[jira] [Created] (ARROW-7370) [C++] Old Protobuf with AUTO detection is failed

["Kouhei Sutou (Jira)" <ji...@apache.org>]

Kouhei Sutou created ARROW-7370:
-----------------------------------

             Summary: [C++] Old Protobuf with AUTO detection is failed
                 Key: ARROW-7370
                 URL: https://issues.apache.org/jira/browse/ARROW-7370
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: Kouhei Sutou
            Assignee: Kouhei Sutou


{noformat}
-- Could NOT find Protobuf: Found unsuitable version "3.6.1", but required is at least "3.7.0" (found /usr/lib/x86_64-linux-gnu/libprotobuf.so;-pthread)
Building Protocol Buffers from source
CMake Error at cmake_modules/ThirdpartyToolchain.cmake:1179 (add_library):
  add_library cannot create imported target "protobuf::libprotobuf" because
  another target with the same name already exists.
Call Stack (most recent call first):
  cmake_modules/ThirdpartyToolchain.cmake:147 (build_protobuf)
  cmake_modules/ThirdpartyToolchain.cmake:178 (build_dependency)
  cmake_modules/ThirdpartyToolchain.cmake:1204 (resolve_dependency_with_version)
  CMakeLists.txt:428 (include)
{noformat}



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