swig failed when installing paddleslim on macOS or Windows with python>=3.9

[whs]

Solution

macOS

Please install swig with cmd as below:

#  set environment variables to skip updating of brew
export HOMEBREW_NO_AUTO_UPDATE=1
export HOMEBREW_UPDATE_PREINSTALL=0
brew install swig

Windows

Please install swig from https://www.swig.org/download.html

Error log

Building wheels for collected packages: smac, pynisher, pyrfr
  Building wheel for smac (PEP 517) ... done
  Created wheel for smac: filename=smac-1.3.4-py3-none-any.whl size=218017 sha256=45271afe47f3457a6e77c2c53dd17b6605ff1ef69c68c0e5aacb75928c7aa779
  Stored in directory: /Users/wanghaoshuang/Library/Caches/pip/wheels/d0/cb/62/62c54ef694e4cf3846fdbbf788de91c86458ac4044973e7473
  Building wheel for pynisher (setup.py) ... done
  Created wheel for pynisher: filename=pynisher-0.6.4-py3-none-any.whl size=7043 sha256=349ecedf8ae6110e6342752b4712f007d3ad8dcd2fde1b68aacff7f3301fe2cd
  Stored in directory: /Users/wanghaoshuang/Library/Caches/pip/wheels/1d/de/5e/d4947b76b76ba27581d1e09f395eca1583a802203a41c04873
  Building wheel for pyrfr (setup.py) ... error
  ERROR: Command errored out with exit status 1:
   command: /Users/wanghaoshuang/miniconda3/bin/python -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/qz/12m2q98n7kjdfn9mrtk2j1600000gn/T/pip-install-8qe9956_/pyrfr_29aadea9444645b08bc76c6003297fbc/setup.py'"'"'; __file__='"'"'/private/var/folders/qz/12m2q98n7kjdfn9mrtk2j1600000gn/T/pip-install-8qe9956_/pyrfr_29aadea9444645b08bc76c6003297fbc/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d /private/var/folders/qz/12m2q98n7kjdfn9mrtk2j1600000gn/T/pip-wheel-royxjobt
       cwd: /private/var/folders/qz/12m2q98n7kjdfn9mrtk2j1600000gn/T/pip-install-8qe9956_/pyrfr_29aadea9444645b08bc76c6003297fbc/
  Complete output (8 lines):
  [<setuptools.extension.Extension('pyrfr._regression') at 0x7f9409620070>, <setuptools.extension.Extension('pyrfr._util') at 0x7f94096200d0>]
  running bdist_wheel
  running build
  running build_ext
  building 'pyrfr._regression' extension
  swigging pyrfr/regression.i to pyrfr/regression_wrap.cpp
  swig -python -c++ -modern -py3 -features nondynamic -I./include -o pyrfr/regression_wrap.cpp pyrfr/regression.i
  error: command 'swig' failed: No such file or directory
  ----------------------------------------
  ERROR: Failed building wheel for pyrfr