| 123456789101112131415161718192021222324252627282930313233 | # Copyright The OpenTelemetry Authors# SPDX-License-Identifier: Apache-2.0add_subdirectory(common)if(WITH_OTLP_GRPC   OR WITH_OTLP_HTTP   OR WITH_OTLP_FILE)  add_subdirectory(otlp)endif()if(WITH_OTLP_GRPC)  add_subdirectory(grpc)endif()if(WITH_ETW)  add_subdirectory(etw_threads)endif()if(WITH_ZIPKIN)  add_subdirectory(zipkin)endif()if(WITH_PROMETHEUS)  add_subdirectory(prometheus)endif()add_subdirectory(logs_simple)add_subdirectory(plugin)add_subdirectory(simple)add_subdirectory(batch)add_subdirectory(metrics_simple)add_subdirectory(multithreaded)add_subdirectory(multi_processor)if(WITH_EXAMPLES_HTTP)  add_subdirectory(http)endif()
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