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GH-48750: [CI][Documentation] Disable Unity build for OpenTelemetry #48751

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Merged
raulcd merged 2 commits into from
Jan 7, 2026
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GH-48750: [CI][Documentation] Disable Unity build for OpenTelemetry #48751

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GH-48750: [CI][Documentation] Disable Unity builds to fix OpenTelemet…
HyukjinKwon Jan 7, 2026
5703dc4
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HyukjinKwon Jan 7, 2026
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2 changes: 2 additions & 0 deletions cpp/cmake_modules/ThirdpartyToolchain.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -3726,6 +3726,8 @@ function(build_opentelemetry)

prepare_fetchcontent()

# Unity build causes symbol redefinition errors in protobuf-generated code
set(CMAKE_UNITY_BUILD FALSE)
set(OTELCPP_PROTO_PATH "${opentelemetry_proto_SOURCE_DIR}")
set(WITH_EXAMPLES OFF)
set(WITH_OTLP_HTTP ON)
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