haskell/cabal

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Official upstream development repository for Cabal and cabal-install

Stars: 1.7k
Forks: 751
Open beginner issues: 0
Indexed issues: 1.8k
Avg merge: 4d 3h
Merged PRs (30d): 28

Dominant language: Haskell
License: No license data
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue hacktoberfest

Beginner friendly Everything

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1,821 open issues indexed

cabal sdist target selection is broken Open

cabal-install: cmd/sdist type: bug

Difficulty 3/5 1-2 days Newbie friendliness 48/100

haskell/cabal#11385 · 5 comments · Opened Jan 4, 2026
Document (better) when/if `Setup.hs` is required Open

documentation

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

haskell/cabal#11380 · 2 comments · Opened Jan 3, 2026
`cabal init` bootstraps a test suite *only* by default when `interactive` is set to False in the global configuration Open

cabal-install: cmd/init re: user experience type: bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

haskell/cabal#11377 · 1 comment · Opened Jan 2, 2026
Can cabal-install drive MicroHS? Open

re: microhs type: user-question

Difficulty 5/5 Over a week Newbie friendliness 20/100

haskell/cabal#11370 · 12 comments · 1 reaction · Opened Dec 22, 2025
`cabal --version` should report the commit used for developement builds. Open

cabal-install: other platform: windows type: bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

haskell/cabal#11340 · 10 comments · Opened Dec 12, 2025
--enable-multi-repl --repl-no-load panics with "link: GHC not built to link this way: LinkInMemory" Open

cabal-install: cmd/repl re: multi-repl type: bug

haskell/cabal#11335 · 5 comments · 1 reaction · 1 assignee · Opened Dec 10, 2025
"Unrecognized field hyperlink-source" despite being in the default config Open

re: config-file type: bug

Difficulty 3/5 1-2 days Newbie friendliness 38/100

haskell/cabal#11327 · Opened Dec 5, 2025
multi-repl fails with internal library mixins: incorrectly reports module not exposed Open

re: multi-repl type: bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

haskell/cabal#11317 · 6 comments · Opened Dec 2, 2025
Allow 'if' for data-files section Open

cabal-install: cmd/sdist data-files re: conditional type: enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

haskell/cabal#11315 · 2 comments · Opened Nov 29, 2025
Contained "global" environments Open

type: enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

haskell/cabal#11313 · 1 reaction · Opened Nov 28, 2025
Warning: [no-default-language] doesn't provide enough information Open

cabal-install: cmd/build cabal-install: cmd/check Cabal: other type: enhancement

Difficulty 3/5 1-2 days Newbie friendliness 48/100

haskell/cabal#11310 · 2 comments · Opened Nov 25, 2025
A couple more bugs in --enable-multi-repl , one of which is a showstopper Open

blocked: upstream re: multi-repl type: bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

haskell/cabal#11309 · 2 comments · Opened Nov 25, 2025
#11101's suggestion to revert it in 3.18 is bad Open

type: user-question

haskell/cabal#11305 · 2 comments · 1 reaction · 1 assignee · Opened Nov 20, 2025
Provide a way to count or list local maxima in the solver's solution space Open

cabal-install: solver type: enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

haskell/cabal#11304 · Opened Nov 20, 2025
Semi-unrelated and noAllow command aliases to be defined in the config file like `git` does Open

cabal-install: cmd/user-config type: enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

haskell/cabal#11301 · Opened Nov 18, 2025
`cabal repl --enable-multi-repl` failure when a package uses mixins. Open

re: multi-repl type: bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

haskell/cabal#11300 · 1 comment · Opened Nov 18, 2025
Race condition in "cabal run" Open

cabal-install: cmd/build cabal-install: cmd/run cabal-install: v2-build system type: bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

haskell/cabal#11298 · 4 comments · Opened Nov 18, 2025
foreign-library does not apply pkgconfig-depends cflags to c-sources when using v2-build Open

re: ghc-options re: pkg-config type: bug

haskell/cabal#11297 · 2 comments · 1 assignee · Opened Nov 17, 2025
Harden output filepaths for msys2 use Open

attention: pr-welcome platform: windows type: bug

Difficulty 3/5 1-2 days Newbie friendliness 42/100

haskell/cabal#11270 · 4 comments · 2 reactions · Opened Nov 7, 2025
Add a way to ignore modules from haddock documentation generation Open

type: enhancement

Difficulty 4/5 3-5 days Newbie friendliness 42/100

haskell/cabal#11267 · Opened Oct 31, 2025
`extra-library-flavours` and `extra-dynamic-library-flavours` should be removed Open

needs triage type: bug

Difficulty 3/5 1-2 days Newbie friendliness 48/100

haskell/cabal#11263 · 1 comment · Opened Oct 22, 2025
Redundant allow-newer warnings Open

cabal-install: solver re: allow-newer re: warnings type: enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

haskell/cabal#11262 · 2 comments · 5 reactions · Opened Oct 20, 2025
Make value of Cabal flags accessible through an autogenerated Haskell module Open

type: enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

haskell/cabal#11258 · 5 comments · Opened Oct 18, 2025
Field parser having unhelpful filename in error Open

Cabal: parser re: user experience type: enhancement

Difficulty 3/5 1-2 days Newbie friendliness 48/100

haskell/cabal#11256 · 2 reactions · Opened Oct 16, 2025
Non-deterministic removeDirectoryRecursive failures during package registration generation Open

needs triage type: bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

haskell/cabal#11255 · 4 comments · Opened Oct 15, 2025
`cabal v2-install` silently ignores `--run-tests`, but docs suggests it should work Open

cabal-install: cmd/install documentation re: --run-tests re: v1-vs-v2

Difficulty 3/5 1-2 days Newbie friendliness 38/100

haskell/cabal#11254 · 5 comments · 1 reaction · Opened Oct 11, 2025
Establish a plan for removing v1- commands Open

re: v1-vs-v2

Difficulty 5/5 Over a week Newbie friendliness 25/100

haskell/cabal#11249 · 1 comment · Opened Oct 8, 2025
repl -b option is missing tests Open

attention: pr-welcome type: testing

Difficulty 3/5 1-2 days Newbie friendliness 45/100

haskell/cabal#11239 · 1 comment · Opened Oct 3, 2025
The directory layout of dist-newstyle is utterly broken Open

Cabal: cmd/build type: bug

Difficulty 4/5 3-5 days Newbie friendliness 38/100

haskell/cabal#11236 · 1 comment · Opened Oct 2, 2025
Contents of haddock-prologue are not output even with -v3 Open

cabal-install: cmd/haddock type: bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

haskell/cabal#11235 · 2 comments · Opened Oct 2, 2025
Updates to the cabal files created by cabal init Open

cabal-install: cmd/init re: user experience type: enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

haskell/cabal#11231 · 20 comments · 6 reactions · Opened Oct 1, 2025
Write Build Summary to Local Build Directory Open

type: enhancement

Difficulty 4/5 3-5 days Newbie friendliness 42/100

haskell/cabal#11228 · 3 comments · Opened Sep 27, 2025
Cabal exact printer in stages? (and other grand design questions) Open

exact-print type: RFC

Difficulty 5/5 Over a week Newbie friendliness 20/100

haskell/cabal#11227 · 46 comments · 4 reactions · Opened Sep 24, 2025
`extra-libraries-static` of dependencies is ignored when linking fully statically Open

attention: pr-welcome cabal-install: cmd/build type: bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

haskell/cabal#11224 · 4 comments · 1 reaction · Opened Sep 21, 2025
-dynload is a misfeature Open

type: bug

Difficulty 5/5 Over a week Newbie friendliness 25/100

haskell/cabal#11221 · 5 comments · 1 reaction · Opened Sep 19, 2025
--html-location option appears not to work with -unit-id package schemes Open

cabal-install: cmd/haddock type: bug

haskell/cabal#11215 · 7 comments · 1 assignee · Opened Sep 15, 2025
`cabal upload -d` (no tarball argument) calls v1-haddock and fails Open

cabal-install: cmd/upload re: user experience type: bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

haskell/cabal#11214 · 1 reaction · Opened Sep 12, 2025
Wrong relative paths in error messages when building a multi-package project Open

type: bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

haskell/cabal#11206 · 3 comments · Opened Sep 5, 2025
'cabal check' or 'cabal sdist' ought to warn about non-ASCII characters Open

cabal-install: cmd/check type: enhancement

Difficulty 3/5 1-2 days Newbie friendliness 48/100

haskell/cabal#11197 · 17 comments · Opened Aug 30, 2025
cabal.project.local: Warn if referencing *different* branches of different subdirectories of same repository Open

type: enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

haskell/cabal#11192 · Opened Aug 27, 2025
install-includes not working as expected Open

cabal-install: cmd/install type: bug

haskell/cabal#11186 · 2 comments · 1 assignee · Opened Aug 25, 2025
Flag for fully offline building Open

re: flag type: enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

haskell/cabal#11185 · 1 comment · Opened Aug 25, 2025
Missing docs for new `cabal outdated` Open

cabal-install: cmd/outdated documentation

haskell/cabal#11184 · 1 assignee · Opened Aug 25, 2025
Documentation does not reflect that GHC no longer accepts -split-objs Open

documentation

haskell/cabal#11175 · 1 assignee · Opened Aug 20, 2025
Project in-place builds mask issues with `install-includes` Open

cabal-install: cmd/install re: install --lib type: bug

Difficulty 5/5 Over a week Newbie friendliness 35/100

haskell/cabal#11172 · 2 comments · Opened Aug 20, 2025
Unexpected dependency differences when using --enable-multi-repl Open

re: multi-repl type: bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

haskell/cabal#11165 · 2 comments · Opened Aug 14, 2025
Disable `-Worphans` by default in non-`library` targets? Open

type: enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

haskell/cabal#11164 · 1 reaction · Opened Aug 14, 2025
`cabal install` fails to statically link executable Open

cabal-install: cmd/install type: bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

haskell/cabal#11163 · 2 comments · Opened Aug 13, 2025
Cabal can't handle source-repository-packages with submodules on Windows Open

platform: windows status: fixed in master type: bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

haskell/cabal#11136 · 8 comments · Opened Aug 7, 2025
Failure to link c-sources during template haskell on windows Open

needs triage platform: windows type: bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

haskell/cabal#11130 · 2 comments · 1 reaction · Opened Aug 5, 2025

haskell/cabal

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