diff --git a/CMakeLists.txt b/CMakeLists.txt index f57ce47779..4af81bf0e9 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -688,6 +688,7 @@ if(NOT WITH_API_ONLY) endif() include(cmake/opentelemetry-build-external-component.cmake) +include(cmake/patch-imported-config.cmake) if(OPENTELEMETRY_INSTALL) # Export cmake config and support find_packages(opentelemetry-cpp CONFIG) diff --git a/cmake/patch-imported-config.cmake b/cmake/patch-imported-config.cmake new file mode 100644 index 0000000000..ec68d74099 --- /dev/null +++ b/cmake/patch-imported-config.cmake @@ -0,0 +1,141 @@ +# Copyright The OpenTelemetry Authors +# SPDX-License-Identifier: Apache-2.0 + +# Some prebuilt or installed targets may have different CONFIG settings than +# what we use to configure otel-cpp. This file applies patches to the imported +# targets in order to use compatible CONFIG settings for fallback. + +# Common dependencies +project_build_tools_patch_default_imported_config(ZLIB::ZLIB) + +# protobuf targets +if(Protobuf_FOUND OR PROTOBUF_FOUND) + project_build_tools_patch_default_imported_config( + utf8_range::utf8_range utf8_range::utf8_validity protobuf::libprotobuf-lite + protobuf::libprotobuf protobuf::libprotoc) +endif() + +# cares targets +if(TARGET c-ares::cares) + project_build_tools_patch_default_imported_config(c-ares::cares) +endif() + +# curl targets +if(TARGET CURL::libcurl) + project_build_tools_patch_default_imported_config(CURL::libcurl) +endif() + +# abseil targets +if(WITH_ABSEIL) + project_build_tools_patch_default_imported_config( + absl::bad_variant_access + absl::raw_logging_internal + absl::log_severity + absl::log_internal_check_op + absl::log_internal_nullguard + absl::strings + absl::strings_internal + absl::base + absl::spinlock_wait + absl::int128 + absl::throw_delegate + absl::log_internal_message + absl::examine_stack + absl::stacktrace + absl::debugging_internal + absl::symbolize + absl::demangle_internal + absl::malloc_internal + absl::log_internal_format + absl::log_internal_globals + absl::time + absl::civil_time + absl::time_zone + absl::str_format_internal + absl::log_internal_proto + absl::log_internal_log_sink_set + absl::log_globals + absl::hash + absl::city + absl::bad_optional_access + absl::low_level_hash + absl::log_entry + absl::log_sink + absl::synchronization + absl::graphcycles_internal + absl::strerror + absl::log_internal_conditions + absl::cord + absl::cord_internal + absl::crc_cord_state + absl::crc32c + absl::crc_cpu_detect + absl::crc_internal + absl::cordz_functions + absl::exponential_biased + absl::cordz_info + absl::cordz_handle + absl::leak_check + absl::die_if_null + absl::flags + absl::flags_commandlineflag + absl::flags_commandlineflag_internal + absl::flags_config + absl::flags_program_name + absl::flags_internal + absl::flags_marshalling + absl::flags_reflection + absl::flags_private_handle_accessor + absl::raw_hash_set + absl::hashtablez_sampler + absl::log_initialize + absl::status + absl::statusor) +endif() + +# gRPC targets +if(TARGET gRPC::grpc++) + project_build_tools_patch_default_imported_config( + gRPC::cares + gRPC::re2 + gRPC::ssl + gRPC::crypto + gRPC::zlibstatic + gRPC::address_sorting + gRPC::gpr + gRPC::grpc + gRPC::grpc_unsecure + gRPC::grpc++ + gRPC::grpc++_alts + gRPC::grpc++_error_details + gRPC::grpc++_reflection + gRPC::grpc++_unsecure + gRPC::grpc_authorization_provider + gRPC::grpc_plugin_support + gRPC::grpcpp_channelz + gRPC::upb) +endif() + +# prometheus targets +if(TARGET prometheus-cpp::core) + project_build_tools_patch_default_imported_config( + prometheus-cpp::core prometheus-cpp::pull prometheus-cpp::push) +endif() + +# civetweb targets +if(TARGET civetweb::civetweb) + project_build_tools_patch_default_imported_config( + civetweb::civetweb civetweb::server civetweb::civetweb-cpp) +endif() + +if(BUILD_TESTING) + project_build_tools_patch_default_imported_config( + GTest::gtest + GTest::gtest_main + GTest::gmock + GTest::gmock_main + GTest::GTest + GTest::Main + benchmark::benchmark + benchmark::benchmark_main) +endif() diff --git a/cmake/tools.cmake b/cmake/tools.cmake index 345fc88ff7..ee191121ca 100644 --- a/cmake/tools.cmake +++ b/cmake/tools.cmake @@ -117,3 +117,83 @@ function(project_build_tools_get_imported_location OUTPUT_VAR_NAME TARGET_NAME) PARENT_SCOPE) endif() endfunction() + +#[[ +If we build third party packages with a different CONFIG setting from building +otel-cpp, cmake may not find a suitable file in imported targets (#705, #1359) +when linking. But on some platforms, different CONFIG settings can be used when +these CONFIG settings have the same ABI. For example, on Linux, we can build +gRPC and protobuf with -DCMAKE_BUILD_TYPE=Release, but build otel-cpp with +-DCMAKE_BUILD_TYPE=Debug and link these libraries together. +The properties of imported targets can be found here: +https://cmake.org/cmake/help/latest/manual/cmake-properties.7.html#properties-on-targets +]] +function(project_build_tools_patch_default_imported_config) + set(PATCH_VARS + IMPORTED_IMPLIB + IMPORTED_LIBNAME + IMPORTED_LINK_DEPENDENT_LIBRARIES + IMPORTED_LINK_INTERFACE_LANGUAGES + IMPORTED_LINK_INTERFACE_LIBRARIES + IMPORTED_LINK_INTERFACE_MULTIPLICITY + IMPORTED_LOCATION + IMPORTED_NO_SONAME + IMPORTED_OBJECTS + IMPORTED_SONAME) + foreach(TARGET_NAME ${ARGN}) + if(TARGET ${TARGET_NAME}) + get_target_property(IS_IMPORTED_TARGET ${TARGET_NAME} IMPORTED) + if(NOT IS_IMPORTED_TARGET) + continue() + endif() + + if(CMAKE_VERSION VERSION_LESS "3.19.0") + get_target_property(TARGET_TYPE_NAME ${TARGET_NAME} TYPE) + if(TARGET_TYPE_NAME STREQUAL "INTERFACE_LIBRARY") + continue() + endif() + endif() + + get_target_property(DO_NOT_OVERWRITE ${TARGET_NAME} IMPORTED_LOCATION) + if(DO_NOT_OVERWRITE) + continue() + endif() + + # MSVC's STL and debug level must match the target, so we can only move + # out IMPORTED_LOCATION_NOCONFIG + if(MSVC) + set(PATCH_IMPORTED_CONFIGURATION "NOCONFIG") + else() + get_target_property(PATCH_IMPORTED_CONFIGURATION ${TARGET_NAME} + IMPORTED_CONFIGURATIONS) + endif() + + if(NOT PATCH_IMPORTED_CONFIGURATION) + continue() + endif() + + get_target_property(PATCH_TARGET_LOCATION ${TARGET_NAME} + "IMPORTED_LOCATION_${PATCH_IMPORTED_CONFIGURATION}") + if(NOT PATCH_TARGET_LOCATION) + continue() + endif() + + foreach(PATCH_IMPORTED_KEY IN LISTS PATCH_VARS) + get_target_property( + PATCH_IMPORTED_VALUE ${TARGET_NAME} + "${PATCH_IMPORTED_KEY}_${PATCH_IMPORTED_CONFIGURATION}") + if(PATCH_IMPORTED_VALUE) + set_target_properties( + ${TARGET_NAME} PROPERTIES "${PATCH_IMPORTED_KEY}" + "${PATCH_IMPORTED_VALUE}") + if(CMAKE_BUILD_TYPE STREQUAL "Debug") + message( + STATUS + "Patch: ${TARGET_NAME} ${PATCH_IMPORTED_KEY} will use ${PATCH_IMPORTED_KEY}_${PATCH_IMPORTED_CONFIGURATION}(\"${PATCH_IMPORTED_VALUE}\") by default." + ) + endif() + endif() + endforeach() + endif() + endforeach() +endfunction()