From 6883119ab0bb4c9db7b99e4269ab5091ad95191c Mon Sep 17 00:00:00 2001
From: Jude Taylor <me@jude.bio>
Date: Sun, 13 Aug 2017 13:31:56 -0700
Subject: [PATCH] add some overrides for ghc 7.10.3 to build ghcjs

---
 .../haskell-modules/configuration-ghc-7.10.x.nix            | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
index ffa7030d98b..74e1c21c581 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
@@ -164,6 +164,12 @@ self: super: {
   vector-algorithms = addBuildDepends (dontCheck super.vector-algorithms)
     [ self.mtl self.mwc-random ];
 
+  # vector with ghc < 8.0 needs semigroups
+  vector = addBuildDepend super.vector self.semigroups;
+
+  # too strict dependency on directory
+  tasty-ant-xml = doJailbreak super.tasty-ant-xml;
+
   # https://github.com/thoughtpolice/hs-ed25519/issues/13
   ed25519 = dontCheck super.ed25519;