ubuntu 12.04.5，android 5.0.2
#cd /opt/FriendlyARM/tiny4412/android/ android-5.0.2
#. setenv ;注意“ .”后面有一个空格
# make
make出现如下问题：
build/core/envsetup.mk:94: *** Unable to determine HOST_ARCH from uname -sm: Linux i686!. Stop.
#### make failed to build some targets ####
