From c6f34aeaef9f23935cb01a56bc27415dd6b0805d Mon Sep 17 00:00:00 2001
From: Millian Poquet <millian.poquet@inria.fr>
Date: Mon, 19 Jul 2021 14:05:17 +0200
Subject: [PATCH] simgrid: compile tests in parallel

---
 pkgs/applications/science/misc/simgrid/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/applications/science/misc/simgrid/default.nix b/pkgs/applications/science/misc/simgrid/default.nix
index b77761895cff..23815442da7e 100644
--- a/pkgs/applications/science/misc/simgrid/default.nix
+++ b/pkgs/applications/science/misc/simgrid/default.nix
@@ -99,6 +99,9 @@ stdenv.mkDerivation rec {
     cat <<EOW >CTestCustom.cmake
     SET(CTEST_CUSTOM_TESTS_IGNORE smpi-replay-multiple)
     EOW
+
+    # make sure tests are built in parallel (this can be long otherwise)
+    make tests -j $NIX_BUILD_CORES
   '';
 
   meta = {