add build config messages to the main cmake file

Author: dbarker

CMakeLists.txt

@@ -417,8 +417,6 @@ if(WITH_PROMETHEUS)
   endif()
 endif()
 
-message(STATUS "Building WITH_ABSEIL=${WITH_ABSEIL}")
-
 if(WITH_ABSEIL)
   if(NOT TARGET absl::strings)
     find_package(absl CONFIG REQUIRED)
@@ -510,7 +508,6 @@ endif()
 if((NOT WITH_API_ONLY) AND WITH_HTTP_CLIENT_CURL)
   # No specific version required.
   find_package(CURL REQUIRED)
-  message(STATUS "Found CURL: ${CURL_LIBRARIES}, version ${CURL_VERSION}")
 endif()
 
 #
@@ -522,7 +519,6 @@ if((NOT WITH_API_ONLY)
    AND WITH_OTLP_HTTP_COMPRESSION)
   # No specific version required.
   find_package(ZLIB REQUIRED)
-  message(STATUS "Found ZLIB: ${ZLIB_LIBRARIES}, version ${ZLIB_VERSION}")
 endif()
 
 #
@@ -721,6 +717,109 @@ if(BUILD_TESTING)
   endif()
 endif()
 
+# Record build config and versions
+message(STATUS "---------------------------------------------")
+message(STATUS "build settings")
+message(STATUS "---------------------------------------------")
+message(STATUS "OpenTelemetry: ${OPENTELEMETRY_VERSION}")
+message(STATUS "OpenTelemetry ABI: ${OPENTELEMETRY_ABI_VERSION_NO}")
+message(STATUS "ARCH: ${ARCH}")
+message(STATUS "CXX: ${CMAKE_CXX_COMPILER_ID} ${CMAKE_CXX_COMPILER_VERSION}")
+message(STATUS "CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
+message(STATUS "CXXFLAGS: ${CMAKE_CXX_FLAGS}")
+message(STATUS "CMAKE_CXX_STANDARD: ${CMAKE_CXX_STANDARD}")
+message(STATUS "CMAKE_TOOLCHAIN_FILE: ${CMAKE_TOOLCHAIN_FILE}")
+message(STATUS "BUILD_SHARED_LIBS: ${BUILD_SHARED_LIBS}")
+
+message(STATUS "---------------------------------------------")
+message(STATUS "opentelemetry-cpp build options")
+message(STATUS "---------------------------------------------")
+message(STATUS "WITH_API_ONLY: ${WITH_API_ONLY}")
+message(STATUS "WITH_NO_DEPRECATED_CODE: ${WITH_NO_DEPRECATED_CODE}")
+message(STATUS "WITH_ABI_VERSION_1: ${WITH_ABI_VERSION_1}")
+message(STATUS "WITH_ABI_VERSION_2: ${WITH_ABI_VERSION_2}")
+message(STATUS "OTELCPP_VERSIONED_LIBS: ${OTELCPP_VERSIONED_LIBS}")
+message(STATUS "OTELCPP_MAINTAINER_MODE: ${OTELCPP_MAINTAINER_MODE}")
+message(STATUS "WITH_STL: ${WITH_STL}")
+message(STATUS "WITH_GSL: ${WITH_GSL}")
+message(STATUS "WITH_ABSEIL: ${WITH_ABSEIL}")
+message(STATUS "WITH_NO_GETENV: ${WITH_NO_GETENV}")
+
+message(STATUS "---------------------------------------------")
+message(STATUS "opentelemetry-cpp cmake component options")
+message(STATUS "---------------------------------------------")
+message(STATUS "WITH_OTLP_GRPC: ${WITH_OTLP_GRPC}")
+message(STATUS "WITH_OTLP_HTTP: ${WITH_OTLP_HTTP}")
+message(STATUS "WITH_OTLP_FILE: ${WITH_OTLP_FILE}")
+message(STATUS "WITH_HTTP_CLIENT_CURL: ${WITH_HTTP_CLIENT_CURL}")
+message(STATUS "WITH_ZIPKIN: ${WITH_ZIPKIN}")
+message(STATUS "WITH_PROMETHEUS: ${WITH_PROMETHEUS}")
+message(STATUS "WITH_ELASTICSEARCH: ${WITH_ELASTICSEARCH}")
+message(STATUS "WITH_OPENTRACING: ${WITH_OPENTRACING}")
+message(STATUS "WITH_ETW: ${WITH_ETW}")
+message(STATUS "OPENTELEMETRY_BUILD_DLL: ${OPENTELEMETRY_BUILD_DLL}")
+
+message(STATUS "---------------------------------------------")
+message(STATUS "feature preview options")
+message(STATUS "---------------------------------------------")
+message(STATUS "WITH_ASYNC_EXPORT_PREVIEW: ${WITH_ASYNC_EXPORT_PREVIEW}")
+message(
+  STATUS
+    "WITH_THREAD_INSTRUMENTATION_PREVIEW: ${WITH_THREAD_INSTRUMENTATION_PREVIEW}"
+)
+message(
+  STATUS "WITH_METRICS_EXEMPLAR_PREVIEW: ${WITH_METRICS_EXEMPLAR_PREVIEW}")
+message(STATUS "WITH_REMOVE_METER_PREVIEW: ${WITH_REMOVE_METER_PREVIEW}")
+message(
+  STATUS "WITH_OTLP_GRPC_SSL_MTLS_PREVIEW: ${WITH_OTLP_GRPC_SSL_MTLS_PREVIEW}")
+message(STATUS "WITH_OTLP_RETRY_PREVIEW: ${WITH_OTLP_RETRY_PREVIEW}")
+message(STATUS "---------------------------------------------")
+message(STATUS "third-party options")
+message(STATUS "---------------------------------------------")
+message(STATUS "WITH_NLOHMANN_JSON: ${USE_NLOHMANN_JSON}")
+message(STATUS "WITH_CURL_LOGGING: ${WITH_CURL_LOGGING}")
+message(STATUS "WITH_OTLP_HTTP_COMPRESSION: ${WITH_OTLP_HTTP_COMPRESSION}")
+message(STATUS "---------------------------------------------")
+message(STATUS "examples and test options")
+message(STATUS "---------------------------------------------")
+message(STATUS "WITH_BENCHMARK: ${WITH_BENCHMARK}")
+message(STATUS "WITH_EXAMPLES: ${WITH_EXAMPLES}")
+message(STATUS "WITH_EXAMPLES_HTTP: ${WITH_EXAMPLES_HTTP}")
+message(STATUS "WITH_FUNC_TESTS: ${WITH_FUNC_TESTS}")
+message(STATUS "BUILD_W3CTRACECONTEXT_TEST: ${BUILD_W3CTRACECONTEXT_TEST}")
+message(STATUS "BUILD_TESTING: ${BUILD_TESTING}")
+message(STATUS "---------------------------------------------")
+message(STATUS "versions")
+message(STATUS "---------------------------------------------")
+message(STATUS "CMake: ${CMAKE_VERSION}")
+message(STATUS "GTest: ${GTest_VERSION}")
+message(STATUS "benchmark: ${benchmark_VERSION}")
+if(WITH_GSL)
+  message(STATUS "GSL: ${GSL_VERSION}")
+endif()
+if(absl_FOUND)
+  message(STATUS "Abseil: ${absl_VERSION}")
+endif()
+if(Protobuf_FOUND)
+  message(STATUS "Protobuf: ${Protobuf_VERSION}")
+endif()
+if(gRPC_FOUND)
+  message(STATUS "gRPC: ${gRPC_VERSION}")
+endif()
+if(CURL_FOUND)
+  message(STATUS "CURL: ${CURL_VERSION}")
+endif()
+if(ZLIB_FOUND)
+  message(STATUS "ZLIB: ${ZLIB_VERSION}")
+endif()
+if(USE_NLOHMANN_JSON)
+  message(STATUS "nlohmann-json: ${nlohmann_json_VERSION}")
+endif()
+if(prometheus-cpp_FOUND)
+  message(STATUS "prometheus-cpp: ${prometheus-cpp_VERSION}")
+endif()
+message(STATUS "---------------------------------------------")
+
 include(CMakePackageConfigHelpers)
 
 if(DEFINED OPENTELEMETRY_BUILD_DLL)