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@marcalff marcalff commented Sep 9, 2022

This fix is for gcc and clang only.

Fixes #1520

Changes

Add compiler annotations to make singleton methods visible.
This is needed by the linker to ensure uniqueness of singletons.

  • CHANGELOG.md updated for non-trivial changes
  • Unit tests have been added
  • Changes in public API reviewed

This fix is for gcc and clang only.
@marcalff marcalff requested a review from a team September 9, 2022 13:34
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codecov bot commented Sep 9, 2022

Codecov Report

Merging #1604 (02e78bb) into main (cfaf8a1) will increase coverage by 0.09%.
The diff coverage is 100.00%.

Additional details and impacted files

Impacted file tree graph

@@            Coverage Diff             @@
##             main    #1604      +/-   ##
==========================================
+ Coverage   85.22%   85.30%   +0.09%     
==========================================
  Files         156      156              
  Lines        4978     4978              
==========================================
+ Hits         4242     4246       +4     
+ Misses        736      732       -4     
Impacted Files Coverage Δ
api/include/opentelemetry/baggage/baggage.h 97.33% <100.00%> (ø)
...ntelemetry/context/propagation/global_propagator.h 100.00% <100.00%> (ø)
...pi/include/opentelemetry/context/runtime_context.h 97.60% <100.00%> (ø)
api/include/opentelemetry/metrics/provider.h 100.00% <100.00%> (ø)
api/include/opentelemetry/trace/provider.h 100.00% <100.00%> (ø)
api/include/opentelemetry/trace/trace_state.h 97.60% <100.00%> (ø)
sdk/src/trace/batch_span_processor.cc 91.41% <0.00%> (+1.57%) ⬆️
api/include/opentelemetry/trace/noop.h 93.11% <0.00%> (+6.90%) ⬆️

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@owent owent left a comment

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Should we disable component_c .. component_f and keep component_a and component_b on Windows?

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@lalitb lalitb left a comment

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LGTM, can we merged once conflict is resolved.

@marcalff
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LGTM, can we merged once conflict is resolved.

@lalitb

Thanks.
Merge conflicts now resolved.

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Successfully merging this pull request may close these issues.

Opentelemetry API singletons (TraceProvider etc.) do not play well in shared library uses that hide symbol visibility

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