bneradt opened a new pull request, #12180:
URL: https://github.com/apache/trafficserver/pull/12180
When building the opentelemetry plugin against GCC 15, we get a warning from
a deprecated use of ciso646 in the library. No version of opentelemetry-cpp
currently addresses this. The `-Wno-cpp` silences that warning. Here is the
warning, for reference:
```
In file included from
/opt/include/opentelemetry/nostd/internal/absl/base/options.h:73,
from
/opt/include/opentelemetry/nostd/internal/absl/base/config.h:66,
from
/opt/include/opentelemetry/nostd/internal/absl/types/variant.h:45,
from /opt/include/opentelemetry/nostd/variant.h:52,
from /opt/include/opentelemetry/common/attribute_value.h:10,
from /opt/include/opentelemetry/sdk/trace/recordable.h:6,
from /opt/include/opentelemetry/sdk/trace/exporter.h:9,
from
/opt/include/opentelemetry/exporters/otlp/otlp_http_exporter.h:7,
from
/home/bneradt/src/ts_edge/plugins/experimental/otel_tracer/tracer_common.h:18,
from
/home/bneradt/src/ts_edge/plugins/experimental/otel_tracer/otel_tracer.cc:40:
/usr/include/c++/15/ciso646:46:4: error: #warning "<ciso646> is deprecated
in C++17, use <version> to detect implementation-specific macros" [-Werror=cpp]
46 | # warning "<ciso646> is deprecated in C++17, use <version> to
detect implementation-specific macros"
| ^~~~~~~
```
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