Failed to build rapidyaml

Pip subprocess error:
  ERROR: Command errored out with exit status 1:
   command: /home/arvindsrinivasan/Documents/GTRI/symbiflow-arch-defs/env/conda/envs/symbiflow_arch_def_base/bin/python /home/arvindsrinivasan/Documents/GTRI/symbiflow-arch-defs/env/conda/envs/symbiflow_arch_def_base/lib/python3.7/site-packages/pip/_vendor/pep517/_in_process.py build_wheel /tmp/tmpig9qyxie
       cwd: /tmp/pip-install-j373xai2/rapidyaml_607994dbdd80405c9318f8d898445581/api/python
  Complete output (86 lines):
  running bdist_wheel
  running build
  running build_py
  creating build
  creating build/lib.linux-x86_64-3.7
  creating build/lib.linux-x86_64-3.7/ryml
  copying ryml/__init__.py -> build/lib.linux-x86_64-3.7/ryml
  running build_ext
  -- The CXX compiler identification is GNU 10.2.0
  -- Detecting CXX compiler ABI info
  -- Detecting CXX compiler ABI info - done
  -- Check for working CXX compiler: /usr/bin/c++ - skipped
  -- Detecting CXX compile features
  -- Detecting CXX compile features - done
  -- ryml: using C++ standard: C++11
  -- ryml: setting C++ standard: 11
  -- ryml: setting C++ standard required: ON
  -- ryml: importing subproject c4core (SUBDIRECTORY)... /tmp/pip-install-j373xai2/rapidyaml_607994dbdd80405c9318f8d898445581/ext/c4core
  -- c4core: using C++ standard: C++11
  -- ryml: -----> target ryml PUBLIC incorporating lib c4core
  -- ryml: packing the project
  -- ryml: enabling API
  CMake Error at /home/arvindsrinivasan/Documents/GTRI/symbiflow-arch-defs/env/conda/envs/symbiflow_arch_def_base/share/cmake-3.19/Modules/FindPackageHandleStandardArgs.cmake:218 (message):
    Could NOT find SWIG (missing: SWIG_EXECUTABLE SWIG_DIR)
  Call Stack (most recent call first):
    /home/arvindsrinivasan/Documents/GTRI/symbiflow-arch-defs/env/conda/envs/symbiflow_arch_def_base/share/cmake-3.19/Modules/FindPackageHandleStandardArgs.cmake:582 (_FPHSA_FAILURE_MESSAGE)
    /home/arvindsrinivasan/Documents/GTRI/symbiflow-arch-defs/env/conda/envs/symbiflow_arch_def_base/share/cmake-3.19/Modules/FindSWIG.cmake:138 (find_package_handle_standard_args)
    api/CMakeLists.txt:11 (find_package)


  -- Configuring incomplete, errors occurred!
  See also "/tmp/pip-install-j373xai2/rapidyaml_607994dbdd80405c9318f8d898445581/api/python/build/temp.linux-x86_64-3.7_ryml.ryml/CMakeFiles/CMakeOutput.log".

  ==> Configuring:
  $ cmake -S /tmp/pip-install-j373xai2/rapidyaml_607994dbdd80405c9318f8d898445581/api/python/../.. -B /tmp/pip-install-j373xai2/rapidyaml_607994dbdd80405c9318f8d898445581/api/python/build/temp.linux-x86_64-3.7_ryml.ryml -GNinja -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX:PATH=/tmp/pip-install-j373xai2/rapidyaml_607994dbdd80405c9318f8d898445581/api/python/build/lib.linux-x86_64-3.7/ryml -DRYML_BUILD_API:BOOL=ON

  ==> Building:
  $ cmake --build /tmp/pip-install-j373xai2/rapidyaml_607994dbdd80405c9318f8d898445581/api/python/build/temp.linux-x86_64-3.7_ryml.ryml --config Release

  ==> Installing:
  $ cmake --build /tmp/pip-install-j373xai2/rapidyaml_607994dbdd80405c9318f8d898445581/api/python/build/temp.linux-x86_64-3.7_ryml.ryml --target install

  Traceback (most recent call last):
    File "/home/arvindsrinivasan/Documents/GTRI/symbiflow-arch-defs/env/conda/envs/symbiflow_arch_def_base/lib/python3.7/site-packages/pip/_vendor/pep517/_in_process.py", line 280, in <module>
      main()
    File "/home/arvindsrinivasan/Documents/GTRI/symbiflow-arch-defs/env/conda/envs/symbiflow_arch_def_base/lib/python3.7/site-packages/pip/_vendor/pep517/_in_process.py", line 263, in main
      json_out['return_val'] = hook(**hook_input['kwargs'])
    File "/home/arvindsrinivasan/Documents/GTRI/symbiflow-arch-defs/env/conda/envs/symbiflow_arch_def_base/lib/python3.7/site-packages/pip/_vendor/pep517/_in_process.py", line 205, in build_wheel
      metadata_directory)
    File "/tmp/pip-build-env-vftf7xte/overlay/lib/python3.7/site-packages/setuptools/build_meta.py", line 217, in build_wheel
      wheel_directory, config_settings)
    File "/tmp/pip-build-env-vftf7xte/overlay/lib/python3.7/site-packages/setuptools/build_meta.py", line 202, in _build_with_temp_dir
      self.run_setup()
    File "/tmp/pip-build-env-vftf7xte/overlay/lib/python3.7/site-packages/setuptools/build_meta.py", line 254, in run_setup
      self).run_setup(setup_script=setup_script)
    File "/tmp/pip-build-env-vftf7xte/overlay/lib/python3.7/site-packages/setuptools/build_meta.py", line 145, in run_setup
      exec(compile(code, __file__, 'exec'), locals())
    File "setup.py", line 31, in <module>
      license='MIT',
    File "/tmp/pip-build-env-vftf7xte/overlay/lib/python3.7/site-packages/setuptools/__init__.py", line 153, in setup
      return distutils.core.setup(**attrs)
    File "/home/arvindsrinivasan/Documents/GTRI/symbiflow-arch-defs/env/conda/envs/symbiflow_arch_def_base/lib/python3.7/distutils/core.py", line 148, in setup
      dist.run_commands()
    File "/home/arvindsrinivasan/Documents/GTRI/symbiflow-arch-defs/env/conda/envs/symbiflow_arch_def_base/lib/python3.7/distutils/dist.py", line 966, in run_commands
      self.run_command(cmd)
    File "/home/arvindsrinivasan/Documents/GTRI/symbiflow-arch-defs/env/conda/envs/symbiflow_arch_def_base/lib/python3.7/distutils/dist.py", line 985, in run_command
      cmd_obj.run()
    File "/tmp/pip-build-env-vftf7xte/overlay/lib/python3.7/site-packages/wheel/bdist_wheel.py", line 299, in run
      self.run_command('build')
    File "/home/arvindsrinivasan/Documents/GTRI/symbiflow-arch-defs/env/conda/envs/symbiflow_arch_def_base/lib/python3.7/distutils/cmd.py", line 313, in run_command
      self.distribution.run_command(command)
    File "/home/arvindsrinivasan/Documents/GTRI/symbiflow-arch-defs/env/conda/envs/symbiflow_arch_def_base/lib/python3.7/distutils/dist.py", line 985, in run_command
      cmd_obj.run()
    File "/home/arvindsrinivasan/Documents/GTRI/symbiflow-arch-defs/env/conda/envs/symbiflow_arch_def_base/lib/python3.7/distutils/command/build.py", line 135, in run
      self.run_command(cmd_name)
    File "/home/arvindsrinivasan/Documents/GTRI/symbiflow-arch-defs/env/conda/envs/symbiflow_arch_def_base/lib/python3.7/distutils/cmd.py", line 313, in run_command
      self.distribution.run_command(command)
    File "/home/arvindsrinivasan/Documents/GTRI/symbiflow-arch-defs/env/conda/envs/symbiflow_arch_def_base/lib/python3.7/distutils/dist.py", line 985, in run_command
      cmd_obj.run()
    File "/tmp/pip-build-env-vftf7xte/overlay/lib/python3.7/site-packages/cmake_build_extension/build_extension.py", line 66, in run
      self.build_extension(ext)
    File "/tmp/pip-build-env-vftf7xte/overlay/lib/python3.7/site-packages/cmake_build_extension/build_extension.py", line 171, in build_extension
      subprocess.check_call(configure_command)
    File "/home/arvindsrinivasan/Documents/GTRI/symbiflow-arch-defs/env/conda/envs/symbiflow_arch_def_base/lib/python3.7/subprocess.py", line 363, in check_call
      raise CalledProcessError(retcode, cmd)
  subprocess.CalledProcessError: Command '['cmake', '-S', '/tmp/pip-install-j373xai2/rapidyaml_607994dbdd80405c9318f8d898445581/api/python/../..', '-B', '/tmp/pip-install-j373xai2/rapidyaml_607994dbdd80405c9318f8d898445581/api/python/build/temp.linux-x86_64-3.7_ryml.ryml', '-GNinja', '-DCMAKE_BUILD_TYPE=Release', '-DCMAKE_INSTALL_PREFIX:PATH=/tmp/pip-install-j373xai2/rapidyaml_607994dbdd80405c9318f8d898445581/api/python/build/lib.linux-x86_64-3.7/ryml', '-DRYML_BUILD_API:BOOL=ON']' returned non-zero exit status 1.
  ----------------------------------------
  ERROR: Failed building wheel for rapidyaml
ERROR: Could not build wheels for rapidyaml which use PEP 517 and cannot be installed directly

failed

CondaEnvException: Pip failed