build GPU mali_t600 "Android renderscript compute ddk" have some error

reference ARM mali-t600 Document: DIT0023H_mali_t600_linux_im.pdf 

base  Android 4.2.2-r1 kernel , build ARM mali-t600 gpu Renderscript Compute DDK,

with command :  scons -f bldsys/sconstruct profile=tx041-release gpu=t60x cl=1

software build tools and environment :

OS: ubuntu 10.04

CROSS_COMPILE=arm-none-linux-gnueabi-gcc v4.5.1

Android source code： Android 4.2.2-r1 and linux common kernel

have some errors information：

scons: warning: Ignoring missing SConscript 'build/6f5eb9c5-target/android/gralloc/sconscript'

File "/opt/gpu_ddk/driver/product/android/sconscript", line 12, in <module>
KeyError: 'LLVM_INDIVIDUAL_LIBS':
File "/opt/gpu_ddk/driver/product/bldsys/sconstruct", line 650:
post_script_processing( env )
File "/opt/gpu_ddk/driver/product/bldsys/monolithic.py", line 3478:
_generate_android_build_files( env, required_lib_details, required_programs_details, required_others, exclude_libmali = libmali_details.excluded )
File "/opt/gpu_ddk/driver/product/bldsys/monolithic.py", line 2993:
_write_android_lib_details( fout, lib_details )
File "/opt/gpu_ddk/driver/product/bldsys/monolithic.py", line 2735:
for lib in details.env['LLVM_INDIVIDUAL_LIBS']:
File "/usr/local/lib/scons-2.0.1/SCons/Environment.py", line 2196:
return self.__dict__['__subject'].__getitem__(key)
File "/usr/local/lib/scons-2.0.1/SCons/Environment.py", line 409:
return self._dict[key]

I have installed LLVM, but have some error when building the ddk.

please help me, thank you