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ci: add tsan spack environment with instrumented libzmq

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- mirror spack-latest.yaml, with -fsanitize=thread on the libzmq and
  libsodium nodes so tsan can observe the happens-before edges established
  inside libzmq's lock-free queues, plus the libstdcxx-tsan root spec
- flags are applied per node instead of via the propagating '==' operator,
  which could reach the gcc node and trigger a compiler rebuild
- unchanged roots (fairlogger, boost, ninja, cmake) keep their spec hashes,
  so they are shared with the regular buildcache entries; the instrumented
  nodes hash differently and coexist in the content-addressed cache
- exclude libstdcxx-tsan from concretizer reuse so recipe changes always
  take effect; unchanged recipes still hit the buildcache because the spec
  hash is identical
- add the tsan env to the buildcache matrix (rebuilding also on spack_repo
  changes) so the instrumented binaries are cached instead of rebuilt on
  every CI run
This commit is contained in:
Dennis Klein
2026-06-10 16:15:31 +02:00
committed by Dennis Klein
parent 331c50ab0e
commit add85cb18d
3 changed files with 51 additions and 1 deletions
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2
.github/actions/setup-deps/action.yml vendored
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@@ -6,7 +6,7 @@ inputs:
description: 'GCC version to use'
required: true
env:
description: 'Spack environment name (latest, boost187)'
description: 'Spack environment name (latest, boost187, tsan)'
default: 'latest'
fresh:
description: 'Use fresh concretization'