Ubuntu16.04编译Android 4.4

Ubuntu16.04编译Android 4.4

参考：https://nosemaj.org/howto-build-android-kitkat-nexus-5

问题：Can’t use ‘defined(@array)’ (Maybe you should just omit the defined()?) at kernel/timeconst.pl
答案：https://blog.csdn.net/wsclinux/article/details/77162244

问题：
frameworks/base/media/jni
frameworks/base/media/jni/android_mtp_MtpDatabase.cpp:40:19: fatal error: jhead.h: No such file or directory

添加一行：

LOCAL_C_INCLUDES += \
    external/jhead \