From 30bb15868a72c74358a49f13409caf871cf1bb35 Mon Sep 17 00:00:00 2001
From: Markus Kowalewski <markus.kowalewski@fysik.su.se>
Date: Wed, 27 Apr 2022 18:57:52 +0200
Subject: [PATCH] scalapack: fix build with gcc-10

---
 .../libraries/science/math/scalapack/default.nix         | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/science/math/scalapack/default.nix b/pkgs/development/libraries/science/math/scalapack/default.nix
index bafb52be7ffb..7620844f8d1c 100644
--- a/pkgs/development/libraries/science/math/scalapack/default.nix
+++ b/pkgs/development/libraries/science/math/scalapack/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, openssh
+{ lib, stdenv, fetchFromGitHub, fetchpatch, cmake, openssh
 , mpi, blas, lapack
 } :
 
@@ -17,6 +17,13 @@ stdenv.mkDerivation rec {
 
   passthru = { inherit (blas) isILP64; };
 
+  # upstream patch, remove with next release
+  patches = [ (fetchpatch {
+    name = "gcc-10";
+    url = "https://github.com/Reference-ScaLAPACK/scalapack/commit/a0f76fc0c1c16646875b454b7d6f8d9d17726b5a.patch";
+    sha256 = "0civn149ikghakic30bynqg1bal097hr7i12cm4kq3ssrhq073bp";
+  })];
+
   # Required to activate ILP64.
   # See https://github.com/Reference-ScaLAPACK/scalapack/pull/19
   postPatch = lib.optionalString passthru.isILP64 ''