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# Copyright The OpenTelemetry Authors
# SPDX-License-Identifier: Apache-2.0
add_library(opentelemetry_api INTERFACE)
target_include_directories(
opentelemetry_api
INTERFACE "$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>"
"$<INSTALL_INTERFACE:include>")
set_target_properties(opentelemetry_api PROPERTIES EXPORT_NAME api)
unset(TARGET_DEPS)
if(BUILD_TESTING)
add_subdirectory(test)
endif()
if(WITH_NO_DEPRECATED_CODE)
target_compile_definitions(opentelemetry_api
INTERFACE OPENTELEMETRY_NO_DEPRECATED_CODE)
endif()
if(WITH_STL STREQUAL "OFF")
message(STATUS "Building WITH_STL=OFF")
elseif(WITH_STL STREQUAL "CXX11")
message(STATUS "Building WITH_STL=CXX11")
target_compile_definitions(opentelemetry_api
INTERFACE OPENTELEMETRY_STL_VERSION=2011)
elseif(WITH_STL STREQUAL "CXX14")
message(STATUS "Building WITH_STL=CXX14")
target_compile_definitions(opentelemetry_api
INTERFACE OPENTELEMETRY_STL_VERSION=2014)
elseif(WITH_STL STREQUAL "CXX17")
message(STATUS "Building WITH_STL=CXX17")
target_compile_definitions(opentelemetry_api
INTERFACE OPENTELEMETRY_STL_VERSION=2017)
elseif(WITH_STL STREQUAL "CXX20")
message(STATUS "Building WITH_STL=CXX20")
target_compile_definitions(opentelemetry_api
INTERFACE OPENTELEMETRY_STL_VERSION=2020)
elseif(WITH_STL STREQUAL "CXX23")
message(STATUS "Building WITH_STL=CXX23")
target_compile_definitions(opentelemetry_api
INTERFACE OPENTELEMETRY_STL_VERSION=2023)
elseif(WITH_STL STREQUAL "CXX26")
message(STATUS "Building WITH_STL=CXX26")
target_compile_definitions(opentelemetry_api
INTERFACE OPENTELEMETRY_STL_VERSION=2026)
elseif(WITH_STL STREQUAL "ON")
message(STATUS "Building WITH_STL=ON")
# "ON" corresponds to "CXX23" at this time.
target_compile_definitions(opentelemetry_api
INTERFACE OPENTELEMETRY_STL_VERSION=2023)
else()
message(
FATAL_ERROR
"WITH_STL must be ON, OFF, CXX11, CXX14, CXX17, CXX20, CXX23 or CXX26")
endif()
if(WITH_GSL)
target_compile_definitions(opentelemetry_api INTERFACE HAVE_GSL)
target_link_libraries(opentelemetry_api INTERFACE Microsoft.GSL::GSL)
list(APPEND TARGET_DEPS "gsl")
endif()
if(WITH_NO_GETENV)
target_compile_definitions(opentelemetry_api INTERFACE NO_GETENV)
endif()
if(WIN32)
if(WITH_ETW)
target_compile_definitions(opentelemetry_api INTERFACE HAVE_MSGPACK)
endif()
endif()
if(WITH_ASYNC_EXPORT_PREVIEW)
target_compile_definitions(opentelemetry_api INTERFACE ENABLE_ASYNC_EXPORT)
endif()
target_compile_definitions(
opentelemetry_api
INTERFACE OPENTELEMETRY_ABI_VERSION_NO=${OPENTELEMETRY_ABI_VERSION_NO})
if(WITH_OTLP_RETRY_PREVIEW)
target_compile_definitions(opentelemetry_api
INTERFACE ENABLE_OTLP_RETRY_PREVIEW)
endif()
if(WITH_OTLP_GRPC_SSL_MTLS_PREVIEW)
target_compile_definitions(opentelemetry_api
INTERFACE ENABLE_OTLP_GRPC_SSL_MTLS_PREVIEW)
endif()
if(WITH_OTLP_GRPC_CREDENTIAL_PREVIEW)
target_compile_definitions(opentelemetry_api
INTERFACE ENABLE_OTLP_GRPC_CREDENTIAL_PREVIEW)
endif()
if(WITH_METRICS_EXEMPLAR_PREVIEW)
target_compile_definitions(opentelemetry_api
INTERFACE ENABLE_METRICS_EXEMPLAR_PREVIEW)
endif()
if(WITH_THREAD_INSTRUMENTATION_PREVIEW)
target_compile_definitions(opentelemetry_api
INTERFACE ENABLE_THREAD_INSTRUMENTATION_PREVIEW)
endif()
if(WITH_OTLP_HTTP_COMPRESSION)
target_compile_definitions(opentelemetry_api
INTERFACE ENABLE_OTLP_COMPRESSION_PREVIEW)
endif()
if(APPLE)
target_link_libraries(opentelemetry_api INTERFACE "-framework CoreFoundation")
endif()
otel_add_component(
COMPONENT
api
TARGETS
opentelemetry_api
FILES_DIRECTORY
"include/opentelemetry"
FILES_DESTINATION
"include"
FILES_MATCHING
PATTERN
"*.h")
include(${PROJECT_SOURCE_DIR}/cmake/pkgconfig.cmake)
if(OPENTELEMETRY_INSTALL)
opentelemetry_add_pkgconfig(
api "OpenTelemetry API"
"A header-only library to support instrumentation with OpenTelemetry."
"${TARGET_DEPS}")
endif()
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