From 8b10b6b0f5f80915bf8a32aea8536aa8cf089b08 Mon Sep 17 00:00:00 2001
From: Artemis Tosini <me@artem.ist>
Date: Mon, 9 May 2022 21:59:06 +0000
Subject: [PATCH] itpp: fix build

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

diff --git a/pkgs/development/libraries/science/math/itpp/default.nix b/pkgs/development/libraries/science/math/itpp/default.nix
index d7a0dcfe06a..b2acbe761b3 100644
--- a/pkgs/development/libraries/science/math/itpp/default.nix
+++ b/pkgs/development/libraries/science/math/itpp/default.nix
@@ -28,6 +28,7 @@ stdenv.mkDerivation rec {
   ];
 
   cmakeFlags = [
+    "-DCMAKE_CXX_FLAGS=-std=c++11"
     "-DBLAS_FOUND:BOOL=TRUE"
     "-DBLAS_LIBRARIES:STRING=${blas}/lib/libblas.so"
     "-DLAPACK_FOUND:BOOL=TRUE"