From ecd20d2166ddd4f7d846518e5c794dccb9437f40 Mon Sep 17 00:00:00 2001
From: Markus Kowalewski <markus.kowalewski@gmail.com>
Date: Sun, 15 Sep 2019 11:34:04 +0200
Subject: [PATCH] liblapack: remove optimized blas flag.

This cmake flag has no effect since no external blas
library is provided in the build inputs.
---
 pkgs/development/libraries/science/math/liblapack/default.nix | 1 -
 1 file changed, 1 deletion(-)

diff --git a/pkgs/development/libraries/science/math/liblapack/default.nix b/pkgs/development/libraries/science/math/liblapack/default.nix
index 82e12cd57b3e..076376dc3c15 100644
--- a/pkgs/development/libraries/science/math/liblapack/default.nix
+++ b/pkgs/development/libraries/science/math/liblapack/default.nix
@@ -23,7 +23,6 @@ stdenv.mkDerivation {
   nativeBuildInputs = [ python2 ];
 
   cmakeFlags = [
-    "-DUSE_OPTIMIZED_BLAS=ON"
     "-DCMAKE_Fortran_FLAGS=-fPIC"
     "-DLAPACKE=ON"
   ]