我是 Linux 新手。我在 devkit8000（beagleboard 的副本）上移植了 android，但在编译 android 源代码时遇到了很多错误。下面是“make”命令的结果。
============================================
PLATFORM_VERSION_CODENAME=REL
PLATFORM_VERSION=2.2
TARGET_PRODUCT=devkit8000
TARGET_BUILD_VARIANT=eng
TARGET_SIMULATOR=
TARGET_BUILD_TYPE=release
TARGET_BUILD_APPS=
TARGET_ARCH=arm
HOST_ARCH=x86
HOST_OS=linux
HOST_BUILD_TYPE=release
BUILD_ID=MASTER
============================================
Install: out/host/linux-x86/framework/apicheck.jar
Install: out/host/linux-x86/framework/clearsilver.jar
Install: out/host/linux-x86/framework/droiddoc.jar
Install: out/host/linux-x86/lib/libneo_util.so
Install: out/host/linux-x86/lib/libneo_cs.so
Install: out/host/linux-x86/lib/libneo_cgi.so
Install: out/host/linux-x86/lib/libclearsilver-jni.so
Copying: out/target/common/obj/JAVA_LIBRARIES/core_intermediates/classes-full-debug.jar
Install: out/host/linux-x86/framework/dx.jar
Install: out/host/linux-x86/bin/dx
**target Dex: core
Exception in thread "main" java.lang.NoClassDefFoundError: com/android/dx/command/Main
**make: *** [out/target/common/obj/JAVA_LIBRARIES/core_intermediates/classes.dex] Error 1****
我找不到此错误的正确解决方案。请帮助:(