Run export / version pinning missing for cpp package

[kuepe-sl]

Solution to issue cannot be found in the documentation.

• I checked the documentation.

Issue

When building a Conda package that links against onnxruntime-cpp and installing it later, it will NOT install onnxruntime-cpp due to the run export setting being missing.

I also noticed, that the version pinning has different requirements depending on the platform:

• Windows: output library files are bin/onnxruntime_conda.dll and lib/onnxruntime_conda.lib.
  • run export {{ pin_subpackage('onnxruntime-cpp', max_pin='x') }} is sufficient
• Linux: output library files are lib/libonnxruntime.so.1.16.0 and lib/libonnxruntime.so. The latter file is a copy of the former file and not a symlink.
  • run export {{ pin_subpackage('onnxruntime-cpp', max_pin='x.x.x') }} is required
  • Reason: The internal SONAME refers to libonnxruntime.so.1.16.0 in both files. This causes the linker to use the .so.1.16.0 files, even if you explicitly link to the version-less .so file.

Installed packages

N/A

Environment info

N/A