uorb generate interally set required paths

Tools/px_generate_uorb_topic_headers.py

@@ -43,6 +43,11 @@ import shutil
 import filecmp
 import argparse
 
+import sys
+px4_tools_dir = os.path.dirname(os.path.abspath(__file__))
+sys.path.append(px4_tools_dir + "/genmsg/src")
+sys.path.append(px4_tools_dir + "/gencpp/src")
+
 try:
         import genmsg.template_tools
 except ImportError as e:

cmake/common/px4_base.cmake

@@ -330,7 +330,6 @@ function(px4_generate_messages)
 	if(NOT VERBOSE)
 		set(QUIET "-q")
 	endif()
-	set(PYTHONPATH "${CMAKE_SOURCE_DIR}/Tools/genmsg/src:${CMAKE_SOURCE_DIR}/Tools/gencpp/src:$ENV{PYTHONPATH}")
 	set(msg_out_path ${CMAKE_BINARY_DIR}/src/modules/uORB/topics)
 	set(msg_list)
 	foreach(msg_file ${MSG_FILES})
@@ -342,7 +341,7 @@ function(px4_generate_messages)
 		list(APPEND msg_files_out ${msg_out_path}/${msg}.h)
 	endforeach()
 	add_custom_command(OUTPUT ${msg_files_out}
-		COMMAND PYTHONPATH=${PYTHONPATH} ${PYTHON_EXECUTABLE} 
+		COMMAND ${PYTHON_EXECUTABLE} 
 			Tools/px_generate_uorb_topic_headers.py
 			${QUIET}
 			-d msg
@@ -363,7 +362,7 @@ function(px4_generate_messages)
 		list(APPEND msg_multi_files_out ${msg_multi_out_path}/px4_${msg}.h)
 	endforeach()
 	add_custom_command(OUTPUT ${msg_multi_files_out}
-		COMMAND PYTHONPATH=${PYTHONPATH} ${PYTHON_EXECUTABLE} 
+		COMMAND ${PYTHON_EXECUTABLE} 
 			Tools/px_generate_uorb_topic_headers.py
 			${QUIET}
 			-d msg
@@ -425,7 +424,7 @@ function(px4_add_upload)
 	endif()
 	px4_join(OUT serial_ports LIST "${serial_ports}" GLUE ",")
 	add_custom_target(${OUT}
-		COMMAND PYTHONPATH=${PYTHONPATH} ${PYTHON_EXECUTABLE}
+		COMMAND ${PYTHON_EXECUTABLE}
 			${CMAKE_SOURCE_DIR}/Tools/px_uploader.py --port ${serial_ports} ${BUNDLE}
 		DEPENDS ${BUNDLE}
 		WORKING_DIRECTORY ${CMAKE_BINARY_DIR}