From 661ce66483b8f8850f50452531e34e5b7d553389 Mon Sep 17 00:00:00 2001
From: Thomas Tuegel <ttuegel@gmail.com>
Date: Tue, 9 Jun 2015 14:31:19 -0500
Subject: [PATCH] haskellPackages.hmatrix: remove impure openblas path

---
 pkgs/development/haskell-modules/configuration-common.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 7f55abc4ddab..03359133a5f4 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -122,6 +122,9 @@ self: super: {
   hmatrix = overrideCabal super.hmatrix (drv: {
     configureFlags = (drv.configureFlags or []) ++ [ "-fopenblas" ];
     extraLibraries = [ pkgs.openblasCompat ];
+    preConfigure = ''
+      sed -i hmatrix.cabal -e 's@/usr/lib/openblas/lib@${pkgs.openblasCompat}/lib@'
+    '';
   });
 
   bindings-levmar = overrideCabal super.bindings-levmar (drv: {