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# Copyright 2017 gRPC authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set(gRPC_GFLAGS_PROVIDER "module" CACHE STRING "portability fix")
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if("${gRPC_GFLAGS_PROVIDER}" STREQUAL "module")
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if(NOT GFLAGS_ROOT_DIR)
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set(GFLAGS_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/third_party/gflags)
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endif()
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if(EXISTS "${GFLAGS_ROOT_DIR}/CMakeLists.txt")
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add_subdirectory(${GFLAGS_ROOT_DIR} third_party/gflags)
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if(TARGET gflags_static)
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set(_gRPC_GFLAGS_LIBRARIES gflags_static)
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set(_gRPC_GFLAGS_INCLUDE_DIR "${CMAKE_CURRENT_BINARY_DIR}/third_party/gflags/include")
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endif()
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else()
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message(WARNING "gRPC_GFLAGS_PROVIDER is \"module\" but GFLAGS_ROOT_DIR is wrong")
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endif()
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elseif("${gRPC_GFLAGS_PROVIDER}" STREQUAL "package")
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# Use "CONFIG" as there is no built-in cmake module for gflags.
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find_package(gflags REQUIRED CONFIG)
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if(TARGET gflags)
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set(_gRPC_GFLAGS_LIBRARIES gflags)
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set(_gRPC_GFLAGS_INCLUDE_DIR ${GFLAGS_INCLUDE_DIR})
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endif()
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set(_gRPC_FIND_GFLAGS "if(NOT gflags_FOUND)\n find_package(gflags CONFIG)\nendif()")
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endif()
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