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[Infrastructure] Use -gsplit-dwarf=single to improve linking #14145

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[Infrastructure] Use -gsplit-dwarf=single to improve linking #14145

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@ktf ktf commented Dec 9, 2025

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@ktf ktf requested review from a team, alibuild, ddobrigk, iarsene and jgrosseo as code owners December 9, 2025 14:25
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github-actions bot commented Dec 9, 2025 •
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O2 linter results: ❌ 0 errors, ⚠️ 0 warnings, 🔕 0 disabled

@github-actions github-actions bot changed the title Use -gsplit-dwarf=single to improve linking [Infrastructure] Use -gsplit-dwarf=single to improve linking Dec 9, 2025
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ktf commented Dec 9, 2025

In my minimal test seems to speed up building by 15%.

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alibuild commented Dec 9, 2025 •
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Error while checking build/O2Physics/o2 for 7147fe1 at 2025-12-25 00:56:

## sw/BUILD/O2Physics-latest/log
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
c++: error: unrecognized debug output level 'split-dwarf=single'
ninja: build stopped: subcommand failed.

Full log here.

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@alibuild alibuild Awaiting requested review from alibuild alibuild is a code owner

@jgrosseo jgrosseo Awaiting requested review from jgrosseo jgrosseo is a code owner

@iarsene iarsene Awaiting requested review from iarsene iarsene is a code owner

@ddobrigk ddobrigk Awaiting requested review from ddobrigk ddobrigk is a code owner

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@ktf @alibuild