This command performs no ...
- 791
32
votes
2
answers
9k
views
How do I check what version of a package is installed with stack?
Within my project's .cabal file I've got the following under the executable section:
executable ArchPkgstatsScraper
hs-source-dirs: app
main-is: Main.hs
ghc-options: -...
- 34.2k
32
votes
1
answer
9k
views
Understanding Haskell's stack program and the resolver and LTS version
I am trying to understand how to use stack and stackage.org. When I first installed it and used it, stackage.org was at LTS-3.8 (the "resolver"). Since then, stackage.org now has LTS-3.11.
First, I'd ...
user1002430
30
votes
1
answer
11k
views
What goes in a Stack package.yaml file?
I notice that Stack supports using a package.yaml file that it will use to generate a .cabal file. For example, yi-core/package.yaml. Its structure seems very similar to a Cabal file, but not quite ...
- 30.8k
29
votes
3
answers
20k
views
Could not find module `Data.Map' -- It is a member of the hidden package
First, I created a new workspace:
stack new xxxx
stack init
stack build
then
cd xxx\app
stack ghci
import Data.Map
I can import other modules like Data.Char and Data.List, but I can't import Data....
- 2,915
26
votes
2
answers
7k
views
How to Run Multiple Test Files with Haskell Stack Project
I want to setup an existing Haskell project with Stack. The existing project uses multiple files under a test directory; these separate test files by default, Stack (or cabal?) appears to utilize a ...
- 1,497
25
votes
3
answers
8k
views
stack new command failing to download build plan for lts-14.1
Stack fails with a 404 HTTP status to download a build plan for lts-14.1:
$ stack new my-project
[...]
Downloading lts-14.1 build plan ...
RedownloadInvalidResponse Request {
host ...
- 10.9k
25
votes
2
answers
12k
views
How to install Haskell (Platform or Stack) in 2018 on Linux?
I am trying to learn Haskell from the book Learn You a Haskell by Miran Lipovača. Both the book and haskell.org recommends installing the Haskell Platform but there is no download for Manjaro Linux (...
- 579