add_library(opentelemetry_ext INTERFACE)
target_include_directories(
  opentelemetry_ext
  INTERFACE "$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>"
            "$<INSTALL_INTERFACE:include>")

set_target_properties(opentelemetry_ext PROPERTIES EXPORT_NAME "ext")
target_link_libraries(opentelemetry_ext INTERFACE opentelemetry_api)

install(
  TARGETS opentelemetry_ext
  EXPORT "${PROJECT_NAME}-target"
  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})

install(
  DIRECTORY include/opentelemetry/ext
  DESTINATION include/opentelemetry/
  FILES_MATCHING
  PATTERN "*.h")

add_subdirectory(src)

if(BUILD_TESTING)
  add_subdirectory(test)
endif()