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Telcon: 2022 09 14
Peter Scheibel edited this page Sep 14, 2022
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(held September 14th 2022)
- Peter Scheibel (host)
- Mark Krentel
- Davide DelVento
- Dom Heinzeller
- Erik Palmer
- Justin Cook (NERSC)
- Richarda Butler
- Massimiliano Culpo
- Shahzeb Siddiqui
- Srinath Vadlamani
- Tammy Dahlgren
- See discussion on dropping Python 2 support in newer Spack versions: https://github.com/spack/spack/discussions/31824
- This includes:
- Running Spack with Python 2
- Installing Python 2 with Spack
- Note: installing Python 2.7 by itself is easy: installing the
py-*
packages imposes most of the maintenance burden - (Massimiliano) We could move the current
py-*
packages to a new repository- Most of the logic for installing them is probably in
PythonPackage
, so a separate repo is not enough - This might encourage moving the build system into the repo
- Or versioning it
- Most of the logic for installing them is probably in
- Have we inventoried packages to look for cases where Python 2 is required
- Are there any we need?
- For users who only have Python 2 on their system, how can they get Python 3 to run Spack?
- Use older Spack to install it (0.19 will still be able to use Python 2.7)
- Use system's repo managers (e.g. yum or apt)
- This includes:
- (Shahzeb) Issues with loaded modules https://github.com/spack/spack/issues/27124
- (Mark)
spack compiler find
should be able to take a module, and in that case it should populate themodules
property - New bug: https://github.com/spack/spack/issues/32651
- Should be fixed by https://github.com/spack/spack/pull/32653/
- 31953 and 32478
- (Davide) Desire to duplicate an installation
- Does overwrite of
spack.lock
/spack.yaml
work? - You can also "version" the environment: copy the lock/yaml to a new environment in the production environment (then, if users have no issues with the new environment, remove the old environment)
- If the user exposes the packages in the environment with modules, do we need per-environment modules?
- (Davide) In my case I version-control the modules so this isn't an issue
- Does overwrite of
- (Davide) what about major version updates?
- Do users pull major updates to their installations? How big a leap do people do in general? And how often?
- (Peter) we may have a poll on this, but otherwise it would be interesting to conduct one
- (Chris) Options for
spack style
checking of user package repos (see https://github.com/spack/spack/pull/31938). - (Brian) Sanitizing repo, getting rid of improperly-concretized packages (i.e. how do I get rid of old stuff I don't use now)
- (in particular reuse)
- (Mark) Ping on #27247
- (Matt) Package reuse is nice, but how can we refresh a single package?
- E.g. want to use the newest version of
spectrum-mpi
- E.g. want to use the newest version of
- (Matt) How does
spack deprecate
handle refreshing module files for packages that depend on a deprecated spec in an lmod hierarchy?- e.g. if you deprecate the old MPI, does the lmod refresh use the newer MPI in the hierarchy
- (Massimiliano) Continue from https://github.com/spack/spack/wiki/Telcon%3A-2022-06-08: multiple build systems used by one package
- (Matt) if we build an environment, and one package fails, then module files are not generated
- Want
spack module refresh
but only to generate module files that haven't been generated yet
- Want
- Updating compiler wrapper to strip
-Werror
(optionally): https://github.com/spack/spack/pull/30284 - (Wileam) Adding fpm as a build system
- Issue on
fpm
repo: https://github.com/fortran-lang/fpm/issues/79
- Issue on
- Default action for concretization in environments: https://github.com/spack/spack/pull/29942#issuecomment-1097287194
- Continue from https://github.com/spack/spack/wiki/Telcon%3A-2022-04-06:
warning()
directive - (Wileam) Can externals detection be expanded from executables only to arbitrary files (e.g. header or
.a
/.so
library files)?- For
llvm@13
and@14
with+gold
, see issue comment and PR https://github.com/spack/spack/pull/30954 - BLAS detection is also affected, see https://spackpm.slack.com/archives/C5W7NKZJT/p1659734369147249
- For
- Continue from https://github.com/spack/spack/wiki/Telcon%3A-2022-04-13:
not
in spec syntax - (Phil) Issues with SSL signature authentication at SNL, see https://spackpm.slack.com/archives/G7XED8NAD/p1660009273764719