MWE which links the ONNX library to a basic C++ program, and allows models into be loaded and manipulated.
The ONNX library should be installed by running (and be sure to instal dependencies):
git clone https://github.com/onnx/onnx.git
cd onnx
git submodule update --init --recursive
python setup.py install
Ideally into a directory called ~/tools/onnx. If you want it elsewhere, you'll need to change the hardcoded paths in <CMakeLists.txt>.
Initially, the MWE did not work on my machine, failing with error:
terminate called after throwing an instance of 'std::system_error'
what(): Unknown error -1
and with gdb giving further information:
Program received signal SIGABRT, Aborted.
__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
50 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
The error did not occur an another machine, but it was eventually fixed by linking pthread on my host machine.
To run the example:
mkdir _build
cd _build
cmake .. && make
./src/main ../test_model.onnx