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FindProtobuf: Do not verify protoc version if it is not found

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This commit is contained in:
Diego Pino Garcia 2019-12-09 10:02:25 +01:00 committed by Brad King
parent 2d53894c31
commit db0b740fd8
1 changed files with 14 additions and 12 deletions
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26
Modules/FindProtobuf.cmake
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@ -482,22 +482,24 @@ if(Protobuf_INCLUDE_DIR)
"${_PROTOBUF_COMMON_HEADER} reveals protobuf ${Protobuf_VERSION}")
endif()
# Check Protobuf compiler version to be aligned with libraries version
execute_process(COMMAND ${Protobuf_PROTOC_EXECUTABLE} --version
OUTPUT_VARIABLE _PROTOBUF_PROTOC_EXECUTABLE_VERSION)
if(Protobuf_PROTOC_EXECUTABLE)
# Check Protobuf compiler version to be aligned with libraries version
execute_process(COMMAND ${Protobuf_PROTOC_EXECUTABLE} --version
OUTPUT_VARIABLE _PROTOBUF_PROTOC_EXECUTABLE_VERSION)
if("${_PROTOBUF_PROTOC_EXECUTABLE_VERSION}" MATCHES "libprotoc ([0-9.]+)")
set(_PROTOBUF_PROTOC_EXECUTABLE_VERSION "${CMAKE_MATCH_1}")
endif()
if("${_PROTOBUF_PROTOC_EXECUTABLE_VERSION}" MATCHES "libprotoc ([0-9.]+)")
set(_PROTOBUF_PROTOC_EXECUTABLE_VERSION "${CMAKE_MATCH_1}")
endif()
if(Protobuf_DEBUG)
message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
"${Protobuf_PROTOC_EXECUTABLE} reveals version ${_PROTOBUF_PROTOC_EXECUTABLE_VERSION}")
endif()
if(Protobuf_DEBUG)
message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
"${Protobuf_PROTOC_EXECUTABLE} reveals version ${_PROTOBUF_PROTOC_EXECUTABLE_VERSION}")
endif()
if(NOT "${_PROTOBUF_PROTOC_EXECUTABLE_VERSION}" VERSION_EQUAL "${Protobuf_VERSION}")
if(NOT "${_PROTOBUF_PROTOC_EXECUTABLE_VERSION}" VERSION_EQUAL "${Protobuf_VERSION}")
message(WARNING "Protobuf compiler version ${_PROTOBUF_PROTOC_EXECUTABLE_VERSION}"
" doesn't match library version ${Protobuf_VERSION}")
" doesn't match library version ${Protobuf_VERSION}")
endif()
endif()
if(Protobuf_LIBRARY)