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Promote aws-ubuntu site to tier1 and update for Ubuntu 26.04 - #2194
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…stack 2.2 Move configs/sites/tier2/aws-ubuntu2404 to configs/sites/tier1/aws-ubuntu. The site tracks the current Ubuntu LTS (26.04 as of 2.2) and is updated in place at each LTS instead of creating a new versioned site. Site config (derived from linux.default, verified to reproduce the built unified-gcc env hash-for-hash): - packages.yaml: Ubuntu 26.04 system externals (zlib excluded: the multiarch libdir breaks pmix's zlib detection), hand-written qt@5.15.18 external, jedi-python-env +bufrquery, and py-myst-parser@5: / py-sphinx@9: to avoid py-attrs/py-docutils duplicate splits from jedi-tools-env. - packages_gcc.yaml: gcc@14.3.0 via the -14 binaries (system default is gcc 15.2), mpi require openmpi@5.0.10. Drop all:prefer:%gcc, which acted as a dependency constraint and forced rebuilds of system externals. - packages_oneapi.yaml: oneAPI 2026.1.1 with +fix_rt_linkage, compiler flags pinning icx/icpx/ifx to the gcc-14 toolchain, gcc@14.3.0 companion, py-dask@2024.12.1 and met +graphics +shared-intel to avoid duplicates. - config.yaml: drop /tmp build_stage/cache overrides; /tmp on 26.04 is a RAM-backed tmpfs with quotas and fills during a unified-env build. README rewritten for 26.04: Lmod 8.7.60 from apt replaces the manual Lua/Lmod build, gcc-14 alongside the default gcc-15, uutils coreutils kept, llvm-14 dropped, build as the ubuntu user, module paths under envs/<env>/modules, met +lidar2nc/+modis unavailable with gcc 14 (common hdf-eos2 pin), and oneAPI notes (ulimit -s unlimited for jedi-bundle tests). Also update a stale aws-ubuntu2404 reference in tier2/ubuntu2404-nvhpc.
eap
marked this pull request as ready for review
October 29, 2026 17:11
climbfuji
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Oct 29, 2026
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Part of the release, we are promoting the "aws-ubuntu2404" to and stripping the "2404" version from it instead just using the latest LTS release.
Draft status: this will be promoted to ready-for-review once the image is created and added to the README
Testing
Built and tested jedi-bundle with gcc and oneapi.
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