Compile AOSP Fail

[mrjerome]

I download source code from here (http://www.cnx-software.com/2015/12/10/a...urce-code/)

I download android_A64_A5.1_V1.0.tar.gz and android_prebuilts_A64_A5.1_V1.0.tar.gz file. 

And I unzip these files and compile those on unbuntu 14.04 LTS

I type these commands.

A64_AOSP$source build/envsetup.sh
A64_AOSP$lunch                             // < -----I choose [aosp_arm64-eng]
A64_AOSP$make -j4

Then ... it's compile start .. but  occurs some error messages that


[6~make: *** No rule to make target `hardware/aw/widevine/widevine_L/Android.mk'.  Stop.]

Have any body compile it successful ? or Any help is appreciated.

Thanks ~