| # 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() |