1 files changed, 8 insertions, 2 deletions
diff --git a/nixpkgs/pkgs/development/libraries/science/math/openblas/default.nix b/nixpkgs/pkgs/development/libraries/science/math/openblas/default.nix
index a26cf38a9d09..38ad31cc6257 100644
--- a/nixpkgs/pkgs/development/libraries/science/math/openblas/default.nix
+++ b/nixpkgs/pkgs/development/libraries/science/math/openblas/default.nix
@@ -88,12 +88,12 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "openblas";
-  version = "0.3.7";
+  version = "0.3.8";
   src = fetchFromGitHub {
     owner = "xianyi";
     repo = "OpenBLAS";
     rev = "v${version}";
-    sha256 = "0vs1dlzyla02wajpkfzz8x3lfpgmwiaaizq2nmdjbkzkb7jnxhhz";
+    sha256 = "0s017qqi4n6jzrxl9cyx625wj26smnyn5g8s699s7h8v1srlrw6p";
   };
 
   inherit blas64;
@@ -123,6 +123,12 @@ stdenv.mkDerivation rec {
     buildPackages.stdenv.cc
   ];
 
+  # Disable an optimisation which seems to cause issues, pending an
+  # upstream fix: https://github.com/xianyi/OpenBLAS/issues/2496
+  patches = stdenv.lib.optionals stdenv.hostPlatform.isAarch64 [
+    ./0001-Disable-optimised-aarch64-dgemm_beta-pending-fix.patch
+  ];
+
   makeFlags = mkMakeFlagsFromConfig (config // {
     FC = "${stdenv.cc.targetPrefix}gfortran";
     CC = "${stdenv.cc.targetPrefix}${if stdenv.cc.isClang then "clang" else "cc"}";