ostream metrics cmake (#1344)

Author: esigo

examples/CMakeLists.txt

@@ -18,9 +18,7 @@ endif()
 add_subdirectory(plugin)
 add_subdirectory(simple)
 add_subdirectory(batch)
-if(WITH_METRICS_PREVIEW)
-  add_subdirectory(metrics_simple)
-endif()
+add_subdirectory(metrics_simple)
 add_subdirectory(multithreaded)
 add_subdirectory(multi_processor)
 add_subdirectory(http)

examples/common/CMakeLists.txt

@@ -2,3 +2,4 @@ add_subdirectory(foo_library)
 if(WITH_LOGS_PREVIEW)
   add_subdirectory(logs_foo_library)
 endif()
+add_subdirectory(metrics_foo_library)

examples/common/metrics_foo_library/CMakeLists.txt

@@ -0,0 +1,2 @@
+add_library(common_metrics_foo_library foo_library.h foo_library.cc)
+target_link_libraries(common_metrics_foo_library PUBLIC opentelemetry_api)

examples/metrics_simple/CMakeLists.txt

@@ -1,6 +1,13 @@
 include_directories(${CMAKE_SOURCE_DIR}/exporters/ostream/include)
-
-add_executable(simple_metrics main.cc)
-target_link_libraries(
-  simple_metrics ${CMAKE_THREAD_LIBS_INIT} opentelemetry_metrics_deprecated
-  opentelemetry_exporter_ostream_metrics_deprecated)
+if(WITH_METRICS_PREVIEW)
+  add_executable(simple_metrics main.cc)
+  target_link_libraries(
+    simple_metrics ${CMAKE_THREAD_LIBS_INIT} opentelemetry_metrics_deprecated
+    opentelemetry_exporter_ostream_metrics_deprecated)
+else()
+  add_executable(metrics_ostream_example metrics_ostream.cc)
+  target_link_libraries(
+    metrics_ostream_example ${CMAKE_THREAD_LIBS_INIT} opentelemetry_metrics
+    opentelemetry_exporter_ostream_metrics opentelemetry_resources
+    common_metrics_foo_library)
+endif()

exporters/ostream/CMakeLists.txt

@@ -63,6 +63,35 @@ if(WITH_METRICS_PREVIEW)
       TEST_PREFIX exporter.
       TEST_LIST ostream_metrics_test)
   endif()
+else()
+  add_library(opentelemetry_exporter_ostream_metrics src/metric_exporter.cc)
+  set_target_properties(opentelemetry_exporter_ostream_metrics
+                        PROPERTIES EXPORT_NAME ostream_metrics_exporter)
+  target_include_directories(
+    opentelemetry_exporter_ostream_metrics
+    PUBLIC "$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>")
+  target_link_libraries(opentelemetry_exporter_ostream_metrics
+                        PUBLIC opentelemetry_metrics)
+  install(
+    TARGETS opentelemetry_exporter_ostream_metrics
+    EXPORT "${PROJECT_NAME}-target"
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
+  install(
+    DIRECTORY include/opentelemetry/exporters/ostream
+    DESTINATION include/opentelemetry/exporters
+    PATTERN "metric_exporter.h")
+  if(BUILD_TESTING)
+    add_executable(ostream_metric_test test/ostream_metric_test.cc)
+    target_link_libraries(
+      ostream_metric_test ${GTEST_BOTH_LIBRARIES}
+      opentelemetry_exporter_ostream_metrics opentelemetry_resources)
+    gtest_add_tests(
+      TARGET ostream_metric_test
+      TEST_PREFIX exporter.
+      TEST_LIST ostream_metric_test)
+  endif()
 endif()
 
 if(WITH_LOGS_PREVIEW)