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# Copyright The OpenTelemetry Authors
# SPDX-License-Identifier: Apache-2.0
# Import gRPC targets (gRPC::grpc++ and gRPC::grpc_cpp_plugin).
# 1. Find an installed gRPC package
# 2. Use FetchContent to fetch and build gRPC (and its submodules) from GitHub
# Including the CMakeFindDependencyMacro resolves an error from
# gRPCConfig.cmake on some grpc versions. See
# https://github.com/grpc/grpc/pull/33361 for more details.
include(CMakeFindDependencyMacro)
find_package(gRPC CONFIG QUIET)
set(gRPC_PROVIDER "find_package")
if(NOT gRPC_FOUND)
FetchContent_Declare(
"grpc"
GIT_REPOSITORY "https://github.com/grpc/grpc.git"
GIT_TAG "${grpc_GIT_TAG}"
GIT_SUBMODULES
"third_party/re2"
"third_party/abseil-cpp"
"third_party/protobuf"
"third_party/cares/cares"
"third_party/boringssl-with-bazel"
)
set(gRPC_PROVIDER "fetch_repository")
set(gRPC_INSTALL ${OPENTELEMETRY_INSTALL} CACHE BOOL "" FORCE)
set(gRPC_BUILD_TESTS OFF CACHE BOOL "" FORCE)
set(gRPC_BUILD_GRPC_CPP_PLUGIN ON CACHE BOOL "" FORCE)
set(gRPC_BUILD_GRPC_CSHARP_PLUGIN OFF CACHE BOOL "" FORCE)
set(gRPC_BUILD_GRPC_OBJECTIVE_C_PLUGIN OFF CACHE BOOL "" FORCE)
set(gRPC_BUILD_GRPC_PHP_PLUGIN OFF CACHE BOOL "" FORCE)
set(gRPC_BUILD_GRPC_NODE_PLUGIN OFF CACHE BOOL "" FORCE)
set(gRPC_BUILD_GRPC_PYTHON_PLUGIN OFF CACHE BOOL "" FORCE)
set(gRPC_BUILD_GRPC_RUBY_PLUGIN OFF CACHE BOOL "" FORCE)
set(gRPC_BUILD_GRPCPP_OTEL_PLUGIN OFF CACHE BOOL "" FORCE)
set(gRPC_ZLIB_PROVIDER "package" CACHE STRING "" FORCE)
set(gRPC_RE2_PROVIDER "module" CACHE STRING "" FORCE)
set(RE2_BUILD_TESTING OFF CACHE BOOL "" FORCE)
set(gRPC_PROTOBUF_PROVIDER "module" CACHE STRING "" FORCE)
set(gRPC_PROTOBUF_PACKAGE_TYPE "CONFIG" CACHE STRING "" FORCE)
set(gRPC_ABSL_PROVIDER "module" CACHE STRING "" FORCE)
set(gRPC_CARES_PROVIDER "module" CACHE STRING "" FORCE)
FetchContent_MakeAvailable(grpc)
# Set the gRPC_VERSION variable from the git tag.
string(REGEX REPLACE "^v([0-9]+\\.[0-9]+\\.[0-9]+)$" "\\1" gRPC_VERSION "${grpc_GIT_TAG}")
#Disable iwyu and clang-tidy
foreach(_grpc_target grpc++ grpc_cpp_plugin)
if(TARGET ${_grpc_target})
set_target_properties(${_grpc_target} PROPERTIES POSITION_INDEPENDENT_CODE ON CXX_INCLUDE_WHAT_YOU_USE ""
CXX_CLANG_TIDY "")
endif()
endforeach()
if(TARGET grpc++ AND NOT TARGET gRPC::grpc++)
add_library(gRPC::grpc++ ALIAS grpc++)
endif()
if(TARGET grpc_cpp_plugin AND NOT TARGET gRPC::grpc_cpp_plugin)
add_executable(gRPC::grpc_cpp_plugin ALIAS grpc_cpp_plugin)
endif()
endif()
if(NOT TARGET gRPC::grpc++)
message(FATAL_ERROR "A required gRPC target (gRPC::grpc++) was not imported")
endif()
if(CMAKE_CROSSCOMPILING)
find_program(gRPC_CPP_PLUGIN_EXECUTABLE grpc_cpp_plugin)
else()
if(NOT TARGET gRPC::grpc_cpp_plugin)
message(FATAL_ERROR "A required gRPC target (gRPC::grpc_cpp_plugin) was not imported")
endif()
set(gRPC_CPP_PLUGIN_EXECUTABLE "$<TARGET_FILE:gRPC::grpc_cpp_plugin>")
endif()
message(STATUS "gRPC_CPP_PLUGIN_EXECUTABLE=${gRPC_CPP_PLUGIN_EXECUTABLE}")
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