Fixes formatting

Author: owent

CMakeLists.txt

@@ -60,7 +60,8 @@ if(DEFINED ENV{VCPKG_ROOT} AND NOT DEFINED CMAKE_TOOLCHAIN_FILE)
 endif()
 
 otelcpp_option_flag(OTELCPP_WITH_ABI_VERSION_1 "ABI version 1" ON)
-otelcpp_option_flag(OTELCPP_WITH_ABI_VERSION_2 "EXPERIMENTAL: ABI version 2 preview" OFF)
+otelcpp_option_flag(OTELCPP_WITH_ABI_VERSION_2
+                    "EXPERIMENTAL: ABI version 2 preview" OFF)
 
 set(_OTELCPP_WITH_METRICS_BOUND_INSTRUMENTS_PREVIEW_REQUESTED OFF)
 if(DEFINED OTELCPP_WITH_METRICS_BOUND_INSTRUMENTS_PREVIEW)
@@ -74,20 +75,21 @@ if(_OTELCPP_WITH_METRICS_BOUND_INSTRUMENTS_PREVIEW_REQUESTED
    AND NOT OTELCPP_WITH_ABI_VERSION_2)
   message(
     FATAL_ERROR
-      "OTELCPP_WITH_METRICS_BOUND_INSTRUMENTS_PREVIEW requires OTELCPP_WITH_ABI_VERSION_2")
+      "OTELCPP_WITH_METRICS_BOUND_INSTRUMENTS_PREVIEW requires OTELCPP_WITH_ABI_VERSION_2"
+  )
 endif()
 unset(_OTELCPP_WITH_METRICS_BOUND_INSTRUMENTS_PREVIEW_REQUESTED)
 
-
 # Experimental: bound synchronous metric instruments (Counter, Histogram).
-# Requires OTELCPP_WITH_ABI_VERSION_2. Context-bearing bound operations, exemplar
-# parity, Gauge, and UpDownCounter bound support are follow-ups.
+# Requires OTELCPP_WITH_ABI_VERSION_2. Context-bearing bound operations,
+# exemplar parity, Gauge, and UpDownCounter bound support are follow-ups.
 otelcpp_dependent_option(
   OTELCPP_WITH_METRICS_BOUND_INSTRUMENTS_PREVIEW
   "EXPERIMENTAL: bound synchronous metric instruments preview" OFF
   "OTELCPP_WITH_ABI_VERSION_2" OFF)
 
-otelcpp_option_flag(OTELCPP_WITH_CONFIGURATION "EXPERIMENTAL: YAML configuration file" OFF)
+otelcpp_option_flag(OTELCPP_WITH_CONFIGURATION
+                    "EXPERIMENTAL: YAML configuration file" OFF)
 
 #
 # We do not want to have OTELCPP_WITH_ABI_VERSION = "1" or "2", and instead
@@ -111,7 +113,9 @@ if(OTELCPP_WITH_ABI_VERSION_1 AND OTELCPP_WITH_ABI_VERSION_2)
   # Only one ABI is supported in a build.
   #
   message(
-    FATAL_ERROR "Set either OTELCPP_WITH_ABI_VERSION_1 or OTELCPP_WITH_ABI_VERSION_2, not both")
+    FATAL_ERROR
+      "Set either OTELCPP_WITH_ABI_VERSION_1 or OTELCPP_WITH_ABI_VERSION_2, not both"
+  )
 endif()
 
 if(OTELCPP_WITH_ABI_VERSION_2)
@@ -122,28 +126,30 @@ else()
   set(OPENTELEMETRY_ABI_VERSION_NO "${OPENTELEMETRY_ABI_VERSION_DEFAULT}")
 endif()
 
-if(OTELCPP_WITH_METRICS_BOUND_INSTRUMENTS_PREVIEW AND NOT OTELCPP_WITH_ABI_VERSION_2)
+if(OTELCPP_WITH_METRICS_BOUND_INSTRUMENTS_PREVIEW
+   AND NOT OTELCPP_WITH_ABI_VERSION_2)
   message(
     FATAL_ERROR
-      "OTELCPP_WITH_METRICS_BOUND_INSTRUMENTS_PREVIEW requires OTELCPP_WITH_ABI_VERSION_2")
+      "OTELCPP_WITH_METRICS_BOUND_INSTRUMENTS_PREVIEW requires OTELCPP_WITH_ABI_VERSION_2"
+  )
 endif()
 
-otelcpp_option_flag(OTELCPP_WITH_NO_DEPRECATED_CODE "Do not include deprecated code" OFF)
+otelcpp_option_flag(OTELCPP_WITH_NO_DEPRECATED_CODE
+                    "Do not include deprecated code" OFF)
 
-otelcpp_option_variable(
-  OTELCPP_WITH_STL "OFF" STRING
-  "Which version of the Standard Library for C++ to use")
+otelcpp_option_variable(OTELCPP_WITH_STL "OFF" STRING
+                        "Which version of the Standard Library for C++ to use")
 
-otelcpp_option_flag(OTELCPP_WITH_GSL
-       "Whether to use Guidelines Support Library for C++ latest features" OFF)
+otelcpp_option_flag(
+  OTELCPP_WITH_GSL
+  "Whether to use Guidelines Support Library for C++ latest features" OFF)
 
 set(OTELCPP_INSTALL_DEFAULT ON)
 if(NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
   set(OTELCPP_INSTALL_DEFAULT OFF)
 endif()
 otelcpp_option_flag(OTELCPP_INSTALL "Whether to install opentelemetry targets"
-       ${OTELCPP_INSTALL_DEFAULT})
-
+                    ${OTELCPP_INSTALL_DEFAULT})
 
 if(NOT OTELCPP_WITH_STL STREQUAL "OFF")
   # These definitions are needed for test projects that do not link against
@@ -164,22 +170,24 @@ if(NOT OTELCPP_WITH_STL STREQUAL "OFF")
   endif()
 endif()
 
-otelcpp_option_flag(OTELCPP_WITH_OTLP_RETRY_PREVIEW "Whether to enable retry functionality" ON)
+otelcpp_option_flag(OTELCPP_WITH_OTLP_RETRY_PREVIEW
+                    "Whether to enable retry functionality" ON)
 
 otelcpp_option_flag(OTELCPP_WITH_OTLP_GRPC_SSL_MTLS_PREVIEW
-       "Whether to enable mTLS support for gRPC" ON)
+                    "Whether to enable mTLS support for gRPC" ON)
 
-otelcpp_option_flag(OTELCPP_WITH_OTLP_GRPC_CREDENTIAL_PREVIEW
-       "Whether to enable gRPC credentials option in OTLP gRPC Exporter" OFF)
+otelcpp_option_flag(
+  OTELCPP_WITH_OTLP_GRPC_CREDENTIAL_PREVIEW
+  "Whether to enable gRPC credentials option in OTLP gRPC Exporter" OFF)
 
-otelcpp_option_flag(OTELCPP_WITH_OTLP_GRPC "Whether to include the OTLP gRPC exporter in the SDK"
-       OFF)
+otelcpp_option_flag(OTELCPP_WITH_OTLP_GRPC
+                    "Whether to include the OTLP gRPC exporter in the SDK" OFF)
 
-otelcpp_option_flag(OTELCPP_WITH_OTLP_HTTP "Whether to include the OTLP http exporter in the SDK"
-       OFF)
+otelcpp_option_flag(OTELCPP_WITH_OTLP_HTTP
+                    "Whether to include the OTLP http exporter in the SDK" OFF)
 
-otelcpp_option_flag(OTELCPP_WITH_OTLP_FILE "Whether to include the OTLP file exporter in the SDK"
-       OFF)
+otelcpp_option_flag(OTELCPP_WITH_OTLP_FILE
+                    "Whether to include the OTLP file exporter in the SDK" OFF)
 
 otelcpp_option_flag(
   OTELCPP_WITH_OTLP_HTTP_COMPRESSION
@@ -190,21 +198,24 @@ otelcpp_option_flag(
   OTELCPP_WITH_OTLP_UTF8_VALIDITY
   "Whether to enable UTF-8 validity checks for the OTLP exporter in the SDK" ON)
 
-otelcpp_option_flag(OTELCPP_WITH_CURL_LOGGING "Whether to enable select CURL verbosity in OTel logs"
-       OFF)
+otelcpp_option_flag(OTELCPP_WITH_CURL_LOGGING
+                    "Whether to enable select CURL verbosity in OTel logs" OFF)
 
-otelcpp_option_flag(OTELCPP_WITH_ZIPKIN "Whether to include the Zipkin exporter in the SDK" OFF)
+otelcpp_option_flag(OTELCPP_WITH_ZIPKIN
+                    "Whether to include the Zipkin exporter in the SDK" OFF)
 
-otelcpp_option_flag(OTELCPP_WITH_PROMETHEUS "Whether to include the Prometheus Client in the SDK"
-       OFF)
+otelcpp_option_flag(OTELCPP_WITH_PROMETHEUS
+                    "Whether to include the Prometheus Client in the SDK" OFF)
 
-otelcpp_option_flag(OTELCPP_WITH_ELASTICSEARCH
-       "Whether to include the Elasticsearch Client in the SDK" OFF)
+otelcpp_option_flag(
+  OTELCPP_WITH_ELASTICSEARCH
+  "Whether to include the Elasticsearch Client in the SDK" OFF)
 
-otelcpp_option_flag(OTELCPP_WITH_NO_GETENV "Whether the platform supports environment variables" OFF)
+otelcpp_option_flag(OTELCPP_WITH_NO_GETENV
+                    "Whether the platform supports environment variables" OFF)
 
-# BUILD_TESTING is a standard CMake variable, so use it only as the
-# top-level default and do not treat it as a deprecated alias.
+# BUILD_TESTING is a standard CMake variable, so use it only as the top-level
+# default and do not treat it as a deprecated alias.
 if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
   if(DEFINED BUILD_TESTING)
     option(OTELCPP_BUILD_TESTING "Whether to enable tests" "${BUILD_TESTING}")
@@ -215,22 +226,25 @@ else()
   option(OTELCPP_BUILD_TESTING "Whether to enable tests" OFF)
 endif()
 
-otelcpp_option_flag(OTELCPP_WITH_BENCHMARK "Whether to build benchmark program" ON)
+otelcpp_option_flag(OTELCPP_WITH_BENCHMARK "Whether to build benchmark program"
+                    ON)
 
-otelcpp_option_flag(OTELCPP_BUILD_W3CTRACECONTEXT_TEST "Whether to build w3c trace context" OFF)
+otelcpp_option_flag(OTELCPP_BUILD_W3CTRACECONTEXT_TEST
+                    "Whether to build w3c trace context" OFF)
 
-otelcpp_option_flag(OTELCPP_MAINTAINER_MODE "Build in maintainer mode (-Wall -Werror)" OFF)
+otelcpp_option_flag(OTELCPP_MAINTAINER_MODE
+                    "Build in maintainer mode (-Wall -Werror)" OFF)
 
-otelcpp_option_flag(OTELCPP_WITH_OPENTRACING "Whether to include the Opentracing shim" OFF)
+otelcpp_option_flag(OTELCPP_WITH_OPENTRACING
+                    "Whether to include the Opentracing shim" OFF)
 
-otelcpp_option_flag(OTELCPP_VERSIONED_LIBS "Whether to generate the versioned shared libs"
-       OFF)
+otelcpp_option_flag(OTELCPP_VERSIONED_LIBS
+                    "Whether to generate the versioned shared libs" OFF)
 otelcpp_option_flag(
   OTELCPP_BUILD_DLL
   "Whether to build the OpenTelemetry C++ SDK as a Windows DLL" OFF)
 
-otelcpp_option_flag(OTELCPP_BUILD_PACKAGE "Whether to generate a package"
-                    OFF)
+otelcpp_option_flag(OTELCPP_BUILD_PACKAGE "Whether to generate a package" OFF)
 
 otelcpp_option_variable(
   OTELCPP_EXTERNAL_COMPONENT_PATH "" STRING
@@ -241,7 +255,8 @@ if(OTELCPP_VERSIONED_LIBS AND NOT BUILD_SHARED_LIBS)
 endif()
 
 if(WIN32)
-  otelcpp_option_flag(OTELCPP_WITH_ETW "Whether to include the ETW Exporter in the SDK" ON)
+  otelcpp_option_flag(OTELCPP_WITH_ETW
+                      "Whether to include the ETW Exporter in the SDK" ON)
 else()
   if(DEFINED OTELCPP_WITH_ETW OR DEFINED WITH_ETW)
     message(FATAL_ERROR "OTELCPP_WITH_ETW is only supported on Windows")
@@ -265,24 +280,26 @@ otelcpp_option_flag(
   "Whether to build http client/server examples. Requires OTELCPP_WITH_EXAMPLES and CURL"
   OFF)
 
-otelcpp_option_flag(OTELCPP_WITH_FUNC_TESTS "Whether to build functional tests" ON)
+otelcpp_option_flag(OTELCPP_WITH_FUNC_TESTS "Whether to build functional tests"
+                    ON)
 
-otelcpp_option_flag(OTELCPP_WITH_ASYNC_EXPORT_PREVIEW "Whether to enable async export" OFF)
+otelcpp_option_flag(OTELCPP_WITH_ASYNC_EXPORT_PREVIEW
+                    "Whether to enable async export" OFF)
 
 # Exemplar specs status is experimental, so behind feature flag by default
 otelcpp_option_flag(OTELCPP_WITH_METRICS_EXEMPLAR_PREVIEW
-       "Whether to enable exemplar within metrics" OFF)
+                    "Whether to enable exemplar within metrics" OFF)
 
 # Experimental, so behind feature flag by default
 otelcpp_option_flag(OTELCPP_WITH_THREAD_INSTRUMENTATION_PREVIEW
-       "Whether to enable thread instrumentation" OFF)
+                    "Whether to enable thread instrumentation" OFF)
 
 otelcpp_option_flag(OTELCPP_WITH_RESOURCE_DETECTORS_PREVIEW
-       "Whether to enable inbuilt resource detectors" OFF)
+                    "Whether to enable inbuilt resource detectors" OFF)
 
-otelcpp_option_flag(OTELCPP_SKIP_DYNAMIC_LOADING_TESTS
-       "Whether to build test libraries that are always linked as shared libs"
-       OFF)
+otelcpp_option_flag(
+  OTELCPP_SKIP_DYNAMIC_LOADING_TESTS
+  "Whether to build test libraries that are always linked as shared libs" OFF)
 
 #
 # Verify options dependencies
@@ -291,7 +308,9 @@ otelcpp_option_flag(OTELCPP_SKIP_DYNAMIC_LOADING_TESTS
 include(FetchContent)
 
 if(OTELCPP_WITH_EXAMPLES_HTTP AND NOT OTELCPP_WITH_EXAMPLES)
-  message(FATAL_ERROR "OTELCPP_WITH_EXAMPLES_HTTP=ON requires OTELCPP_WITH_EXAMPLES=ON")
+  message(
+    FATAL_ERROR
+      "OTELCPP_WITH_EXAMPLES_HTTP=ON requires OTELCPP_WITH_EXAMPLES=ON")
 endif()
 
 if(OTELCPP_WITH_GSL)
@@ -337,8 +356,8 @@ otelcpp_dependent_option(
   OFF)
 
 #
-# Locally override options if OTELCPP_WITH_API_ONLY is set to prevent third party
-# dependencies from being imported
+# Locally override options if OTELCPP_WITH_API_ONLY is set to prevent third
+# party dependencies from being imported
 #
 
 if(OTELCPP_WITH_API_ONLY)
@@ -566,7 +585,8 @@ message(STATUS "---------------------------------------------")
 message(STATUS "opentelemetry-cpp build options")
 message(STATUS "---------------------------------------------")
 message(STATUS "OTELCPP_WITH_API_ONLY: ${OTELCPP_WITH_API_ONLY}")
-message(STATUS "OTELCPP_WITH_NO_DEPRECATED_CODE: ${OTELCPP_WITH_NO_DEPRECATED_CODE}")
+message(
+  STATUS "OTELCPP_WITH_NO_DEPRECATED_CODE: ${OTELCPP_WITH_NO_DEPRECATED_CODE}")
 message(STATUS "OTELCPP_WITH_ABI_VERSION_1: ${OTELCPP_WITH_ABI_VERSION_1}")
 message(STATUS "OTELCPP_WITH_ABI_VERSION_2: ${OTELCPP_WITH_ABI_VERSION_2}")
 message(STATUS "OTELCPP_VERSIONED_LIBS: ${OTELCPP_VERSIONED_LIBS}")
@@ -585,7 +605,8 @@ message(STATUS "---------------------------------------------")
 message(STATUS "OTELCPP_WITH_OTLP_GRPC: ${OTELCPP_WITH_OTLP_GRPC}")
 message(STATUS "OTELCPP_WITH_OTLP_HTTP: ${OTELCPP_WITH_OTLP_HTTP}")
 message(STATUS "OTELCPP_WITH_OTLP_FILE: ${OTELCPP_WITH_OTLP_FILE}")
-message(STATUS "OTELCPP_WITH_HTTP_CLIENT_CURL: ${OTELCPP_WITH_HTTP_CLIENT_CURL}")
+message(
+  STATUS "OTELCPP_WITH_HTTP_CLIENT_CURL: ${OTELCPP_WITH_HTTP_CLIENT_CURL}")
 message(STATUS "OTELCPP_WITH_ZIPKIN: ${OTELCPP_WITH_ZIPKIN}")
 message(STATUS "OTELCPP_WITH_PROMETHEUS: ${OTELCPP_WITH_PROMETHEUS}")
 message(STATUS "OTELCPP_WITH_ELASTICSEARCH: ${OTELCPP_WITH_ELASTICSEARCH}")
@@ -597,19 +618,27 @@ message(STATUS "OTELCPP_WITH_CONFIGURATION: ${OTELCPP_WITH_CONFIGURATION}")
 message(STATUS "---------------------------------------------")
 message(STATUS "feature preview options")
 message(STATUS "---------------------------------------------")
-message(STATUS "OTELCPP_WITH_ASYNC_EXPORT_PREVIEW: ${OTELCPP_WITH_ASYNC_EXPORT_PREVIEW}")
+message(
+  STATUS
+    "OTELCPP_WITH_ASYNC_EXPORT_PREVIEW: ${OTELCPP_WITH_ASYNC_EXPORT_PREVIEW}")
 message(
   STATUS
     "OTELCPP_WITH_THREAD_INSTRUMENTATION_PREVIEW: ${OTELCPP_WITH_THREAD_INSTRUMENTATION_PREVIEW}"
 )
 message(
-  STATUS "OTELCPP_WITH_METRICS_EXEMPLAR_PREVIEW: ${OTELCPP_WITH_METRICS_EXEMPLAR_PREVIEW}")
+  STATUS
+    "OTELCPP_WITH_METRICS_EXEMPLAR_PREVIEW: ${OTELCPP_WITH_METRICS_EXEMPLAR_PREVIEW}"
+)
 message(
-  STATUS "OTELCPP_WITH_OTLP_GRPC_SSL_MTLS_PREVIEW: ${OTELCPP_WITH_OTLP_GRPC_SSL_MTLS_PREVIEW}")
+  STATUS
+    "OTELCPP_WITH_OTLP_GRPC_SSL_MTLS_PREVIEW: ${OTELCPP_WITH_OTLP_GRPC_SSL_MTLS_PREVIEW}"
+)
 message(
   STATUS
-    "OTELCPP_WITH_OTLP_GRPC_CREDENTIAL_PREVIEW: ${OTELCPP_WITH_OTLP_GRPC_CREDENTIAL_PREVIEW}")
-message(STATUS "OTELCPP_WITH_OTLP_RETRY_PREVIEW: ${OTELCPP_WITH_OTLP_RETRY_PREVIEW}")
+    "OTELCPP_WITH_OTLP_GRPC_CREDENTIAL_PREVIEW: ${OTELCPP_WITH_OTLP_GRPC_CREDENTIAL_PREVIEW}"
+)
+message(
+  STATUS "OTELCPP_WITH_OTLP_RETRY_PREVIEW: ${OTELCPP_WITH_OTLP_RETRY_PREVIEW}")
 message(
   STATUS
     "OTELCPP_WITH_METRICS_BOUND_INSTRUMENTS_PREVIEW: ${OTELCPP_WITH_METRICS_BOUND_INSTRUMENTS_PREVIEW}"
@@ -619,15 +648,19 @@ message(STATUS "third-party options")
 message(STATUS "---------------------------------------------")
 message(STATUS "WITH_NLOHMANN_JSON: ${USE_NLOHMANN_JSON}")
 message(STATUS "OTELCPP_WITH_CURL_LOGGING: ${OTELCPP_WITH_CURL_LOGGING}")
-message(STATUS "OTELCPP_WITH_OTLP_HTTP_COMPRESSION: ${OTELCPP_WITH_OTLP_HTTP_COMPRESSION}")
+message(
+  STATUS
+    "OTELCPP_WITH_OTLP_HTTP_COMPRESSION: ${OTELCPP_WITH_OTLP_HTTP_COMPRESSION}")
 message(STATUS "---------------------------------------------")
 message(STATUS "examples and test options")
 message(STATUS "---------------------------------------------")
 message(STATUS "OTELCPP_WITH_BENCHMARK: ${OTELCPP_WITH_BENCHMARK}")
 message(STATUS "OTELCPP_WITH_EXAMPLES: ${OTELCPP_WITH_EXAMPLES}")
 message(STATUS "OTELCPP_WITH_EXAMPLES_HTTP: ${OTELCPP_WITH_EXAMPLES_HTTP}")
 message(STATUS "OTELCPP_WITH_FUNC_TESTS: ${OTELCPP_WITH_FUNC_TESTS}")
-message(STATUS "OTELCPP_BUILD_W3CTRACECONTEXT_TEST: ${OTELCPP_BUILD_W3CTRACECONTEXT_TEST}")
+message(
+  STATUS
+    "OTELCPP_BUILD_W3CTRACECONTEXT_TEST: ${OTELCPP_BUILD_W3CTRACECONTEXT_TEST}")
 message(STATUS "OTELCPP_BUILD_TESTING: ${OTELCPP_BUILD_TESTING}")
 message(STATUS "---------------------------------------------")
 message(STATUS "versions")

examples/common/foo_library/CMakeLists.txt

@@ -3,7 +3,7 @@
 
 add_library(common_foo_library foo_library.h foo_library.cc)
 
-if(DEFINED OTELCPP_BUILD_DLL)
+if(OTELCPP_BUILD_DLL)
   target_compile_definitions(common_foo_library
                              PRIVATE OPENTELEMETRY_BUILD_IMPORT_DLL)
 endif()

examples/common/logs_foo_library/CMakeLists.txt

@@ -3,7 +3,7 @@
 
 add_library(common_logs_foo_library foo_library.h foo_library.cc)
 
-if(DEFINED OTELCPP_BUILD_DLL)
+if(OTELCPP_BUILD_DLL)
   target_compile_definitions(common_logs_foo_library
                              PRIVATE OPENTELEMETRY_BUILD_IMPORT_DLL)
 endif()

examples/common/metrics_foo_library/CMakeLists.txt

@@ -3,7 +3,7 @@
 
 add_library(common_metrics_foo_library foo_library.h foo_library.cc)
 
-if(DEFINED OTELCPP_BUILD_DLL)
+if(OTELCPP_BUILD_DLL)
   target_compile_definitions(common_metrics_foo_library
                              PRIVATE OPENTELEMETRY_BUILD_IMPORT_DLL)
 endif()

examples/configuration/CMakeLists.txt

@@ -61,7 +61,7 @@ if(OTELCPP_WITH_PROMETHEUS)
                         PRIVATE opentelemetry-cpp::prometheus_exporter_builder)
 endif()
 
-if(DEFINED OTELCPP_BUILD_DLL)
+if(OTELCPP_BUILD_DLL)
   target_compile_definitions(example_yaml
                              PRIVATE OPENTELEMETRY_BUILD_IMPORT_DLL)
   target_link_libraries(example_yaml

examples/environment_carrier/CMakeLists.txt

@@ -4,7 +4,7 @@
 if(NOT WIN32)
   add_executable(example_environment_carrier main.cc)
 
-  if(DEFINED OTELCPP_BUILD_DLL)
+  if(OTELCPP_BUILD_DLL)
     target_compile_definitions(example_environment_carrier
                                PRIVATE OPENTELEMETRY_BUILD_IMPORT_DLL)
     target_link_libraries(example_environment_carrier

examples/logs_simple/CMakeLists.txt

@@ -4,7 +4,7 @@
 add_executable(example_logs_simple main.cc)
 target_link_libraries(example_logs_simple PRIVATE common_logs_foo_library)
 
-if(DEFINED OTELCPP_BUILD_DLL)
+if(OTELCPP_BUILD_DLL)
   target_compile_definitions(example_logs_simple
                              PRIVATE OPENTELEMETRY_BUILD_IMPORT_DLL)
   target_link_libraries(example_logs_simple

examples/metrics_simple/CMakeLists.txt

@@ -6,7 +6,7 @@ add_executable(metrics_ostream_example metrics_ostream.cc)
 target_link_libraries(metrics_ostream_example
                       PRIVATE common_metrics_foo_library)
 
-if(DEFINED OTELCPP_BUILD_DLL)
+if(OTELCPP_BUILD_DLL)
   target_compile_definitions(metrics_ostream_example
                              PRIVATE OPENTELEMETRY_BUILD_IMPORT_DLL)
   target_link_libraries(metrics_ostream_example