Re: [Boost-users] thread: linux fedora .so built file under c++98 does not provide start_thread() symbol

Subject: Re: [Boost-users] thread: linux fedora .so built file under c++98 does not provide start_thread() symbol
From: MM (finjulhich_at_[hidden])
Date: 2013-10-18 15:39:49

On 18 October 2013 20:04, Vicente J. Botet Escriba <vicente.botet_at_[hidden]
> wrote:

> Le 18/10/13 20:50, MM a écrit :
>
>  hello,
>>
>> I am compiling my code with g++4.8.1 under c++11 mode, however the
>> fedora's system provided boost thread lib has been compiled under c++98.
>>
>> Linking fails because of errors like:
>>
>> mainthread.cpp:(.text+0x2cf): undefined reference to
>> `boost::thread::start_thread()**'
>> mainthread.cpp:(.text+0xcc9): undefined reference to
>> `boost::thread::join()'
>>
>>
>> looking at the provided shared object,
>> nm -C -D /usr/lib64/libboost_thread-mt.**so.1.53.0 |grep start_thread
>>
>>
>> 000000000000ba80 T boost::thread::start_thread_**noexcept(boost::thread_*
>> *attributes const&)
>> 000000000000ba00 T boost::thread::start_thread_**noexcept()
>>
>> neither of which is start_thread()
>>
>> I've put an entry here
>> https://bugzilla.redhat.com/**show_bug.cgi?id=1021009
>

>>
>> Is there a possible workaround?
>>
>>  Are you sure your compiling with Boost 1.53?
> start_thread is defined in boost/thread/detail/thread.h lines 178-184 as
>
>         void start_thread()
>         {
>           if (!start_thread_noexcept())
>           {
>             boost::throw_exception(thread_**resource_error());
>           }
>         }
>
> Indeed, this file (thread.hpp not .h) is there and has the same code at
the same lines.
However /usr/lib64/libboost_thread-mt.so.1.53.0 doesn't have start_thread()
symbol at all.
start_thread_noexcept() is there though.

Fedora guys said they compile with g++4.8 but with c++98, not c++11

> Please could you check this file and the contexts of this linenes
>
> Best,
> Vicente
> ______________________________**_________________
> Boost-users mailing list
> Boost-users_at_[hidden]
> http://lists.boost.org/**mailman/listinfo.cgi/boost-**users
>
>