blob: 974b0a436e25fa26b92dbcb08634ddf697ec671d [file] [log] [blame]
# 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.
# The CMakeLists.txt for re2 doesn't propagate include directories
# transitively so `_gRPC_RE2_INCLUDE_DIR` should be set for gRPC
# to find header files.
if(gRPC_RE2_PROVIDER STREQUAL "module")
if(NOT RE2_ROOT_DIR)
set(RE2_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/third_party/re2)
endif()
if(EXISTS "${RE2_ROOT_DIR}/CMakeLists.txt")
# Explicitly disable BUILD_TESTING to avoid re2's CMakeLists.txt triggering https://github.com/grpc/grpc/issues/23586
option(BUILD_TESTING "re2.cmake explicitly disabled CTest's BUILD_TESTING option." OFF)
include_directories("${RE2_ROOT_DIR}")
add_subdirectory(${RE2_ROOT_DIR} third_party/re2)
if(TARGET re2)
set(_gRPC_RE2_LIBRARIES re2)
set(_gRPC_RE2_INCLUDE_DIR "${RE2_ROOT_DIR}" "${CMAKE_CURRENT_BINARY_DIR}/third_party/re2")
if(gRPC_INSTALL AND _gRPC_INSTALL_SUPPORTED_FROM_MODULE)
install(TARGETS re2 EXPORT gRPCTargets
RUNTIME DESTINATION ${gRPC_INSTALL_BINDIR}
LIBRARY DESTINATION ${gRPC_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${gRPC_INSTALL_LIBDIR})
endif()
endif()
else()
message(WARNING "gRPC_RE2_PROVIDER is \"module\" but RE2_ROOT_DIR(${RE2_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_RE2_PROVIDER is \"module\" and CMake version (${CMAKE_VERSION}) is less than 3.13.")
set(gRPC_INSTALL FALSE)
endif()
elseif(gRPC_RE2_PROVIDER STREQUAL "package")
find_package(re2 REQUIRED)
if(TARGET re2::re2)
set(_gRPC_RE2_LIBRARIES re2::re2)
endif()
set(_gRPC_FIND_RE2 "if(NOT re2_FOUND)\n find_package(re2)\nendif()")
endif()