The problem is about the compile of ti-processor-sdk-rtos-j721e-evm-07_03_00_07

Hello,

When i compile the 'ti-processor-sdk-rtos-j721e-evm-07_03_00_07' using "make TARGET_PLATFORM=PC", I have the following problem. The settings is as follows.  Please how to solve this problem. Thanks very much.

ubuntu18.04

opencv-4.1.0

protobuf-3.11.3

flatbuffers-1.12.0

======== MAKING CUSTOM LIB =================
make -C ./ti_dl/custom -f makefile
make[1]: Entering directory '~/TI_env/0703/ti-processor-sdk-rtos-j721e-evm-07_03_00_07/tidl_j7_02_00_00_07/ti_dl/custom'
compiling tidl_custom_maxpooling.c
In file included from tidsp/tidl_custom_maxpool_ixX_oxX.h:25:0,
from tidl_custom_maxpooling.c:82:
tidsp/c7x.h:151:21: fatal error: c7x_ecr.h: No such file or directory
compilation terminated.
~/TI_env/0703/ti-processor-sdk-rtos-j721e-evm-07_03_00_07/tidl_j7_02_00_00_07/makerules/rules.mk:463: recipe for target '~/TI_env/0703/ti-processor-sdk-rtos-j721e-evm-07_03_00_07/tidl_j7_02_00_00_07/out/PC/dsp/algo/release/ti_dl/custom/tidl_custom_maxpooling.obj' failed
make[1]: *** [~/TI_env/0703/ti-processor-sdk-rtos-j721e-evm-07_03_00_07/tidl_j7_02_00_00_07/out/PC/dsp/algo/release/ti_dl/custom/tidl_custom_maxpooling.obj] Error 1
make[1]: Leaving directory '~/TI_env/0703/ti-processor-sdk-rtos-j721e-evm-07_03_00_07/tidl_j7_02_00_00_07/ti_dl/custom'
makefile:321: recipe for target 'custom' failed
make: *** [custom] Error 2