[Tools] Fix the RTT_ROOT issue
@@ -202,6 +202,11 @@ def PrepareBuilding(env, root_directory, has_libcpu=False, remove_components = [
Env = env
Rtt_Root = os.path.abspath(root_directory)
+
+ # make an absolute root directory
+ RTT_ROOT = Rtt_Root
+ Export('RTT_ROOT')
+
# set RTT_ROOT in ENV
Env['RTT_ROOT'] = Rtt_Root
# set BSP_ROOT in ENV
