fix compile ARM flags
fix compile ARM flags
update GPSD client
update GPSD client
code clean-up
code clean-up
code clean-up
code clean-up & add proj str accessor for raster
fix logging
fix typo
code clean-up
code clean-up
code clean-up
code clean-up
update ARM gps client
update Dart for test
update Dart for test
add doc
try to fix build warning