build error in cpp file

Hi There, I am trying to build simple cpp application file in mynewt, but not able to build so getting lot of compilation error. Any pointer on this would be great help - usr/include/newlib/c++/4.9.3/arm-none-eabi/armv7-m/bits/ctype_base.h:46:35: error: '_U' was not declared in this

newt test suite for a bsp port

Hi There, How can I run existing test suite for particular BSP instead of native. #newt test all instead of native how can I run this on my target. Thanks & regards, Inderpal