March 2013 - Boost-users - lists.preview.boost.org

[boost][asio][1.50] helgrind error between ip::tcp::socket::async_connect & io_service::run ?
by Jinqiang Zhang 05 Mar '13

05 Mar '13

Hi friends, I'm getting helgrind errors using asio::ip::tcp::socket::async_connect while at the same time io_service::run is running in a thread pool. The reports is: -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Possible data race during read of size … [View More]8 at 0x507bb50 by thread #6 ==13316== at 0xDDF1CC: boost::asio::detail::epoll_reactor::descriptor_state::perform_io(unsigned int) (epoll_reactor.ipp:610) ==13316== by 0xDDF355: boost::asio::detail::epoll_reactor::descriptor_state::do_complete(boost::asio::detail::task_io_service*, boost::asio::detail::task_io_service_operation*, boost::system::error_code const&, unsigned long) (epoll_reactor.ipp:648) ==13316== by 0xD7CF93: boost::asio::detail::task_io_service_operation::complete(boost::asio::detail::task_io_service&, boost::system::error_code const&, unsigned long) (task_io_service_operation.hpp:37) ==13316== by 0xE17469: boost::asio::detail::task_io_service::do_run_one(boost::asio::detail::scoped_lock<boost::asio::detail::posix_mutex>&, boost::asio::detail::task_io_service::thread_info&, boost::asio::detail::op_queue<boost::asio::detail::task_io_service_operation>&, boost::system::error_code const&) (task_io_service.ipp:394) ==13316== by 0xE1713B: boost::asio::detail::task_io_service::run(boost::system::error_code&) (task_io_service.ipp:146) ==13316== by 0xE176FC: boost::asio::*io_service::run*() (io_service.ipp:59) ==13316== by 0xF97421: Common::ServiceRunner::ServiceThread() (ServiceRunner.cpp:67) .... This *conflicts* with a previous write of size 8 by thread #9 ==13316== at 0xDDE5EF: boost::asio::detail::epoll_reactor::register_descriptor(int, boost::asio::detail::epoll_reactor::descriptor_state*&) (epoll_reactor.ipp:156) ==13316== by 0xE75C34: boost::asio::detail::reactive_socket_service_base::do_open(boost::asio::detail::reactive_socket_service_base::base_implementation_type&, int, int, int, boost::system::error_code&) (reactive_socket_service_base.ipp:152) ==13316== by 0xE7B6E2: boost::asio::detail::reactive_socket_service<boost::asio::ip::tcp>::open(boost::asio::detail::reactive_socket_service<boost::asio::ip::tcp>::implementation_type&, boost::asio::ip::tcp const&, boost::system::error_code&) (reactive_socket_service.hpp:106) ==13316== by 0xE79FF7: boost::asio::stream_socket_service<boost::asio::ip::tcp>::*open*(boost::asio::detail::reactive_socket_service<boost::asio::ip::tcp>::implementation_type&, boost::asio::ip::tcp const&, boost::system::error_code&) (stream_socket_service.hpp:127) ==13316== by 0xE78904: void boost::asio::basic_socket<boost::asio::ip::tcp, boost::asio::stream_socket_service<boost::asio::ip::tcp> >::*async_connect*<boost::asio::detail::wrapped_handler<boost::asio::io_service::strand, boost::_bi::bind_t<void, boost::_mfi::mf2<void, Common::Comms::TCPClient, boost::system::error_code const&, boost::asio::ip::basic_resolver_iterator<boost::asio::ip::tcp> >, boost::_bi::list3<boost::_bi::value<boost::shared_ptr<Common::Comms::TCPClient> >, boost::arg<1> (*)(), boost::_bi::value<boost::asio::ip::basic_resolver_iterator<boost::asio::ip::tcp> > > > > >(boost::asio::ip::basic_endpoint<boost::asio::ip::tcp> const&, boost::asio::detail::wrapped_handler<boost::asio::io_service::strand, boost::_bi::bind_t<void, boost::_mfi::mf2<void, Common::Comms::TCPClient, boost::system::error_code const&, boost::asio::ip::basic_resolver_iterator<boost::asio::ip::tcp> >, boost::_bi::list3<boost::_bi::value<boost::shared_ptr<Common::Comms::TCPClient> >, boost::arg<1> (*)(), boost::_bi::value<boost::asio::ip::basic_resolver_iterator<boost::asio::ip::tcp> > > > > const&) (basic_socket.hpp:712) ==13316== by 0xE7376B: Common::Comms::TCPClient::HandleResolve(boost::system::error_code const&, boost::asio::ip::basic_resolver_iterator<boost::asio::ip::tcp>) (TCPClient.cpp:297) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- I found that async_connect is not real problem, but *opening a socket* is, when io_service::run is running. Is this problem known or someone can suggest me a workaround ? Many thanks in advance, Jinqiang ZHANG [View Less]

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[assign] Support for std::array
by Bill Buklis 04 Mar '13

04 Mar '13

For compilers that support it (especially VS2010 or later), is or will there be support for std::array with boost::assign? For example list_of works with boost::array, but not std::array. I'm currently still on boost 1.50. If this has already been added to a post 1.50 build, then awesome. Hopefully, I'll be upgrading soon. Thanks, -- Bill

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Re: [Boost-users] Boost.MSM cc1plus.exe:: error: out of memory allocating 65532
by degoah 04 Mar '13

04 Mar '13

Hi, I'm User using the 32bit version of gcc. The compiled binary has to be used on a 32 bit system. I know, i can pass to gcc the 32 bit flag "-m32".... Regards, R niXman <i.nixman(a)gmail.com> schrieb: 2013/2/26 RaRi: > My system environment is configured as follows: > > Operating system : Windows 7 64-Bit > MinGW32, > gcc v.4.72 You are using 32-bit mingw or 64-bit? Please show the output of 'g++ -v' -- Regards, niXman … [View More]

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Problem for compiling Boost 1.53
by julien.plu＠redaction-developpez.com 04 Mar '13

04 Mar '13

Hi, When I try to compile boost with this command line : .\b2 toolset=gcc -j4 --build-type=complete --without-mpi --prefix=C:\librairies\boost-1.53.0 --user-config=user-config.jam install I have the error that you can see in the out.txt file in attachment and the user-config.jam file in attachment either. I try to compile Boost in MinGW with GCC 4.7.2. Someone can help me :-) Thanks in advance. Best regards. Julien.

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bjam does not find *.lib file
by Ronny Herzog 04 Mar '13

04 Mar '13

Dear all, I have troubles to compile because bjam does not find a *.lib file which I would expect to be there. I am on Windows 7 with Boost 1.50.0 and visual studio 10. It complains: |LINK : fatal error LNK1181: cannot open input file '..\boost-build\additional\msvc-10.0\release\address-model-64\threading-multi\pugixml.lib'| Which is true, the compiler does not build a pugixml.lib. I don't understand why it is not build, since I am building a *.dll. I would appriciate any help, because … [View More]I have no clue where I should look for the problem. Thanks a lot, Ronny I have the following setup: |\Jamroot.jam \*.cpp *.hpp (contains the source of the main program) \additional\Jamfile.jam \additional\*.cpp *.hpp (contains a module)| The Jamfile in \addtional is: |using msvc ; # external libs lib pugixml : pugixml.cpp ;| The Jamroot in \ is: |using msvc ; use-project boost : c:/boost_1_50_0 ; project spectraImport : requirements <library>/boost/filesystem//boost_filesystem <library>/boost/regex//boost_regex <library>/boost/python//boost_python # disable autolinking <define>BOOST_ALL_NO_LIB <link>shared : build-dir ../boost-build ; exe spectraImport : [ glob *.cpp ] additional//pugixml ; install ../boost-build : spectraImport ;| I compile with: bjam address-model=64 variant=release -d2 and get the following output: |C:\Users\Duke\my_projects\lipotypexplorer\trunk\c_modules\spectraimport\spectrai mport>bjam address-model=64 variant=release -d2 Performing configuration checks - has_icu builds : no ...patience... ...patience... ...found 2471 targets... ...updating 7 targets... common.mkdir ..\boost-build\additional\msvc-10.0\release\address-model-64 if not exist "..\boost-build\additional\msvc-10.0\release\address-model- 64\\" mkdir "..\boost-build\additional\msvc-10.0\release\address-model-64" common.mkdir ..\boost-build\additional\msvc-10.0\release\address-model-64\thread ing-multi if not exist "..\boost-build\additional\msvc-10.0\release\address-model- 64\threading-multi\\" mkdir "..\boost-build\additional\msvc-10.0\release\address -model-64\threading-multi" file ..\boost-build\additional\msvc-10.0\release\address-model-64\threading-mult i\pugixml.obj.rsp "additional\pugixml.cpp" -Fo"..\boost-build\additional\msvc-10.0\release\address -model-64\threading-multi\pugixml.obj" -TP /O2 /Ob2 /W3 /GR /MD /Zc:forScope /Zc:wchar_t /favor:blend /wd4675 /EHs -c -DBOOST_ALL_NO_LIB -DBOOST_FILESYSTEM_DYN_LINK=1 -DBOOST_SYSTEM_DYN_LINK=1 -DNDEBUG "-IC:\boost_1_50_0" "-Ic:\Python27\Include" compile-c-c++ ..\boost-build\additional\msvc-10.0\release\address-model-64\threa ding-multi\pugixml.obj call "C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\vcvarsall.bat" x86_amd64 >nul cl /Zm800 -nologo @"..\boost-build\additional\msvc-10.0\release\address-model-64 \threading-multi\pugixml.obj.rsp" pugixml.cpp file ..\boost-build\additional\msvc-10.0\release\address-model-64\threading-mult i\pugixml.dll.rsp "..\boost-build\additional\msvc-10.0\release\address-model-64\threading-multi\pu gixml.obj" "C:\boost_1_50_0\bin.v2\libs\python\build\msvc-10.0\release\address-model-64\thr eading-multi\boost_python-vc100-mt-1_50.lib" "C:\boost_1_50_0\bin.v2\libs\regex\build\msvc-10.0\release\address-model-64\thre ading-multi\boost_regex-vc100-mt-1_50.lib" "C:\boost_1_50_0\bin.v2\libs\system\build\msvc-10.0\release\address-model-64\thr eading-multi\boost_system-vc100-mt-1_50.lib" "C:\boost_1_50_0\bin.v2\libs\filesystem\build\msvc-10.0\release\address-model-64 \threading-multi\boost_filesystem-vc100-mt-1_50.lib" "python27.lib" msvc.link.dll ..\boost-build\additional\msvc-10.0\release\address-model-64\threa ding-multi\pugixml.dll call "C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\vcvarsall.b at" x86_amd64 >nul link /NOLOGO /INCREMENTAL:NO /DLL /MACHINE:X64 /subsystem:console /out:"..\boost -build\additional\msvc-10.0\release\address-model-64\threading-multi\pugixml.dll " /IMPLIB:"..\boost-build\additional\msvc-10.0\release\address-model-64\threadin g-multi\pugixml.lib" /LIBPATH:"c:\Python27\libs" @"..\boost-build\additional\m svc-10.0\release\address-model-64\threading-multi\pugixml.dll.rsp" if %ERRORLEVEL% NEQ 0 EXIT %ERRORLEVEL% msvc.manifest.dll ..\boost-build\additional\msvc-10.0\release\address-model-64\t hreading-multi\pugixml.dll if exist "..\boost-build\additional\msvc-10.0\release\address-model-64\t hreading-multi\pugixml.dll.manifest" ( call "C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\vcvarsa ll.bat" x86_amd64 >nul mt -nologo -manifest "..\boost-build\additional\msvc-10.0\release\address-model- 64\threading-multi\pugixml.dll.manifest" "-outputresource:..\boost-build\additio nal\msvc-10.0\release\address-model-64\threading-multi\pugixml.dll;2" ) file ..\boost-build\msvc-10.0\release\address-model-64\threading-multi\spectraIm port.exe.rsp "..\boost-build\msvc-10.0\release\address-model-64\threading-multi\Align.obj" "..\boost-build\msvc-10.0\release\address-model-64\threading-multi\AlignPrecurso r.obj" "..\boost-build\msvc-10.0\release\address-model-64\threading-multi\AssociateSpec tra.obj" "..\boost-build\msvc-10.0\release\address-model-64\threading-multi\averaging.obj " "..\boost-build\msvc-10.0\release\address-model-64\threading-multi\averagingmsms .obj" "..\boost-build\msvc-10.0\release\address-model-64\threading-multi\Import.obj" "..\boost-build\msvc-10.0\release\address-model-64\threading-multi\ImportSpectra .obj" "..\boost-build\msvc-10.0\release\address-model-64\threading-multi\ReadRaw.obj" "..\boost-build\msvc-10.0\release\address-model-64\threading-multi\Resolution.ob j" "..\boost-build\msvc-10.0\release\address-model-64\threading-multi\SIException.o bj" "..\boost-build\msvc-10.0\release\address-model-64\threading-multi\SpectraCalibr ate.obj" "..\boost-build\msvc-10.0\release\address-model-64\threading-multi\spectraimport .obj" "..\boost-build\msvc-10.0\release\address-model-64\threading-multi\SpectraImport Tools.obj" "..\boost-build\msvc-10.0\release\address-model-64\threading-multi\stdafx.obj" "..\boost-build\msvc-10.0\release\address-model-64\threading-multi\Tolerance.obj " "..\boost-build\additional\msvc-10.0\release\address-model-64\threading-multi\pu gixml.lib" "C:\boost_1_50_0\bin.v2\libs\python\build\msvc-10.0\release\address-model-64\thr eading-multi\boost_python-vc100-mt-1_50.lib" "C:\boost_1_50_0\bin.v2\libs\regex\build\msvc-10.0\release\address-model-64\thre ading-multi\boost_regex-vc100-mt-1_50.lib" "C:\boost_1_50_0\bin.v2\libs\system\build\msvc-10.0\release\address-model-64\thr eading-multi\boost_system-vc100-mt-1_50.lib" "C:\boost_1_50_0\bin.v2\libs\filesystem\build\msvc-10.0\release\address-model-64 \threading-multi\boost_filesystem-vc100-mt-1_50.lib" "python27.lib" msvc.link ..\boost-build\msvc-10.0\release\address-model-64\threading-multi\spec traImport.exe call "C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\vcvarsall.b at" x86_amd64 >nul link /NOLOGO /INCREMENTAL:NO /MACHINE:X64 /subsystem:console /out:"..\boost-buil d\msvc-10.0\release\address-model-64\threading-multi\spectraImport.exe" /LIBPATH :"c:\Python27\libs" @"..\boost-build\msvc-10.0\release\address-model-64\threadi ng-multi\spectraImport.exe.rsp" if %ERRORLEVEL% NEQ 0 EXIT %ERRORLEVEL% LINK : fatal error LNK1181: cannot open input file '..\boost-build\additional\ms vc-10.0\release\address-model-64\threading-multi\pugixml.lib' ...failed msvc.link ..\boost-build\msvc-10.0\release\address-model-64\threading- multi\spectraImport.exe... ...skipped <p..\boost-build>spectraImport.exe for lack of <p..\boost-build\msvc- 10.0\release\address-model-64\threading-multi>spectraImport.exe... ...failed updating 1 target... ...skipped 1 target... ...updated 5 targets...| [View Less]

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Re: [Boost-users] [parallel graph] error building parallel BGL
by The Maschine 04 Mar '13

04 Mar '13

Hi, This is the error. Thanks, Tasos ➜ boost-trunk ./b2 libs/graph_parallel/example ...patience... ...patience... ...patience... ...found 4870 targets... ...updating 2 targets... darwin.link bin.v2/libs/graph_parallel/example/darwin-4.2.1/debug/breadth_first_search Undefined symbols for architecture x86_64: "boost::mpi::environment::environment(int&, char**&, bool)", referenced from: _main in breadth_first_search.o "boost::mpi::environment::~environment()", referenced … [View More]

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build error boost 1.53.0
by Dev Guy 04 Mar '13

04 Mar '13

Hello I got the following build errors on my linux box building version 1.53.0 gcc.compile.c++ bin.v2/libs/wave/build/gcc-4.7/release/link-static/threading-multi/cpplexer/re2clex/aq.o gcc.compile.c++ bin.v2/libs/wave/build/gcc-4.7/release/link-static/threading-multi/cpplexer/re2clex/cpp_re.o gcc.archive bin.v2/libs/wave/build/gcc-4.7/release/link-static/threading-multi/libboost_wave.a common.copy /home/yadav/dev/cpp/boost_1.53.0/lib/libboost_wave.a ...failed updating 56 targets... ...skipped 6 … [View More]

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[Fusion] `as_map` not for custom Associative Sequence
by TONGARI 03 Mar '13

03 Mar '13

I do see that the doc says "The elements of the sequence are assumed to be __fusion_pair__s.". But any chance for custom Associative Sequence which doesn't have fusion::pair as elements? Thanks.

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boost::statechart - two async machines in one process?
by Dick Bridges 03 Mar '13

03 Mar '13

I've been using asynchronous boost::statechart for 5+ years but that doesn't seem to count for much in this instance. I've wrapped myself around the axel and have no idea how to proceed. Any help would be greatly appreciated. I am attempting to create a program that contains two separate classes, each built on a boost::statechart state machine. The classes are similar but there is one-and-only-one class a and it creates instances of class b. At least, that was the plan. (Apologies if this … [View More]diagram doesn't format correctly. Outlook is NOT being cooperative.) _______________________ ________________________ | boost::statechart | | boost::statechart | |______________________| |________________________| ^ ^ _________|______________ _________|______________ | struct a_statechart | | struct b_statechart | |_______________________| |_______________________| | | _________O____________ __________O___________ | struct a_impl | | struct b_impl | |----------------------------------| |-----------------------------------| | fifo_scheduler sched_ | | fifo_scheduler sched_ | | processor_handle asm_ | | processor_handle bsm_ | | boost::thread thread_ | | boost::thread thread_ | |_____________________| |______________________| | | _________o____________ _________o____________ | struct a | | struct b | |_____________________| |______________________| However, if the class b processor_handle (bsm_) is initialized, the class a state machine doesn't react to *any* events. If I comment out the bsm_ initialization, the class a state machine handles events as expected. If bsm_ is initialized (with our without creating the thread), the class a state machine doesn't respond to any event. The results are exactly the same if bsm_ is assigned in the ctor. Both asm_ and bsm_ are initialized in the ?_impl ctor: [usual stuff]: sched_(true), ?sm_( sched_.create_processor< ?_statechart >() ), thread_() { FWIW, The state machines in both classes are assigned a thread in the ?_impl ctor: boost::thread tmp( bind( &fifo_scheduler<>::operator(), &sched_, 0 ) ); thread_.swap( tmp ); Any assistance will be greatly appreciated. Regards, Dick Bridges The opinions and data in this missive are my own and do not necessarily represent the positions, strategies, or opinions of Western Digital Corporation. IMPORTANT: The information contained in this email and/or its attachments is confidential. If you are not the intended recipient, please notify the sender immediately by reply and immediately delete this message and all its attachments. Any review, use, reproduction, disclosure or dissemination of this message or any attachment by an unintended recipient is strictly prohibited. Neither this message nor any attachment is intended as or should be construed as an offer, solicitation or recommendation to buy or sell any security or other financial instrument. Neither the sender, his or her employer nor any of their respective affiliates makes any warranties as to the completeness or accuracy of any of the information contained herein or that this message or any of its attachments is free of viruses. Glenda: http://glenda.cat-v.org/gallery/ [View Less]

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[geometry] how to set number of points / chord length in buffer() join_round strategy?
by John Lilley 03 Mar '13

03 Mar '13

I see in the released buffer() algorithm, there is a chord length argument: void buffer(Input const & geometry_in, Output & geometry_out, Distance const & distance, Distance const & chord_length = -1) But I can't seem to find an equivalent for buffer_inserter<> with a join_round strategy. How do I set the chord length or number of approximating points? John Lilley

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threaded stopwatch or count down timer
by Sean Farrow 03 Mar '13

03 Mar '13

Hi all, I'm currently writing an application that requires either a stopwatch or a countdown timer. Is such a thing available in boost? Any help appreciated. Regards Sean.

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variant with shrink
by Niitsuma Hirotaka 02 Mar '13

02 Mar '13

boost::variant should be variant<int,int> => int variant<int,double> => double variant<int,boost::rational<int> > => boost::rational<int> variant<int,double,std::string> => variant<double,std::string> I wrote such extension https://github.com/niitsuma/variant_shrink

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Fwd: Describing "traits" of a class's members
by Chris Stankevitz 02 Mar '13

02 Mar '13

Hello, A week ago I started a thread here called "Can boost help me organize/parse lots of binary data?" As people started offering help, it because clear I had no idea what I was trying to ask. I come back with a clear question. The attached file defines: 1. TCPosition: an object that describes a position 2. TCDoubleTraits: an object that describes characteristics of a parameter represented as a double 3. TCUnsignedTraits: an object that describes characteristics of a parameter that is … [View More]

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[boost] Minimum GCC required to support build
by Michael Powell 02 Mar '13

02 Mar '13

Hello, What is the minimum GCC I will need to compile boost? All of it if I can, or majority of it? And then what might I be giving up? Specifically, I am working with GCC 4.4.3 in Ubuntu LInux 10.04 LTS. I'd like to upgrade that to 4.7 if not 4.8 for C++11 features. I've read it can be done, but that makes me nervous upgrading such a crucial part of the Linux tool chain. Also, bearing in mind that we will need to cross compile to ARM5: I believe crosstool-ng might be the thing that enables … [View More]

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[CONFIG] static const definitions
by John M. Dlugosz 01 Mar '13

01 Mar '13

On 3/1/2013 3:09 AM, boost-users-request-at-lists.boost.org |Boost/Allow to home| wrote: > But to be honest that looks like a BOOST_WORKAROUND rather than a full on > config macro to me - the reason being that it just looks like a compiler > specific bug plain and simple, rather than a missing feature. So maybe I'm looking in the wrong place? But, I don't find anything in the docs for "Workaround" other than the Config library and Boost.Compatibility which is for bad std headers.

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[CONFIG] static const definitions
by John M. Dlugosz 01 Mar '13

01 Mar '13

On 2/27/2013 3:13 PM, boost-users-request-at-lists.boost.org |Boost/Allow to home| wrote: > I think it would be great to have a boost macro to test. > If no one else is aware of a readily-available macro in boost config, > maybe you can log a bug and provide a patch to get the ball rolling? > > Brian I've never done that before for Boost. Is there a guide you can point me to, on the correct procedures to follow?

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building boost with a specific msvc runtime
by Tom K. 01 Mar '13

01 Mar '13

I'm trying to get a consistent VC++ runtime for distribution, but I cannot find anything getting boost/bjam to cooperate. I have successfully compiled libcurl and UnitTest++ with the method in this link. http://tedwvc.wordpress.com/2009/08/10/avoiding-problems-with-vc2005-sp1-se… The idea being that you include a header in each file and then it will only have that one runtime dependency. b2 has options for setting cxxflags, though they do not seem to honor my /FI compile option to use the … [View More]

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statistics: exact median, first and third quartile
by gast128 01 Mar '13

01 Mar '13

Hello all, I was looking if Boost would support basic statistics calculated from a container of values: - Boost.Accumulators supports these statistics but only in an incremental way. This is nice, but now we want exact values since the containers are small (i.e. less than 100 elements) - Boost.Math: support only for distributions Did I overlook something or is this just not supported?

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[geometry] getting overlay_invalid_input_exception thrown from union operation
by John Lilley 01 Mar '13

01 Mar '13

I am seeing a overlay_invalid_input_exception thrown from has_self_intersections when calling the union() operation. Does indicate an internal error, or have I not conditioned my input properly? My test is, taking the TIGER 2010 counties file for Alaska, and repeatedly calling union() on the polygons. There may be some issues that I can think of: 1) Island chains are represented as one big multi-ring polygon in the source shape file. When I convert to boost polygon, I set the first ring as … [View More]

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undefined reference to `boost::filesystem3::path::stem() const
by Witold E Wolski 01 Mar '13

01 Mar '13

Hi, I am linking against all these libs /usr/lib/libboost_filesystem-mt.so;/usr/lib/libboost_system-mt.so;/usr/lib/libboost_iostreams-mt.so;/usr/lib/libboost_thread-mt.so;/usr/lib/libboost_regex-mt.so;/usr/lib/libboost_program_options-mt.so (boost 1.46 on ubuntu 12.04) but still I am getting the following link error undefined reference to `boost::filesystem3::path::stem() const help appreciated regards -- Witold Eryk Wolski Triemlistrasse 155 8047 Zuerich

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Re: [Boost-users] [CONFIG] static const definitionsRe: Boost-users Digest, Vol 3373, Issue 1
by John M. Dlugosz 01 Mar '13

01 Mar '13

On 2/28/2013 11:29 AM, boost-users-request-at-lists.boost.org |Boost/Allow to home| wrote: > I've not come across that one before - do you have an example? > > John. It's happening to me. I don't have time to make a full project to post, but from the linker error I think that the ingredients are: * have an initialized static const member in a header file * used in more than one CPP file * "use" means something that isn't a compile-time value only; passing to a function … [View More]

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