Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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31 lines
1.3 KiB
31 lines
1.3 KiB
if(TARGET absl::strings) |
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# If absl is included already, skip including it. |
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# (https://github.com/grpc/grpc/issues/29608) |
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elseif(protobuf_ABSL_PROVIDER STREQUAL "module") |
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if(NOT ABSL_ROOT_DIR) |
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set(ABSL_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/third_party/abseil-cpp) |
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endif() |
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if(EXISTS "${ABSL_ROOT_DIR}/CMakeLists.txt") |
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if(protobuf_INSTALL) |
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# When protobuf_INSTALL is enabled and Abseil will be built as a module, |
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# Abseil will be installed along with protobuf for convenience. |
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set(ABSL_ENABLE_INSTALL ON) |
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endif() |
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add_subdirectory(${ABSL_ROOT_DIR} third_party/abseil-cpp) |
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else() |
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message(WARNING "protobuf_ABSL_PROVIDER is \"module\" but ABSL_ROOT_DIR is wrong") |
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endif() |
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if(protobuf_INSTALL AND NOT _protobuf_INSTALL_SUPPORTED_FROM_MODULE) |
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message(WARNING "protobuf_INSTALL will be forced to FALSE because protobuf_ABSL_PROVIDER is \"module\" and CMake version (${CMAKE_VERSION}) is less than 3.13.") |
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set(protobuf_INSTALL FALSE) |
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endif() |
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elseif(protobuf_ABSL_PROVIDER STREQUAL "package") |
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# Use "CONFIG" as there is no built-in cmake module for absl. |
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find_package(absl REQUIRED CONFIG) |
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endif() |
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set(_protobuf_FIND_ABSL "if(NOT TARGET absl::strings)\n find_package(absl CONFIG)\nendif()") |
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set(protobuf_ABSL_USED_TARGETS |
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absl::strings |
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absl::strings_internal |
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)
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