From 83bd42c72fe022a74c9301eac2b2b4a5e40782df Mon Sep 17 00:00:00 2001
From: Varun Agrawal <varagrawal@gmail.com>
Date: Wed, 1 Apr 2020 16:52:57 -0400
Subject: [PATCH] maintain backwards compatibility of CMake

---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 86234afa8..7a49a8aa6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -200,7 +200,7 @@ find_package(TBB 4.4 COMPONENTS tbb tbbmalloc)
 # Set up variables if we're using TBB
 if(TBB_FOUND AND GTSAM_WITH_TBB)
     set(GTSAM_USE_TBB 1)  # This will go into config.h
-    if (${TBB_VERSION_MAJOR} GREATER_EQUAL 2020)
+    if ((${TBB_VERSION_MAJOR} GREATER 2020) OR (${TBB_VERSION_MAJOR} EQUAL 2020))
         set(TBB_GREATER_EQUAL_2020 1)
     else()
         set(TBB_GREATER_EQUAL_2020 0)