Omni compile error topic

well i been tryng to compile Omni rom and i cant get past this error need help.

Code:

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Export includes file: bootable/recovery/updater/Android.mk -- /home/chava/android/omni/out/target/product/mb886/obj/EXECUTABLES/updater_intermediates/export_includes
APK certs list: /home/chava/android/omni/out/target/product/mb886/obj/PACKAGING/apkcerts_intermediates/omni_mb886-apkcerts-eng.chava.txt
Import includes file: /home/chava/android/omni/out/host/linux-x86/obj/EXECUTABLES/fs_config_intermediates/import_includes
make: *** No rule to make target `/home/chava/android/omni/out/host/linux-x86/bin/unpackbootimg', needed by `/home/chava/android/omni/out/target/product/mb886/omni_mb886-ota-eng.chava.zip'.  Stop.
make: *** Waiting for unfinished jobs....
Export includes file: build/tools/fs_config/Android.mk -- /home/chava/android/omni/out/host/linux-x86/obj/EXECUTABLES/fs_config_intermediates/export_includes
# In case value of PACKAGES is empty.

real        4m5.351s
user        4m41.026s
sys        0m15.305s
chava@chava-Satellite-L875D:~/android/omni$

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