Add a CMake option to disable shared libs

tobim · tobim · commit 7d4291fa91de · 2024-10-12T09:30:26.000+02:00
This option is useful to support platforms that do not support
dynamic libraries and `dlopen`.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -287,6 +287,10 @@ option(WITH_ASYNC_EXPORT_PREVIEW "Whether to enable async export" OFF)
 option(WITH_METRICS_EXEMPLAR_PREVIEW
        "Whether to enable exemplar within metrics" OFF)
 
+option(OPENTELEMETRY_STATIC_ONLY
+       "Whether to build test libraries that are always linked as shared libs"
+       OFF)
+
 #
 # Verify options dependencies
 #
diff --git a/api/test/singleton/CMakeLists.txt b/api/test/singleton/CMakeLists.txt
@@ -1,6 +1,10 @@
 # Copyright The OpenTelemetry Authors
 # SPDX-License-Identifier: Apache-2.0
 
+if(OPENTELEMETRY_STATIC_ONLY)
+  return()
+endif()
+
 include(GoogleTest)
 
 # Header only singletons are not available in windows yet.
diff --git a/examples/plugin/plugin/CMakeLists.txt b/examples/plugin/plugin/CMakeLists.txt
@@ -1,5 +1,9 @@
 # Copyright The OpenTelemetry Authors
 # SPDX-License-Identifier: Apache-2.0
 
+if(OPENTELEMETRY_STATIC_ONLY)
+  return()
+endif()
+
 add_library(example_plugin SHARED tracer.cc factory_impl.cc)
 target_link_libraries(example_plugin opentelemetry_api)

Original file line number	Diff line number	Diff line change
`@@ -287,6 +287,10 @@ option(WITH_ASYNC_EXPORT_PREVIEW "Whether to enable async export" OFF)`
`287`	`287`	`option(WITH_METRICS_EXEMPLAR_PREVIEW`
`288`	`288`	`"Whether to enable exemplar within metrics" OFF)`
`289`	`289`
	`290`	`+option(OPENTELEMETRY_STATIC_ONLY`
	`291`	`+ "Whether to build test libraries that are always linked as shared libs"`
	`292`	`+ OFF)`
	`293`	`+`
`290`	`294`	`#`
`291`	`295`	`# Verify options dependencies`
`292`	`296`	`#`