Jeroen created ARROW-7049: ----------------------------- Summary: warnings building on mingw-w64 Key: ARROW-7049 URL: https://issues.apache.org/jira/browse/ARROW-7049 Project: Apache Arrow Issue Type: Bug Components: C++ Affects Versions: 0.15.1 Reporter: Jeroen
Two warnings when building libarrow 0.15.1 on mingw-w64: {code} [ 2%] Running thrift compiler on parquet.thrift [WARNING:C:/msys64/home/mingw-packages/mingw-w64-arrow/src/apache-arrow-0.15.1/cpp/src/parquet/parquet.thrift:297] The "byte" type is a compatibility alias for "i8". Use "i8" to emphasize the signedness of this type. {code} And later: {code} 81%] Building CXX object src/parquet/CMakeFiles/parquet_static.dir/column_reader.cc.obj C:/msys64/home/mingw-packages/mingw-w64-arrow/src/apache-arrow-0.15.1/cpp/src/parquet/arrow/writer.cc: In member function 'virtual arrow::Status parquet::arrow::FileWriterImpl::WriteColumnChunk(const std::shared_ptr<arrow::ChunkedArray>&, int64_t, int64_t)': C:/msys64/home/mingw-packages/mingw-w64-arrow/src/apache-arrow-0.15.1/cpp/src/parquet/arrow/writer.cc:79:41: warning: 'schema_field' may be used uninitialized in this function [-Wmaybe-uninitialized] schema_manifest_(schema_manifest) {} ^ C:/msys64/home/mingw-packages/mingw-w64-arrow/src/apache-arrow-0.15.1/cpp/src/parquet/arrow/writer.cc:466:24: note: 'schema_field' was declared here const SchemaField* schema_field; {code} -- This message was sent by Atlassian Jira (v8.3.4#803005)