Re: [I] [C++] Building Arrow via FetchContent can fail with versions older than CMake 3.30 [arrow]

["raulcd (via GitHub)" <gi...@apache.org>]

raulcd commented on issue #53995:
URL: https://github.com/apache/arrow/issues/53995#issuecomment-6220665405

   @kou what do you think about this, the patch I apply there seems to fix the issues:
   ```diff
   --- a/cpp/cmake_modules/ThirdpartyToolchain.cmake
   +++ b/cpp/cmake_modules/ThirdpartyToolchain.cmake
   @@ -365,7 +365,7 @@
    # ----------------------------------------------------------------------
    # Thirdparty versions, environment variables, source URLs
   
   -set(THIRDPARTY_DIR "${arrow_SOURCE_DIR}/thirdparty")
   +set(THIRDPARTY_DIR "${ARROW_SOURCE_DIR}/thirdparty")
   
    add_library(arrow::flatbuffers INTERFACE IMPORTED)
    target_include_directories(arrow::flatbuffers
   ```


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