Getting "WARNING (aesara.configdefaults): g++ not available," on fresh PyMC4 install

Sure thing. Here’s what I’m getting for creating a new environment:

conda create output
c:\testing\anaconda_2022_05\Scripts>conda create -c conda-forge -n test_env_2 "pymc>=4"
Collecting package metadata (current_repodata.json): done
Solving environment: failed with repodata from current_repodata.json, will retry with next repodata source.
Collecting package metadata (repodata.json): done
Solving environment: done


==> WARNING: A newer version of conda exists. <==
  current version: 4.12.0
  latest version: 4.13.0

Please update conda by running

    $ conda update -n base -c defaults conda



## Package Plan ##

  environment location: c:\testing\anaconda_2022_05\envs\test_env_2

  added / updated specs:
    - pymc[version='>=4']


The following packages will be downloaded:

    package                    |            build
    ---------------------------|-----------------
    aeppl-0.0.31               |     pyhd8ed1ab_2           5 KB  conda-forge
    aeppl-base-0.0.31          |     pyhd8ed1ab_2          41 KB  conda-forge
    fonttools-4.34.2           |  py310he2412df_0         1.6 MB  conda-forge
    libpng-1.6.37              |       h1d00b33_3         735 KB  conda-forge
    openssl-3.0.5              |       h8ffe710_0         7.6 MB  conda-forge
    ------------------------------------------------------------
                                           Total:        10.0 MB

The following NEW packages will be INSTALLED:

  aeppl              conda-forge/noarch::aeppl-0.0.31-pyhd8ed1ab_2
  aeppl-base         conda-forge/noarch::aeppl-base-0.0.31-pyhd8ed1ab_2
  aesara             conda-forge/win-64::aesara-2.7.4-py310hfa0c5ed_1
  aesara-base        conda-forge/win-64::aesara-base-2.7.4-py310h5588dad_1
  arviz              conda-forge/noarch::arviz-0.12.1-pyhd8ed1ab_0
  blas               conda-forge/win-64::blas-2.115-mkl
  blas-devel         conda-forge/win-64::blas-devel-3.9.0-15_win64_mkl
  brotli             conda-forge/win-64::brotli-1.0.9-h8ffe710_7
  brotli-bin         conda-forge/win-64::brotli-bin-1.0.9-h8ffe710_7
  bzip2              conda-forge/win-64::bzip2-1.0.8-h8ffe710_4
  ca-certificates    conda-forge/win-64::ca-certificates-2022.6.15-h5b45459_0
  cachetools         conda-forge/noarch::cachetools-5.0.0-pyhd8ed1ab_0
  certifi            conda-forge/win-64::certifi-2022.6.15-py310h5588dad_0
  cftime             conda-forge/win-64::cftime-1.6.1-py310h2873277_0
  cloudpickle        conda-forge/noarch::cloudpickle-2.1.0-pyhd8ed1ab_0
  cons               conda-forge/noarch::cons-0.4.5-pyhd8ed1ab_0
  curl               conda-forge/win-64::curl-7.83.1-h789b8ee_0
  cycler             conda-forge/noarch::cycler-0.11.0-pyhd8ed1ab_0
  etuples            conda-forge/noarch::etuples-0.3.5-pyhd8ed1ab_0
  fastprogress       conda-forge/noarch::fastprogress-1.0.2-pyhd8ed1ab_0
  filelock           conda-forge/noarch::filelock-3.7.1-pyhd8ed1ab_0
  fonttools          conda-forge/win-64::fonttools-4.34.2-py310he2412df_0
  freetype           conda-forge/win-64::freetype-2.10.4-h546665d_1
  hdf4               conda-forge/win-64::hdf4-4.2.15-h0e5069d_3
  hdf5               conda-forge/win-64::hdf5-1.12.1-nompi_h57737ce_104
  importlib-metadata conda-forge/win-64::importlib-metadata-4.11.4-py310h5588dad_0
  importlib_metadata conda-forge/noarch::importlib_metadata-4.11.4-hd8ed1ab_0
  intel-openmp       conda-forge/win-64::intel-openmp-2022.1.0-h57928b3_3787
  jpeg               conda-forge/win-64::jpeg-9e-h8ffe710_2
  kiwisolver         conda-forge/win-64::kiwisolver-1.4.3-py310h476a331_0
  krb5               conda-forge/win-64::krb5-1.19.3-hc8ab02b_0
  lcms2              conda-forge/win-64::lcms2-2.12-h2a16943_0
  lerc               conda-forge/win-64::lerc-3.0-h0e60522_0
  libblas            conda-forge/win-64::libblas-3.9.0-15_win64_mkl
  libbrotlicommon    conda-forge/win-64::libbrotlicommon-1.0.9-h8ffe710_7
  libbrotlidec       conda-forge/win-64::libbrotlidec-1.0.9-h8ffe710_7
  libbrotlienc       conda-forge/win-64::libbrotlienc-1.0.9-h8ffe710_7
  libcblas           conda-forge/win-64::libcblas-3.9.0-15_win64_mkl
  libcurl            conda-forge/win-64::libcurl-7.83.1-h789b8ee_0
  libdeflate         conda-forge/win-64::libdeflate-1.12-h8ffe710_0
  libffi             conda-forge/win-64::libffi-3.4.2-h8ffe710_5
  liblapack          conda-forge/win-64::liblapack-3.9.0-15_win64_mkl
  liblapacke         conda-forge/win-64::liblapacke-3.9.0-15_win64_mkl
  libnetcdf          conda-forge/win-64::libnetcdf-4.8.1-nompi_h1cc8e9d_102
  libpng             conda-forge/win-64::libpng-1.6.37-h1d00b33_3
  libssh2            conda-forge/win-64::libssh2-1.10.0-h9a1e1f7_2
  libtiff            conda-forge/win-64::libtiff-4.4.0-h2ed3b44_1
  libwebp            conda-forge/win-64::libwebp-1.2.2-h57928b3_0
  libwebp-base       conda-forge/win-64::libwebp-base-1.2.2-h8ffe710_1
  libxcb             conda-forge/win-64::libxcb-1.13-hcd874cb_1004
  libzip             conda-forge/win-64::libzip-1.9.2-h519de47_0
  libzlib            conda-forge/win-64::libzlib-1.2.12-h8ffe710_1
  logical-unificati~ conda-forge/noarch::logical-unification-0.4.5-pyhd8ed1ab_0
  lz4-c              conda-forge/win-64::lz4-c-1.9.3-h8ffe710_1
  m2w64-binutils     conda-forge/win-64::m2w64-binutils-2.25.1-5
  m2w64-bzip2        conda-forge/win-64::m2w64-bzip2-1.0.6-6
  m2w64-crt-git      conda-forge/win-64::m2w64-crt-git-5.0.0.4636.2595836-2
  m2w64-gcc          conda-forge/win-64::m2w64-gcc-5.3.0-6
  m2w64-gcc-ada      conda-forge/win-64::m2w64-gcc-ada-5.3.0-6
  m2w64-gcc-fortran  conda-forge/win-64::m2w64-gcc-fortran-5.3.0-6
  m2w64-gcc-libgfor~ conda-forge/win-64::m2w64-gcc-libgfortran-5.3.0-6
  m2w64-gcc-libs     conda-forge/win-64::m2w64-gcc-libs-5.3.0-7
  m2w64-gcc-libs-co~ conda-forge/win-64::m2w64-gcc-libs-core-5.3.0-7
  m2w64-gcc-objc     conda-forge/win-64::m2w64-gcc-objc-5.3.0-6
  m2w64-gmp          conda-forge/win-64::m2w64-gmp-6.1.0-2
  m2w64-headers-git  conda-forge/win-64::m2w64-headers-git-5.0.0.4636.c0ad18a-2
  m2w64-isl          conda-forge/win-64::m2w64-isl-0.16.1-2
  m2w64-libiconv     conda-forge/win-64::m2w64-libiconv-1.14-6
  m2w64-libmangle-g~ conda-forge/win-64::m2w64-libmangle-git-5.0.0.4509.2e5a9a2-2
  m2w64-libwinpthre~ conda-forge/win-64::m2w64-libwinpthread-git-5.0.0.4634.697f757-2
  m2w64-make         conda-forge/win-64::m2w64-make-4.1.2351.a80a8b8-2
  m2w64-mpc          conda-forge/win-64::m2w64-mpc-1.0.3-3
  m2w64-mpfr         conda-forge/win-64::m2w64-mpfr-3.1.4-4
  m2w64-pkg-config   conda-forge/win-64::m2w64-pkg-config-0.29.1-2
  m2w64-toolchain    conda-forge/win-64::m2w64-toolchain-5.3.0-7
  m2w64-toolchain_w~ conda-forge/win-64::m2w64-toolchain_win-64-2.4.0-0
  m2w64-tools-git    conda-forge/win-64::m2w64-tools-git-5.0.0.4592.90b8472-2
  m2w64-windows-def~ conda-forge/win-64::m2w64-windows-default-manifest-6.4-3
  m2w64-winpthreads~ conda-forge/win-64::m2w64-winpthreads-git-5.0.0.4634.697f757-2
  m2w64-zlib         conda-forge/win-64::m2w64-zlib-1.2.8-10
  matplotlib-base    conda-forge/win-64::matplotlib-base-3.5.2-py310h79a7439_0
  minikanren         conda-forge/noarch::minikanren-1.0.3-pyhd8ed1ab_0
  mkl                conda-forge/win-64::mkl-2022.1.0-h6a75c08_874
  mkl-devel          conda-forge/win-64::mkl-devel-2022.1.0-h57928b3_875
  mkl-include        conda-forge/win-64::mkl-include-2022.1.0-h6a75c08_874
  mkl-service        conda-forge/win-64::mkl-service-2.4.0-py310h3d5ec83_0
  msys2-conda-epoch  conda-forge/win-64::msys2-conda-epoch-20160418-1
  multipledispatch   conda-forge/noarch::multipledispatch-0.6.0-py_0
  munkres            conda-forge/noarch::munkres-1.1.4-pyh9f0ad1d_0
  netcdf4            conda-forge/win-64::netcdf4-1.6.0-nompi_py310h5489b47_100
  numpy              conda-forge/win-64::numpy-1.23.0-py310h8a5b91a_0
  openjpeg           conda-forge/win-64::openjpeg-2.4.0-hb211442_1
  openssl            conda-forge/win-64::openssl-3.0.5-h8ffe710_0
  packaging          conda-forge/noarch::packaging-21.3-pyhd8ed1ab_0
  pandas             conda-forge/win-64::pandas-1.4.3-py310hf5e1058_0
  pillow             conda-forge/win-64::pillow-9.2.0-py310h767b3fd_0
  pip                conda-forge/noarch::pip-22.1.2-pyhd8ed1ab_0
  pthread-stubs      conda-forge/win-64::pthread-stubs-0.4-hcd874cb_1001
  pymc               conda-forge/win-64::pymc-4.1.1-py310h5588dad_0
  pymc-base          conda-forge/win-64::pymc-base-4.1.1-py310h5588dad_0
  pyparsing          conda-forge/noarch::pyparsing-3.0.9-pyhd8ed1ab_0
  python             conda-forge/win-64::python-3.10.5-hcf16a7b_0_cpython
  python-dateutil    conda-forge/noarch::python-dateutil-2.8.2-pyhd8ed1ab_0
  python_abi         conda-forge/win-64::python_abi-3.10-2_cp310
  pytz               conda-forge/noarch::pytz-2022.1-pyhd8ed1ab_0
  scipy              conda-forge/win-64::scipy-1.8.1-py310h33db832_0
  setuptools         conda-forge/win-64::setuptools-63.1.0-py310h5588dad_0
  six                conda-forge/noarch::six-1.16.0-pyh6c4a22f_0
  sqlite             conda-forge/win-64::sqlite-3.39.0-h8ffe710_0
  tbb                conda-forge/win-64::tbb-2021.5.0-h2d74725_1
  tk                 conda-forge/win-64::tk-8.6.12-h8ffe710_0
  toolz              conda-forge/noarch::toolz-0.11.2-pyhd8ed1ab_0
  typing-extensions  conda-forge/noarch::typing-extensions-3.10.0.2-hd8ed1ab_0
  typing_extensions  conda-forge/noarch::typing_extensions-3.10.0.2-pyha770c72_0
  tzdata             conda-forge/noarch::tzdata-2022a-h191b570_0
  ucrt               conda-forge/win-64::ucrt-10.0.20348.0-h57928b3_0
  unicodedata2       conda-forge/win-64::unicodedata2-14.0.0-py310he2412df_1
  vc                 conda-forge/win-64::vc-14.2-hb210afc_6
  vs2015_runtime     conda-forge/win-64::vs2015_runtime-14.29.30037-h902a5da_6
  wheel              conda-forge/noarch::wheel-0.37.1-pyhd8ed1ab_0
  xarray             conda-forge/noarch::xarray-2022.3.0-pyhd8ed1ab_0
  xarray-einstats    conda-forge/noarch::xarray-einstats-0.3.0-pyhd8ed1ab_0
  xorg-libxau        conda-forge/win-64::xorg-libxau-1.0.9-hcd874cb_0
  xorg-libxdmcp      conda-forge/win-64::xorg-libxdmcp-1.1.3-hcd874cb_0
  xz                 conda-forge/win-64::xz-5.2.5-h62dcd97_1
  zipp               conda-forge/noarch::zipp-3.8.0-pyhd8ed1ab_0
  zlib               conda-forge/win-64::zlib-1.2.12-h8ffe710_1
  zstd               conda-forge/win-64::zstd-1.5.2-h6255e5f_2


Proceed ([y]/n)? y


Downloading and Extracting Packages
libpng-1.6.37        | 735 KB    | ############################################################################ | 100%
aeppl-0.0.31         | 5 KB      | ############################################################################ | 100%
fonttools-4.34.2     | 1.6 MB    | ############################################################################ | 100%
openssl-3.0.5        | 7.6 MB    | ############################################################################ | 100%
aeppl-base-0.0.31    | 41 KB     | ############################################################################ | 100%
Preparing transaction: done
Verifying transaction: done
Executing transaction: done
#
# To activate this environment, use
#
#     $ conda activate test_env_2
#
# To deactivate an active environment, use
#
#     $ conda deactivate


c:\testing\anaconda_2022_05\Scripts>
c:\testing\anaconda_2022_05\Scripts>
c:\testing\anaconda_2022_05\Scripts>
c:\testing\anaconda_2022_05\Scripts>conda activate test_env_2

(test_env_2) c:\testing\anaconda_2022_05\Scripts>python
Python 3.10.5 | packaged by conda-forge | (main, Jun 14 2022, 06:57:50) [MSC v.1929 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import pymc as pm
>>>