xref: /aosp_15_r20/external/grpc-grpc/cmake/opentelemetry-cpp.cmake (revision cc02d7e222339f7a4f6ba5f422e6413f4bd931f2)
1*cc02d7e2SAndroid Build Coastguard Worker# Copyright 2024 gRPC authors.
2*cc02d7e2SAndroid Build Coastguard Worker#
3*cc02d7e2SAndroid Build Coastguard Worker# Licensed under the Apache License, Version 2.0 (the "License");
4*cc02d7e2SAndroid Build Coastguard Worker# you may not use this file except in compliance with the License.
5*cc02d7e2SAndroid Build Coastguard Worker# You may obtain a copy of the License at
6*cc02d7e2SAndroid Build Coastguard Worker#
7*cc02d7e2SAndroid Build Coastguard Worker#     http://www.apache.org/licenses/LICENSE-2.0
8*cc02d7e2SAndroid Build Coastguard Worker#
9*cc02d7e2SAndroid Build Coastguard Worker# Unless required by applicable law or agreed to in writing, software
10*cc02d7e2SAndroid Build Coastguard Worker# distributed under the License is distributed on an "AS IS" BASIS,
11*cc02d7e2SAndroid Build Coastguard Worker# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12*cc02d7e2SAndroid Build Coastguard Worker# See the License for the specific language governing permissions and
13*cc02d7e2SAndroid Build Coastguard Worker# limitations under the License.
14*cc02d7e2SAndroid Build Coastguard Worker
15*cc02d7e2SAndroid Build Coastguard Workerif(TARGET opentelemetry-cpp::api)
16*cc02d7e2SAndroid Build Coastguard Worker  # If opentelemetry is included already, skip including it.
17*cc02d7e2SAndroid Build Coastguard Worker# OpenTelemetry does not work with "module" mode at present.
18*cc02d7e2SAndroid Build Coastguard Worker# elseif(gRPC_OPENTELEMETRY_PROVIDER STREQUAL "module")
19*cc02d7e2SAndroid Build Coastguard Worker#  if(NOT OPENTELEMETRY_ROOT_DIR)
20*cc02d7e2SAndroid Build Coastguard Worker#    set(OPENTELEMETRY_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/third_party/opentelemetry-cpp)
21*cc02d7e2SAndroid Build Coastguard Worker#  endif()
22*cc02d7e2SAndroid Build Coastguard Worker#  set(BUILD_TESTING OFF)
23*cc02d7e2SAndroid Build Coastguard Worker#  if(NOT gRPC_BUILD_TESTS)
24*cc02d7e2SAndroid Build Coastguard Worker#    set(WITH_API_ONLY ON)
25*cc02d7e2SAndroid Build Coastguard Worker#  endif()
26*cc02d7e2SAndroid Build Coastguard Worker#  set(WITH_ABSEIL ON)
27*cc02d7e2SAndroid Build Coastguard Worker#  include_directories(${OPENTELEMETRY_ROOT_DIR} "${OPENTELEMETRY_ROOT_DIR}/api/include")
28*cc02d7e2SAndroid Build Coastguard Worker#  add_subdirectory(${OPENTELEMETRY_ROOT_DIR} third_party/opentelemetry-cpp)
29*cc02d7e2SAndroid Build Coastguard Worker#  if(EXISTS "${OPENTELEMETRY_ROOT_DIR}/CMakeLists.txt")
30*cc02d7e2SAndroid Build Coastguard Worker    # Unclear whether we should install OpenTelemetry along with gRPC
31*cc02d7e2SAndroid Build Coastguard Worker    # if(gRPC_INSTALL  AND _gRPC_INSTALL_SUPPORTED_FROM_MODULE)
32*cc02d7e2SAndroid Build Coastguard Worker    #  set(OPENTELEMETRY_INSTALL ON)
33*cc02d7e2SAndroid Build Coastguard Worker    # endif()
34*cc02d7e2SAndroid Build Coastguard Worker#  else()
35*cc02d7e2SAndroid Build Coastguard Worker#    message(WARNING "gRPC_OPENTELEMETRY_PROVIDER is \"module\" but OPENTELEMETRY_ROOT_DIR is wrong")
36*cc02d7e2SAndroid Build Coastguard Worker#  endif()
37*cc02d7e2SAndroid Build Coastguard Worker#  if(gRPC_INSTALL AND NOT _gRPC_INSTALL_SUPPORTED_FROM_MODULE)
38*cc02d7e2SAndroid Build Coastguard Worker#    message(WARNING "gRPC_INSTALL will be forced to FALSE because gRPC_OPENTELEMETRY_PROVIDER is \"module\" and CMake version (${CMAKE_VERSION}) is less than 3.13.")
39*cc02d7e2SAndroid Build Coastguard Worker#    set(gRPC_INSTALL FALSE)
40*cc02d7e2SAndroid Build Coastguard Worker#  endif()
41*cc02d7e2SAndroid Build Coastguard Workerelseif(gRPC_OPENTELEMETRY_PROVIDER STREQUAL "package")
42*cc02d7e2SAndroid Build Coastguard Worker  find_package(opentelemetry-cpp CONFIG REQUIRED)
43*cc02d7e2SAndroid Build Coastguard Workerendif()
44*cc02d7e2SAndroid Build Coastguard Workerset(_gRPC_FIND_OPENTELEMETRY "if(NOT TARGET opentelemetry-cpp::opentelemetry_api)\n  find_package(opentelemetry-cpp)\nendif()")
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