From c8ea198a7839793a06c4729a1d7c6027c03e1001 Mon Sep 17 00:00:00 2001
From: Daniel Agar <daniel@agar.ca>
Date: Fri, 31 May 2019 12:20:50 -0400
Subject: [PATCH] uavcan cmake FATAL_ERROR if platform isn't set

 - this indicates a build system error
---
 src/drivers/uavcan/CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/drivers/uavcan/CMakeLists.txt b/src/drivers/uavcan/CMakeLists.txt
index 69c21f2a34..bc504b8455 100644
--- a/src/drivers/uavcan/CMakeLists.txt
+++ b/src/drivers/uavcan/CMakeLists.txt
@@ -45,6 +45,10 @@ if(CONFIG_ARCH_CHIP)
 	endif()
 endif()
 
+if(NOT DEFINED UAVCAN_PLATFORM)
+	message(FATAL_ERROR "UAVCAN_PLATFORM not set")
+endif()
+
 if(NOT config_uavcan_num_ifaces)
 	message(FATAL_ERROR "config_uavcan_num_ifaces not set")
 endif()