1 # Copyright 2017 gRPC authors. 2 # 3 # Licensed under the Apache License, Version 2.0 (the "License"); 4 # you may not use this file except in compliance with the License. 5 # You may obtain a copy of the License at 6 # 7 # http://www.apache.org/licenses/LICENSE-2.0 8 # 9 # Unless required by applicable law or agreed to in writing, software 10 # distributed under the License is distributed on an "AS IS" BASIS, 11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 # See the License for the specific language governing permissions and 13 # limitations under the License. 14 15 if("${gRPC_GFLAGS_PROVIDER}" STREQUAL "module") 16 if(NOT GFLAGS_ROOT_DIR) 17 set(GFLAGS_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/third_party/gflags) 18 endif() 19 if(EXISTS "${GFLAGS_ROOT_DIR}/CMakeLists.txt") 20 add_subdirectory(${GFLAGS_ROOT_DIR} third_party/gflags) 21 if(TARGET gflags_static) 22 set(_gRPC_GFLAGS_LIBRARIES gflags_static) 23 set(_gRPC_GFLAGS_INCLUDE_DIR "${CMAKE_CURRENT_BINARY_DIR}/third_party/gflags/include") 24 endif() 25 else() 26 message(WARNING "gRPC_GFLAGS_PROVIDER is \"module\" but GFLAGS_ROOT_DIR is wrong") 27 endif() 28 elseif("${gRPC_GFLAGS_PROVIDER}" STREQUAL "package") 29 # Use "CONFIG" as there is no built-in cmake module for gflags. 30 find_package(gflags REQUIRED CONFIG) 31 if(TARGET gflags) 32 set(_gRPC_GFLAGS_LIBRARIES gflags) 33 set(_gRPC_GFLAGS_INCLUDE_DIR ${GFLAGS_INCLUDE_DIR}) 34 endif() 35 set(_gRPC_FIND_GFLAGS "if(NOT gflags_FOUND)\n find_package(gflags CONFIG)\nendif()") 36 endif() 37
