MaixPy project build error for TensorFlow Lite Micro Hello world example

[marconi1964]

Describe the bug I tried to build MaixPy with TensorFlow Lite Micro hello world example, but fail in finding *.h in MaixPy build. I am not familiar with cmake build, does not know how to add "include" directory in source directory CMakeLists.txt. The (partial of) CMakeLists.txt in source directory is listed below.

A clear and concise description of what the bug is.

To Reproduce Steps to reproduce the behavior:

1. Build TensorFlow Lite Micro (TFLM) source code, and copy source code from TFLM to maixpy directory.

# download MaixPy
$ git clone https://github.com/sipeed/maixpy
# Create a new directory for TFLM hello world
$ mkdir -p maixpy/projects/TFLM_hello_world
# Copy MaixPy hello world template directory to TLFM hello world
$ cp -r maixpy/projects/hello_world/ maixpy/projects/TLFM_hello_world/
# download TensorFlow
$ git clone https://github.com/tensorflow/tensorflow.git
$ cd tensorflow
# TensorFlow Lite Micro build source files structure
$ make -f tensorflow/lite/micro/tools/make/Makefile TARGET=riscv32_mcu generate_hello_world_make_project
$ cd tensorflow/lite/micro/tools/make/gen/riscv32_mcu_riscv32_mcu_micro/prj/hello_world/make
$ ls -l
total 40
-rw-r--r-- 1 ubuntu ubuntu 15503 Apr 20 07:43 LICENSE
-rw-r--r-- 1 ubuntu ubuntu 11291 Apr 20 07:43 Makefile
-rw-r--r-- 1 ubuntu ubuntu   810 Apr 20 07:43 README_MAKE.md
drwxr-xr-x 3 ubuntu ubuntu  4096 Apr 20 07:43 tensorflow
drwxr-xr-x 6 ubuntu ubuntu  4096 Apr 20 07:43 third_party

$ cp -r ./  ~/maixpy/projects/TFLM_hello_world

2. Modify source directory CMakeLists.txt "Add source files", based on TFLM Makefile content (SRCS:= .....)

$ cd maixpy/TFLM_hello_world/main/
$ cat CMakeLists.txt
############### Add include ###################
list(APPEND ADD_INCLUDE "."
    )
# list(APPEND ADD_PRIVATE_INCLUDE "")
###############################################

############ Add source files #################
list(APPEND ADD_SRCS 
"tensorflow/lite/micro/simple_memory_allocator.cc"
"tensorflow/lite/micro/simple_memory_allocator.h"
"tensorflow/lite/micro/micro_error_reporter.cc"
"tensorflow/lite/micro/all_ops_resolver.cc"
"tensorflow/lite/micro/memory_helpers.cc"
....
"tensorflow/lite/micro/examples/hello_world/main.cc" 
"tensorflow/lite/micro/examples/hello_world/main_functions.cc" 
"tensorflow/lite/micro/examples/hello_world/model.cc" 
"tensorflow/lite/micro/examples/hello_world/output_handler.cc" 
"tensorflow/lite/micro/examples/hello_world/constants.cc" 
"tensorflow/lite/micro/tools/make/downloads/sifive_fe310_lib/bsp/libwrap/misc/write_hex.c" 
"tensorflow/lite/micro/tools/make/downloads/sifive_fe310_lib/bsp/libwrap/stdlib/malloc.c" 
"tensorflow/lite/micro/tools/make/downloads/sifive_fe310_lib/bsp/env/start.S" 
"tensorflow/lite/micro/tools/make/downloads/sifive_fe310_lib/bsp/env/entry.S" 
"tensorflow/lite/micro/tools/make/downloads/sifive_fe310_lib/bsp/env/freedom-e300-hifive1/init.c"
"tensorflow/lite/micro/arduino/abi.cc"
    )
# aux_source_directory(src ADD_SRCS)
# list(REMOVE_ITEM COMPONENT_SRCS "src/test2.c")
###############################################

###### Add required/dependent components ######
list(APPEND ADD_REQUIREMENTS kendryte_sdk)
###############################################

############ Add static libs ##################
# list(APPEND ADD_STATIC_LIB "lib/libtest.a")
###############################################


register_component()

3. MaixPy build and error occurs

$ cd ~/maixpy/projects/TFLM_hello_world
$ python3 project.py build
.....
In file included from /home/ubuntu/maixpy/projects/amigo_tflm/main/tensorflow/lite/kernels/internal/quantization_util.h:23,
                 from /home/ubuntu/maixpy/projects/amigo_tflm/main/tensorflow/lite/kernels/internal/quantization_util.cc:16:
/home/ubuntu/maixpy/projects/amigo_tflm/main/tensorflow/lite/kernels/internal/cppmath.h: In function 'T tflite::TfLiteRound(T)':
/home/ubuntu/maixpy/projects/amigo_tflm/main/tensorflow/lite/kernels/internal/cppmath.h:36:41: error: 'round' is not a member of 'std'
 DECLARE_STD_GLOBAL_SWITCH1(TfLiteRound, round);
                                         ^~~~~
/home/ubuntu/maixpy/projects/amigo_tflm/main/tensorflow/lite/kernels/internal/cppmath.h:33:39: note: in definition of macro 'DECLARE_STD_GLOBAL_SWITCH1'
     return TF_LITE_GLOBAL_STD_PREFIX::std_name(x);    \
                                       ^~~~~~~~
/home/ubuntu/maixpy/projects/amigo_tflm/main/tensorflow/lite/kernels/internal/cppmath.h:36:41: note: suggested alternative:
 DECLARE_STD_GLOBAL_SWITCH1(TfLiteRound, round);
                                         ^~~~~
/home/ubuntu/maixpy/projects/amigo_tflm/main/tensorflow/lite/kernels/internal/cppmath.h:33:39: note: in definition of macro 'DECLARE_STD_GLOBAL_SWITCH1'
     return TF_LITE_GLOBAL_STD_PREFIX::std_name(x);    \
                                       ^~~~~~~~
In file included from /opt/kendryte-toolchain/riscv64-unknown-elf/include/c++/8.2.0/cmath:45,
                 from /home/ubuntu/maixpy/projects/amigo_tflm/main/tensorflow/lite/kernels/internal/quantization_util.h:18,
                 from /home/ubuntu/maixpy/projects/amigo_tflm/main/tensorflow/lite/kernels/internal/quantization_util.cc:16:
/opt/kendryte-toolchain/riscv64-unknown-elf/include/math.h:308:15: note:   'round'
 extern double round (double);
               ^~~~~
In file included from /home/ubuntu/maixpy/projects/amigo_tflm/main/tensorflow/lite/kernels/internal/quantization_util.h:23,
                 from /home/ubuntu/maixpy/projects/amigo_tflm/main/tensorflow/lite/kernels/internal/quantization_util.cc:16:
/home/ubuntu/maixpy/projects/amigo_tflm/main/tensorflow/lite/kernels/internal/cppmath.h: In function 'T tflite::TfLiteExpm1(T)':
/home/ubuntu/maixpy/projects/amigo_tflm/main/tensorflow/lite/kernels/internal/cppmath.h:37:41: error: 'expm1' is not a member of 'std'
 DECLARE_STD_GLOBAL_SWITCH1(TfLiteExpm1, expm1);
                                         ^~~~~
/home/ubuntu/maixpy/projects/amigo_tflm/main/tensorflow/lite/kernels/internal/cppmath.h:33:39: note: in definition of macro 'DECLARE_STD_GLOBAL_SWITCH1'
     return TF_LITE_GLOBAL_STD_PREFIX::std_name(x);    \
                                       ^~~~~~~~
/home/ubuntu/maixpy/projects/amigo_tflm/main/tensorflow/lite/kernels/internal/cppmath.h:37:41: note: suggested alternative: 'exp'
 DECLARE_STD_GLOBAL_SWITCH1(TfLiteExpm1, expm1);
                                         ^~~~~
/home/ubuntu/maixpy/projects/amigo_tflm/main/tensorflow/lite/kernels/internal/cppmath.h:33:39: note: in definition of macro 'DECLARE_STD_GLOBAL_SWITCH1'
     return TF_LITE_GLOBAL_STD_PREFIX::std_name(x);    \
                                       ^~~~~~~~

Please complete the following information

• IDE version:
• Firmware version:
• Board: Maix Amigo
• OS: Linux Ubuntu 18.04

[zhongpanwu]

Hi, have you solved this problem , could you give me some clues, thank you

[Neutree]

uset python project.py rebuild --verbose to see what dependence or something wrong