From 4dad238bab263f1d0866d052857e4abd820ece0b Mon Sep 17 00:00:00 2001
From: Michael Raskin <7c6f434c@mail.ru>
Date: Sun, 5 Jan 2014 16:33:07 +0400
Subject: [PATCH] Fix forced CPU choice according to current openblas
 documentation

---
 pkgs/development/libraries/science/math/openblas/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/science/math/openblas/default.nix b/pkgs/development/libraries/science/math/openblas/default.nix
index 4d30671c488..5ceedd674f5 100644
--- a/pkgs/development/libraries/science/math/openblas/default.nix
+++ b/pkgs/development/libraries/science/math/openblas/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   cpu = builtins.head (stdenv.lib.splitString "-" stdenv.system);
 
-  target = if cpu == "i686" then "P6" else 
+  target = if cpu == "i686" then "P2" else 
     if cpu == "x86_64" then "CORE2" else
      # allow autodetect
       "";