Telcon: 2017 08 03

Participants

1. Greg Becker
2. Patrick Gartung
3. Peter Scheibel
4. Mario Melara
5. Ben Boeckel
6. Steve Leak

News

Recently-merged PRs of general interest:

1. disable spec colorization https://github.com/LLNL/spack/pull/3013
2. edit docs on hash references: https://github.com/LLNL/spack/pull/4908 (You can refer to a dependency by name+hash or just by hash: e.g. spack install foo ^/hash)

Other topics

1. Packages that hardcode compiler paths

   • For now, fix it in the package
   • We are open to other proposals, but we don't see a good option currently.
     • If you want to submit a PR, there is interest.

2. Binary Caching. https://github.com/LLNL/spack/pull/4854

   • Under review (Peter Scheibel)
     • Some ongoing work on the hashes
     • Some refactoring requests
     • Hashes and GPG -- belt and suspenders model.
       • GPG signing of both hash and archive
         • Working on how to certify/trust GPG keys.

3. Contexts (Peter Scheibel) https://github.com/LLNL/spack/pull/4585

   • Achieves most rudimentary version of an environment
     • Manage a list of packages as a context
     • List the modules involved in a context
       • Does not autoload or combine modules
   • PR on separate build concretization will help use previous packages to concretize new packages https://github.com/LLNL/spack/pull/4595

4. NERSC module files

   • Currently doing it manually
   • Massimiliano has a PR that may be useful to use templates for modules.
     • https://github.com/LLNL/spack/pull/3183