[CMAKE] Rumor has it that CMake and Yocto are not best friends, so Yocto refuses to set the CMAKE_SYSROOT. So lets use the BR environment variable STAGING_DIR.

Author: pwielders

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.7)
 
-include(${CMAKE_SYSROOT}${CMAKE_INSTALL_PREFIX}/include/cmake/tools.cmake)
+include($ENV{STAGING_DIR}${CMAKE_INSTALL_PREFIX}/include/cmake/tools.cmake)
 
 set(PLUGIN_NAME Launcher)
 set(MODULE_NAME ${NAMESPACE}${PLUGIN_NAME})