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Posted to issues@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2017/07/24 02:39:00 UTC
[jira] [Commented] (ARROW-1248) [Python] C linkage warnings in
Clang with public Cython API
[ https://issues.apache.org/jira/browse/ARROW-1248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16097889#comment-16097889 ]
Wes McKinney commented on ARROW-1248:
-------------------------------------
[~xhochy] it seems like we might just disable this warning, some other projects have done similarly: https://bugs.webkit.org/show_bug.cgi?id=107845, since we won't be calling these functions from C
> [Python] C linkage warnings in Clang with public Cython API
> -----------------------------------------------------------
>
> Key: ARROW-1248
> URL: https://issues.apache.org/jira/browse/ARROW-1248
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Reporter: Wes McKinney
> Fix For: 0.6.0
>
>
> {code}
> /home/wesm/code/arrow/python/build/temp.linux-x86_64-3.5/lib.cxx:4327:60: warning: 'pyarrow_unwrap_buffer' has C-linkage specified, but returns user-defined type 'std::shared_ptr<arrow::Buffer>' which is incompatible with C [-Wreturn-type-c-linkage]
> __PYX_EXTERN_C DL_EXPORT(std::shared_ptr< arrow::Buffer> ) pyarrow_unwrap_buffer(PyObject *); /*proto*/
> ^
> /home/wesm/code/arrow/python/build/temp.linux-x86_64-3.5/lib.cxx:4329:62: warning: 'pyarrow_unwrap_data_type' has C-linkage specified, but returns user-defined type 'std::shared_ptr<arrow::DataType>' which is incompatible with C [-Wreturn-type-c-linkage]
> __PYX_EXTERN_C DL_EXPORT(std::shared_ptr< arrow::DataType> ) pyarrow_unwrap_data_type(PyObject *); /*proto*/
> ^
> /home/wesm/code/arrow/python/build/temp.linux-x86_64-3.5/lib.cxx:4331:59: warning: 'pyarrow_unwrap_field' has C-linkage specified, but returns user-defined type 'std::shared_ptr<arrow::Field>' which is incompatible with C [-Wreturn-type-c-linkage]
> __PYX_EXTERN_C DL_EXPORT(std::shared_ptr< arrow::Field> ) pyarrow_unwrap_field(PyObject *); /*proto*/
> ^
> /home/wesm/code/arrow/python/build/temp.linux-x86_64-3.5/lib.cxx:4333:60: warning: 'pyarrow_unwrap_schema' has C-linkage specified, but returns user-defined type 'std::shared_ptr<arrow::Schema>' which is incompatible with C [-Wreturn-type-c-linkage]
> __PYX_EXTERN_C DL_EXPORT(std::shared_ptr< arrow::Schema> ) pyarrow_unwrap_schema(PyObject *); /*proto*/
> ^
> /home/wesm/code/arrow/python/build/temp.linux-x86_64-3.5/lib.cxx:4335:59: warning: 'pyarrow_unwrap_array' has C-linkage specified, but returns user-defined type 'std::shared_ptr<arrow::Array>' which is incompatible with C [-Wreturn-type-c-linkage]
> __PYX_EXTERN_C DL_EXPORT(std::shared_ptr< arrow::Array> ) pyarrow_unwrap_array(PyObject *); /*proto*/
> ^
> /home/wesm/code/arrow/python/build/temp.linux-x86_64-3.5/lib.cxx:4338:60: warning: 'pyarrow_unwrap_tensor' has C-linkage specified, but returns user-defined type 'std::shared_ptr<arrow::Tensor>' which is incompatible with C [-Wreturn-type-c-linkage]
> __PYX_EXTERN_C DL_EXPORT(std::shared_ptr< arrow::Tensor> ) pyarrow_unwrap_tensor(PyObject *); /*proto*/
> ^
> /home/wesm/code/arrow/python/build/temp.linux-x86_64-3.5/lib.cxx:4340:60: warning: 'pyarrow_unwrap_column' has C-linkage specified, but returns user-defined type 'std::shared_ptr<arrow::Column>' which is incompatible with C [-Wreturn-type-c-linkage]
> __PYX_EXTERN_C DL_EXPORT(std::shared_ptr< arrow::Column> ) pyarrow_unwrap_column(PyObject *); /*proto*/
> ^
> /home/wesm/code/arrow/python/build/temp.linux-x86_64-3.5/lib.cxx:4342:59: warning: 'pyarrow_unwrap_table' has C-linkage specified, but returns user-defined type 'std::shared_ptr<arrow::Table>' which is incompatible with C [-Wreturn-type-c-linkage]
> __PYX_EXTERN_C DL_EXPORT(std::shared_ptr< arrow::Table> ) pyarrow_unwrap_table(PyObject *); /*proto*/
> ^
> /home/wesm/code/arrow/python/build/temp.linux-x86_64-3.5/lib.cxx:4344:65: warning: 'pyarrow_unwrap_batch' has C-linkage specified, but returns user-defined type 'std::shared_ptr<arrow::RecordBatch>' which is incompatible with C [-Wreturn-type-c-linkage]
> __PYX_EXTERN_C DL_EXPORT(std::shared_ptr< arrow::RecordBatch> ) pyarrow_unwrap_batch(PyObject *); /*proto*/
> {code}
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