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Problem at the asynchronous TCP Server example
by Daniel França 14 Nov '08

14 Nov '08

Hi everyone, I'm new at this list and new using the boost library. I'm little by little learning about boost. Now I was trying to do this example: http://www.boost.org/doc/libs/1_36_0/doc/html/boost_asio/tutorial/tutdaytim… The source is here: http://www.boost.org/doc/libs/1_36_0/doc/html/boost_asio/tutorial/tutdaytim… But when I try to link I get this errors: /usr/include/boost/system/error_code.hpp undefined reference to `boost::system::get_posix_category()' The program is linking with the follows boost librarys: boost_filesystem-gcc42-mt boost_system-gcc42-mt boost_unit_test_framework-gcc42-mt Maybe I forgot something when I did compile boost? My version of boost is 1.36. I use Linux (Slackware 12.1 + KDE 4.1), gcc 4.2.3 and Eclipse+CDT Best Regards -- Daniel C. França Tecnosapiens: http://tecnosapiens.wordpress.com 24Quadros: http://24quadros.wordpress.com -- Daniel C. França Tecnosapiens: http://tecnosapiens.wordpress.com 24Quadros: http://24quadros.wordpress.com

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Problem with Serialization and Intel 10.0.023
by Steve Nolen 14 Nov '08

14 Nov '08

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BOOST_MPL_LIMIT_SET_SIZE
by peter_foelsche＠agilent.com 14 Nov '08

14 Nov '08

I just run into the basic limitation of 20. This has direct consequences on one of our products. Currently the highest number I've seen is 31, but our customers are likely to create higher numbers. (We generate C++ code in one of our products). It would be ok to limit it to 50 -- which is what boost provides. But what would it take to increase this limit? The matching files in boost/mpl are kind of unreadable for the uninitiated. Or is there a given limit for any compiler? Anybody any clue? Thanks Peter "The first point (using an init() function in preference to a constructor) is bogus. Using constructors and exception handling is a more general and systematic way of dealing with resource acquisition and initialization errors. This style is a relic of pre-exception C++." -- Stroustrup

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[Asio - SSL] Public and Private Keys
by Mario Chacon 13 Nov '08

13 Nov '08

I need to generate public and private keys with OpenSSL. I tried to do it with the following tutorial: http://aionskia.com/boostasio.html, using the example that comes with Windows boost but it did not work. With the keys coming at the example works correctly. Could help generate these keys? (Must run on Windows and Linux) Thx, Mario

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[BGL] Problem when compiling bgl with boost1.37
by Pablo Minguez 13 Nov '08

13 Nov '08

Hi, I have a problem when trying to compile bgl and boost, maybe someone can help, thanks in advance. I am trying to install boost (boost1.37) and bgl python bindings (bgl-python-0.9) in some machines and it gives me an error when compiling: etch-386:/usr/src/bgl-python-0.9# /usr/src/boost_1_37_0/tools/jam/src/bin.linuxx86/bjam --pythonlibdir=/usr/lib/python2.4/site-packages/ --exec-prefix=/usr/ install error: Could not find parent for project at '.' error: Did not find Jamfile.jam or Jamroot.jam in any parent directory. I have used these versions before and everything was fine, I have no clue why now it doesn't work, the new machines are 64 bits, perhaps that is the clue? In order to solve the problem I tryied to compile boost_1_37_0 and another version of bgl: bgl-python from subversion (svn co https://svn.osl.iu.edu/svn/projects_viz/bgl-python) Everything was fine here at this step but when running my scripts they give me an error in the generation of the Graph object: ERROR: Traceback (most recent call last): File "testing_bgl.py", line 403, in ? sh_xml = run_shortest_paths_file(intfile,limit,proteins) File "testing_bgl.py", line 320, in run_shortest_paths_file interactome = Interactome() File "testing_bgl.py", line 23, in __init__ self.weights = self.graph.edge_properties['weight'] = self.graph.edge_property_map('float') AttributeError: 'Graph' object has no attribute 'edge_property_map' This script was working before, any idea of why the edge_property_map attribute cannot be set up in this version of bgl?? So, concluding, any clues for solving either the compilation problem or the python error??? Many thanks!! Pablo -- --------------------------------------------- Pablo Mínguez Paniagua PhD Student Bioinformatics Departament Centro de Investigación Príncipe Felipe (CIPF). Av. Autopista del Saler 16, 46013, Valencia, Spain Phone: +34 96 328 96 80 ext:1021 http://bioinfo.cipf.es/

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[boost-users] VC2005 - strange bug (when specializing base template)
by Igor R 13 Nov '08

13 Nov '08

Hello, This is not a boost-related issue (except the fact that enable_if is used), but it might be of interest to the boost-users community. The following bug was detected in some compicated environment, but the following seems to be the minimal construct where it appears (compile in Debug mode; see comments in Test::func() ). // main.cpp #include <boost/type_traits/is_integral.hpp> #include <boost/utility.hpp> class BasicVersion {}; template<typename Param, class Enable = void> class Version1 : public BasicVersion { protected: Version1() : verData_(2) {} void go() { verData_ = 3; } int verData_; }; template<typename Param, class Enable = void> class TestBase {}; template<typename Param> class TestBase<Param, typename boost::enable_if<boost::is_integral<Param> >::type> : public Version1<Param> {}; template<class Param> class Test : private boost::noncopyable, public TestBase<Param> { public: void func() { go(); // This works well TestBase::go(); // This jumps to an incorrect place (bad "this"), verData_ contains garbage /* the following code is generated for the previous 2 calls: go(); 004116D3 mov ecx,dword ptr [this] 004116D6 add ecx,4 004116D9 call Version1<int,void>::go (4110F5h) TestBase::go(); 004116DE mov ecx,dword ptr [this] 004116E1 add ecx,8 004116E4 call Version1<int,void>::go (4110F5h) */ } private: int data_; }; int main() { Test<int> test; test.func(); }

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Re: [Boost-users] Boost Static Linking Woes
by Brian Dawn 13 Nov '08

13 Nov '08

Hello everyone, I am sorry, I did not explain my situation as well as I should have. I have a complete build of boost installed so I had assumed it created static libraries alongside dynamic ones. When I received the "Mixing a dll boost library with a static runtime is a really bad idea..." message I had assumed autolink was to blame because I had assumed it would recognize the static install and thus search for the static libraries. When I disabled autolink I directly linked to "libboost_whatever.lib" as those are the static libraries correct? However that's when I received the heap corruption. As for the macros... I checked my user & config files, and BOOST_ALL_DYN_LINK was commented out. >> That suggests a build problem somewhere: do you still have BOOST_ALL_DYN_LIB defined or something? By still, do you mean that it is defined by default? Because I had never undefined it. Does boost complete build both static and dynamic libraries? Because maybe that is my problem. I appreciate everyone's help. Thanks, -Brian.

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Re: [Boost-users] Bind and overloaded operators in Visual Studio 2008
by Benjamin Swerts 13 Nov '08

13 Nov '08

> The bug you're seeing is in Dinkumware's bind, not boost's. > Try using boost::bind explicitly and I suspect it will work fine. Thanks for the quick answer. I replaced it with #include <boost/bind.hpp> std::find_if(v.begin(), v.end(), boost::bind( &Foo::first_, _1 ) == test ); which works. I did, however, configure Visual Studio to prefer Boost's TR1 implementation by adding the following include directories before the Microsoft includes (Tools->Options->Projects and Solutions->VC++ Directories->Include files): - boost-root/boost/tr1/tr1 - boost-root This worked as expected with VS2005 but with VS2008 the Microsoft/Dinkumware includes are apparently still preferred. Greets, Ben

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Re: [Boost-users] I have a crash when I included serialization in my Mixed C++ project
by Raj Prasan 13 Nov '08

13 Nov '08

Thanks it worked. Looks like Microsoft has not fixed it in VS 2008 also. I went to project properties > linker settings > advanced and changed entry point from "main" to "?mainCRTStartupStrArray@@$$FYMHP$01AP$AAVString@System@@@Z" I appreciate your help very much. You have saved me a lot of time.

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us_dst_rules::dst_start_offset -- version change issue?
by Joseph A. Marks 12 Nov '08

12 Nov '08

We recently upgraded to Boost 1_36_0. The following line used to compile correctly: boost::posix_time::time_duration td = us_dst_rules::dst_start_offset(); However, now I get the following error: error C2039: 'dst_start_offset' : is not a member of 'boost::date_time::us_dst_rules<date_type_,time_duration_type_>' Does anyone have any insight on how to correct this issue? Joseph A. Marks

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[function] Automatic boost::ref for functors?
by Robert Dailey 12 Nov '08

12 Nov '08

Hi, I noticed in the Boost.Function documentation here that it explains how to pass a reference to a function object into a boost::function. Is there a way to make boost::function automatically take the reference of any function object it is given? For example: boost::function<void (int)> f; f = MyFunctionObject(); // This is an implicit: f = boost::cref( MyFunctionObject() ); Help is appreciated!

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Bind and overloaded operators in Visual Studio 2008
by Benjamin Swerts 12 Nov '08

12 Nov '08

Hello everyone, This is my first post to this list so apologies in advance for all the rules I will be breaking. I have a problem using overloaded operators in Visual Studio 2008 SP1 (no feature pack installed) with Boost version 1.36.0. The following code works perfectly in Visual Studio 2005: ////////// #include <algorithm> #include <functional> #include <vector> struct Foo { Foo(unsigned int first, unsigned int second) : first_(first), second_(second){}; unsigned int first_; unsigned int second_; }; int main(int, char*) { std::vector<Foo> v(10, Foo(1, 2)); const unsigned int test = 1; std::find_if(v.begin(), v.end(), std::tr1::bind( std::equal_to<unsigned int>(), std::tr1::bind(&Foo::first_, std::tr1::placeholders::_1), test)); std::find_if(v.begin(), v.end(), std::tr1::bind( &Foo::first_, std::tr1::placeholders::_1 ) == test ); return 0; } ////////// The 2 find_if calls have the exact same behaviour. If I compile this with 2008, I get the following errors for the second find_if call: .\main.cpp(19) : error C2784: 'bool std::tr1::operator ==(std::tr1::_Unutterable,const std::tr1::function<_Fty> &)' : could not deduce template argument for 'const std::tr1::function<_Fty> &' from 'const unsigned int' C:\Program Files\Microsoft Visual Studio 9.0\VC\include\../include/functional(1100) : see declaration of 'std::tr1::operator ==' .\main.cpp(19) : error C2784: 'bool std::tr1::operator ==(const std::tr1::function<_Fty> &,std::tr1::_Unutterable)' : could not deduce template argument for 'const std::tr1::function<_Fty> &' from 'std::tr1::_Bind<_Ret,_BindN>' with [ _Ret=std::tr1::_Notforced, _BindN=std::tr1::_Bind1,std::tr1::_Ph<1>> ] C:\Program Files\Microsoft Visual Studio 9.0\VC\include\../include/functional(1094) : see declaration of 'std::tr1::operator ==' .\main.cpp(19) : error C2784: 'bool std::tr1::operator ==(const std::tr1::shared_ptr<_Ty> &,const std::tr1::shared_ptr<_Ty2> &)' : could not deduce template argument for 'const std::tr1::shared_ptr<_Ty> &' from 'std::tr1::_Bind<_Ret,_BindN>' with [ _Ret=std::tr1::_Notforced, _BindN=std::tr1::_Bind1,std::tr1::_Ph<1>> ] C:\Program Files\Microsoft Visual Studio 9.0\VC\include\../include/memory(1598) : see declaration of 'std::tr1::operator ==' .\main.cpp(19) : error C2676: binary '==' : 'std::tr1::_Bind<_Ret,_BindN>' does not define this operator or a conversion to a type acceptable to the predefined operator with [ _Ret=std::tr1::_Notforced, _BindN=std::tr1::_Bind1,std::tr1::_Ph<1>> ] I have honestly no idea what I should do to fix this. Mailing list and google searches turned up nothing so any help would be much appreciated. TIA, Ben ------------------------- Ben Swerts Software engineer ICOS Vision Systems NV -------------------------

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Multidimensional distributions in the math toolkit?
by jesseperla＠gmail.com 12 Nov '08

12 Nov '08

Hi, I realize that it isn't in the released version, but has any thinking or progress been made on multidimensional distributions extending the math toolkit distributions? I would love to have a bi-normal, bi-lognormal, and a discrete 2-dim Markov distribution? Thanks, Jesse

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boost timer with sleep
by Andre Paim Lemos 12 Nov '08

12 Nov '08

The following code: #include <iostream> #include <boost/timer.hpp> #include <unistd.h> int main() { boost::timer t; sleep(1); std::cout << t.elapsed() << std::endl; t.restart(); sleep(3); std::cout << t.elapsed() << std::endl; return(0); } Returns (compiled with gcc 4.2.4 on Ubuntu Linux 8.04 using boost 1.36): andre@andre-desktop:~/test$ ./timer_test 0 0 Is this result expected? Why? There is another timer implementation that works with sleep? []'s Andre Paim Lemos

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I have a crash when I included serialization in my Mixed C++ project
by Raj Prasan 12 Nov '08

12 Nov '08

I had a project using both native and CLR code C++.Net. I added serialization to it. Its just crashing. I checked RTTI IS enabled.. I had this problem earlier. I had split the serialization function to both .h and .cpp files. Then it disappered when I wrote it in the class declaration in the .h file. But after I did the same to all the classes (almost 20) that needed serialization. It compiles fine, but crashes even before starting.. Debug information ============= //below the msg box that appears --------------------------- Microsoft Visual C++ Debug Library --------------------------- Debug Assertion Failed! Program: g:\Development\R50\Debug\New Rapid Vision.exe File: f:\dd\vctools\crt_bld\self_x86\crt\src\dbgheap.c Line: 1511 Expression: _CrtIsValidHeapPointer(pUserData) For information on how your program can cause an assertion failure, see the Visual C++ documentation on asserts. (Press Retry to debug the application) --------------------------- Abort Retry Ignore --------------------------- //stack trace msvcr90d.dll!_msize_dbg(void * pUserData=0xdc9ffce0, int nBlockUse=2) Line 1511 + 0x30 bytes C++ msvcr90d.dll!_dllonexit_nolock(int (void)* func=0xdcd983c0, void (void)* * * pbegin=0x0012eecc, void (void)* * * pend=0x0012eec4) Line 295 + 0xd bytes C msvcr90d.dll!__dllonexit(int (void)* func=0xdcd983c0, void (void)* * * pbegin=0x0012eecc, void (void)* * * pend=0x0012eec4) Line 273 + 0x11 bytes C New Rapid Vision.exe!_onexit(int (void)* func=0x00467f20) Line 110 + 0x1b bytes C New Rapid Vision.exe!atexit(void (void)* func=0x00467f20) Line 127 + 0x9 bytes C New Rapid Vision.exe!boost::serialization::singleton<boost::archive::detail::`anonymous namespace'::oserializer_map<boost::archive::xml_oarchive> >::get_instance() Line 104 + 0x34 bytes C++ New Rapid Vision.exe!`dynamic initializer for 'boost::serialization::singleton<boost::archive::detail::`anonymous namespace'::oserializer_map<boost::archive::xml_oarchive> >::instance''() Line 121 + 0x8 bytes C++ [Managed to Native Transition] New Rapid Vision.exe!_initterm(void** pfbegin = 0x004683C4, void pfend = ) Line 130 C++ New Rapid Vision.exe!<CrtImplementationDetails>::LanguageSupport::InitializeNative() Line 534 C++ New Rapid Vision.exe!<CrtImplementationDetails>::LanguageSupport::_Initialize() Line 657 C++ New Rapid Vision.exe!<CrtImplementationDetails>::LanguageSupport::Initialize() Line 855 C++ New Rapid Vision.exe!?.cctor@@$$FYMXXZ() Line 901 + 0x9 bytes C++ [Frames below may be incorrect and/or missing, no symbols loaded for mscorwks.dll] kernel32.dll!7c83971e() kernel32.dll!7c809a69() kernel32.dll!7c83971e() kernel32.dll!7c809a69() mscoree.dll!7900b1b3() kernel32.dll!7c816fd7() -- With best Regards Rajavanya S Twitter me @ https://twitter.com/quakeboy I Blog @ http://www.techtola.com Call me @ 9916-90-93-92 ---------------------------------------------------------------------------------------------- "True love is knowing a person's faults, And loving them even more for them."

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Re: [Boost-users] [graph] predecessor_recorder and VertexList=listS
by M. Siebeneicher 12 Nov '08

12 Nov '08

Hello Andrew, thank you for your suggestions. Unfortunately I still have compile problems. I tried both ways, indexing by bundled properties and by using an external map. Inside the call of breadth_first_search(...) both ways end with the same compiler error (partially in german) : boost_1_35_0\boost\graph\visitors.hpp(160): error C2664: 'void put<std::allocator<_Ty>::value_type,Vertex>(T * ,ptrdiff_t,const V & )': Konvertierung des Parameters 2 von 'boost::adjacency_list_traits<OutEdgeListS,VertexListS,DirectedS>::vertex_descriptor ' in 'ptrdiff_t' nicht möglich with [ _Ty=boost::detail::adj_list_gen<boost::adjacency_list<boost::listS,boost::listS,boost::bidirectionalS,boost::property<boost::vertex_distance_t,unsigned int,de::audi::scenetree::VertexContainer>,GeoTrafo::cPose>,boost::listS,boost::listS,boost::bidirectionalS,boost::detail::retag_property_list<boost::vertex_bundle_t,boost::property<boost::vertex_distance_t,unsigned int,de::audi::scenetree::VertexContainer>>::type,boost::detail::retag_property_list<boost::edge_bundle_t,GeoTrafo::cPose>::type,boost::no_property,boost::listS>::config::vertex_ptr , Vertex=boost::adjacency_list_traits<boost::listS,boost::listS,boost::bidirectionalS>::vertex_descriptor, T=std::allocator<boost::detail::adj_list_gen<boost::adjacency_list<boost::listS,boost::listS,boost::bidirectionalS,boost::property<boost::vertex_distance_t,unsigned int,de::audi::scenetree::VertexContainer>,GeoTrafo::cPose>,boost::listS,boost::listS,boost::bidirectionalS,boost::detail::retag_property_list<boost::vertex_bundle_t,boost::property<boost::vertex_distance_t,unsigned int,de::audi::scenetree::VertexContainer>>::type,boost::detail::retag_property_list<boost::edge_bundle_t,GeoTrafo::cPose>::type,boost::no_property,boost::listS>::config::vertex_ptr >::value_type, V=boost::adjacency_list_traits<boost::listS,boost::listS,boost::bidirectionalS>::vertex_descriptor ] and [ OutEdgeListS=boost::listS, VertexListS=boost::listS, DirectedS=boost::bidirectionalS ] Diese Konvertierung erfordert einen reinterpret_cast-Operator oder eine Typumwandlung im C- oder Funktionsformat For example index and property map definition with bundled property: typedef unsigned int VertexID; class SCENETREELIB_API VertexContainer { public: VertexID m_idVertex; } typedef property_map<BGLGraph, VertexID VertexContainer::*>::type IndexMap; // Build the property map IndexMap im = get(&VertexContainer::m_idVertex, graphIn); std::vector<BGLVertexDescriptor> p(num_vertices(graphIn)); Any further suggestions? greetz Manuel -- Ist Ihr Browser Vista-kompatibel? Jetzt die neuesten Browser-Versionen downloaden: http://www.gmx.net/de/go/browser

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using boost with Visual Studio 2005
by Natalie Happenhofer 12 Nov '08

12 Nov '08

Hi! I need to use boost with Microsoft Visual Studio C++ 5.0, but I get the error D:\Boost\boost_1_36_0\boost/config/compiler/visualc.hpp(186) : fatal error C1189: #error : "Compiler not supported or configured - please reconfigure" Is there any possibility that it might work if I changed the configure files for boost? If so, Which file do I have to alter and how? If not.. I need to use boost\multi_array, is there any older version of boost which works for my Visual Studio 5.0 and includes the multi_array class? I´d be very grateful for advice, thx, Natalie Happenhofer _________________________________________________________________ Express yourself instantly with MSN Messenger! Download today it's FREE! http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/

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[boost-users][bind, signal] binding a weak_ptr?
by Igor R 12 Nov '08

12 Nov '08

Hello, When using shared_ptr, we usually take an advantage of weak_ptr to break the "cycles". But sometimes the "forth connection" between the objects is by means of shared_ptr, while the "back connection" is by means of signal-slot connection. Like this: shared_ptr<Class1> o1; shared_ptr<Class2> o2; o1->someSignal_->connect(bind(&Class2::responder, o2)); // besides, o2 has a shared_ptr to o1 I'd like this signal-slot to be "weak", i.e. instead of "bind(&Class2::responder, o2)" I wish it could be "bind(&Class2::responder, weak_ptr(o2))" - which is illegal. Of course, I can define (and connect to the signal) a wrapping functor that would store a weak_ptr to the wrapped object, and would try to lock it in operator(). But probably boost already have some off-the-shelf solution for this issue? Thanks!

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[BGL] brandes betweenness vs networkx
by Matthew Galati 12 Nov '08

12 Nov '08

What is the rationale behind division by 2 for the undirected Brandes calcuation? Also, can someone show me how to get the weighted version of brandes? The following code calculates the unweighted version. #include "boost/graph/adjacency_list.hpp" #include "boost/graph/graph_utility.hpp" #include "boost/graph/betweenness_centrality.hpp" using namespace boost; int main(int argc, char * argv[]){ const int N = 6; typedef property < edge_weight_t, double > WeightMap; typedef property < vertex_centrality_t, double > CentralityMap; typedef adjacency_list<vecS, vecS, undirectedS, CentralityMap, WeightMap> UndirectedGraph; UndirectedGraph g(N); add_edge(0, 1, 3, g); add_edge(0, 2, 2, g); add_edge(0, 3, 6, g); add_edge(0, 4, 4, g); add_edge(1, 3, 5, g); add_edge(1, 5, 5, g); add_edge(2, 4, 1, g); add_edge(3, 4, 2, g); add_edge(3, 5, 1, g); add_edge(4, 5, 4, g); print_graph(g); brandes_betweenness_centrality(g, get(vertex_centrality,g), get(edge_weight, g) ); boost::property_map<UndirectedGraph, vertex_centrality_t>::type b = get(vertex_centrality, g); graph_traits < UndirectedGraph >::vertex_iterator vi, vi_end; for (tie(vi, vi_end) = vertices(g); vi != vi_end; ++vi) { printf("BRANDES centr[%d] = %g\n", *vi, b[*vi]); } } Boost/graph gives the following: 0 <--> 1 2 3 4 1 <--> 0 3 5 2 <--> 0 4 3 <--> 0 1 4 5 4 <--> 0 2 3 5 5 <--> 1 3 4 I AM HERE dispatch2 CALLING UNWEIGHTED BRANDES centr[0] = 1.83333 BRANDES centr[1] = 0.333333 BRANDES centr[2] = 0 BRANDES centr[3] = 0.666667 BRANDES centr[4] = 1.83333 BRANDES centr[5] = 0.333333 While networkx gives: http://networkx.lanl.gov/reference/generated/networkx.betweenness_centralit… {0: 3.6666666666666665, 1: 0.66666666666666663, 2: 0.0, 3: 1.3333333333333333, 4: 3.6666666666666661, 5: 0.66666666666666663} So, boost is exactly 1/2 of networkx's solution. Is one version wrong? Or is this some kind of convention that boost and networkx disagree on? Thanks, Matt

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Fw: [signals2][review] The review of the signals2library (formerly thread_safe_signals) begins today, Nov 1st
by vicente.botet 12 Nov '08

12 Nov '08

forwarding to boost(a)list.boost.org ----- Original Message ----- From: "Frank Mori Hess" <frank.hess(a)nist.gov> To: <boost-users(a)lists.boost.org> Sent: Monday, November 10, 2008 4:25 PM Subject: Re: [Boost-users] [signals2][review] The review of the signals2library (formerly thread_safe_signals) begins today, Nov 1st > > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On Monday 10 November 2008 05:30 am, Fabio Fracassi wrote: >> * Automatic connection management: >> This is great, even if it wasn't required for thread safety reasons, I >> prefer using shared_ptr based connection tracking over boost::trackable, >> since it enables me to track (and thus safely use) 3d party classes. > > One issue that has occurred to me with the shared_ptr use, is it requires > the > use of boost::shared_ptr. So, if someone's program is instead always > using > std::shared_ptr for example, that could be a bit of an annoyance. One > solution would be to make it support anything that provides the > shared_ptr/weak_ptr interface by making slotN::track() a template and > doing > some type erasure inside the library. Unfortunately, neither the > shared_ptr > or weak_ptr interface provides a typedef for it's associated > weak_ptr/shared_ptr type, and I would need to get both the weak_ptr and > shared_ptr type from the single argument passed to slotN::track(). So, > I'd > have to add some template traits classes that could determine if a class > is a > shared_ptr or weak_ptr, and the type of its associated weak_ptr or > shared_ptr. I could provide specializations of the traits classes for the > shared_ptr/weak_ptr implementations I know about (boost, std, tr1, etc), > otherwise the user would have to provide a specialization. > > The other option would be to add yet another template parameter to the > signal > class for the shared_ptr type, but it has too many parameters already. > >> I haven't done a comparison, but the Docu seems to be mostly the same as >> the original signals. Thus for the usecases that are documentated there >> its high quality, but I miss the same for the new features: >> >> * I miss tutorial quality examples for some of the new features: >> ** Howto use boost::threads with signals2 >> ** Howto use postconstructors/predestructors (and what for?) >> ** An example using signal::extended_slot_type > > Yes, it seems clear I'm not going to get away with the minimal porting job > I > did on the Boost.Signals documentation. Speaking of the postconstructor > stuff, I'm not entirely happy with the deconstruct_ptr interface. Maybe > I'd > like it better if it looked more like make_shared/allocate_shared and had > a > helper for declaring it as a friend, as has been recently proposed on > boost-devel for make/allocate_shared. > >> * The class reference pages (e.g. >> doc/html/boost/signals2/connection.html) are missing from the TOC > > That's just how boostbook does it. The TOC links to the header synopsis, > and > the class names in the header synopsis link to the class reference pages. > I > do remember having a little trouble navigating through it myself initially > though. > >> * Do the portable syntax examples need to be supported (... so >> prominently)? Maybe they could be moved to an appendix? > > I agree they don't, although most of the other additions to the docs > people > have been asking for would seem to take precedence. > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.6 (GNU/Linux) > > iD8DBQFJGFJu5vihyNWuA4URAsUpAJ0TVggC9K9Zy76p1AxtfnxA1VomsgCeL1Z8 > TrXkG8+WbKkBDS7SiUF+0+Y= > =zb8l > -----END PGP SIGNATURE----- > _______________________________________________ > Boost-users mailing list > Boost-users(a)lists.boost.org > http://lists.boost.org/mailman/listinfo.cgi/boost-users >

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Boost Static Linking Woes
by Brian Dawn 12 Nov '08

12 Nov '08

Hello everyone! I current have the latest boost compiled with bjam, I have a complete build. I am also using MS Visual C++ 2008 express. So far everything works out perfectly, however when the compiled application was run on another computer I got a classic "This application has failed to start because its side-by-side configuration is incorrect." error. So instead of generating a multithreaded DLL I changed it to just multithreaded. However I then got this error message "Mixing a dll boost library with a static runtime is a really bad idea...". So it seems autolink wasn't finding my libraries. In order to get around this I then disabled the boost autolink feature and linked to the static libraries manually. The application was then able to compile correctly but I then received a runtime error complaining about a corrupt heap, my code ran just fine before. Is there any way I can get around this? I would like my application to be multithreaded rather than multithreaded DLL to avoid the side-by-side configuration error when distributing my exe. Thanks, Brian.

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Re: [Boost-users] boost 1.37, tr1 and gcc 4.x
by Sergey Sadovnikov 12 Nov '08

12 Nov '08

Hello, Acsoft. Tuesday, November 11, 2008 at 6:24:51 PM you wrote: > Hello, > I am using boost 1.37 and gcc 4.3.2. > I am getting a very nasty error when I mix up boost headers and tr1 > headers in one compilation unit. Some time ago I encountered the same problem with VS 2008 SP1 and shared_ptr. Solution which I found was not to expose boost namespace into global namespace. This is ugly but works. -- Best Regards, Sergey mailto:ssadovnikov@egopolis.com

4 4

[phoenix] [math] operator<< confusion
by Christian Henning 12 Nov '08

12 Nov '08

Hi there, the following code creates an compiler error since the operator<< is ambiguous. #include <boost/math/distributions/gamma.hpp> #include <boost/spirit/include/phoenix_bind.hpp> #include <boost/spirit/include/phoenix_operator.hpp> #include <iostream> #include <vector> struct point { double _prob; double _x; }; int _tmain(int argc, _TCHAR* argv[]) { using namespace boost::phoenix; std::cout << bind( &point::_prob, point() ); return 0; } The error is: 1>.\test.cpp(25) : error C2593: 'operator <<' is ambiguous 1> c:\boost\boost/spirit/home/phoenix/operator/io.hpp(21): could be 'boost::phoenix::actor<Eval> boost::phoenix::operator <<<std::ostream,boost::phoenix::composite<EvalPolicy,EvalTuple>>(T0 &,const boost::phoenix::actor<boost::phoenix::composite<EvalPolicy,EvalTuple>> &)' [found using argument-dependent lookup] [snip] 1> c:\boost\boost/fusion/sequence/io/out.hpp(36): or 'std::basic_ostream<_Elem,_Traits> &boost::fusion::operators::operator <<<boost::phoenix::actor<Eval>>(std::ostream &,const Sequence &)' [found using argument-dependent lookup] [snip] I'm using Visual Studio 2005. Regards, Christian

3 3

[phoenix] binding member_functions
by Christian Henning 12 Nov '08

12 Nov '08

Hi there, I think there are some problems with binding functions if the class has a const and a non-const version of the same member. Please consider the following code: #include <boost/spirit/include/phoenix_algorithm.hpp> #include <boost/spirit/include/phoenix_bind.hpp> #include <boost/spirit/include/phoenix_container.hpp> #include <boost/spirit/include/phoenix_core.hpp> #include <boost/spirit/include/phoenix_function.hpp> #include <boost/spirit/include/phoenix_fusion.hpp> #include <boost/spirit/include/phoenix_object.hpp> #include <boost/spirit/include/phoenix_operator.hpp> #include <boost/spirit/include/phoenix_scope.hpp> #include <boost/spirit/include/phoenix_statement.hpp> #include <boost/spirit/include/phoenix_stl.hpp> #include <algorithm> #include <iostream> #include <fstream> #include <vector> using namespace std; using namespace boost::phoenix; using namespace boost::phoenix::arg_names; struct point { point() {} point( double prob, double x ) : _prob( prob ), _x( x ) {} double& prob() { return _prob; } double& x() { return _x; } const double& prob() const { return _prob; } const double& x() const { return _x; } void set_prob( const double& prob ) { _prob = prob; } void set_x ( const double& x ) { _x = x; } private: double _prob; double _x; }; int _tmain(int argc, _TCHAR* argv[]) { typedef vector< point > distribution_t; distribution_t d( 1 ); const distribution_t& dr = d; // works typedef const double& ( point::* pp_t )() const; double sum_prob = std::accumulate( dr.begin() , dr.end() , 0.0 , arg1 + bind( static_cast<pp_t>(&point::prob), arg2 ) ); // doesn't work sum_prob = std::accumulate( dr.begin() , dr.end() , 0.0 , arg1 + bind( &point::prob, arg2 ) ); return 0; } Only when I explicitly state which member phoenix is swallowing it. I don't think that should be required. Steven. When do you think you will apply the patches? Thanks, Christian

2 3

[config] policy for setting BOOST_HAS_THREADS?
by JOAQUIN M. LOPEZ MUÑOZ 11 Nov '08

11 Nov '08

Hello, What is the policy by which BOOST_HAS_THREADS gets defined or not? I used to think this macro is somehow affected by the selection of a single-threaded or multithreaded runtime library as done in bjam with threading=single and threading=multi, but some experiments in Linux suggest that this is not the case, as discussed in the following thread: http://lists.boost.org/boost-build/2008/11/20641.php Thank you, Joaquín M López Muñoz Telefónica, Investigación y Desarrollo

5 11

brandes centrality example
by Matthew Galati 11 Nov '08

11 Nov '08

Newbie... Does anyone have a small hand example of using http://www.boost.org/doc/libs/1_37_0/libs/graph/doc/betweenness_centrality.… on a weighted graph? I am having trouble creating one. Thanks, Matt

1 0

[Proto] terminal class acting as Pod
by Joel Falcou 11 Nov '08

11 Nov '08

I remember seeing a example code where terminal where treated as POD thanks to some macro. basically, if i have a foo_expr in a foo_domain, how can I build a special terminal class which acts as a POD if foo_expr is generated using pod_generator so I can write stuff like : foo x = { ... soem value }; where foo is a terminal extending foo_expr -- ___________________________________________ Joel Falcou - Assistant Professor PARALL Team - LRI - Universite Paris Sud XI Tel : (+33)1 69 15 66 35

2 4

Fwd: [signals2][review] little REVIEW
by Stjepan Rajko 11 Nov '08

11 Nov '08

I am forwarding the review below: ---------- Forwarded message ---------- From: <Jean-Christophe.BENOIST(a)fr.thalesgroup.com> Date: Tue, Nov 4, 2008 at 8:43 AM Subject: [signals2][review] The review of the signals2 library (formerly t hread_safe_signals) begins today, Nov 1st : little REVIEW To: stjepan.rajko(a)gmail.com (first of all please excuse my weak english, I am not a native english speaker) I am a regular user of boost::signals, so I am very interested by signals2. I'll review from a user standpoint. * On the documentation : - I am surprised to find very little information or rationale about multi-threading in documentation. We know the library is now "thread safe" but we don't know exactly what it means. There is only one MT use case (just) detailed in "tutorial" : what happens when a thread disconnect a slot from a signal, while another thread calls it. But there are another interesting MT use cases : - what if 2 threads simultaneously calls the same signal ? How to mutex slots in this case ? Are slots automatically excluded by an hidden mutex ? - What if a thread adds a slot to a signal while another calls it ? Is the slot added after signal call ? There should be tutorials and explanations for these cases, IMO. - About rationale : why is there special signals2::mutex ? May we use boost::thread::mutex for mutex template ? What are advantages/drawbacks of choosing signals2::mutex or boost::thread::mutex ? - Use of "postconstructible" or "predestructible" classes is rather obscure, and should be tutorialized / better documented. * On interface : - Very close from original signals interface : no particular comment. * On test suite / test cases : - I cannot see any MT test case (from the documentation, in "acceptance tests" section at least). It's rather surprising. I cannot imagine there is no test case for MT (calling a signal while disconnecting slot etc..). In particular, I'd whish to see if this library is robust in a multi-core environment and run test cases in this environment (I know cases where a library is perfectly thread safe on mono-core, even hyperthreading, but fails on multi-core). At least, there should be a rationale explaining why this library should be robust in a multi-core environment (especially with a proprietary signals2::mutex). * Final statement : All in all, I think this library is very close to be accepted as a Boost library, but without MT test cases and MT documentation, I can't give a total agreement for now. I have little doubt this library is MT tested and robust, even in a multi-core environment, but I have no real clue to assert it. Feel free to ask me further details. Best regards Jean-Christophe BENOIST Software Engineer THALES Communications France

1 0

ICC and _syn_lock bug again
by Joel Falcou 11 Nov '08

11 Nov '08

As shown here : http://lists.boost.org/Archives/boost/2008/06/138322.php There *was* a bug with intel Compiler and shared_ptr using the __sync_lock intrinsic. It has been fixed on ICC 9.x but today I tried to sue this with latest ICC 10.1.018 on ubuntu linux and got the very same error than in the original topic. Is there something I miss ? -- ___________________________________________ Joel Falcou - Assistant Professor PARALL Team - LRI - Universite Paris Sud XI Tel : (+33)1 69 15 66 35

2 4

boost 1.37, tr1 and gcc 4.x
by Acsoft Acsoft 11 Nov '08

11 Nov '08

Hello, I am using boost 1.37 and gcc 4.3.2. I am getting a very nasty error when I mix up boost headers and tr1 headers in one compilation unit. Here is my code: #include <functional> using namespace std; using namespace tr1; #include <boost/program_options.hpp> using namespace boost; void blub() { } function<void()> i1(blub); //error: expected constructor, destructor, or type conversion before '<' token std::function<void()> i2(blub); //Compiles fine tr1::function<void()> i3(blub); //Compiles fine boost::function<void()> i4(blub); //Compiles fine I did add the 'boost/tr1/tr1/' folder to the very beginning of global include list. What is wrong?

2 1

Asio acceptor : Multiple client connections on single port
by Amit Sonawane 11 Nov '08

11 Nov '08

I have a acceptor server which listens to various connections from clients. It creates one server object per client connection. I need the clients to connect to only one IP port of the server. Following the examples in boost I do this: (sample code) boost::asio::ip::tcp::acceptor m_acceptor; boost::asio::ip::tcp::resolver resolver(iosvr); boost::asio::ip::tcp::resolver::query query(host.c_str(),boost::lexical_cast<std::string>(port)); boost::asio::ip::tcp::endpoint endpoint = *resolver.resolve(query); m_acceptor.open(endpoint.protocol()); m_acceptor.set_option(boost::asio::socket_base::reuse_address(true)); if( bNoDelay ) m_acceptor.set_option(boost::asio::ip::tcp::no_delay(true)); else m_acceptor.set_option(boost::asio::ip::tcp::no_delay(false)); m_acceptor.bind(endpoint); m_acceptor.listen(); At runtime the server listens to one and only one client connection, the others are not connected at all. What is wrong in the implementation? OR How do I make acceptor to accept multiple connections on the same server port? Any help is highly appreciated. Esta mensagem pode conter informação confidencial e/ou privilegiada. Se você não for o destinatário ou a pessoa autorizada a receber esta mensagem, não deverá utilizar, copiar, alterar, divulgar a informação nela contida ou tomar qualquer ação baseada nessas informações. Se você recebeu esta mensagem por engano, por favor avise imediatamente o remetente, respondendo o e-mail e em seguida apague-o. Agradecemos sua cooperação. This message may contain confidential and/or privileged information. If you are not the addressee or authorized to receive this for the addressee, you must not use, copy, disclose, change, take any action based on this message or any information herein. If you have received this message in error, please advise the sender immediately by reply e-mail and delete this message. Thank you for your cooperation.

1 0

boost::unordered_map thread safety
by Kenny Riddile 11 Nov '08

11 Nov '08

This is a simple question, but a quick search didn't turn up any answers. Is it safe for multiple readers to access a boost::unordered_map concurrently? -Kenny Riddile

4 4

[format] How to trigger compile-time error for mismatched arguments
by Jeffrey Chang 11 Nov '08

11 Nov '08

Hi, I'm using boost::format library, and this may be obvious to those experienced users: is there any way to detect the mismatch of number of expected arguments in a boost::format object? Both of the following statements throw out runtime exceptions (which is correct): std::cout << boost::format ("%s %s") % "Hello"; std::cout << boost::format ("%s") % "Hello" % "world"; It'd be great if this type of parameter-mismatch error can be caught at compile-time, instead of run-time. We use boost::format library extensively for logging, and inevitably there're human errors like this mismatched number of arguments. IMHO, this kind of error should have been detected by compiler at build time, s.t. the developer won't be embarrassed by QA or customers at run-time. Actually, what's even worse is the following that doesn't generate error at all: std::cout << boost::format ("%s %s") % "Hello" % 12345; There's a type-mismatch ('char*' versus 'int') for the second argument, but there's neither compile-time nor run-time error. The output is "Hello 12345", which may be correct, but it may not be what the programmer intended to do. Any way of turning those typo into compile-time error? --- Jeffrey

2 1

Boost MPI + Serialization
by Raymond Wan 11 Nov '08

11 Nov '08

Hi all, I am using Boost MPI and would like to send user-defined objects between processes. As the Boost MPI tutorial / documentation suggests (http://www.boost.org/doc/libs/1_37_0/doc/html/mpi/tutorial.html) I should use serialization and in this document, they show an example class gps_position which is a friend with boost::serialization::access. So far, I understand what's going on, but I don't know what is the next step. The example in the documentation stops there and says that the example continues in the Serialization document. It also just mentions that one could store it in many forms, such as XML on disk, in addition to sending it to processes. If all I want to do is send it between processes, which one of the formats listed in boost/archive/*.hpp should I use? In the Serialization document, it continues by creating a boost::archive::text_oarchive object. But, if I am sending things like vectors of unsigned integers and strings, a binary format should be more compact? Or does this not matter and sticking with the Serialization example is fine? Thank you in advance! Ray

2 2

[signals2][review] The review period of the signals2 library is over
by Stjepan Rajko 11 Nov '08

11 Nov '08

Hello all, The review period of the signals2 library finishes today, November 10th. I would like to thank the author, Frank Mori Hess, for preparing the library for review and for diligently answering questions, and all those that have participated in the review for their thoughtful comments and reviews. A few more reviews will be coming late - if anyone that hasn't contacted me yet would like to submit a review in the following few days please let me know so I know to wait for your review. I will start working on summarizing the content of the reviews and comments submitted so far, and will post a report within a week. Kind regards, Stjepan

1 0

[boost.python] Hello world example of is not working with msvc
by Sandeep Gupta 11 Nov '08

11 Nov '08

Hi, I am reasonably sure that this is due to omission in the configuration file. I checkout from the trunk and all compilation went without problem. But the hello world example within the boost.python is failing with error: LINK : fatal error LNK1104: cannot open file 'boost_python-vc80-mt-gd-1_38.lib' call "f:\Program Files\Microsoft Visual Studio 8\VC\vcvarsall.bat" x86 >nul link /NOLOGO /INCREMENTAL:NO /DLL /DEBUG /subsystem:console /out:"bin\msvc-8.0\debug\hello_ext.pyd" /IMPLIB:"bin\msvc-8.0\debug\hello_ext.lib" /LIBPATH:"F:\CodeBase\Libs\Python-2.5.2\PCbuild8\win32release" @"bin\msvc-8.0\debug\hello_ext.pyd.rsp" .... .... >From what I can make that LIBPATH doesn't have path to boost_python-vc80-mt-gd-1_38.lib. The lib in question is build at its requisite place. Appreciate any help. Thanks sandeep

2 1

iphone port
by Gustavo Garcia Bernardo 11 Nov '08

11 Nov '08

Is it possible to build boost library to be used in the iphone? I'm a newcomer in this list, I apologize if this is a repeated or silly question. Thank you very much. G.

4 4

Turn off versioning in Serialization
by Brian Nantz 11 Nov '08

11 Nov '08

I am using serialization split member (save & load) and it works great. I am using a text archive, but I do not want the framework to put the "version header" in the string (e.g. 22 serialization::archive 4 1303 ). I want to simply serialize the string and handle the versioning myself in the load function. Is there a way to turn this off? If not, where can I find detailed documentation on implementing a custom archive or build in another type of serialization (other than binary and xml nvp)? I have looked through mailing lists and documentation but I don't see a detailed description of how to extend the design. Brian

2 1

Re: [Boost-users] [Database] question about database
by raindog＠macrohmasheen.com 11 Nov '08

11 Nov '08

A decent candidate could be SOCI. It is hosted on sourceforge and to my knowledge is being modified for eventual boost submission ------Original Message------ From: Mario Chacon Sender: boost-users-bounces(a)lists.boost.org To: boost-users(a)lists.boost.org ReplyTo: boost-users(a)lists.boost.org Sent: Nov 10, 2008 10:41 AM Subject: [Boost-users] [Database] question about database Hello: Is there a database boost implementation??.. or Have I do my own implementation? Thank you for all Salu2... _______________________________________________ Boost-users mailing list Boost-users(a)lists.boost.org http://lists.boost.org/mailman/listinfo.cgi/boost-users Sent from my Verizon Wireless BlackBerry

2 1

[Database] question about database
by Mario Chacon 10 Nov '08

10 Nov '08

Hello: Is there a database boost implementation??.. or Have I do my own implementation? Thank you for all Salu2...

1 0

[Reflextion] Please help me, i have trouble with reflextion
by Mario Chacon 10 Nov '08

10 Nov '08

Hello, I am trying to use boos-reflexion but I have this trouble in this thread: http://archives.free.net.ph/message/20080913.122428.8014a555.fi.html Hello. I downloaded boost.extensions from http://boost-extension.blogspot.com/?gclid=CNjp5dfJ2JUCFQsZQgod0mHbWg When I tried the first example (the shared_library one) in the tutorial, I realized that the macro BOOST_EXTENSION_EXPORT_DECL didn't prevent c++ name mangling for the example function. I had to add extern "C" before void manually. And in the second tutorial (the animals tutorial) BOOST_EXTENSION_TYPE_MAP_FUNCTION seems to be called, but when I get the map from main, it is empty. The library is found (LD_LIBRARY_PATH is set so that it finds the library) but it does not work. Thank you. Tested in gcc 4.3.2 under ubuntu 8.10. Can somebody help me ?

3 8

can't initialize boost::filesystem::path
by ahassaine＠gmail.com 10 Nov '08

10 Nov '08

Dear boot users, I'm using boost 1.33 with Visual C++ 7. I need to create an instance of boost::filesystem::path. I tried : > std::string dir="c:\\"; > boost::filesystem::path my_path(dir); The compilation is successful but at the execution, I obtain a non handled exception in the xstring file at the end of this function : > void _Tidy(bool _Built = false, > size_type _Newsize = 0) > { // initialize buffer, deallocating any storage > if (!_Built) > ; > else if (_BUF_SIZE <= _Myres) > { // copy any leftovers to small buffer and deallocate > _Elem *_Ptr = _Bx._Ptr; > if (0 < _Newsize) > _Traits::copy(_Bx._Buf, _Ptr, _Newsize); > _Mybase::_Alval.deallocate(_Ptr, _Myres + 1); > } > _Myres = _BUF_SIZE - 1; > _Eos(_Newsize); > } Any help is welcome. Thanks in advance !

2 2

new using Boost (Problem at the asynchronous TCP Server example)
by Daniel França 09 Nov '08

09 Nov '08

BOOST: Duvida link em um asynchronous TCP serverHi everyone, I'm new at this list and new using the boost library. I'm little by little learning about boost. Now I was trying to do this example: http://www.boost.org/doc/libs/1_36_0/doc/html/boost_asio/tutorial/tutdaytim… The source is here: http://www.boost.org/doc/libs/1_36_0/doc/html/boost_asio/tutorial/tutdaytim… But when I try to link I get this errors: /usr/include/boost/system/error_code.hpp undefined reference to `boost::system::get_posix_category()' The program is linking with the follows boost librarys: boost_filesystem-gcc42-mt boost_system-gcc42-mt boost_unit_test_framework-gcc42-mt Maybe I forgot something when I did compile boost? My version of boost is 1.36. I use Linux (Slackware 12.1 + KDE 4.1), gcc 4.2.3 and Eclipse+CDT Best Regards -- Daniel C. França Tecnosapiens: http://tecnosapiens.wordpress.com 24Quadros: http://24quadros.wordpress.com

1 0

1.37 build problems/error on linux/gcc
by Olaf Peter 09 Nov '08

09 Nov '08

I've got the following compiler error: olaf@tux:/var/tmp/boost_1_37_0$ ./configure --prefix=/usr/local/boost_1_37_0 Building Boost.Jam with toolset gcc... tools/jam/src/bin.linuxx86/bjam Detecting Python version... 2.5 Detecting Python root... /usr Unicode/ICU support for Boost.Regex?... /usr Generating Boost.Build configuration in user-config.jam... Generating Makefile... olaf@tux:/var/tmp/boost_1_37_0$ make ./tools/jam/src/bin.linuxx86/bjam -sICU_PATH=/usr --user-config=user-config.jam error: at /var/tmp/boost_1_37_0/tools/build/v2/build/project.jam:846 error: duplicate initialization of gcc with the following parameters: error: version = 4.3.2 error: previous initialization at /var/tmp/boost_1_37_0/tools/build/v2/build/project.jam:846 Not all Boost libraries built properly. on: olaf@tux:/var/tmp/boost_1_37_0$ LANG=en gcc -v Using built-in specs. Target: i486-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu 4.3.2-1ubuntu11' --with-bugurl=file:///usr/share/doc/gcc-4.3/README.Bugs --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --enable-shared --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --enable-nls --with-gxx-include-dir=/usr/include/c++/4.3 --program-suffix=-4.3 --enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc --enable-mpfr --enable-targets=all --enable-checking=release --build=i486-linux-gnu --host=i486-linux-gnu --target=i486-linux-gnu Thread model: posix gcc version 4.3.2 (Ubuntu 4.3.2-1ubuntu11) what gone wrong here? Thanks Olaf

2 1

Boostcon 2009 call for sessions
by dan marsden 09 Nov '08

09 Nov '08

3rd annual Boost Conference 2009 Aspen CO, USA, May 3-9, 2009, www.boostcon.com ---------------------------------------------------------------------------- Call for participation ---------------------- Promising to be the main face-to-face event for all things Boost (www.boost.org) BoostCon'09 opens the door to your C++ future. From using the Boost libraries to writing and maintaining them, from evangelizing to deploying Boost within your organization, from infrastructure and process to vision and mission, and from TR1 to TR2 and the new C++0x Standard, BoostCon brings together the sessions, the colleagues, and the inspiration to support your work with C++ and Boost in particular for the next year. To reflect the breadth of the Boost community, the conference includes sessions aimed at two constituencies: Boost end-users and hard-core Boost library and tool developers. The program fosters interaction and engagement within and across those two groups, with an emphasis on hands-on, participatory sessions. Session topics -------------- * Topics of interest include, but are not restricted to, the following: * General tutorial sessions introducing one or more Boost libraries * In-depth sessions on using specific libraries * Case studies on using Boost * Experts panels * Advanced sessions on implementation techniques used within Boost libraries * C++0x and how it will change life for users and library writers * TR1 and TR2 * Development workshops to extend or enhance existing Boost libraries * Workshops on design process * Infrastructure workshops such as Build tools, Website, Testing * Concepts and Generic Programming * Hardware and infrastructure presentations focused on how libraries can make better use of the technology * Other topics likely to be of great interest to Boost users and Developers. Interactive and collaborative sessions are encouraged, as this is the nature of both the on-line Boost community and the style of learning and participation that has proven most successful at such events. Sessions can be tutorial based, with an emphasis on interaction and participant involvement, or workshop based, whether hands-on programming or paper-based, discussion-driven collaborative work. Session formats --------------- Presentations ............. Presentations focus on a practitioner's ideas and experience with anything relevant to Boost and Boost users. Panels ...... Panels feature three or four people presenting their ideas and experiences relating to Boost's relevant, controversial, emerging, or unresolved issues. Panels may be conducted in several ways, such as comparative, analytic, or historic. Tutorials ......... Tutorials are sessions at which instructors teach conference participants specific Boost-relevant skills. Workshops ......... Workshops provide an active arena for advancements in Boost-relevant topics. Workshops provide the opportunity for experienced practitioners to develop new ideas about a topic of common interest and experience. Author's Corner Presentations ............................. These were introduced at BoostCon 2008, and were a great success. They are short (30 minute) sessions, focusing on tips on usage and design. In addition, we're looking to uncover the hidden design gems boost libraries. Tool Vendors Presentations .......................... We actively encourage tool vendors and ISP's to submit proposals for a special Tool Vendors Session Track aimed at products related to Boost and C++ (compilers, libraries, tools, etc.). Other formats may also be of interest. Don't hold back a proposal just because it doesn't fit into a pigeonhole. Submitting a proposal --------------------- Standard Sessions are 90 minutes. You may submit a proposal for fractions or multiples of 90-minutes. Fractional proposals will be grouped into 90 minute sessions covering related topics. Longer sessions, such as tutorials and classes, will be assigned 90 minute, three hour (i.e. half day), or six hour (i.e. full day) time slots. Please include: * The working title. * Type of session: presentation, panel, tutorial, workshop, authors corner, vendor track, other * A paragraph or two describing the topic covered, suitable for the conference web site * Proposed length: 10-20 minute short talks, 45 minutes, 90 minutes, half-day, full day * Alternate lengths, if you are willing to make adjustments: 10-20 minute lightning-talks, 45 minutes, 90 minutes, half-day, full day * Audience: users, developers, both * Level: basic, intermediate, advanced * A biography, suitable for the conference web site * Your contact information (will not be made public) Submission details ------------------ All submissions have to be done through the EasyChair conference management system: http://www.easychair.org/conferences/?conf=boostcon09. If you have not already registered at EasyChair, you will need to do so in order to submit your proposal. All submissions will go through a peer review process. Authors are invited to submit PDF versions of full papers of up to 10 pages in ACM conference proceedings format (see http://www.acm.org/sigs/publications/proceedings-templates) The full papers are not required unless you want them published in the proceedings. All accepted papers will be made available in the Association for Computing Machinery (ACM) Digital Library (approval pending). Best papers, after further reviews, will be considered to be book chapters or journal articles in a renowned journal. The session materials go on the BoostCon CD handed out to attendees. For general information on the BoostCon 2009 paper submission or the scope of technical papers solicited, please refer to the conference website at www.boostcon.com. For any other questions about the submission process or paper format, please contact the Program Committee at boostcon09(a)easychair.com. If you have any technical problems with EasyChair, please contact EasyChair for help. Note: Presenters must agree to grant a non-exclusive perpetual license to publish submitted materials, either electronically or in print, in any media related to BoostCon. Important dates --------------- Proposals for submissions due: January 10th 2009. Proposals acceptances sent (tentative program available): February 10th, 2009 Fully scheduled program available: March 1st, 2009 Session materials due: April 1st 2009. Hartmut Kaiser, email: hartmut.kaiser(a)gmail.com (Program Committee Chair) David Abrahams, email: dave(a)boostpro.com (Conference Chair) On behalf of the conference organizers

1 0

boost::signals - missing static runtime builds for VC8.0
by Dimitri Kaparis 09 Nov '08

09 Nov '08

Hello, I'm using the boostpro installer and noticed the static runtime multithread builds for VC8.0 of the Boost Signals (and several other) libraries are missing. All builds are available for both VC7.1 and VC9.0. I have also tried building the current boost version (although I haven't gone deep into the details of the build process) and at a glance it seems the multithread static runtime library variants are not built here either (I'm missing libboost_signals-vc80-mt-sgd-1_36.lib and libboost_signals-vc80-mt-s-1_36.lib). Any ideas why is that? Regards, Dimitri

1 0

[type_traits] is_convertible bug with gcc 4.3.0
by Terry G 09 Nov '08

09 Nov '08

I'm playing with move semantics (still/again). The following program compiles and runs fine with msvc8 but does not compile with gcc 4.3.0 when ENABLE_IS_CONVERTIBLE_CHECK is defined. Should it? The problem has something to do with U's copy constructor being private. I've inluded the compiler output below too. terry ============================================ #include <boost/type_traits.hpp> #include <boost/utility/enable_if.hpp> #include <cassert> template <typename T> class move_from { private: T* _source; public: explicit move_from(T& x) : _source(&x) { } T& get() const { return *_source; } }; // move_from #define ENABLE_IS_CONVERTIBLE_CHECK template <typename T> inline move_from<T> move(T& x #ifdef ENABLE_IS_CONVERTIBLE_CHECK , typename boost::enable_if< boost::is_convertible<move_from<T>, T> >::type* = 0 #endif ) { return move_from<T>(x); } template <typename T> class U { T* _ptr; public: void reset(T* p=0) { delete _ptr; _ptr = p; } T* release() { T* rval = _ptr; _ptr = 0; return rval; } U() : _ptr(0) { } U(T* x) : _ptr(x) { } U(move_from<U> x) : _ptr(x.get().release()) { } U& operator=(move_from<U> x) { reset(x.get().release()); } T* get() const { return _ptr; } T* operator->() const { return get(); } T& operator*() const { return *get(); } private: explicit U(const U&); U& operator=(const U&); }; // U int main() { U<int> x(new int(1234)); U<int> z(move(x)); // Seems to convert ok here. assert(*z == 1234); assert(!x.get()); return 0; } // main ============================================ In file included from c:/boost/boost/type_traits.hpp:38, from bug.cpp:1: c:/boost/boost/type_traits/is_convertible.hpp: In instantiation of ' const bool boost::detail::is_convertible_basic_impl< move_from<U<int> >&, U<int> >::value' : c:/boost/boost/type_traits/is_convertible.hpp:295: instantiated from ' const bool boost::detail::is_convertible_impl< move_from<U<int> >, U<int> >::value' c:/boost/boost/type_traits/is_convertible.hpp:418: instantiated from 'boost::is_convertible<move_from<U<int> >, U<int> >' c:/boost/boost/utility/enable_if.hpp:36: instantiated from 'boost::enable_if< boost::is_convertible<move_from<U<int> >, U<int> >, void >' bug.cpp:46: instantiated from here c:/boost/boost/type_traits/is_convertible.hpp:136: error: no matching function for call to 'U<int>::U(U<int>)' bug.cpp:34: note: candidates are: U<T>::U(move_from<U<T> >) [with T = int] bug.cpp:33: note: U<T>::U(T*) [with T = int] c:/boost/boost/type_traits/is_convertible.hpp:136: error: initializing argument 1 of ' static boost::type_traits::yes_type boost::detail::checker<T>::_m_check(T, int) [with T = U<int>]' from result of 'U<T>::U(move_from<U<T> >) [with T = int]'

2 1

A lot of warnings with Boost.Filesystem
by ancode tran 08 Nov '08

08 Nov '08

Dear boosters, I got 25 warnings in total from "boost/filesystem/path.hpp" and "boost/filesystem/operations.hpp" about "comparison between signed and unsigned integer expressions". This is because the type of dot<Path>::value (and the likes, e.g slash<Path>::value) is char regardless of the type of Path::value_type, which is an unsigned integral type in case of wchar_t. Obviously, they are not errors but for me, these 25 warnings are too much and unfriendly. I hope this will be fixed in future version of Boost. Thank you for reading this. Best regards, An P.S: I use gcc(winxpsp2/linux) + boost 1.36.0 + stlport 5.1.6 --------------------------------- Đặt ngay địa chỉ email mới! Lấy ngay địa chỉ email bạn từng muốn có trước khi có người khác nhanh tay hơn!

1 0

asio 10022 error
by Amit Sonawane 08 Nov '08

08 Nov '08

Hi, I am using boost 1.36.0 asio. I have to connect to several ip/ports within my application, asio successfully connects to some ips/ports while it throws an error with code 10022, "An invalid argument was supplied". In my case the ip/ports supplied are on the same ip i.e. same server. Any ideas what I could be doing wrong? Esta mensagem pode conter informação confidencial e/ou privilegiada. Se você não for o destinatário ou a pessoa autorizada a receber esta mensagem, não deverá utilizar, copiar, alterar, divulgar a informação nela contida ou tomar qualquer ação baseada nessas informações. Se você recebeu esta mensagem por engano, por favor avise imediatamente o remetente, respondendo o e-mail e em seguida apague-o. Agradecemos sua cooperação. This message may contain confidential and/or privileged information. If you are not the addressee or authorized to receive this for the addressee, you must not use, copy, disclose, change, take any action based on this message or any information herein. If you have received this message in error, please advise the sender immediately by reply e-mail and delete this message. Thank you for your cooperation.

2 1

Concurrency and session termination in boost::asio
by Scott Gifford 08 Nov '08

08 Nov '08

Hello, I'm experimenting with boost::asio as the basis for communications and event handling for a network server. The server will support many clients, and should scale well to machines with multiple processors/cores, so I'd like to use thread pools to execute requests. I've done this by calling io_service.run() from multiple threads, which seems to be the normal way to do it. Each client session always has an asynchronous read operation waiting for new commands. If the server has a notification for a thread, it will send it by starting an asynchronous write on that session. Notifications can come at any time, not just in response to a request, so it is common for a session to simultaneously have oustanding asynchronous read and write requests. Sessions are terminated when the socket is closed or when the client sends a quit command. I'm trying to make sure that my handling of session termination is threadsafe. It seems that the normal way to handle this is to detect an error or end-of-file in an asynchronous event handler, then delete the object to end the session. Because my server is using a threadpool and waiting for both read and write events, it is possible for a read and write callback to be running concurrently on different CPUs. In that case, if one of those callbacks detects an error and deletes the object, the other will continue running using an invalid object. In a simple echo server I wrote to learn about boost::asio, I can see these invalid accesses when running under valgrind with a large number of clients, so unless I have made an error in my server, this appears to be a real problem. I rewrote it to have write errors handled by closing the session, which causes the read callback to run, notice the session has been closed, and delete the object. This seemed to solve the problem, but it still seems there is a potential problem if the read callback finishes deleting the object while the write callback is running. Is there a better way to handle session termination? Can I use io_service::strand to prevent this by having the readers and writers for the same session running in the same strand? Thanks for any thoughts! ----Scott.

3 11

[trunk] Support for Intel-linux 11.0?
by Mikko Vainio 08 Nov '08

08 Nov '08

Dear boosters, Is someone out there working on fixes required for boost to work with the brand-new Intel Compiler v11.0 for linux? Should we users wait for a few days before start making tickets for the observed errors? Anyway, here's one to start with: /usr/local/include/boost/type_traits/is_class.hpp(129): error: namespace "boost" has no member "remove_cv" BOOST_TT_AUX_BOOL_TRAIT_DEF1( ^ Cheers, Mikko

2 2

[signals2][review] The review of the signals2 library is scheduled to end on Monday, November 10th
by Stjepan Rajko 08 Nov '08

08 Nov '08

Hello, The review of the signals2 library is scheduled to end on Monday, November 10th. We have had some good discussion so far and a couple of reviews. I hope the remaining few days will provide enough time to others that were planning on submitting a review. If anyone needs any more discussion time or time to write the review, please let me know (so we can see about extending the review period, or so that I know to wait for your review longer). Kind regards, Stjepan

1 0

[phoenix] another problem with member_variable bind
by Christian Henning 07 Nov '08

07 Nov '08

Hi there, I'm trying to multiply a factor to my probabilities by using the std::transform algorithm. But it results in a compiler error. #include <boost/spirit/include/phoenix_algorithm.hpp> #include <boost/spirit/include/phoenix_bind.hpp> #include <boost/spirit/include/phoenix_container.hpp> #include <boost/spirit/include/phoenix_core.hpp> #include <boost/spirit/include/phoenix_function.hpp> #include <boost/spirit/include/phoenix_fusion.hpp> #include <boost/spirit/include/phoenix_object.hpp> #include <boost/spirit/include/phoenix_operator.hpp> #include <boost/spirit/include/phoenix_scope.hpp> #include <boost/spirit/include/phoenix_statement.hpp> #include <boost/spirit/include/phoenix_stl.hpp> #include <algorithm> #include <iostream> #include <fstream> #include <vector> struct point { double _prob; double _x; }; int _tmain(int argc, _TCHAR* argv[]) { using namespace std; using namespace boost::phoenix; using namespace boost::phoenix::arg_names; vector< int > ints; // works std::transform( ints.begin() , ints.end() , ints.begin() , arg1 + 1 ); vector< point > points; // doesn't work std::transform( points.begin() , points.end() , points.begin() , bind( &point::_prob, arg1 ) * val( 2.0 ) ); return 0; } The error is: error C2679: binary '=' : no operator found which takes a right-hand operand of type 'double' (or there is no acceptable conversion) Regards, Christian

3 5

receiver.cpp multicast example cannot receive messages on solaris 10
by jack240260＠hotmail.com 07 Nov '08

07 Nov '08

Hi: Just ask how you configure you receiver.cpp: listen_address? I used 0.0.0.0? As I even cannot receive message after sender.cpp add lines of outbount_interface option for socket. Thanks Jack

1 0

Building Boost (python not found)
by Missing Rainbow 07 Nov '08

07 Nov '08

Hi All, While I try to build boost I got the following "python not found" error. Is this a problem? Or can I continue with the 'make' command? lotus 197 $ ./configure --with-toolset=sunpro --prefix=$b -n Building Boost.Jam with toolset sunpro... tools/jam/src/bin.solaris/bjam ./configure: python: not found -n Unicode/ICU support for Boost.Regex?... /usr Generating Boost.Build configuration in user-config.jam... Generating Makefile... lotus 198 $ python ksh: python: not found lotus 199 $ pwd /backup/dev_area/anna/boost/boost_1_37_0 lotus 200 $ Rgds, anna -- Two Party Fraud: Staged Presidential Debates http://missingrainbow.blogspot.com/2008/10/two-party-fraud-staged-president…

2 1

Re: [Boost-users] question about threading library
by charles arthur 07 Nov '08

07 Nov '08

thank you for your quick reply. I now discover I need to build with'x64' and I've spent enough time in the documentation that I can figure that out. charles -----Original Message----- >From: Anthony Williams <anthony.ajw(a)gmail.com> >Sent: Nov 7, 2008 12:26 PM >To: boost-users(a)lists.boost.org >Subject: Re: [Boost-users] question about threading library > >"Robert Ramey" <ramey(a)rrsd.com> writes: > >> Thanks for this information. > >You're welcome. > >> I appreciate the effort you've put into this, and I have >> a lot of confidence in the library. But I feel it would be more >> useful to me and others if it were it to have a lot more tutorial type >> documentation and examples. > >You're not the only one who's mentioned that. I'll write some >tutorials when I get a chance. > >Anthony >-- >Anthony Williams >Author of C++ Concurrency in Action | http://www.manning.com/williams > >Custom Software Development | http://www.justsoftwaresolutions.co.uk >Just Software Solutions Ltd, Registered in England, Company Number 5478976. >Registered Office: 15 Carrallack Mews, St Just, Cornwall, TR19 7UL, UK > >_______________________________________________ >Boost-users mailing list >Boost-users(a)lists.boost.org >http://lists.boost.org/mailman/listinfo.cgi/boost-users

1 0

question about threading library
by Robert Ramey 07 Nov '08

07 Nov '08

I want to use the boost threading library in an application. Looking through the documentation, I have a questions. a) in the examples I find "boost::mutex::scoped_lock" but I don't find this in the documentation. It looks like this is called "lock_guard". What should I be doing here. b) Its not clear to me how unique_lock(Lockable l) is different than using lock_gard(..) or scoped_lock. Robert Ramey

5 6

[program_options] Using multitokens
by Ryan McConnehey 07 Nov '08

07 Nov '08

In the example documentation a multitoken is used for strings as follows: ("email", boost::program_options::valuevalue<std::string>()->multitoken(), "email to send to") This means the command line can have the following option. --email beadle@mars beadle2@mars I'm trying to use the multitoken with an unsigned long as follows: ("sending,s", boost::program_options::value<unsigned long>()->multitoken(), "Distination node address and port number to transmit data.") The command option I would like to use is: -s 23 6543 When trying to do this the following error occurs. Unhandled exception: in option 'sending': multiple values not allowed How do I correctly define a multitoken and then how do I retrieve the different values? Ryan

3 6

Happy Camper
by Rush Manbert 07 Nov '08

07 Nov '08

Yesterday, all in one day, I had to make my first use of the Boost Date Time library, the Threads library, and the Random Number library. As has been my experience in the past, all of them were easy to use and they just worked as advertised for my application. We all know that the libraries aren't perfect, or there would be hardly any traffic on this list. :-) But I would like to say thank you to all of the people involved in developing and releasing the libraries. They are immensely useful and are of extremely high quality. - Rush

1 0

#include <boost/asio.hpp> makes installshield's "Extract COM Interface" get bad winsock2 registry settings
by Kevin McMahon 07 Nov '08

07 Nov '08

All I have to do is #include <boost/asio.hpp>. I tried boost 1.35 and boost 1.37 with Visual Studio 2008. If it is included, InstallShield's RegSpyUI (or it's "Extract COM Interface" step) gets bad Winsock2 registry settings. When InstallShield applies those settings, it screws up the machine. Most notably, DNS is disabled. The registry settings that appear are: HKEY_LOCAL_MACHINE\ System\ CurrentControlSet\ Services\ WinSock2\ Parameters\ WinSock_Registry_version==>2.0 NameSpace_Catalog5\ Num_Catalog_Entries==>0 Serial_Access_Num==>1 Catalog_Entries\ Protocol_Catalog9\ Num_Catalog_Entries==>0 Next_Catalog_Entry_ID==>-23 Serial_Access_Num==>1 Catalog_Entries\ I don't know where they come from. I'm still trying to figure it out. If anyone has any advice, I'd be grateful. Thanks, Kevin McMahon kevinmcm(a)alum.mit.edu

1 0

Visitor Pattern Implementation
by Rodrigo Madera 07 Nov '08

07 Nov '08

Dear community, Is there any implementation/helper/inspiration/or-alike in Boost for the Visitor Pattern? I know of Boost Signals, which is awesome, but (as stated in the FAQ) it's not Thread-safe (yikes!). Thank you for your kind input, Rodrigo

3 4

[Regex] 1.37.0: Truncation warning under Windows
by Peter Klotz 07 Nov '08

07 Nov '08

MSCV8 gives this warning when compiling Boost.Regex 1.37.0 under Windows x86 (32 Bit): libs\regex\src\..\src\cregex.cpp(563) : warning C4309: 'static_cast' : truncation of constant value The code that produces the warning: #ifdef BOOST_HAS_LONG_LONG const std::size_t RegEx::npos = static_cast<std::size_t>(~0ULL); #else const std::size_t RegEx::npos = static_cast<std::size_t>(~0UL); #endif In Windows x86 sizeof(unsigned long long int) is 8, sizeof(std::size_t) is 4 and BOOST_HAS_LONG_LONG is defined. Therefore "~0ULL" is truncated from 8 to 4 bytes. Maybe a better trigger would be the architecture (32 Bit or 64 Bit) since in all environments I know sizeof(std::size_t) equals the architecture. Regards, Peter.

1 0

[bjam] Generated path approaches 255 character OS limit
by Peter Klotz 07 Nov '08

07 Nov '08

When compiling Boost 1.37.0 using this bjam command line under Windows I obtained the error message below: bjam -q -sNO_COMPRESSION=1 --build-type=complete --without-graph --without-math --without-mpi --without-python --without-serialization --without-signals --without-wave --toolset=msvc-8.0 architecture=x86 address-model=64 failed to write output file 'bin.v2\libs\test\build\msvc-8.0\debug\address-model-64\architecture-x86\asynch-exceptions-on\link-static\runtime-link-static\threading-multi\libboost_prg_exec_monitor-vc80-mt-sgd-1_37.lib.rsp'! Obviously the path I started from (70 characters) combined with the bjam generated path (192 characters) exceeds the OS limit of 255 characters per filename. Does the bjam generated path really have to be this long? Can I shorten it somehow? If future versions of bjam encode even more information into the generated path it may not be possible to build Boost even when building in directory C:\Boost. Regards, Peter.

6 10

Re: [Boost-users] Boost-users] question about threading library
by Tan, Tom (Shanghai) 07 Nov '08

07 Nov '08

Please read this link by the author of boost.thread: http://www.devx.com/SpecialReports/Article/38883/1954?pf=true, He also has a personal blog worth reading: http://www.justsoftwaresolutions.co.uk/ concerning your specific questions: 1. boost::mutex::scoped_lock is just a typedef of unique_lock<mutex> inside mutex. With this kind of typedef, you'll be able to use the same type scoped_lock for other kind of mutex( For example Timed_mutex ) by changing the mutex type only. There IS the definition on this page: http://www.boost.org/doc/libs/1_37_0/doc/html/thread/synchronization.htm l#thread.synchronization.mutex_types 2. " std::lock_guard is deliberately basic and can only be used as shown. On the other hand, std::unique_lock allows for deferred locking, trying to lock, trying to lock with a timeout, and unlocking before the object is destroyed. "(copied from the first link above) HTH. >From: "Robert Ramey" <ramey(a)rrsd.com> >Subject: [Boost-users] question about threading library > >I want to use the boost threading library in an application. > >Looking through the documentation, I have a questions. >a) in the examples I find "boost::mutex::scoped_lock" but >I don't find this in the documentation. It looks like this >is called "lock_guard". What should I be doing here. >b) Its not clear to me how unique_lock(Lockable l) >is different than using lock_gard(..) or scoped_lock. >Robert Ramey **************************************

1 0

[random] streamable state of normal_distribution to ostream not accurate
by Oei, YC 07 Nov '08

07 Nov '08

Dear list members, I'm using the Boost Random Number Library, and am now trying to store the state of an instance of normal_distribution by means of its << operator. It doesn't however seem to work: three of its data members are definitely not outputting properly on my system. I can reproduce the problem with this test file: ----- #include <boost/random/mersenne_twister.hpp> #include <boost/random/variate_generator.hpp> #include <boost/random/normal_distribution.hpp> #include <iomanip> #include <iostream> #include <limits> using namespace boost; using namespace std; int main() { mt19937 rng; normal_distribution<> gauss; variate_generator<mt19937&, normal_distribution<> > var(rng, gauss); cerr << setprecision(numeric_limits<double>::digits10 * 2); for (size_t i = 0; i != 5; ++i) { cerr << var() << endl; //prints a random number cerr << gauss << endl; //dumps object internal state } //for } //main ----- which, on Ubuntu 8.04 amd64 (gcc 4.2.4, boost 1.34.1) produces this output: 0.21343601372288967255030911474 0 1 0 6.95335189373114898041666608493e-310 6.9533518937319394854500120794e-310 -0.495580282118778303601658308253 0 1 0 6.95335189373114898041666608493e-310 6.9533518937319394854500120794e-310 1.57537639010992913668474102451 0 1 0 6.95335189373114898041666608493e-310 6.9533518937319394854500120794e-310 -1.05920392793252360341682560829 0 1 0 6.95335189373114898041666608493e-310 6.9533518937319394854500120794e-310 1.83926543714107570970384131215 0 1 0 6.95335189373114898041666608493e-310 6.9533518937319394854500120794e-310 ...and I get similar output on an OpenSuse 10.2 x86_64 system (gcc 4.1.2, boost 1.33.1). If I understand the code in boost/random/normal_distribution.hpp correctly, the third member in the stream represents _valid and should alternate between 0 and 1, and the last two values should definitely not stay the same for five iterations. Can you tell me if I'm doing anything wrong? (And, slightly offtopic, what should I set the stream-precision at to ensure exact reloading of the floating point data?) Many thanks for reading and thinking about this, Yung-Chin Oei

2 2

#include <boost/asio.hpp> makes installshield's "Extract COM Interface" get bad winsock2 registry settings
by Kevin McMahon 07 Nov '08

07 Nov '08

All I have to do is #include <boost/asio.hpp>. I tried boost 1.35 and boost 1.37 with Visual Studio 2008. If it is included, InstallShield's RegSpyUI (or it's "Extract COM Interface" step) gets bad Winsock2 registry settings. When InstallShield applies those settings, it screws up the machine. Most notably, DNS is disabled. The registry settings that appear are: HKEY_LOCAL_MACHINE\ System\ CurrentControlSet\ Services\ WinSock2\ Parameters\ WinSock_Registry_version==>2.0 NameSpace_Catalog5\ Num_Catalog_Entries==>0 Serial_Access_Num==>1 Catalog_Entries\ Protocol_Catalog9\ Num_Catalog_Entries==>0 Next_Catalog_Entry_ID==>-23 Serial_Access_Num==>1 Catalog_Entries\ I don't know where they come from. I'm still trying to figure it out. If anyone has any advice, I'd be grateful. Thanks, Kevin McMahon kevin(a)pando.com Kevin McMahon kevinmcm(a)alum.mit.edu

1 0

compiler support question
by Brian Nantz 06 Nov '08

06 Nov '08

I have seen the list of compilers that boost officially supports (http://www.boost.org/boost-build2/doc/html/bbv2/reference/tools.html) But I am wondering if anyone has tried boost on CAD-UL? I need to support this compiler on Linux for an embedded device. Brian

2 1

Multiple compiler & platform support.
by Brian Nantz 06 Nov '08

06 Nov '08

One of the things that drew me to use boost is that is supports so many compilers and platforms that can be mixed and matched. I am creating a library on top of boost and Arabica. I want this library I am creating to support all the compilers and platforms that boost does. What is the easiest way to do this? Do I have to duplicate much of the config and decl stuff? Has anyone done this and have some advice? brian

2 1

Re: [Boost-users] [Multi-index] hash_unique memory consumption vs std::map
by JOAQUIN M. LOPEZ MUÑOZ 06 Nov '08

06 Nov '08

________________________________________ De: boost-users-bounces(a)lists.boost.org [boost-users-bounces(a)lists.boost.org] En nombre de Michael Fawcett [michael.fawcett(a)gmail.com] Enviado el: jueves, 06 de noviembre de 2008 22:34 Para: boost-users(a)lists.boost.org Asunto: Re: [Boost-users] [Multi-index] hash_unique memory consumption vsstd::map > Do you know of a better way to track memory usage in Windows? Task > Manager is obviously not up to the task, VTune reports it on a > system-wide basis, not per process, and _Crt* functions require > modifying your code. Use an instrumented allocator, like count_allocator in http://tinyurl.com/66xhv7 . It is an intrusive, but very precise method. Joaquín M López Muñoz Telefónica, Investigación y Desarrollo

1 0

[Multi-index] hash_unique memory consumption vs std::map
by Michael Fawcett 06 Nov '08

06 Nov '08

In my application I need to load millions of vertices into a graph. I'm using BGL for this. Each edge has around 20-30 attributes associated with it and each attribute has a unique ID (not necessarily sequential or 0-based). I'm currently using this multi_index_container for the attributes: typedef detail::mutable_pair<long, _variant_t> id_attribute_pair_type; typedef boost::multi_index_container < id_attribute_pair_type, boost::multi_index::indexed_by < boost::multi_index::hashed_unique<boost::multi_index::member<id_attribute_pair_type, long, &id_attribute_pair_type::first> > > > map_type; which emulates: typedef std::map<long, _variant_t> map_type; If I check memory consumption after loading the graph using multi_index I'm at 190MB. Using std::map it's at 124MB. I realize this is because std::map is perfectly sized and a hashmap will grow in chunks, but is there a way I can reserve a size ahead of time since I know exactly how many attributes there will be? My graph loading performance does not seem to change between multi_index and map, however subsequent search operations (shortest_path, etc) seem to favor multi_index. Thanks for such a great library. I've used it in many projects. --Michael Fawcett

4 10

[asio] : how to monitor a tcp socket
by Mathieu Peyréga 06 Nov '08

06 Nov '08

Hello first, thanks to boost creators for these great libraries ! For my question... I have an external TCP server, to which I connect thanks to a boost.asio powered client. I am using asynchronous operations, but i have an issue, I'd like to trigger a *fast *client side deconnexion when the peer disappear (is reset for example) So far, the deconnexion occurs on an error on a asynchronous read operation, but this error happens like 10-12 seconds after the physical deconnexion occured. Is there a way to set the "time out" value ? Is there another way to detected that the peer vanished. Regards, Mathieu

2 5

[phoenix] std::fstream problem
by Christian Henning 06 Nov '08

06 Nov '08

Hi there, sorry to bother the community with my phoenix problems today. Please consider the following code sample: #include <boost/spirit/include/phoenix_algorithm.hpp> #include <boost/spirit/include/phoenix_bind.hpp> #include <boost/spirit/include/phoenix_container.hpp> #include <boost/spirit/include/phoenix_core.hpp> #include <boost/spirit/include/phoenix_function.hpp> #include <boost/spirit/include/phoenix_fusion.hpp> #include <boost/spirit/include/phoenix_object.hpp> #include <boost/spirit/include/phoenix_operator.hpp> #include <boost/spirit/include/phoenix_scope.hpp> #include <boost/spirit/include/phoenix_statement.hpp> #include <boost/spirit/include/phoenix_stl.hpp> #include <algorithm> #include <iostream> #include <fstream> #include <vector> int _tmain(int argc, _TCHAR* argv[]) { using namespace std; using namespace boost::phoenix; using namespace boost::phoenix::arg_names; vector< int > ints; ofstream out( ".\\remove.txt" ); // works std::for_each( ints.begin(), ints.end(), cout << arg1 << " " ); // doesn't work - error C2297: '<<' : illegal, right operand has type 'const char *' std::for_each( ints.begin(), ints.end(), out << arg1 << " " ); return 0; } I couldn't find anything inside the documentation regarding file streams. Thanks, Christian

3 3

Boost 1.37.0 Release Notice
by Beman Dawes 06 Nov '08

06 Nov '08

Boost 1.37.0 has been released and is available from SourceForge. See http://sourceforge.net/projects/boost/ This release includes one new library: Proto: Expression template library and compiler construction toolkit for domain-specific embedded languages, from Eric Niebler. Updated libraries include Asio, Circular Buffer, Dynamic Bitset, Hash, Interprocess, Intrusive, Math Type, Traits, and Unordered. The release managers were Beman Dawes, Daniel James, Eric Niebler, and Rene Rivera. The web site should be updated soon to reflect the new release. If you can't wait, see http://beta.boost.org now! --Beman Dawes

11 13

Re: [Boost-users] shared_ptr and Visual Studio 2008 Express SP1
by Sergey Sadovnikov 06 Nov '08

06 Nov '08

Hello, John. Wednesday, November 5, 2008 at 7:37:00 PM you wrote: JM> Nothing unusual about that: you have two different shared_ptr's visible in JM> scope: boost::shared_ptr and std::tr1::shared_ptr. You need to decide which JM> you intend to use and either prefix all shared_ptr usages with the JM> appropriate qualifiers, or else just take care to only import the one JM> shared_ptr in the first place. I understand what I have two visible versions of shared_ptr. And in my code I exclude all "boost/shared_ptr.hpp" inclusions. But what I have to do with boost headers such as "date_time/gregorian/greg_month.hpp" which also include shared_ptrs? I understand, what 'using' is quite dangerous directive, but I use it only in implementation files and never in headers. It makes source code more shortly and readable. Just compare: std::tr1::bind(&std::tr1::shared_ptr<SomeType>::get, std::tr1::placeholders::_1, /* ... */); with bind(&shared_ptr<SomeType>::get, _1); :) In the first case code semantic hidden under fully-qualified names. -- Best Regards, Sergey mailto:ssadovnikov@egopolis.com

3 4

error C2440: 'reinterpret_cast' : InterlockedCompareExchange from detail\interlocked.hpp
by Joseph Marks 06 Nov '08

06 Nov '08

Apparently, the signature of this function has changed. When we used it under Visual Studio 6.0 it compiled correctly however, the following happens in MS VS 2008: The following error appears error C2664: 'InterlockedCompareExchange' : cannot convert parameter 2 from 'PVOID' to 'LONG' If I just do a cast, I get: error C2440: 'reinterpret_cast' : cannot convert from 'DWORD' to 'long'. Does anyone have any suggestions? Thanks in advance. Joseph (-: The preceding e-mail message (including any attachments) contains information that may be confidential, or constitute non-public information. It is intended only for the designated recipient. If you are not the named addressee, you should not disseminate, distribute or copy this e-mail. If you have received this e-mail by mistake, please notify the sender immediately by replying to this message and delete this e-mail from your system. Use, dissemination, distribution or reproduction of this message by unintended recipients is not authorized and may be unlawful.

2 1

Boost Statechart Keyboard and Pingpong example code?
by framebuffer 06 Nov '08

06 Nov '08

Hi, Please refer to the following link: http://www.boost.org/doc/libs/1_35_0/libs/statechart/doc/tutorial.html The tutorial refers to two source codes : for eg: in Asynchronous state machines "see the PingPong example for the full source code" I am unable to locate these example (keyboard and pingpong). I googled it, and no links are given in the tutorial. Thanks, fb. -- View this message in context: http://www.nabble.com/Boost-Statechart-Keyboard-and-Pingpong-example-code--… Sent from the Boost - Users mailing list archive at Nabble.com.

2 2

[date_time] dst_local_start_time
by Jean-Pierre Bergamin 06 Nov '08

06 Nov '08

Hello I'm confused about the returned time of the dst_local_start_time() function. First of all I don't understand why a ptime is returned and not a local_date_time, buy anyway. The ptime I get returned for the timezone Europe/Zurich for 2007 is: 2007-Mar-25 02:00:00 Assuming that this is a UTC time, the local time in Zurich would then be 2007-Mar-25 04:00:00 (because during summertime, Zurich is 2h ahead of UTC), but the correct local dst start time would be 2007-Mar-25 03:00:00 (because the clocks are shifted from 2 to 3). To correctly calculate the dst start time, I have to add the dst_offset to the returned time_of_day. The returned ptime 2007-Mar-25 02:00:00 seems to be the endtime of wintertime as a local time. time_zone_ptr zh_tz = tz_db.time_zone_from_region("Europe/Zurich"); ptime zh_dst_start_time = zh_tz->dst_local_start_time(2007); std::cout << zh_dst_start_time << std::endl; // 2007-Mar-25 02:00:00 local_date_time zh_dst_local_start_time = local_date_time(zh_dst_start_time, zh_tz); std::cout << zh_dst_local_start_time << std::endl; // 2007-Mar-25 04:00:00 CEST which is wrong! ptime zh_dst_start_time_ok = zh_dst_start_time + zh_tz->dst_offset(); local_date_time zh_dst_local_start_time_ok = local_date_time(zh_dst_start_time_ok.date(), zh_dst_start_time_ok.time_of_day(), zh_tz, true); std::cout << zh_dst_local_start_time_ok << std::endl; // 2007-Mar-25 03:00:00 CEST which is correct So what time exactly is local_start_time() returning? Is this a bug or am I missing something? Regards James

2 4

[Lambda] Using placeholders as array indices
by user790 user790 06 Nov '08

06 Nov '08

I am trying to use boost::lambda's placeholders as array indices. What I tried boils down to this: <code> #include <vector> #include <boost/lambda/bind.hpp> #include <boost/lambda/lambda.hpp> int main(int argc, char * argv[]) { using namespace boost::lambda; std::vector<int> a(10,0); bind(static_cast<std::vector<int>::reference (std::vector<int>::*)(std::vector<int>::size_type)>(&std::vector<int>::operator[]), a, _1)(0) = 1; } </code> But I get the following error (Visual C++ 2008 Express Edition, boost 1.35.0): error C2665: 'boost::lambda::function_adaptor<Func>::apply' : none of the 2 overloads could convert all the argument types What part am I missing? Thanks, P.

3 4

Assertion 'px != 0' failed when using boost::regex
by Daniel Hansen 06 Nov '08

06 Nov '08

Hey everyone, I'm in desperate need of some help here. I'm working on a webcrawler for a computer science class and I'm using boost::regex to parse some of the html elements. After calling a few boost::regex functions, I get this error. It doesn't seem to be tied to any specific funcion, but it seeems to come up after a certain number of calls to the functions. Here is the exact error: test: /usr/include/boost/shared_ptr.hpp:315: T* boost::shared_ptr<T>::operator->() const [with T = boost::regex_token_iterator_implementation<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char, std::char_traits<char>, std::allocator<char> > >, char, boost::regex_traits<char, boost::cpp_regex_traits<char> > >]: Assertion `px != 0' failed. and the backtrace: #0 0x00110416 in __kernel_vsyscall () #1 0x005424c0 in raise () from /lib/libc.so.6 #2 0x00543e88 in abort () from /lib/libc.so.6 #3 0x0053b3fe in __assert_fail () from /lib/libc.so.6 #4 0x0806228f in boost::shared_ptr<boost::regex_token_iterator_implementation<__gnu_cxx::__normal_iterator<char const*, std::string>, char, boost::regex_traits<char, boost::cpp_regex_traits<char> > > >::operator-> (this=0xbfffef04) at /usr/include/boost/shared_ptr.hpp:315 #5 0x080622a7 in boost::regex_token_iterator<__gnu_cxx::__normal_iterator<char const*, std::string>, char, boost::regex_traits<char, boost::cpp_regex_traits<char> > >::operator* (this=0xbfffef04) at /usr/include/boost/regex/v4/regex_token_iterator.hpp:243 #6 0x080582cd in HTMLParser::parse I have attached my code, so that you can see what functions I'm using and in what context, etc. I really appreciate all your help. Thanks, Daniel Hansen

1 0

Boost::Serialize, serializing std::basic_string
by Jacob Holm 06 Nov '08

06 Nov '08

I have a variable which is a basic_string, as I want my own allocator assigned to it. This gives me the following compiler error: "Error 3 error C2039: 'serialize' : is not a member of 'std::basic_string<_Elem,_Traits,_Ax>' ...\boost\serialization\access.hpp 109" I have searched around for this error but have not been able to find a solution. It would be possible to just pass a vector with chars in it, but basic_string is preferred. Has anyone else had this problem and maybe managed to solve it? /Jacob Holm

2 7

subject:[Thread] undefined reference to `boost::thread::thread......
by xiaofeng liao 06 Nov '08

06 Nov '08

Hello ,every one. I got undefefined reference errors while using thread libs, I reviewd some existing post on this subject, but still can't solve my problem. So I paste my problem here, I appreciate any help. Thank you. My platform is fedora 8, gcc 4.1.2 20070925 (Red Hat 4.1.2-33). I downloaded boost_1_37_0.tar.bz2 from www.boost.org I followed the "Getting started guide" on the www.boost.org I extracted the boost_1_37_0.tar.bz2 use "tar --bzip2 -xf /usr/local/boost_1_37_0.tar.bz2"; Because I want to write multi-thread programs using boost, so I decided to build the separately-compiled Boost libraries. I followed the "Getting Started Guide". I run the following cmds: ./configure --prefix=/usr/local/boost_1_37_0/ make install So, after long wait, it's done, all the librarys are build. My /usr/local/boost_1_37_0 directory structure looks like this: ----------------------------------------------------------------------------------- drwxr-xr-x 3 root root 4096 11-03 16:51 bin.v2 drwxr-xr-x 69 1000 1000 4096 11-02 20:50 boost -rw-r--r-- 1 1000 1000 848 06-26 23:57 boost-build.jam -rw-r--r-- 1 1000 1000 969 2006-12-02 boost.css -rw-r--r-- 1 1000 1000 6308 2005-08-12 boost.png -rwxr-xr-x 1 1000 1000 9909 2008-04-30 configure -rw-r--r-- 1 root root 0 11-05 22:05 dir drwxr-xr-x 4 1000 1000 4096 11-02 21:05 doc drwxr-xr-x 3 root root 4096 11-03 16:51 include -rw-r--r-- 1 1000 1000 770 2008-02-22 index.htm -rw-r--r-- 1 1000 1000 5505 10-20 21:20 index.html -rw-r--r-- 1 1000 1000 291 2008-03-27 INSTALL -rw-r--r-- 1 1000 1000 16934 11-01 21:14 Jamroot drwxr-xr-x 2 root root 12288 11-03 17:14 lib drwxr-xr-x 80 1000 1000 4096 11-02 20:53 libs -rw-r--r-- 1 1000 1000 1338 2003-09-30 LICENSE_1_0.txt -rw-r--r-- 1 root root 1026 11-03 19:57 Makefile drwxr-xr-x 4 1000 1000 4096 11-02 20:53 more drwxr-xr-x 2 1000 1000 4096 11-02 20:49 people -rw-r--r-- 1 1000 1000 2610 2008-03-23 rst.css drwxr-xr-x 2 1000 1000 4096 11-02 20:49 status drwxr-xr-x 13 1000 1000 4096 11-02 20:53 tools -rw-r--r-- 1 root root 165 11-03 16:49 user-config.jam -rw-r--r-- 1 root root 113 11-03 16:47 user-config.jam.1 drwxr-xr-x 2 1000 1000 4096 11-02 20:53 wiki ---------------------------------------------------------------------------------- I test the regex library by running the program from the "Getting Started Guide", which links the regex library. I named the program regex.cpp. Following is the cmd I used to compile the program. "c++ -I /usr/local/boost_1_37_0 regex.cpp -o regex /usr/local/boost_1_37_0/lib/libboost_regex-gcc41-mt-1_37.a" There is no error occurs. Then, I write another program trying to use the thread library. I named this program thre.cpp. Following is my program, a very simple one: ----------------------------------------------------------------------------- #include <boost/thread.hpp> #include <iostream> void hello() { std::cout<<std::endl<<"hello world, I'm a thread!"<<std::endl; } int main() { boost::thread thrd(&hello); thrd.join(); return 0; } ------------------------------------------------------------------------------------ Then I compile it use the following cmd, very similar to the previous one " c++ -I /usr/local/boost_1_37_0 thre.cpp -o thre /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a" but I got the following errors: ------------------------------------------------------------------------------------- /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::detail::set_current_thread_data(boost::detail::thread_data_base*)': thread.cpp:(.text+0x12a): undefined reference to `pthread_setspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::detail::(anonymous namespace)::create_current_thread_tls_key()': thread.cpp:(.text+0x146): undefined reference to `pthread_key_create' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::detail::get_current_thread_data()': thread.cpp:(.text+0x173): undefined reference to `pthread_getspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::thread::start_thread()': thread.cpp:(.text+0x648): undefined reference to `pthread_create' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::thread::detach()': thread.cpp:(.text+0x79f): undefined reference to `pthread_detach' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `thread_proxy': thread.cpp:(.text+0x9ce): undefined reference to `pthread_setspecific' thread.cpp:(.text+0xa0d): undefined reference to `pthread_setspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::(anonymous namespace)::make_external_thread_data()': thread.cpp:(.text+0xe84): undefined reference to `pthread_setspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::detail::find_tss_data(void const*)': thread.cpp:(.text+0x1427): undefined reference to `pthread_getspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::this_thread::restore_interruption::~restore_interruption()': thread.cpp:(.text+0x1493): undefined reference to `pthread_getspecific' thread.cpp:(.text+0x14b8): undefined reference to `pthread_getspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::this_thread::restore_interruption::~restore_interruption()': thread.cpp:(.text+0x14f3): undefined reference to `pthread_getspecific' thread.cpp:(.text+0x1518): undefined reference to `pthread_getspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o):thread.cpp:(.text+0x155d): more undefined references to `pthread_getspecific' follow /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::thread::join()': thread.cpp:(.text+0x1be9): undefined reference to `pthread_join' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::detail::set_tss_data(void const*, boost::shared_ptr<boost::detail::tss_cleanup_function>, void*, bool)': thread.cpp:(.text+0x1f5d): undefined reference to `pthread_getspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::detail::get_tss_data(void const*)': thread.cpp:(.text+0x2137): undefined reference to `pthread_getspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::this_thread::disable_interruption::disable_interruption()': thread.cpp:(.text+0x2197): undefined reference to `pthread_getspecific' thread.cpp:(.text+0x21d1): undefined reference to `pthread_getspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::this_thread::disable_interruption::disable_interruption()': thread.cpp:(.text+0x2217): undefined reference to `pthread_getspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o):thread.cpp:(.text+0x2251): more undefined references to `pthread_getspecific' follow /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::thread::timed_join(boost::posix_time::ptime const&)': thread.cpp:(.text+0x237a): undefined reference to `pthread_join' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::condition_variable::timed_wait(boost::unique_lock<boost::mutex>&, boost::posix_time::ptime const&)': thread.cpp:(.text._ZN5boost18condition_variable10timed_waitERNS_11unique_lockINS_5mutexEEERKNS_10posix_time5ptimeE[boost::condition_variable::timed_wait(boost::unique_lock<boost::mutex>&, boost::posix_time::ptime const&)]+0x26): undefined reference to `pthread_getspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(once.o): In function `boost::detail::get_once_per_thread_epoch()': once.cpp:(.text+0x17): undefined reference to `pthread_once' once.cpp:(.text+0x24): undefined reference to `pthread_getspecific' once.cpp:(.text+0x4d): undefined reference to `pthread_setspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(once.o): In function `create_epoch_tss_key': once.cpp:(.text+0x86): undefined reference to `pthread_key_create' collect2: ld 返回 1 ------------------------------------------------------------------------------------- But in fact ,in the lib directory , there exist the thread libs, they are: ------------------------------------------------------------------------------------- /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt.a /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt.so /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.so /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.so.1.37.0 ------------------------------------------------------------------------------------- I also tried another cmds on these two programs, they are: "g++ -o regex -lz regex.cpp /usr/local/boost_1_37_0/lib/libboost_regex-gcc41-mt-1_37.a" "g++ -o thre -lz thre.cpp /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a" the regex cmd runs ok, but the thre cmd again failed. Got the following errors: ------------------------------------------------------------------------------------ thre.cpp:(.text+0xad): undefined reference to `boost::thread::thread(boost::function0<void, std::allocator<boost::function_base> > const&)' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::detail::set_current_thread_data(boost::detail::thread_data_base*)': thread.cpp:(.text+0x12a): undefined reference to `pthread_setspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::detail::(anonymous namespace)::create_current_thread_tls_key()': thread.cpp:(.text+0x146): undefined reference to `pthread_key_create' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::detail::get_current_thread_data()': thread.cpp:(.text+0x173): undefined reference to `pthread_getspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::thread::start_thread()': thread.cpp:(.text+0x648): undefined reference to `pthread_create' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::thread::detach()': thread.cpp:(.text+0x79f): undefined reference to `pthread_detach' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `thread_proxy': thread.cpp:(.text+0x9ce): undefined reference to `pthread_setspecific' thread.cpp:(.text+0xa0d): undefined reference to `pthread_setspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::(anonymous namespace)::make_external_thread_data()': thread.cpp:(.text+0xe84): undefined reference to `pthread_setspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::detail::find_tss_data(void const*)': thread.cpp:(.text+0x1427): undefined reference to `pthread_getspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::this_thread::restore_interruption::~restore_interruption()': thread.cpp:(.text+0x1493): undefined reference to `pthread_getspecific' thread.cpp:(.text+0x14b8): undefined reference to `pthread_getspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::this_thread::restore_interruption::~restore_interruption()': thread.cpp:(.text+0x14f3): undefined reference to `pthread_getspecific' thread.cpp:(.text+0x1518): undefined reference to `pthread_getspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o):thread.cpp:(.text+0x155d): more undefined references to `pthread_getspecific' follow /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::thread::join()': thread.cpp:(.text+0x1be9): undefined reference to `pthread_join' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::detail::set_tss_data(void const*, boost::shared_ptr<boost::detail::tss_cleanup_function>, void*, bool)': thread.cpp:(.text+0x1f5d): undefined reference to `pthread_getspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::detail::get_tss_data(void const*)': thread.cpp:(.text+0x2137): undefined reference to `pthread_getspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::this_thread::disable_interruption::disable_interruption()': thread.cpp:(.text+0x2197): undefined reference to `pthread_getspecific' thread.cpp:(.text+0x21d1): undefined reference to `pthread_getspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::this_thread::disable_interruption::disable_interruption()': thread.cpp:(.text+0x2217): undefined reference to `pthread_getspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o):thread.cpp:(.text+0x2251): more undefined references to `pthread_getspecific' follow /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::thread::timed_join(boost::posix_time::ptime const&)': thread.cpp:(.text+0x237a): undefined reference to `pthread_join' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(thread.o): In function `boost::condition_variable::timed_wait(boost::unique_lock<boost::mutex>&, boost::posix_time::ptime const&)': thread.cpp:(.text._ZN5boost18condition_variable10timed_waitERNS_11unique_lockINS_5mutexEEERKNS_10posix_time5ptimeE[boost::condition_variable::timed_wait(boost::unique_lock<boost::mutex>&, boost::posix_time::ptime const&)]+0x26): undefined reference to `pthread_getspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(once.o): In function `boost::detail::get_once_per_thread_epoch()': once.cpp:(.text+0x17): undefined reference to `pthread_once' once.cpp:(.text+0x24): undefined reference to `pthread_getspecific' once.cpp:(.text+0x4d): undefined reference to `pthread_setspecific' /usr/local/boost_1_37_0/lib/libboost_thread-gcc41-mt-1_37.a(once.o): In function `create_epoch_tss_key': once.cpp:(.text+0x86): undefined reference to `pthread_key_create' collect2: ld 返回 1 --------------------------------------------------------------------------------- I attatched my makefile, hope it give some cues. Thank you for your patience reading so long a post. -- Xiaofeng Liao

2 2

Handling big decimals
by Hakan Calim 05 Nov '08

05 Nov '08

Hallo, does anybody now which libary from boost should I use to handle wirh big decimals like 122186880370525. I have an array with this decimals. I will use this array in a Rayleigh distribution. Which data type can I use? Regards Hakan

3 2

documenting metafunctions
by Noah Roberts 05 Nov '08

05 Nov '08

Looking for ideas for hacking of doxygen comments to make decent metafunction documentation. Anyone have some experience with this?

3 2

[math] typo
by Christian Henning 05 Nov '08

05 Nov '08

Hi there, on the page http://www.boost.org/doc/libs/1_37_0/libs/math/doc/sf_and_dist/html/math_to… Shouldn't be the string "boost::gamma_distribution<>" be "boost::math::gamma_distribution<>"? Christian

2 1

[math] gamma function
by Christian Henning 05 Nov '08

05 Nov '08

Hi there, quick question. I have a gamma function with a shape and scale. To calculate the CDF for a specific probability is easy. BUT, can I somehow do the inverse? I mean calculate the probability from a given CDF? Thanks, Christian

2 1

shared_ptr and Visual Studio 2008 Express SP1
by Sergey Sadovnikov 05 Nov '08

05 Nov '08

Hello All, During migrating my project under new development environment I face out following issue: ambiguous unqualified 'shared_ptr' name resolution. For example in .cpp files I using several usings such as: using namespace std; using namespace std::tr1; using namespace boost; In source code I have something like this: shared_ptr<SomeType> var = /*...*/; And for each such line I have an error: error C2872: 'shared_ptr' : ambiguous symbol could be 'c:\program files\microsoft visual studio 9.0\vc\include\memory(1392) : std::tr1::shared_ptr' or 'c:\program files\microsoft visual studio 9.0\vc\include\memory(1392) : std::tr1::shared_ptr' or 'p:\projects\common\boost_1.36.0\boost\shared_ptr.hpp(165) : boost::shared_ptr' What I have to do to avoid this errors for boost 1.36 except explicit share_ptr qualification? Explicit including of "boost/shared_ptr" or "memory" I already put into #ifdef/#endif braces. But this didn't help. -- Best Regards, Sergey mailto:flex_ferrum@artberg.ru

4 3

Old versions
by Robert Jones 05 Nov '08

05 Nov '08

Is it possible to download tar or zip archives for old versions? eg 1.36.0? - Rob.

2 3

Looking for news about boost.process
by Germain BARRET 05 Nov '08

05 Nov '08

I've found this wonderfull branch of Boost (Boost :: process) : http://www.netbsd.org/~jmmv/process/index.html But I don't find it in 1.35 or in 1.36, what is it begun ??? Has it be renamed ? Has it be removed ? Why ? When will it be integrated ? Thanks

4 6

[boost 1.36]: Problems with bjam option --buildid
by Daniel Krügler 05 Nov '08

05 Nov '08

Hello, a colleague of mine currently checks whether transition to boost 1.36 (or upcoming 1.37) would be feasible for us. Still being on 1.33.1, we manipulated the bjam files to realize something that we hope can now be done with the build option --buildid using the *non-manipulated* bjam files. A recent test using the command line bjam --build-dir=XX --buildid=asdf --toolset=msvc --build-type=complete stage where XX corresponds to a valid path causes a quick bjam build error (but removing the part " --buildid=asdf" works fine), as shown below. Let me add that the used bjam.exe was created based on the sources provided by the very same boost 1.36 (build.bat). Does anyone have an idea what's going wrong here? Thanks & Greetings from Bremen, Daniel "warning: Graph library does not contain optional GraphML reader. note: to enable GraphML support, set EXPAT_INCLUDE and EXPAT_LIBPATH to the [..] Skipping build of: libs/python/build/boost_python <build>no in common properties E:/sources/ntb/boost_1_36_0/tools/build/v2/build\virtual-target.jam:1032: in virtual-target.register-actual-name from module virtual-target error: Duplicate name of actual target: <pstage\lib>libexact.lib error: previous virtual target { symlink%symlink.ln-libexact.lib.STATIC_LIB { common%common.copy-libboost_test_exec_monitor-vc90-sgd-1_36-asdf.lib.STATIC_LIB { msvc%msvc.archive-libboost_test_exec_monitor-vc90-sgd-1_36-asdf.lib.STATIC_LIB { msvc%msvc.compile.c++-execution_monitor.obj.OBJ { execution_monitor.cpp.CPP } } { msvc%msvc.compile.c++-debug.obj.OBJ { debug.cpp.CPP } } { msvc%msvc.compile.c++-compiler_log_formatter.obj.OBJ { compiler_log_formatter.cpp.CPP } } { msvc%msvc.compile.c++-framework.obj.OBJ { framework.cpp.CPP } } { msvc%msvc.compile.c++-plain_report_formatter.obj.OBJ { plain_report_formatter.cpp.CPP } } { msvc%msvc.compile.c++-progress_monitor.obj.OBJ { progress_monitor.cpp.CPP } } { msvc%msvc.compile.c++-results_collector.obj.OBJ { results_collector.cpp.CPP } } { msvc%msvc.compile.c++-results_reporter.obj.OBJ { results_reporter.cpp.CPP } } { msvc%msvc.compile.c++-test_main.obj.OBJ { test_main.cpp.CPP } } { msvc%msvc.compile.c++-test_tools.obj.OBJ { test_tools.cpp.CPP } } { msvc%msvc.compile.c++-unit_test_log.obj.OBJ { unit_test_log.cpp.CPP } } { msvc%msvc.compile.c++-unit_test_main.obj.OBJ { unit_test_main.cpp.CPP } } { msvc%msvc.compile.c++-unit_test_monitor.obj.OBJ { unit_test_monitor.cpp.CPP } } { msvc%msvc.compile.c++-unit_test_parameters.obj.OBJ { unit_test_parameters.cpp.CPP } } { msvc%msvc.compile.c++-unit_test_suite.obj.OBJ { unit_test_suite.cpp.CPP } } { msvc%msvc.compile.c++-xml_log_formatter.obj.OBJ { xml_log_formatter.cpp.CPP } } { msvc%msvc.compile.c++-xml_report_formatter.obj.OBJ { xml_report_formatter.cpp.CPP } } } } } error: created from ./stage-unversioned error: another virtual target { symlink%symlink.ln-libexact.lib.STATIC_LIB { common%common.copy-libboost_unit_test_framework-vc90-sgd-1_36-asdf.lib.STATIC_LIB { msvc%msvc.archive-libboost_unit_test_framework-vc90-sgd-1_36-asdf.lib.STATIC_LIB { msvc%msvc.compile.c++-execution_monitor.obj.OBJ { execution_monitor.cpp.CPP } } { msvc%msvc.compile.c++-debug.obj.OBJ { debug.cpp.CPP } } { msvc%msvc.compile.c++-compiler_log_formatter.obj.OBJ { compiler_log_formatter.cpp.CPP } } { msvc%msvc.compile.c++-framework.obj.OBJ { framework.cpp.CPP } } { msvc%msvc.compile.c++-plain_report_formatter.obj.OBJ { plain_report_formatter.cpp.CPP } } { msvc%msvc.compile.c++-progress_monitor.obj.OBJ { progress_monitor.cpp.CPP } } { msvc%msvc.compile.c++-results_collector.obj.OBJ { results_collector.cpp.CPP } } { msvc%msvc.compile.c++-results_reporter.obj.OBJ { results_reporter.cpp.CPP } } { msvc%msvc.compile.c++-test_tools.obj.OBJ { test_tools.cpp.CPP } } { msvc%msvc.compile.c++-unit_test_log.obj.OBJ { unit_test_log.cpp.CPP } } { msvc%msvc.compile.c++-unit_test_main.obj.OBJ { unit_test_main.cpp.CPP } } { msvc%msvc.compile.c++-unit_test_monitor.obj.OBJ { unit_test_monitor.cpp.CPP } } { msvc%msvc.compile.c++-unit_test_parameters.obj.OBJ { unit_test_parameters.cpp.CPP } } { msvc%msvc.compile.c++-unit_test_suite.obj.OBJ { unit_test_suite.cpp.CPP } } { msvc%msvc.compile.c++-xml_log_formatter.obj.OBJ { xml_log_formatter.cpp.CPP } } { msvc%msvc.compile.c++-xml_report_formatter.obj.OBJ { xml_report_formatter.cpp.CPP } } { msvc%msvc.compile.c++-exception_safety.obj.OBJ { exception_safety.cpp.CPP } } { msvc%msvc.compile.c++-interaction_based.obj.OBJ { interaction_based.cpp.CPP } } { msvc%msvc.compile.c++-logged_expectations.obj.OBJ { logged_expectations.cpp.CPP } } } } } error: created from ./stage-unversioned error: added properties: none error: removed properties: none E:/sources/ntb/boost_1_36_0/tools/build/v2/build\virtual-target.jam:468: in actualize-no-scanner from module object(file-target)@10251 E:/sources/ntb/boost_1_36_0/tools/build/v2/build\virtual-target.jam:123: in object(file-target)(a)10251.actualize from module object(file-target)@10251 E:/sources/ntb/boost_1_36_0/tools/build/v2\build-system.jam:681: in load from module build-system E:\sources\ntb\boost_1_36_0\tools\build\v2/kernel\modules.jam:281: in import from module modules E:\sources\ntb\boost_1_36_0\tools\build\v2/kernel/bootstrap.jam:128: in boost-build from module E:\sources\ntb\boost_1_36_0\boost-build.jam:16: in module scope from module "

2 6

problems with boost in eclipse
by Z. S. O. 05 Nov '08

05 Nov '08

Hello -- I extracted Boost.Filesystem using the BCP tool, so I could add it to my Xcode project without having to precompile. It worked great! Only problem is that I decided to move my project to Eclipse. Now, when I compile, I keep getting the following error: Description: 'BOOST_UTF8_BEGIN_NAMESPACE' does not name a type Resource: boost/libs/detail/utf8_codecvt_facet.cpp Anyone know how I might try to get this to work in Eclipse? Thank you so much in advance.

3 5

[asio] question about binding member function as WaitHandler
by eburkitt＠gmail.com 05 Nov '08

05 Nov '08

The documentation's example 4 uses boost::bind to create a handler for deadline_timer::async_wait(). The function bound, printer::print(), takes no parameter and the code compiles and works fine. I tried modifying the example so that, instead of creating a new, temporary function object in place for each call to async_wait(), it creates a single boost::function object as a data member in the ctor, which is then passed in each call. Using MSVS 2005 and boost 1.37 I found that I had to add a boost::system::error_code& parameter to print() in order to get it to compile. Here is my modified printer class, with both the non-working (version 1) and working (version 2) code to, I hope, make this clearer. class printer { public: printer(boost::asio::io_service& io) : timer_(io, boost::posix_time::seconds(1)), // timer_fn_(boost::bind(&printer::print, this)), //**version 1 timer_fn_(boost::bind(&printer::print, this, _1)), //**version 2 count_(0) { timer_.async_wait(timer_fn_); } ~printer() { std::cout << "Final count is " << count_ << "\n"; } //void print() //**version 1 void print(const boost::system::error_code& /*e*/) //**version 2 { if (count_ < 5) { std::cout << count_ << "\n"; ++count_; timer_.expires_at(timer_.expires_at() + boost::posix_time::seconds(1)); timer_.async_wait(timer_fn_); } } private: //typedef boost::function<void(void)> timer_fn_type; //**version 1 typedef boost::function<void(const boost::system::error_code&)> timer_fn_type; //**version 2 boost::asio::deadline_timer timer_; timer_fn_type timer_fn_; int count_; }; The error report for version 1 is "term does not evaluate to a function taking 1 arguments" at boost/asio/detail/bind_handler.hpp line 39. I can see why version 1 won't compile. What I don't understand is why the original example, with its in-place function objects, does. Thanks for any insight. -evan

2 1

boost 1.37.0 problem with mpl
by Andrew Maclean 05 Nov '08

05 Nov '08

I successfully built release/debug versions and installed boost-1_37 under Windows Vista, Visual C++ 9.0 SP1. I use the following command: bjam --toolset=msvc --build-type=complete stage install However when I am using UBLAS, I get the following error: Error 1 fatal error C1083: Cannot open include file: 'boost/mpl/vector/aux_/preprocessed/plain/vector20.hpp': No such file or directory C:\Boost\include\boost-1_37\boost\mpl\vector\aux_\include_preprocessed.hpp 49 I checked 'boost/mpl/vector/aux_/preprocessed/plain/ and here is a listing of the files there: Directory of C:\Boost\include\boost-1_37\boost\mpl\vector\aux_\preprocessed\plain 05/11/2008 14:27 <DIR> . 05/11/2008 14:27 <DIR> .. 02/09/2004 11:41 19,378 vector10.hpp 28/11/2004 01:50 3,415 vector10_c.hpp 28/11/2004 01:50 6,556 vector20_c.hpp 02/09/2004 11:41 52,729 vector30.hpp 28/11/2004 01:50 9,747 vector30_c.hpp 02/09/2004 11:41 69,549 vector40.hpp 28/11/2004 01:50 12,937 vector40_c.hpp 02/09/2004 11:41 86,369 vector50.hpp 28/11/2004 01:50 16,136 vector50_c.hpp 10 File(s) 276,816 bytes As you can see, vector20.hpp is missing. Is tthis a legitimate problem or have I not built something correctly? Thanks for any help Andrew -- ___________________________________________ Andrew J. P. Maclean Centre for Autonomous Systems The Rose Street Building J04 The University of Sydney 2006 NSW AUSTRALIA Ph: +61 2 9351 3283 Fax: +61 2 9351 7474 URL: http://www.acfr.usyd.edu.au/ ___________________________________________

2 3

build boost library
by James Peng 05 Nov '08

05 Nov '08

Want to use Boost in our projects. We are using Fedora linux. I know Fedora has included Boost in its distribution but I plan to have my project only use the Boost lib included in my project resource tree but not the one included in the OS. That is I plan to have my project totally self-contained without any dependence on OS in terms of Boost lib. What's the right way to do that? Any input will be appreciated. thanks, James

2 1

boost.python / bjam
by Mark Williams 05 Nov '08

05 Nov '08

Hi, is it possible to build boost.python such that the python version gets embedded in the .so name along with the compiler name, version, multithread flags, etc? For example, "libboost_python25-gcc41-mt-1_35.so" instead of "libboost_python-gcc41-mt-1_35.so" Alternatively, is it possible to build it without the embedded SONAME so that it can be renamed afterwards? Thanks in advance, Mark

1 0

[serialization] Polymorphism?
by Robert Dailey 05 Nov '08

05 Nov '08

Hi, I have a class named Bar which derives from a class named Foo. Both Foo and Bar are serializable, and thus they both have the respective serialize() functions. However, if I do the following, you will not get a polymorphic call since you cannot have virtual template members in a class (The serialize() function must be a template according to the Boost.Serialization docs). Foo* f = new Bar; f->serialize(); Note that you wouldn't call serialize() directly like this, I'm simply doing it to prove a point. At some point Boost.Serialization is going to want to call the Serialize() function off of my Foo object, however it will not call Bar::serialize() as I would expect since I cannot make serialize() virtual. How would I provide polymorphic serialization of objects in Boost.Serialization? Thanks.

2 1

Building boost 1.37 (Regex with ICU) problem with MSVC9 x64
by KTC 04 Nov '08

04 Nov '08

Hi, I am unable to cleanly fully build boost 1.37 with ICU for regex for x64 on Windows with MSVC++ 2008. I first tried building with MSVS 2008 SP1 on Windows XP SP3 with ICU 4.0. Building x86 versions first, there were a number of link error, so I (copy & then) renamed icudt.lib, icuin.lib, icuind.lib, and icuind.pdb to icudata.lib & icui18n* as a comment suggested on a website I found via Google. That fixed the x86 errors. I did the same with the x64 ICU files, and try building, but got 4 link errors. D:\boost_1_37_0>bjam --without-mpi --toolset=msvc --build-dir=x64 --build-type=complete -sHAVE_ICU=1 -sICU_PATH="...." stage Because I had a few post-building error cross building ICU to x64 as it runs some build'd .exe that obviously can't run on x86 Windows, I preceeded to try building Boost.Regex on Windows XP x64 SP2 (running inside VMWare), again with MSVS 2008 SP1. Cleanly build ICU 4.0, copy & renamed the libs as above, before building: C:\boost_1_37_0>bjam --with-regex --toolset=msvc --build-type=complete -sHAVE_ICU=1 -sICU_PATH="C:\icu" stage The errors that resulted are essentially the same as before. Any help would be appericated. Thanks. KTC -------- WARNING: No python installation configured and autoconfiguration failed. See http://www.boost.org/libs/python/doc/building.html for configuration instructions or pass --without-python to suppress this message and silently skip all Boost.Python targets Note: Building Boost.Regex with Unicode/ICU support enabled Using ICU in C:\icu/include Skipping build of: ./stage <build>no in common properties Skipping build of: ./stage <build>no in common properties Skipping build of: ./stage <build>no in common properties Skipping build of: ./stage <build>no in common properties Skipping build of: libs/regex/build/icucore <build>no in common properties Skipping build of: libs/regex/build/icuin <build>no in common properties Skipping build of: libs/regex/build/icudata <build>no in common properties Skipping build of: libs/regex/build/icucore <build>no in common properties Skipping build of: libs/regex/build/icuin <build>no in common properties Skipping build of: libs/regex/build/icudata <build>no in common properties Skipping build of: libs/regex/build/icucore <build>no in common properties Skipping build of: libs/regex/build/icuin <build>no in common properties Skipping build of: libs/regex/build/icudata <build>no in common properties Skipping build of: libs/regex/build/icucore <build>no in common properties Skipping build of: libs/regex/build/icuin <build>no in common properties Skipping build of: libs/regex/build/icudata <build>no in common properties ...patience... ...found 704 targets... ...updating 10 targets... msvc.link.dll bin.v2\libs\regex\build\msvc-9.0\debug\threading-multi\boost_regex-vc90-mt-gd-1_37.dll Creating library bin.v2\libs\regex\build\msvc-9.0\debug\threading-multi\boost_regex-vc90-mt-gd-1_37.lib and object bin.v2\libs\regex\build\msvc-9.0\debug\threading-multi\boost_regex-vc90-mt-gd-1_37.exp icu.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: virtual __thiscall icu_4_0::Locale::~Locale(void)" (__imp_??1Locale@icu_4_0@@UAE@XZ) referenced in function __unwindfunclet$??0icu_regex_traits_implementation@re_detail@boost@@QAE@ABVLocale@icu_4_0@@@Z$0 icu.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: static class icu_4_0::Collator * __cdecl icu_4_0::Collator::createInstance(class icu_4_0::Locale const &,enum UErrorCode &)" (__imp_?createInstance@Collator@icu_4_0@@SAPAV12@ABVLocale@2@AAW4UErrorCode@@@Z) referenced in function "public: __thiscall boost::re_detail::icu_regex_traits_implementation::icu_regex_traits_implementation(class icu_4_0::Locale const &)" (??0icu_regex_traits_implementation@re_detail@boost@@QAE@ABVLocale@icu_4_0@@@Z) icu.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: __thiscall icu_4_0::Locale::Locale(class icu_4_0::Locale const &)" (__imp_??0Locale@icu_4_0@@QAE@ABV01@@Z) referenced in function "public: __thiscall boost::re_detail::icu_regex_traits_implementation::icu_regex_traits_implementation(class icu_4_0::Locale const &)" (??0icu_regex_traits_implementation@re_detail@boost@@QAE@ABVLocale@icu_4_0@@@Z) icu.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: __thiscall icu_4_0::Locale::Locale(void)" (__imp_??0Locale@icu_4_0@@QAE@XZ) referenced in function "public: __thiscall boost::icu_regex_traits::icu_regex_traits(void)" (??0icu_regex_traits@boost@@QAE@XZ) icu.obj : error LNK2019: unresolved external symbol _u_tolower_4_0 referenced in function "public: unsigned __int64 __thiscall boost::icu_regex_traits::lookup_classname(int const *,int const *)const " (?lookup_classname@icu_regex_traits@boost@@QBE_KPBH0@Z) icu.obj : error LNK2019: unresolved external symbol _u_toupper_4_0 referenced in function "public: int __thiscall boost::icu_regex_traits::toupper(int)const " (?toupper@icu_regex_traits@boost@@QBEHH@Z) icu.obj : error LNK2019: unresolved external symbol _u_digit_4_0 referenced in function "public: bool __thiscall boost::icu_regex_traits::isctype(int,unsigned __int64)const " (?isctype@icu_regex_traits@boost@@QBE_NH_K@Z) icu.obj : error LNK2019: unresolved external symbol _u_isspace_4_0 referenced in function "public: unsigned __int64 __thiscall boost::icu_regex_traits::lookup_classname(int const *,int const *)const " (?lookup_classname@icu_regex_traits@boost@@QBE_KPBH0@Z) icu.obj : error LNK2019: unresolved external symbol _u_charFromName_4_0 referenced in function "public: class std::vector<int,class std::allocator<int> > __thiscall boost::icu_regex_traits::lookup_collatename(int const *,int const *)const " (?lookup_collatename@icu_regex_traits@boost@@QBE?AV?$vector@HV?$allocator@H@std@@@std@@PBH0@Z) icu.obj : error LNK2019: unresolved external symbol _u_isblank_4_0 referenced in function "public: bool __thiscall boost::icu_regex_traits::isctype(int,unsigned __int64)const " (?isctype@icu_regex_traits@boost@@QBE_NH_K@Z) icu.obj : error LNK2019: unresolved external symbol _u_charType_4_0 referenced in function "public: bool __thiscall boost::icu_regex_traits::isctype(int,unsigned __int64)const " (?isctype@icu_regex_traits@boost@@QBE_NH_K@Z) bin.v2\libs\regex\build\msvc-9.0\debug\threading-multi\boost_regex-vc90-mt-gd-1_37.dll : fatal error LNK1120: 11 unresolved externals call "C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\vcvarsall.bat" x86 >nul link /NOLOGO /INCREMENTAL:NO /DLL /DEBUG /subsystem:console /out:"bin.v2\libs\regex\build\msvc-9.0\debug\threading-multi\boost_regex-vc90-mt-gd-1_37.dll" /IMPLIB:"bin.v2\libs\regex\build\msvc-9.0\debug\threading-multi\boost_regex-vc90-mt-gd-1_37.lib" /LIBPATH:"C:\icu\lib" @"bin.v2\libs\regex\build\msvc-9.0\debug\threading-multi\boost_regex-vc90-mt-gd-1_37.dll.rsp" if %ERRORLEVEL% NEQ 0 EXIT %ERRORLEVEL% if exist "bin.v2\libs\regex\build\msvc-9.0\debug\threading-multi\boost_regex-vc90-mt-gd-1_37.dll.manifest" ( mt -nologo -manifest "bin.v2\libs\regex\build\msvc-9.0\debug\threading-multi\boost_regex-vc90-mt-gd-1_37.dll.manifest" "-outputresource:bin.v2\libs\regex\build\msvc-9.0\debug\threading-multi\boost_regex-vc90-mt-gd-1_37.dll;2" ) ...failed msvc.link.dll bin.v2\libs\regex\build\msvc-9.0\debug\threading-multi\boost_regex-vc90-mt-gd-1_37.dll bin.v2\libs\regex\build\msvc-9.0\debug\threading-multi\boost_regex-vc90-mt-gd-1_37.lib... ...removing bin.v2\libs\regex\build\msvc-9.0\debug\threading-multi\boost_regex-vc90-mt-gd-1_37.lib ...skipped <pstage\lib>boost_regex-vc90-mt-gd-1_37.dll for lack of <pbin.v2\libs\regex\build\msvc-9.0\debug\threading-multi>boost_regex-vc90-mt-gd-1_37.dll... ...skipped <pstage\lib>boost_regex-vc90-mt-gd-1_37.lib for lack of <pbin.v2\libs\regex\build\msvc-9.0\debug\threading-multi>boost_regex-vc90-mt-gd-1_37.lib... ...skipped <pstage\lib>boost_regex-vc90-mt-gd.lib for lack of <pstage\lib>boost_regex-vc90-mt-gd-1_37.lib... msvc.link.dll bin.v2\libs\regex\build\msvc-9.0\release\threading-multi\boost_regex-vc90-mt-1_37.dll Creating library bin.v2\libs\regex\build\msvc-9.0\release\threading-multi\boost_regex-vc90-mt-1_37.lib and object bin.v2\libs\regex\build\msvc-9.0\release\threading-multi\boost_regex-vc90-mt-1_37.exp icu.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: __thiscall icu_4_0::Locale::Locale(class icu_4_0::Locale const &)" (__imp_??0Locale@icu_4_0@@QAE@ABV01@@Z) referenced in function "public: class icu_4_0::Locale __thiscall boost::re_detail::icu_regex_traits_implementation::getloc(void)const " (?getloc@icu_regex_traits_implementation@re_detail@boost@@QBE?AVLocale@icu_4_0@@XZ) icu.obj : error LNK2019: unresolved external symbol _u_tolower_4_0 referenced in function "public: int __thiscall boost::icu_regex_traits::translate_nocase(int)const " (?translate_nocase@icu_regex_traits@boost@@QBEHH@Z) icu.obj : error LNK2019: unresolved external symbol _u_toupper_4_0 referenced in function "public: int __thiscall boost::icu_regex_traits::toupper(int)const " (?toupper@icu_regex_traits@boost@@QBEHH@Z) icu.obj : error LNK2019: unresolved external symbol _u_digit_4_0 referenced in function "public: int __thiscall boost::icu_regex_traits::value(int,int)const " (?value@icu_regex_traits@boost@@QBEHHH@Z) icu.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: __thiscall icu_4_0::Locale::Locale(void)" (__imp_??0Locale@icu_4_0@@QAE@XZ) referenced in function "public: class icu_4_0::Locale __thiscall boost::icu_regex_traits::getloc(void)const " (?getloc@icu_regex_traits@boost@@QBE?AVLocale@icu_4_0@@XZ) icu.obj : error LNK2019: unresolved external symbol _u_isspace_4_0 referenced in function "public: bool __thiscall boost::icu_regex_traits::isctype(int,unsigned __int64)const " (?isctype@icu_regex_traits@boost@@QBE_NH_K@Z) icu.obj : error LNK2019: unresolved external symbol _u_isblank_4_0 referenced in function "public: bool __thiscall boost::icu_regex_traits::isctype(int,unsigned __int64)const " (?isctype@icu_regex_traits@boost@@QBE_NH_K@Z) icu.obj : error LNK2019: unresolved external symbol _u_charType_4_0 referenced in function "public: bool __thiscall boost::icu_regex_traits::isctype(int,unsigned __int64)const " (?isctype@icu_regex_traits@boost@@QBE_NH_K@Z) icu.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: virtual __thiscall icu_4_0::Locale::~Locale(void)" (__imp_??1Locale@icu_4_0@@UAE@XZ) referenced in function "public: __thiscall boost::re_detail::icu_regex_traits_implementation::~icu_regex_traits_implementation(void)" (??1icu_regex_traits_implementation@re_detail@boost@@QAE@XZ) icu.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: static class icu_4_0::Collator * __cdecl icu_4_0::Collator::createInstance(class icu_4_0::Locale const &,enum UErrorCode &)" (__imp_?createInstance@Collator@icu_4_0@@SAPAV12@ABVLocale@2@AAW4UErrorCode@@@Z) referenced in function "public: __thiscall boost::re_detail::icu_regex_traits_implementation::icu_regex_traits_implementation(class icu_4_0::Locale const &)" (??0icu_regex_traits_implementation@re_detail@boost@@QAE@ABVLocale@icu_4_0@@@Z) icu.obj : error LNK2019: unresolved external symbol _u_charFromName_4_0 referenced in function "public: class std::vector<int,class std::allocator<int> > __thiscall boost::icu_regex_traits::lookup_collatename(int const *,int const *)const " (?lookup_collatename@icu_regex_traits@boost@@QBE?AV?$vector@HV?$allocator@H@std@@@std@@PBH0@Z) bin.v2\libs\regex\build\msvc-9.0\release\threading-multi\boost_regex-vc90-mt-1_37.dll : fatal error LNK1120: 11 unresolved externals call "C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\vcvarsall.bat" x86 >nul link /NOLOGO /INCREMENTAL:NO /DLL /subsystem:console /out:"bin.v2\libs\regex\build\msvc-9.0\release\threading-multi\boost_regex-vc90-mt-1_37.dll" /IMPLIB:"bin.v2\libs\regex\build\msvc-9.0\release\threading-multi\boost_regex-vc90-mt-1_37.lib" /LIBPATH:"C:\icu\lib" @"bin.v2\libs\regex\build\msvc-9.0\release\threading-multi\boost_regex-vc90-mt-1_37.dll.rsp" if %ERRORLEVEL% NEQ 0 EXIT %ERRORLEVEL% if exist "bin.v2\libs\regex\build\msvc-9.0\release\threading-multi\boost_regex-vc90-mt-1_37.dll.manifest" ( mt -nologo -manifest "bin.v2\libs\regex\build\msvc-9.0\release\threading-multi\boost_regex-vc90-mt-1_37.dll.manifest" "-outputresource:bin.v2\libs\regex\build\msvc-9.0\release\threading-multi\boost_regex-vc90-mt-1_37.dll;2" ) ...failed msvc.link.dll bin.v2\libs\regex\build\msvc-9.0\release\threading-multi\boost_regex-vc90-mt-1_37.dll bin.v2\libs\regex\build\msvc-9.0\release\threading-multi\boost_regex-vc90-mt-1_37.lib... ...removing bin.v2\libs\regex\build\msvc-9.0\release\threading-multi\boost_regex-vc90-mt-1_37.lib ...skipped <pstage\lib>boost_regex-vc90-mt-1_37.dll for lack of <pbin.v2\libs\regex\build\msvc-9.0\release\threading-multi>boost_regex-vc90-mt-1_37.dll... ...skipped <pstage\lib>boost_regex-vc90-mt-1_37.lib for lack of <pbin.v2\libs\regex\build\msvc-9.0\release\threading-multi>boost_regex-vc90-mt-1_37.lib... ...skipped <pstage\lib>boost_regex-vc90-mt.lib for lack of <pstage\lib>boost_regex-vc90-mt-1_37.lib... ...failed updating 4 targets... ...skipped 6 targets... -- Experience is a good school but the fees are high. - Heinrich Heine

1 1

[spirit][iterator] position_iterator regression in 1.37.0
by Rainer Deyke 04 Nov '08

04 Nov '08

When using this type: boost::spirit::position_iterator<std::string::const_iterator> I get a static assertion failure: ..\..\lib\boost_1_37_0\boost/iterator/iterator_adaptor.hpp(230) : error C2027: u se of undefined type 'boost::STATIC_ASSERTION_FAILURE<x>' with [ x=false ] ..\..\lib\boost_1_37_0\boost/iterator/iterator_adaptor.hpp(335) : see re ference to function template instantiation 'void boost::detail::iterator_adaptor _assert_traversal<boost::forward_traversal_tag,boost::random_access_traversal_ta g>(void)' being compiled ..\..\lib\boost_1_37_0\boost/iterator/iterator_adaptor.hpp(334) : while compiling class template member function 'void boost::iterator_adaptor<Derived,B ase,Value,Traversal>::advance(__w64 int)' with [ Derived=boost::spirit::position_iterator<std::_String_const_iterator <char,std::char_traits<char>,std::allocator<char>>>, Base=std::_String_const_iterator<char,std::char_traits<char>,std::al locator<char>>, Value=const char, Traversal=boost::forward_traversal_tag ] ..\..\lib\boost_1_37_0\boost/spirit/home/classic/iterator/position_itera tor.hpp(156) : see reference to class template instantiation 'boost::iterator_ad aptor<Derived,Base,Value,Traversal>' being compiled with [ Derived=boost::spirit::position_iterator<std::_String_const_iterator <char,std::char_traits<char>,std::allocator<char>>>, Base=std::_String_const_iterator<char,std::char_traits<char>,std::al locator<char>>, Value=const char, Traversal=boost::forward_traversal_tag ] source/eldwood/core/lexer.cpp(81) : see reference to class template inst antiation 'boost::spirit::position_iterator<ForwardIteratorT>' being compiled with [ ForwardIteratorT=std::_String_const_iterator<char,std::char_traits<c har>,std::allocator<char>> ] This is triggered on a simple function declaration taking a position_iterator as argument, using MSVC8.0 Express on Windows XP. It worked under Boost 1.36.0. -- Rainer Deyke - rainerd(a)eldwood.com

2 2

Boost.MPI problems with non-PODs
by Steve Nolen 04 Nov '08

04 Nov '08

I am having some problems getting boost::mpi working with our local installation of openmpi 1.2.3 here at Los Alamos. I am able to send POD's through the interface, but it fails sending anything more complicated (i.e. std::string). Have I missed some step in the process? I get the following error when I tried the 2nd example from the on-line Tutorial ... terminate called after throwing an instance of 'boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<boost::mpi::exception> >' what(): MPI_Alloc_mem: MPI_ERR_NO_MEM: out of memory Also, I was unable to build a single threaded version of libboost_mpi which struck me as odd. Any assistance would be greatly appreciated. compiler: g++ (GCC) 3.4.5 20051201 (Red Hat 3.4.5-2) Using... /usr/projects/mcatk/packages/lib/libboost_mpi-gcc34-mt-1_36.so.1.36.0

1 0

[ASIO] Thread safety of socket.write_some & socket.read_some
by James12 04 Nov '08

04 Nov '08

Hi, I'm a beginner in using boost asio library (and coding c++ too :). I am currently trying to code a simple application that handles some communication with a server through TCP/IP connection. My I/O Class has two threads that use synchronous socket operations on the same socket (which is a member of the class) Main thread: CApplication::Close() - socket.close() CApplication::Open() - socket.open(boost::asio::ip::tcp::v4()); - socket.write_some(boost::asio::buffer(initial_command)); - socket.read_some(boost::asio::buffer(initial_command_reply)); CApplication::Write(data from another class) - m_Socket.write_some Workerthread: CApplication::thread_Run() do { - socket.read_some(boost::asio::buffer((void *)&character, 1)); - package bytes to messages and pass them on to another class } while (!bClosed) My question is that is it safe to call write_some and read_some from different threads without synchronization. The application is now working w/o problems but I need to be sure that this is a safe way to do this before continuing development. Thanks for your reply, James -- View this message in context: http://www.nabble.com/-ASIO--Thread-safety-of-socket.write_some---socket.re… Sent from the Boost - Users mailing list archive at Nabble.com.

2 6

[asio] synchronous mode, timeouts and boost::thread
by Ovanes Markarian 04 Nov '08

04 Nov '08

Hello *, asio (at least in boost release 1.35) does not support timeouts on synchronous socket operations. What happens if I start a sync read operation from a separate boost thread and interrupt the thread after some certain period of time? This worked fine with gcc 4.3 on a 32 bit Gentoo Linux, but I would like to know if this is a bad style to make so. I understand that a thread must be in one of the interruptable states. Many thanks, Ovanes Markarian

1 0