spack/spack

View on GitHub

A flexible package manager that supports multiple versions, configurations, platforms, and compilers.

Stars: 5.1k
Forks: 2.5k
Open beginner issues: 0
Indexed issues: 1.3k
Avg merge: 3d 4h
Merged PRs (30d): 82

Dominant language: Python
License: Apache-2.0
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

Open All

1,331 open issues indexed

Bootstrap phase clears in_buildcache tag Open

bug triage

Difficulty 4/5 3-5 days Newbie friendliness 55/100

spack/spack#53037 · Opened Sep 15, 2026
Buildcache list hides generic architectures by default Open

bug triage

Difficulty 3/5 1-2 days Newbie friendliness 68/100

spack/spack#53030 · Opened Sep 15, 2026
Proposal for handing PYTHONPATH and analogous variables automatically in binaries and scripts Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

spack/spack#52991 · 3 comments · Opened Sep 4, 2026
Module file generated for external nvhpc contains incorrect paths. Open

bug triage

Difficulty 3/5 1-2 days Newbie friendliness 68/100

spack/spack#52983 · 1 comment · Opened Aug 31, 2026
Variable $spack is not getting expanded when used in mirrors.yaml file Open

bug triage

Difficulty 3/5 1-2 days Newbie friendliness 58/100

spack/spack#52959 · Opened Aug 26, 2026
`spack spec` and `spack find` are not spec group aware Open

feature

Difficulty 4/5 3-5 days Newbie friendliness 52/100

spack/spack#52932 · Opened Aug 21, 2026
`spack remove` fails when group and non-group specs are mixed Open

bug triage

Difficulty 3/5 1-2 days Newbie friendliness 76/100

spack/spack#52926 · Opened Aug 20, 2026
concretization error with mpich ^tar@1.30 Open

bug triage

Difficulty 4/5 3-5 days Newbie friendliness 45/100

spack/spack#52918 · Opened Aug 19, 2026
Usages: edge-attribute variant-like capabilities Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

spack/spack#52913 · 1 reaction · Opened Aug 18, 2026
Concretization error with hwloc Open

bug triage

Difficulty 4/5 3-5 days Newbie friendliness 48/100

spack/spack#52909 · Opened Aug 17, 2026
Bad diagnostics on failed concretization Open

bug error-messages impact-low

Difficulty 4/5 3-5 days Newbie friendliness 48/100

spack/spack#52871 · 3 comments · 1 reaction · Opened Aug 10, 2026
`HgFetchStrategy`'s `PYTHONPATH` clearing breaks spack-built mercurial 7.0+ Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

spack/spack#52868 · 1 reaction · Opened Aug 10, 2026
`spack module tcl refresh --upstream-modules` aborts when multiple upstreams contain the same external spec Open

bug triage

spack/spack#52842 · 1 reaction · 1 assignee · Opened Aug 6, 2026
`spack bootstrap now --dev` succeeds but produces an unusable environment on old Python versions Open

bug impact-medium

spack/spack#52825 · 9 comments · 1 assignee · Opened Aug 3, 2026
Install to temporary path and relocate to `install_tree` when using `padded_length` Open

feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

spack/spack#52821 · Opened Aug 2, 2026
diagnostics for failed concretization seem incomplete Open

bug impact-low

Difficulty 4/5 3-5 days Newbie friendliness 45/100

spack/spack#52803 · Opened Jul 29, 2026
Conditional constraints in toolchain do not propagate to deps after first dep not using them Open

bug triage

Difficulty 4/5 3-5 days Newbie friendliness 48/100

spack/spack#52767 · 2 comments · 1 reaction · Opened Jul 21, 2026
Building HDF5/1.14.5 and later versions with GNU compiler and intel-oneapi-mpi fails Open

bug triage

Difficulty 4/5 3-5 days Newbie friendliness 48/100

spack/spack#52749 · 1 comment · Opened Jul 17, 2026
ci: generated job scripts pick up spack and its Python from the environment Open

spack/spack#52748 · 1 comment · 1 reaction · 1 assignee · Opened Jul 17, 2026
Concretizer hangs for transitive dependency requesting unavailable compiler Open

bug triage

Difficulty 4/5 3-5 days Newbie friendliness 52/100

spack/spack#52708 · 1 comment · Opened Jul 12, 2026
New installer has high per-package overhead for buildcache probing Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

spack/spack#52700 · 11 comments · Opened Jul 11, 2026
spack env remove fails when environment in AFS/Auristor filesystem Open

bug triage

Difficulty 4/5 3-5 days Newbie friendliness 45/100

spack/spack#52679 · 1 comment · Opened Jul 9, 2026
`resource()` directives do not affect the package's hash (dag_hash and package_hash) Open

bug impact-medium

Difficulty 4/5 3-5 days Newbie friendliness 45/100

spack/spack#52662 · 2 comments · Opened Jul 6, 2026
Add `--force` to `spack repo update` Open

feature

Difficulty 3/5 1-2 days Newbie friendliness 55/100

spack/spack#52633 · 1 comment · Opened Jul 2, 2026
Replace `buildcache` commands with top-level flag a la bootstrap, env Open

feature

Difficulty 5/5 Over a week Newbie friendliness 38/100

spack/spack#52629 · 2 comments · Opened Jul 1, 2026
PR #52566: `.spack/` vs relative paths vs compiler-wrapper remaps (CERN-HSF GSoC Debuggable Installations) Open

feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

spack/spack#52580 · 2 comments · Opened Jun 21, 2026
Emit warning instead of fail for non-existent 'develop' packages Open

feature

Difficulty 3/5 1-2 days Newbie friendliness 55/100

spack/spack#52564 · Opened Jun 17, 2026
concretizer fails to generate all the specs with any ancestor architecture imposed Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

spack/spack#52561 · 1 reaction · Opened Jun 17, 2026
将 bootstrap 从 ~/.spack/ 迁移到 /opt/spack/etc/spack/ 后报 python3 找不到错误 Open

bug triage

Difficulty 3/5 1-2 days Newbie friendliness 48/100

spack/spack#52560 · Opened Jun 17, 2026
Installation issue: netcdf-c fails to link ncgen libraries Open

bug triage

Difficulty 4/5 3-5 days Newbie friendliness 42/100

spack/spack#52555 · 2 comments · Opened Jun 16, 2026
`spack {dependencies,dependents} --format` Open

feature

Difficulty 3/5 1-2 days Newbie friendliness 64/100

spack/spack#52554 · Opened Jun 16, 2026
Concretizer+'spec groups': Write intermediate results per spec group of spack concretizer solve to the 'spack.lock' file to save incremental progress in case of later errors Open

feature

Difficulty 4/5 3-5 days Newbie friendliness 38/100

spack/spack#52549 · Opened Jun 16, 2026
Namespace specifications in spack.yaml root specs list are ignored Open

bug triage

Difficulty 4/5 3-5 days Newbie friendliness 55/100

spack/spack#52525 · 1 comment · Opened Jun 10, 2026
Latest devel branch will invoke a terminal window during package installation, which causes build to fail. Open

bug triage

Difficulty 4/5 3-5 days Newbie friendliness 45/100

spack/spack#52521 · 1 comment · Opened Jun 10, 2026
New installer doesn't output or log fetch errors during bootstrap cache-only installs Open

bug triage

Difficulty 3/5 1-2 days Newbie friendliness 62/100

spack/spack#52519 · Opened Jun 9, 2026
Generative-AI Assisted Testing of Spack Packages Open

spack/spack#52466 · 7 comments · 1 assignee · Opened May 29, 2026
Support git branch installation with forward slash and backward slashes Open

bug triage

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

spack/spack#52459 · 1 reaction · Opened May 28, 2026
Fall through to source build directly if possible in new installer Open

feature

Difficulty 4/5 3-5 days Newbie friendliness 52/100

spack/spack#52458 · Opened May 28, 2026
Debuggable Installations (`spack install --debuggable`) - Preserve Source Files and Remap DWARF Debug Symbols Open

feature

Difficulty 5/5 Over a week Newbie friendliness 28/100

spack/spack#52456 · 4 comments · Opened May 28, 2026
concretizer hangs on a spec groups when using gcc built in upstream spec group Open

bug impact-medium

spack/spack#52440 · 4 comments · 1 assignee · Opened May 25, 2026
spack style fails after bootstrap Open

bug triage

spack/spack#52421 · 1 comment · 1 assignee · Opened May 20, 2026
License and Attribution of the Spack Logo? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

spack/spack#52419 · 7 comments · Opened May 20, 2026
env activate adds all specs to path even if not in view when link: run Open

bug triage

Difficulty 3/5 1-2 days Newbie friendliness 45/100

spack/spack#52415 · Opened May 19, 2026
Issue with module generation and `use_view` in spack env Open

bug triage

Difficulty 4/5 3-5 days Newbie friendliness 55/100

spack/spack#52398 · Opened May 13, 2026
https://cache.spack.io/ Open

bug impact-medium

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

spack/spack#52397 · 2 comments · Opened May 13, 2026
Repos not added correctly to environment when multiple repos listed in spack.yaml Open

bug triage

Difficulty 3/5 1-2 days Newbie friendliness 55/100

spack/spack#52396 · Opened May 13, 2026
Error: Cannot call rmtree on a symbolic link Open

bug triage

Difficulty 3/5 1-2 days Newbie friendliness 52/100

spack/spack#52386 · Opened May 8, 2026
Seems like a race condition Open

bug triage

Difficulty 4/5 3-5 days Newbie friendliness 45/100

spack/spack#52384 · 2 comments · Opened May 8, 2026
sbang post-install hook is not deterministic Open

bug impact-low

Difficulty 4/5 3-5 days Newbie friendliness 45/100

spack/spack#52370 · 1 comment · Opened May 5, 2026
`bootstrap:dev:enable_source` has no visible defaults Open

bug impact-low

spack/spack#52366 · 4 comments · 1 assignee · Opened May 4, 2026

spack/spack

Get new issues in your inbox