The file pyconfig.h isn't being deployed on target although it is required by some of the core libraries, causing errors such as: error: invalid Python installation: unable to open /usr/include/python3.4m/pyconfig.h (No such file or directory)
Fixed here: http://git.yoctoproject.org/cgit/cgit.cgi/poky/commit/?id=84105eb9bc7eb77a73347960b2cfceb7e5521792
verified: master db92bc23880794be77373b0f2d8c26279dcecb84