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https://issues.apache.org/jira/browse/ARROW-7604?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Wes McKinney closed ARROW-7604.
-------------------------------
Resolution: Won't Fix
> [C++] Avoid duplicate object file names
> ----------------------------------------
>
> Key: ARROW-7604
> URL: https://issues.apache.org/jira/browse/ARROW-7604
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Wes McKinney
> Priority: Major
>
> It seems that some linking tools (e.g. libtool Apple Inc. version
> cctools-949.0.1) will emit warnings of the following
> ```
> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool:
> warning same member name (options.cc.o) in output file used for input files:
> /Users/wesm/code/arrow/cpp/build/debug/libarrow_unbundled.a(options.cc.o)
> and:
> /Users/wesm/code/arrow/cpp/build/debug/libarrow_unbundled.a(options.cc.o) due
> to use of basename, truncation and blank padding
> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool:
> warning same member name (options.cc.o) in output file used for input files:
> /Users/wesm/code/arrow/cpp/build/debug/libarrow_unbundled.a(options.cc.o)
> and:
> /Users/wesm/code/arrow/cpp/build/debug/libarrow_unbundled.a(options.cc.o) due
> to use of basename, truncation and blank padding
> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool:
> warning same member name (parser.cc.o) in output file used for input files:
> /Users/wesm/code/arrow/cpp/build/debug/libarrow_unbundled.a(parser.cc.o) and:
> /Users/wesm/code/arrow/cpp/build/debug/libarrow_unbundled.a(parser.cc.o) due
> to use of basename, truncation and blank padding
> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool:
> warning same member name (reader.cc.o) in output file used for input files:
> /Users/wesm/code/arrow/cpp/build/debug/libarrow_unbundled.a(reader.cc.o) and:
> /Users/wesm/code/arrow/cpp/build/debug/libarrow_unbundled.a(reader.cc.o) due
> to use of basename, truncation and blank padding
> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool:
> warning same member name (reader.cc.o) in output file used for input files:
> /Users/wesm/code/arrow/cpp/build/debug/libarrow_unbundled.a(reader.cc.o) and:
> /Users/wesm/code/arrow/cpp/build/debug/libarrow_unbundled.a(reader.cc.o) due
> to use of basename, truncation and blank padding
> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool:
> warning same member name (util_internal.cc.o) in output file used for input
> files:
> /Users/wesm/code/arrow/cpp/build/debug/libarrow_unbundled.a(util_internal.cc.o)
> and:
> /Users/wesm/code/arrow/cpp/build/debug/libarrow_unbundled.a(util_internal.cc.o)
> due to use of basename, truncation and blank padding
> ```
> I found some Chromium bug reports seemingly related to the same issue
> https://codereview.chromium.org/955263002
> I don't know whether this problem is benign or not, but it suggests that we
> might want to avoid duplicated {{$NAME.cc.o}} names to be on the safe side
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