Re: [Boost-build] no matching thread constructor using boost_thread built with STLport

Subject: Re: [Boost-build] no matching thread constructor using boost_thread built with STLport
From: Vicente Botet (vicente.botet_at_[hidden])
Date: 2012-04-16 11:52:42

Damjan Zemljič wrote
> 
> Hi,
> I'm trying to build app which uses some shared library (BMS) depending on
> boost_thread:
> - gcc 3.4.3 on Linux 32bit (native build - no cross compilation)
> - boost 1.34.1 + STLport 5.0
> 
> Boost is build from scratch with STLport like this:
> ./bjam -a -j 8 stdlib=stlport threading=multi --without-python stage
> 
> tools/build/v2/tools/stlport.jam is modified slightly to disable
> libstlport.so suffixes (two lines outcommented appending _gcc and/or
> _stldebug) rather to modify the target machine.
> 
> BOOST builds fine (not everything, spirit for example, but it's not used
> in
> the app so I didn't bother). However, building an app reports unresolved
> symbol, which should be in boost_thread library. Build scripts are ok -
> used in the past with BOOST and native STL (and they work with BOOST 1.35
> +
> STLport!), libraries are found... here is a part of app build command
> line:
> 
> usr/bin/c++   -O3 ...  -o bms_ctrl -rdynamic -L/paths...
> -lboost_thread-gcc34-mt-p-1_34_1 ...
> 
> Which reports an error:
> BMS/lib/Linux-2.6/libBMS.so: undefined reference to
> `boost::thread::thread(boost::function0<void,stlp_std::allocator<boost::function_base>
>> const&)'
> 

Boost.Thread >= 1.35  doesn't defines this prototype and it it included a
big change. I don't remember if 1.34 did it. I guess you know, we are
developing 1.50.

> Analysing the libboost_thread-gcc34-mt-p-1_34_1.so I couldn't found
> anything similar to undefined symbol referenced in BMS library:
> ' U
> _ZN5boost6threadC1ERKNS_9function0IvN8stlp_std9allocatorINS_13function_baseEEEEE'
> 

This seems to be the missing overload ;-)

> 
> If possible (problem is solved), we would prefer boost 1.34.1 over 1.35.0.
> Any idea / hint is very much appreciated.
> 
> 

Have you checked with other platform/compiler/lib?
I will try to recover the version 1.34.1 and see what could be wrong.

Best,
Vicente

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