From edd91537b71f0b04731c0ed2ffc0339cac5c4c0b Mon Sep 17 00:00:00 2001
From: Lester Hedges <lester.hedges@gmail.com>
Date: Wed, 15 Jul 2020 16:42:36 +0100
Subject: [PATCH] Fix tbb version for macOS.

---
 build/build_sire.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/build/build_sire.py b/build/build_sire.py
index 5812eb2b3..c3e7fb307 100755
--- a/build/build_sire.py
+++ b/build/build_sire.py
@@ -186,8 +186,8 @@ def parse_args():
         if os.path.exists(os.path.join(conda_base, "include", "tbb", "tbb.h")):
             print("TBB is already installed...")
         else:
-            conda_pkgs.append("tbb=2020.1")
-            conda_pkgs.append("tbb-devel=2020.1")
+            conda_pkgs.append("tbb=2019.9")
+            conda_pkgs.append("tbb-devel=2019.9")
 
         # Qt5
         try: