From eb30d65de6373e94a6be877b84773d1879aa0462 Mon Sep 17 00:00:00 2001
From: Markus Kowalewski <markus.kowalewski.uu@gmail.com>
Date: Mon, 22 Jan 2018 15:36:43 -0800
Subject: [PATCH 1/2] arpack: 3.3.0 -> 3.5.0

---
 .../development/libraries/science/math/arpack/default.nix | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/science/math/arpack/default.nix b/pkgs/development/libraries/science/math/arpack/default.nix
index fe90d41ccb29..a7baddad86a9 100644
--- a/pkgs/development/libraries/science/math/arpack/default.nix
+++ b/pkgs/development/libraries/science/math/arpack/default.nix
@@ -4,23 +4,27 @@
 with stdenv.lib;
 
 let
-  version = "3.3.0";
+  version = "3.5.0";
 in
 stdenv.mkDerivation {
   name = "arpack-${version}";
 
   src = fetchurl {
     url = "https://github.com/opencollab/arpack-ng/archive/${version}.tar.gz";
-    sha256 = "1cz53wqzcf6czmcpfb3vb61xi0rn5bwhinczl65hpmbrglg82ndd";
+    sha256 = "0f8jx3fifmj9qdp289zr7r651y1q48k1jya859rqxq62mvis7xsh";
   };
 
   nativeBuildInputs = [ autoconf automake gettext libtool ];
   buildInputs = [ gfortran openblas ];
 
+  doCheck = true;
+
   BLAS_LIBS = "-L${openblas}/lib -lopenblas";
 
   FFLAGS = optional openblas.blas64 "-fdefault-integer-8";
 
+  INTERFACE64 = optional openblas.blas64 "1";
+
   preConfigure = ''
     ./bootstrap
   '';

From a16880533f3322548495ea8236381d42d780e25c Mon Sep 17 00:00:00 2001
From: Markus Kowalewski <markus.kowalewski.uu@gmail.com>
Date: Mon, 22 Jan 2018 15:52:57 -0800
Subject: [PATCH 2/2] arpack: remove FFLAGS

---
 pkgs/development/libraries/science/math/arpack/default.nix | 2 --
 1 file changed, 2 deletions(-)

diff --git a/pkgs/development/libraries/science/math/arpack/default.nix b/pkgs/development/libraries/science/math/arpack/default.nix
index a7baddad86a9..77cb7cf1f2b6 100644
--- a/pkgs/development/libraries/science/math/arpack/default.nix
+++ b/pkgs/development/libraries/science/math/arpack/default.nix
@@ -21,8 +21,6 @@ stdenv.mkDerivation {
 
   BLAS_LIBS = "-L${openblas}/lib -lopenblas";
 
-  FFLAGS = optional openblas.blas64 "-fdefault-integer-8";
-
   INTERFACE64 = optional openblas.blas64 "1";
 
   preConfigure = ''