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-rw-r--r--pkgs/development/haskell-modules/configuration-ghc-8.2.x.nix8
1 files changed, 8 insertions, 0 deletions
diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.2.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.2.x.nix
index 35cd857b662..e4d0e00a326 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.2.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.2.x.nix
@@ -59,4 +59,12 @@ self: super: {
   # https://github.com/nominolo/ghc-syb/issues/20
   ghc-syb-utils = dontCheck super.ghc-syb-utils;
 
+  # Older, LTS-8-based versions don't compile.
+  vector = super.vector_0_12_0_1;
+  primitive = self.primitive_0_6_2_0;
+  syb = self.syb_0_7;
+
+  # Work around overly restrictive constraints on the version of 'base'.
+  doctest = doJailbreak super.doctest;
+
 }