2018-04-17 conda-forge meeting

• Zoom instructions: +How to connect to zoom

• Debriefing on the AnacondaCon meeting (for those that weren’t there)

• conda-smithy 3 and conda-build 3 move

  • issue the releases for conda-smithy 3 and conda-forge-pinning
  • review the list from packages that must be rebuilt with the new compilers
    • Look for packages that have toolchain in their deps
    • MichaelS to document and give demo on how to transition old recipes to new style
    • https://github.com/conda-forge/AnacondaRecipesSync
    • CJ reports ~763 packages that use "toolchain" in build deps. MichaelS to get that list from CJ, and will divide into two sets:
      • recipes that have already been done in AnacondaRecipes and should be PR’ed to Conda-forge
      • recipes that need modification for new compilers and remove python as mechanism for activating VC features

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• How do we want the bot to handle non-release releases (alpha/beta/dev/pre/etc.) https://github.com/regro/cf-scripts/issues/86 and https://github.com/conda-forge/conda-forge-enhancement-proposals/pull/3 and https://github.com/conda-forge/matplotlib-feedstock/pull/24#issuecomment-221496870
  • conda-forge-pre?
• John suggested (on gitter) that we reach out to intel and NVIDIA to get copies of their toolchains and development libraries.
  • Intel
    • Chatting in the background with Intel about using their compilers on the CI services
    • defaults uses:
      • intel fortran compiler to build SciPy (fortran only; VS used for C/C++)
      • defaults to visual studio compilers for all appropriate versions of python
      • mingw on py27/vs2008 for exceptional cases
      • Julia discussion around MKL, https://github.com/JuliaLang/julia/issues/18374
  • Nvidia
    • pygdf - gpu only package that works on the nvidia GPU Jenkins stack
    • John: Get a pygdf-feedstock on conda-forge and ping the Nvidia folks
• Adding people to cf/staged-recipes
  • Marius van Niekerk offered to help review on staged-recipes Invited to staged recipes
  • Igor T. Ghisi (igortg) was also interested in helping
• Adding people to core
  • Invite one or more from bioconda.
    • Bjorn (Filipe will invite)
    • Marcel Bargull, @mbargull has been a very involved conda contributor and may be interested.
• Optionally building wheels for some packages. ( https://github.com/conda-forge/conda-smithy/issues/608 )
• Making the agenda and notes public again.
  • John will see if we can make dropbox paper readable by the world
  • other options are to just post the notes somewhere public after the meeting
• Governance, CoD, and NumFOCUS affiliation.
  • numfocus affiliation: https://github.com/numfocus/projects-director/blob/master/projects/Matplotlib.md
• conda-forge blog
• Video conferencing solution? https://docs.google.com/document/d/10dxX0Zse0Rx1HqsxC73Wfsghmy5m8PP8cHuBIOhWKpc/edit

https://docs.google.com/document/d/10dxX0Zse0Rx1HqsxC73Wfsghmy5m8PP8cHuBIOhWKpc/edit