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: Vicente J. Botet Escriba (vicente.botet_at_[hidden])
Date: 2013-10-21 13:08:39

Le 21/10/13 14:41, MM a écrit :
>
>
>
> On 18 October 2013 20:57, Vicente J. Botet Escriba 
> <vicente.botet_at_[hidden] <mailto:vicente.botet_at_[hidden]>> wrote:
>
>     Le 18/10/13 21:39, MM a écrit :
>>     On 18 October 2013 20:04, Vicente J. Botet Escriba
>>     <vicente.botet_at_[hidden] <mailto:vicente.botet_at_[hidden]>> wrote:
>>
>>         Le 18/10/13 20:50, MM a écrit :
>>
>>         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.
>>
>     start_thread is defined inside a class and would expect it to be
>     inlined. I don't understand why the symbols is unresolved. Please
>     could you compile with -E and take a look at the preprocessed output?
>
>>     Fedora guys said they compile with g++4.8 but with c++98, not c++11
>     Does it works if you compile with c++98?
>
> I use some c++11 additions so I couldn't.
>
>
>     Best,
>     Vicente
>
>  I have actually just switched from the linker  (ld.bdf) to the 'new' 
> gold linker and it solved the problem,.
> Perhaps listbboost had been built by fedora with gold, and my system 
> was using bdf instead,
>
>
Glad to see that this was a build issue.
Vicente