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)
