You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
96 lines
4.3 KiB
96 lines
4.3 KiB
# Copyright 2017 gRPC authors.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
if(gRPC_PROTOBUF_PROVIDER STREQUAL "module")
|
|
# Building the protobuf tests require gmock what is not part of a standard protobuf checkout.
|
|
# Disable them unless they are explicitly requested from the cmake command line (when we assume
|
|
# gmock is downloaded to the right location inside protobuf).
|
|
if(NOT protobuf_BUILD_TESTS)
|
|
set(protobuf_BUILD_TESTS OFF CACHE BOOL "Build protobuf tests")
|
|
endif()
|
|
# Disable building protobuf with zlib. Building protobuf with zlib breaks
|
|
# the build if zlib is not installed on the system.
|
|
if(NOT protobuf_WITH_ZLIB)
|
|
set(protobuf_WITH_ZLIB OFF CACHE BOOL "Build protobuf with zlib.")
|
|
endif()
|
|
if(NOT PROTOBUF_ROOT_DIR)
|
|
set(PROTOBUF_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/third_party/protobuf)
|
|
endif()
|
|
|
|
if(EXISTS "${PROTOBUF_ROOT_DIR}/cmake/CMakeLists.txt")
|
|
set(protobuf_MSVC_STATIC_RUNTIME OFF CACHE BOOL "Link static runtime libraries")
|
|
add_subdirectory(${PROTOBUF_ROOT_DIR}/cmake third_party/protobuf)
|
|
if(TARGET ${_gRPC_PROTOBUF_LIBRARY_NAME})
|
|
set(_gRPC_PROTOBUF_LIBRARIES ${_gRPC_PROTOBUF_LIBRARY_NAME})
|
|
endif()
|
|
if(TARGET libprotoc)
|
|
set(_gRPC_PROTOBUF_PROTOC_LIBRARIES libprotoc)
|
|
endif()
|
|
if(TARGET protoc)
|
|
set(_gRPC_PROTOBUF_PROTOC protoc)
|
|
if(CMAKE_CROSSCOMPILING)
|
|
find_program(_gRPC_PROTOBUF_PROTOC_EXECUTABLE protoc)
|
|
else()
|
|
set(_gRPC_PROTOBUF_PROTOC_EXECUTABLE $<TARGET_FILE:protoc>)
|
|
endif()
|
|
endif()
|
|
# For well-known .proto files distributed with protobuf
|
|
set(_gRPC_PROTOBUF_WELLKNOWN_INCLUDE_DIR "${PROTOBUF_ROOT_DIR}/src")
|
|
else()
|
|
message(WARNING "gRPC_PROTOBUF_PROVIDER is \"module\" but PROTOBUF_ROOT_DIR is wrong")
|
|
endif()
|
|
if(gRPC_INSTALL AND NOT _gRPC_INSTALL_SUPPORTED_FROM_MODULE)
|
|
message(WARNING "gRPC_INSTALL will be forced to FALSE because gRPC_PROTOBUF_PROVIDER is \"module\" and CMake version (${CMAKE_VERSION}) is less than 3.13.")
|
|
set(gRPC_INSTALL FALSE)
|
|
endif()
|
|
elseif(gRPC_PROTOBUF_PROVIDER STREQUAL "package")
|
|
find_package(Protobuf REQUIRED ${gRPC_PROTOBUF_PACKAGE_TYPE})
|
|
|
|
# {Protobuf,PROTOBUF}_FOUND is defined based on find_package type ("MODULE" vs "CONFIG").
|
|
# For "MODULE", the case has also changed between cmake 3.5 and 3.6.
|
|
# We use the legacy uppercase version for *_LIBRARIES AND *_INCLUDE_DIRS variables
|
|
# as newer cmake versions provide them too for backward compatibility.
|
|
if(Protobuf_FOUND OR PROTOBUF_FOUND)
|
|
if(TARGET protobuf::${_gRPC_PROTOBUF_LIBRARY_NAME})
|
|
set(_gRPC_PROTOBUF_LIBRARIES protobuf::${_gRPC_PROTOBUF_LIBRARY_NAME})
|
|
else()
|
|
set(_gRPC_PROTOBUF_LIBRARIES ${PROTOBUF_LIBRARIES})
|
|
endif()
|
|
if(TARGET protobuf::libprotoc)
|
|
set(_gRPC_PROTOBUF_PROTOC_LIBRARIES protobuf::libprotoc)
|
|
# extract the include dir from target's properties
|
|
get_target_property(_gRPC_PROTOBUF_WELLKNOWN_INCLUDE_DIR protobuf::libprotoc INTERFACE_INCLUDE_DIRECTORIES)
|
|
else()
|
|
set(_gRPC_PROTOBUF_PROTOC_LIBRARIES ${PROTOBUF_PROTOC_LIBRARIES})
|
|
set(_gRPC_PROTOBUF_WELLKNOWN_INCLUDE_DIR ${PROTOBUF_INCLUDE_DIRS})
|
|
endif()
|
|
if(TARGET protobuf::protoc)
|
|
set(_gRPC_PROTOBUF_PROTOC protobuf::protoc)
|
|
if(CMAKE_CROSSCOMPILING)
|
|
find_program(_gRPC_PROTOBUF_PROTOC_EXECUTABLE protoc)
|
|
else()
|
|
set(_gRPC_PROTOBUF_PROTOC_EXECUTABLE $<TARGET_FILE:protobuf::protoc>)
|
|
endif()
|
|
else()
|
|
set(_gRPC_PROTOBUF_PROTOC ${PROTOBUF_PROTOC_EXECUTABLE})
|
|
if(CMAKE_CROSSCOMPILING)
|
|
find_program(_gRPC_PROTOBUF_PROTOC_EXECUTABLE protoc)
|
|
else()
|
|
set(_gRPC_PROTOBUF_PROTOC_EXECUTABLE ${PROTOBUF_PROTOC_EXECUTABLE})
|
|
endif()
|
|
endif()
|
|
set(_gRPC_FIND_PROTOBUF "if(NOT Protobuf_FOUND AND NOT PROTOBUF_FOUND)\n find_package(Protobuf ${gRPC_PROTOBUF_PACKAGE_TYPE})\nendif()")
|
|
endif()
|
|
endif()
|