From d5949d429c7e8ba2b6e0b3c6b372473d6ad2f38e Mon Sep 17 00:00:00 2001
From: Stuart Eichert <seichert@anki.com>
Date: Fri, 11 Jan 2019 17:41:41 -0800
Subject: [PATCH 2/2] 3rdparty/tbb/CMakeLists.txt - Alternative download

Add an alternative download site for the archive.

This change was originally introduced in commit 143c19f7
in the git@github.com:anki/coretech-external.git repo.
---
 3rdparty/tbb/CMakeLists.txt | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/3rdparty/tbb/CMakeLists.txt b/3rdparty/tbb/CMakeLists.txt
index f2b7b286a..b0efabbe9 100644
--- a/3rdparty/tbb/CMakeLists.txt
+++ b/3rdparty/tbb/CMakeLists.txt
@@ -26,9 +26,22 @@ ocv_download(FILENAME ${tbb_filename}
              ID TBB
              STATUS res
              UNPACK RELATIVE_URL)
+if(NOT res)
+  ocv_download(FILENAME "2018_U1"
+               HASH ${tbb_md5}
+               URL
+                 "${OPENCV_TBB_URL}"
+                 "$ENV{OPENCV_TBB_URL}"
+                 "https://codeload.github.com/01org/tbb/tar.gz/"
+               DESTINATION_DIR ${tbb_src_dir}
+               ID TBB
+               STATUS res
+             UNPACK RELATIVE_URL)
+endif()
 if(NOT res)
   return()
 endif()
+
 set(tbb_src_dir "${tbb_src_dir}/${tbb_subdir}")
 
 ocv_include_directories("${tbb_src_dir}/include"
-- 
2.15.2 (Apple Git-101.1)