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authorPeter Simons <simons@cryp.to>2016-04-13 09:50:44 +0200
committerPeter Simons <simons@cryp.to>2016-04-14 09:17:55 +0200
commit2be16386b5e90a18e4ef014ed0cca8dacb85f2d6 (patch)
tree3f267777274551a6eb1e9ac8ec969c55116459df /pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix
parentd98a8f88d0e0ecacf62879a9f64862b84e1f22ef (diff)
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haskell-lens: use latest version when building with GHC 8.0.x
Diffstat (limited to 'pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix')
-rw-r--r--pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix3
1 files changed, 3 insertions, 0 deletions
diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix
index f0b793d949d3..2c5b00625f89 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix
@@ -68,4 +68,7 @@ self: super: {
   # Version 4.x doesn't compile with transformers 0.5 or later.
   kan-extensions = self.kan-extensions_5_0_1;
 
+  # Earlier versions don't support kan-extensions 5.x.
+  lens = self.lens_4_13_2_1;
+
 }