From 0ec2acf51f2f6e7dabc64ad03c92b2391d604c44 Mon Sep 17 00:00:00 2001
From: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Date: Wed, 1 Sep 2021 09:09:25 -0400
Subject: [PATCH] root: build with -Dimt=ON

---
 pkgs/applications/science/misc/root/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/applications/science/misc/root/default.nix b/pkgs/applications/science/misc/root/default.nix
index c3c5928ce6c4..4ac416908132 100644
--- a/pkgs/applications/science/misc/root/default.nix
+++ b/pkgs/applications/science/misc/root/default.nix
@@ -31,6 +31,7 @@
 , libjpeg
 , libtiff
 , libpng
+, tbb
 , Cocoa
 , CoreSymbolication
 , OpenGL
@@ -67,6 +68,7 @@ stdenv.mkDerivation rec {
     libpng
     nlohmann_json
     python.pkgs.numpy
+    tbb
   ]
   ++ lib.optionals (!stdenv.isDarwin) [ libX11 libXpm libXft libXext libGLU libGL ]
   ++ lib.optionals (stdenv.isDarwin) [ Cocoa CoreSymbolication OpenGL ]
@@ -131,7 +133,7 @@ stdenv.mkDerivation rec {
     "-Dfftw3=OFF"
     "-Dfitsio=OFF"
     "-Dfortran=OFF"
-    "-Dimt=OFF"
+    "-Dimt=ON"
     "-Dgfal=OFF"
     "-Dgviz=OFF"
     "-Dhdfs=OFF"