MLECO-929 Add Object Detection sample application using the public ArmNN C++ API

Change-Id: I14aa1b4b726212cffbefd6687203f93f936fa872
Signed-off-by: Éanna Ó Catháin <eanna.ocathain@arm.com>
diff --git a/samples/ObjectDetection/cmake/find_catch.cmake b/samples/ObjectDetection/cmake/find_catch.cmake
new file mode 100644
index 0000000..584b807
--- /dev/null
+++ b/samples/ObjectDetection/cmake/find_catch.cmake
@@ -0,0 +1,16 @@
+# Copyright © 2020 Arm Ltd and Contributors. All rights reserved.
+# SPDX-License-Identifier: MIT
+
+#Test TPIP
+set(TEST_TPIP ${DEPENDENCIES_DIR}/test)
+file(MAKE_DIRECTORY ${TEST_TPIP})
+set(TEST_TPIP_INCLUDE ${TEST_TPIP}/include)
+file(MAKE_DIRECTORY ${TEST_TPIP_INCLUDE})
+
+ExternalProject_Add(catch2-headers
+    URL https://github.com/catchorg/Catch2/releases/download/v2.11.1/catch.hpp
+    DOWNLOAD_NO_EXTRACT 1
+    CONFIGURE_COMMAND ""
+    BUILD_COMMAND ${CMAKE_COMMAND} -E copy <DOWNLOAD_DIR>/catch.hpp ${TEST_TPIP_INCLUDE}
+    INSTALL_COMMAND ""
+    )
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