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Re: C++ buildings and Regex issue


Hi,

You can't use system Boost on CentOS 6. Because system Boost
is old. It's better that you upgrade to CentOS 7.

Thanks,
--
kou

In <CALQ9KxCQu7qmCHMtmeSaDv4RaHCvm-+4ibe1Bt3j2X8RRWd0mA@xxxxxxxxxxxxxx>
  "Re: C++ buildings and Regex issue" on Tue, 11 Dec 2018 22:07:20 -0800,
  Rares Vernica <rvernica@xxxxxxxxx> wrote:

> Wes,
> 
> Thanks! We do plan to upgrade, as soon as we put down the fire. We noticed
> some API changes and we will have to get our code updated.
> 
> It looks like it is boost::regex. In our application we link dynamically
> against a locally compiled Boost. For Arrow we noticed this for CentOS
> https://github.com/apache/arrow-dist/blob/master/cpp-linux/yum/arrow.spec.in#L69
> 
> %if %{_centos_ver} == 6
> -DARROW_BOOST_VENDORED=ON \
> %endif
> 
> I tried replacing it with
> 
> -DARROW_BOOST_USE_SHARED=ON
> 
> but it does not look like it is going to build
> 
> /root/rpmbuild/BUILD/apache-arrow-0.9.0/cpp/src/arrow/io/hdfs-internal.cc:204:7:
> error: 'class boost::filesystem::basic_path<std::basic_string<char>,
> boost::filesystem::path_traits>' has no member named 'make_preferred'
>      i.make_preferred();
>        ^~~~~~~~~~~~~~
> /root/rpmbuild/BUILD/apache-arrow-0.9.0/cpp/src/arrow/io/hdfs-internal.cc:205:27:
> error: 'class boost::filesystem::basic_path<std::basic_string<char>,
> boost::filesystem::path_traits>' has no member named 'native'
>      out_handle = dlopen(i.native().c_str(), RTLD_NOW | RTLD_LOCAL);
> 
> I remember we had a similar conflict with ProtocolBuffers. In that case,
> changing Arrow to use the system provided version did the trick.
> 
> Thanks,
> Rares
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> On Tue, Dec 11, 2018 at 9:30 PM Wes McKinney <wesmckinn@xxxxxxxxx> wrote:
> 
>> hi,
>>
>> Could you clarify what you mean by "regex calls"? Are you talking
>> about boost::regex, std::regex, something else? How did you link the
>> relevant libraries in each part of your application, and in the Arrow
>> + Parquet libraries
>>
>> 0.9.0 is over 1000 patches ago. I'd recommend that you try to upgrade
>>
>> $ git hist apache-arrow-0.9.0..master | wc -l
>> 1540
>>
>> - Wes
>> On Tue, Dec 11, 2018 at 10:58 PM Rares Vernica <rvernica@xxxxxxxxx> wrote:
>> >
>> > Hello,
>> >
>> > We are using the C++ bindings of Arrow 0.9.0 on our system on CentOS.
>> Once
>> > we load the Arrow library, our regular regex calls (outside of Arrow)
>> > misbehave and trigger some unknown crashes. We are still trying to figure
>> > things out but I was wondering if there are any know issues regarding
>> regex
>> > and the C++ binding. Also, how can one turn on/off flags related to regex
>> > when compiling Arrow? We are still trying to isolate the crash.
>> >
>> > Thanks!
>> > Rares
>>