diff options
Diffstat (limited to 'gnu')
| -rw-r--r-- | gnu/packages/haskell.scm | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm index e0ac1b8544..0b5bdec92a 100644 --- a/gnu/packages/haskell.scm +++ b/gnu/packages/haskell.scm @@ -1678,10 +1678,11 @@ configuration. This library provides the common bits for writing custom (base32 "1icdbj2rshzn0m1zz5wa7v3xvkf6qw811p4s7jgqwvx1ydwrvrfa")))) (build-system haskell-build-system) + ;; This is an official revision, relaxing the requirement transformers == + ;; 0.4 to transformers >= 0.4 && < 0.6; see + ;; https://hackage.haskell.org/package/mtl-2.2.1/revision/1.cabal (arguments `(#:configure-flags (list "--allow-newer=transformers"))) - (inputs - `(("ghc-transformers" ,ghc-transformers))) (home-page "https://github.com/ekmett/mtl") (synopsis "Monad classes, using functional dependencies") |