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https://issues.apache.org/jira/browse/ARROW-6886?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16953183#comment-16953183
]
Paul Taylor commented on ARROW-6886:
------------------------------------
[~apitrou] Yeah this warning is benign, but the team is moving towards a
zero-tolerance policy for compilation warnings. I'm looking into a fix now,
hopefully can have a PR ready in time for 0.15.1.
These headers are included by some of our cuda files, so here's the full
command as generated by cmake:
{noformat}
/usr/local/cuda-10.0/bin/nvcc
-DARROW_METADATA_V4
-Dcudf_EXPORTS
-Igoogletest/install/include
-Iinclude
-I../include
-I../src
-I../thirdparty/cub
-I../thirdparty/jitify
-I../thirdparty/libcudacxx/include
-Iarrow/install/include
-Iarrow/build/flatbuffers_ep-prefix/src/flatbuffers_ep-install/include
-I/home/ptaylor/dev/rapids/compose/etc/conda/envs/rapids/include
-gencode arch=compute_75,code=sm_75
-gencode arch=compute_75,code=compute_75
--expt-extended-lambda
--expt-relaxed-constexpr
-Werror cross-execution-space-call
-Xcompiler
-Wall,-Werror
--define-macro HT_LEGACY_ALLOCATOR
-O3
-DNDEBUG
-Xcompiler=-fPIC
-DJITIFY_USE_CACHE
-DCUDF_VERSION=0.11.0
-std=c++14
-x cu
-x cuda
-c /home/ptaylor/dev/rapids/cudf/cpp/src/io/avro/avro_reader_impl.cu
-o CMakeFiles/cudf.dir/src/io/avro/avro_reader_impl.cu.o &&
/usr/local/cuda-10.0/bin/nvcc
-DARROW_METADATA_V4
-Dcudf_EXPORTS
-Igoogletest/install/include
-Iinclude
-I../include
-I../src
-I../thirdparty/cub
-I../thirdparty/jitify
-I../thirdparty/libcudacxx/include
-Iarrow/install/include
-Iarrow/build/flatbuffers_ep-prefix/src/flatbuffers_ep-install/include
-I/home/ptaylor/dev/rapids/compose/etc/conda/envs/rapids/include
-gencode arch=compute_75,code=sm_75
-gencode arch=compute_75,code=compute_75
--expt-extended-lambda
--expt-relaxed-constexpr
-Werror cross-execution-space-call
-Xcompiler
-Wall,-Werror
--define-macro HT_LEGACY_ALLOCATOR
-O3
-DNDEBUG
-Xcompiler=-fPIC
-DJITIFY_USE_CACHE
-DCUDF_VERSION=0.11.0
-std=c++14
-x cu
-x cuda
-M /home/ptaylor/dev/rapids/cudf/cpp/src/io/avro/avro_reader_impl.cu
-MT CMakeFiles/cudf.dir/src/io/avro/avro_reader_impl.cu.o
-o $DEP_FILE
{noformat}
> [C++] arrow::io header nvcc compiler warnings
> ---------------------------------------------
>
> Key: ARROW-6886
> URL: https://issues.apache.org/jira/browse/ARROW-6886
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++
> Affects Versions: 0.15.0
> Reporter: Paul Taylor
> Priority: Trivial
>
> Seeing the following compiler warnings statically linking the arrow::io
> headers with nvcc:
> {noformat}
> arrow/install/include/arrow/io/file.h(189): warning: overloaded virtual
> function "arrow::io::Writable::Write" is only partially overridden in class
> "arrow::io::MemoryMappedFile"
> arrow/install/include/arrow/io/memory.h(98): warning: overloaded virtual
> function "arrow::io::Writable::Write" is only partially overridden in class
> "arrow::io::MockOutputStream"
> arrow/install/include/arrow/io/memory.h(116): warning: overloaded virtual
> function "arrow::io::Writable::Write" is only partially overridden in class
> "arrow::io::FixedSizeBufferWriter"
> arrow/install/include/arrow/io/file.h(189): warning: overloaded virtual
> function "arrow::io::Writable::Write" is only partially overridden in class
> "arrow::io::MemoryMappedFile"
> arrow/install/include/arrow/io/memory.h(98): warning: overloaded virtual
> function "arrow::io::Writable::Write" is only partially overridden in class
> "arrow::io::MockOutputStream"
> arrow/install/include/arrow/io/memory.h(116): warning: overloaded virtual
> function "arrow::io::Writable::Write" is only partially overridden in class
> "arrow::io::FixedSizeBufferWriter"
> arrow/install/include/arrow/io/file.h(189): warning: overloaded virtual
> function "arrow::io::Writable::Write" is only partially overridden in class
> "arrow::io::MemoryMappedFile"
> arrow/install/include/arrow/io/memory.h(98): warning: overloaded virtual
> function "arrow::io::Writable::Write" is only partially overridden in class
> "arrow::io::MockOutputStream"
> arrow/install/include/arrow/io/memory.h(116): warning: overloaded virtual
> function "arrow::io::Writable::Write" is only partially overridden in class
> "arrow::io::FixedSizeBufferWriter"
> {noformat}
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