01/01: gnu: ghc-mtl: Remove ghc-transformers from inputs.

[Ricardo Wurmus]

rekado pushed a commit to branch master
in repository guix.

commit 1ecbd859a10d42ead1d2b68342b89ab19952df88
Author: Ricardo Wurmus <address@hidden>
Date:   Sat Feb 17 14:01:15 2018 +0100

    gnu: ghc-mtl: Remove ghc-transformers from inputs.
    
    * gnu/packages/haskell.scm (ghc-mtl)[arguments]: Explain why we need to 
allow
    a newer version of the transformers package.
    [inputs]: Remove ghc-transformers.
---
 gnu/packages/haskell.scm | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index 426939e..1a7e06d 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -1675,10 +1675,11 @@ 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")