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CI: retarget dead pre-libstdc++-11 jobs to Ubuntu 24.04#79

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CI: retarget dead pre-libstdc++-11 jobs to Ubuntu 24.04#79
jll63 wants to merge 1 commit into
boostorg:developfrom
jll63:ci/drone-cxx17-compilers

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@jll63 jll63 commented Jul 14, 2026

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CI: adjust drone (newer compilers)

@cppalliance-bot

cppalliance-bot commented Jul 14, 2026

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An automated preview of the documentation is available at https://79.openmethod.prtest3.cppalliance.org/libs/openmethod/doc/html/index.html

If more commits are pushed to the pull request, the docs will rebuild at the same URL.

2026-07-14 14:24:42 UTC

openmethod requires <charconv> (cxx17_hdr_charconv), which libstdc++ only
provides fully from GCC 11 / libstdc++-11. Clang on Linux uses the system
libstdc++, so the floor is the image, not the front-end.

The GCC 8/9/10 (Ubuntu 18.04/20.04) and Clang 7-12 (Ubuntu 20.04) jobs ran
on libstdc++ < 11: the requires-clause failed and they silently executed
zero openmethod tests. Consolidate them onto Ubuntu 24.04 with its default
toolchain (gcc-13, clang-18); GCC 11-14 and Clang 13-18 already cover the
intervening versions. ARM64/S390x stay on the 20.04 multiarch image with a
bumped g++-14. Net 38 -> 31 pipelines, no duplicates, no lost coverage.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
@jll63 jll63 force-pushed the ci/drone-cxx17-compilers branch from 03195c6 to b45c1f4 Compare July 14, 2026 14:15
@codecov

codecov Bot commented Jul 14, 2026

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.47%. Comparing base (814a8e0) to head (b45c1f4).
⚠️ Report is 11 commits behind head on develop.

Additional details and impacted files

Impacted file tree graph

@@             Coverage Diff             @@
##           develop      #79      +/-   ##
===========================================
- Coverage    94.34%   93.47%   -0.87%     
===========================================
  Files           43       43              
  Lines         2916     3172     +256     
  Branches         0     1582    +1582     
===========================================
+ Hits          2751     2965     +214     
- Misses         165      167       +2     
- Partials         0       40      +40     

see 21 files with indirect coverage changes


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@jll63 jll63 requested a review from pdimov July 14, 2026 15:02
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