[jira] [Created] (ARROW-14793) [C++] FindArrowDataset requires Parquet

["Antoine Pitrou (Jira)" <ji...@apache.org>]

Antoine Pitrou created ARROW-14793:
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             Summary: [C++] FindArrowDataset requires Parquet
                 Key: ARROW-14793
                 URL: https://issues.apache.org/jira/browse/ARROW-14793
             Project: Apache Arrow
          Issue Type: Bug
          Components: C++, Developer Tools
            Reporter: Antoine Pitrou


Parquet is an optional dependency of the dataset layer, but it appears that {{FindArrowDataset.cmake}} requires Parquet unconditionally.

Example:
https://app.travis-ci.com/github/apache/arrow/jobs/548648734#L3513

{code}
  Could NOT find Parquet (missing: PARQUET_INCLUDE_DIR PARQUET_LIB_DIR

  PARQUET_SO_VERSION)

Call Stack (most recent call first):

  /usr/share/cmake-3.16/Modules/FindPackageHandleStandardArgs.cmake:393 (_FPHSA_FAILURE_MESSAGE)

  cmake_modules/FindParquet.cmake:115 (find_package_handle_standard_args)

  cmake_modules/FindArrowDataset.cmake:47 (find_package)

  CMakeLists.txt:432 (find_package)
{code}



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