Compile android x86 kit kat Error

[Andy Percept]

I am using java version 6 to compile on Ubuntu x64 machine,
but during compilation process i am getting error please check the attachment.

Can any one guide please...

Thanks & Regards
Arun Mudaliar

[Andy Percept]

I am using following steps

Android source from
repo init -u http://git.android-x86.org/manifest -b kitkat-x86
repo sync

Compilation steps:
1) make clean
2) make mrproper
3) make iso_img TARGET_PRODUCT=android_x86 TARGET_KERNEL_CONFIG=android-x86_defconfig

I have downloaded the android source from android x86