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Embedded python using boost
by Shane Kruk 03 Dec '11

03 Dec '11

I'm in the process of learning python, and embedding python into C++. I know very little about python so I've been playing around with many different types of interfaces and API's, with varying degrees of successes and failures. What I'm currently working on is the boost interface with C++. I am, however, stuck, for lack of a better word. Since the system I'm playing on is at work and on an isolated network, I do not have the ability to post the code directly to this forum. As such, I was able to print a copy of some experimental code, brought it home, and scanned it into a PDF file. I've attached the file(s) containing the code. If someone could please take a look at it and provide some advice as to what my problems are, it would be greatly appreciated. You'll notice some lines commented out as I've been experimenting with different things in an attempt to get something to work. My main problem at the moment is that the functions import(), eval(), and exec() cannot be found by the compiler. I get compiler errors indicating they are not declared in scope. I'm running on a redhat linux system (5.4) with a 1.33.1 version of boost. Python is version 2.4. I forgot to check the GNU C++ compiler version, but I'm guessing that probably doesn't matter.

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boost::posix_time::time_period - how to round seconds?
by qplace 03 Dec '11

03 Dec '11

I am building intervals using 0.5h increments (1800sec) in a cycle. The interval length is 1800sec also 8:30 am is used as start date. last of my interval looks like this: [2009-Apr-07 14:30:00/2009-Apr-07 14:59:59.999999] because of this weired endpoint my data with the timestamp of Apr-07 15:00:0000 does not fit into the interval How can I fix the interval to be [2009-Apr-07 14:30:00/2009-Apr-07 15:00:000000] ? Thanks

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[thread] Reducing the number of open tickets.
by Vicente J. Botet Escriba 03 Dec '11

03 Dec '11

Hi, I have committed the following tickets in trunk. Fixed Bugs: * [@http://svn.boost.org/trac/boost/ticket/2639 #2639] documentation should be extended(defer_lock, try_to_lock, ...). * [@http://svn.boost.org/trac/boost/ticket/3762 #3762] Thread can't be compiled with winscw (Codewarrior by Nokia). * [@http://svn.boost.org/trac/boost/ticket/3885 #3885] document about mix usage of boost.thread and native thread api. * [@http://svn.boost.org/trac/boost/ticket/3975 #3975] Incorrect precondition for promise::set_wait_callback(). * [@http://svn.boost.org/trac/boost/ticket/4480 #4480] OpenVMS patches for compiler issues workarounds. * [@http://svn.boost.org/trac/boost/ticket/4819 #4819] boost.thread's documentation misprints. * [@http://svn.boost.org/trac/boost/ticket/5423 #5423] thread issues with C++0x. * [@http://svn.boost.org/trac/boost/ticket/5739 #5739] set-but-not-used warnings with gcc-4.6 * [@http://svn.boost.org/trac/boost/ticket/6168 #6168] recursive_mutex is using wrong config symbol (possible typo). * [@http://svn.boost.org/trac/boost/ticket/6200 #6200] patch to have condition_variable and mutex error better handle EINTR. These are tickets with a simple solution or that had associated a complete patch or a clear solution. Anthony I would prefer that you do the merge so that you can check what goes on the release version. I have not closed the tickets. These tickets have just release 1.49 as Milestone. Please, close them when you merge to release. There were 113 tickets two days ago. There are now 114 tickets associated to Boost.Thread. I have closed some duplicates, but some news tickets have been created since. I would like to reduce by 10% the number of tickets every month. I encourage the Boost users that have created tickets for Boost to provide a clear an complete patch when possible so that we can reduce together the number of tickets associated to this Boost library and make it more portable/usable. Don't forget to provide tests that make evident the bug, or to add doc when you are proposing a anew feature. There are a lot of tickets associated to move semantics emulation. I have created a ticket to adapt Boost.Thread to Boost.Move hoping most of these bugs will be solved. As posted in another thread there is already a patch using Boost.Move that could be a good starting point. Of course the help offered by Ion will be too much appreciated. I have created another to adapt the interface to Boost.Chrono, but I will prefer to take care of this once the one for Boost.Move adaptation is committed, as the chance of collisions is big. On the mean time I will continue with some tickets specific to Windows platform. Best, Vicente

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[GIL] Saving DPI in PNG files
by PB 02 Dec '11

02 Dec '11

Hello, Is it possible to state a DPI setting when saving a PNG file using Boost' Generic Image Library? Thanks, Pete

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[serialization] Warning "type qualifier is meaningless on cast type" in extended_type_info_typeid.hpp
by Patrik Jonsson 02 Dec '11

02 Dec '11

Hi, When I compile code that uses the 1.48.0 serialization library with icpc 12.3.174, I get this warning, along with screenfuls of instantiation context: /n/home00/pjonsson/include/boost/serialization/extended_type_info_typeid.hpp(134): warning #191: type qualifier is meaningless on cast type static_cast<T const * const>(p) ^ This is the offending code: virtual void destroy(void const * const p) const { boost::serialization::access::destroy( static_cast<T const * const>(p) ); The compiler is complaining (correctly, I think) that you can't dictate whether something returned by value (here, the T const *) is const or not. Changing the cast to: static_cast<T const *>(p) makes the warning go away. Perhaps someone can make this change? Regards, /Patrik J.

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C0x11 threading capabilities
by Erotavlas_turbo＠libero.it 02 Dec '11

02 Dec '11

Hi, I have some question about the threading programming capabilities of boost library. First question: The new C++ standard C++11 has a support for threading programming. I have read some times ago, that with high probability the threading library of the C++11 should be the same of boost library? If it is true, can I use the boost thread library and in the future, when the C++ standard will be completed, could I transparently switching to it? What are the differencies between the boost thread library and the future C++11 thread library? Second question: this question is strictly related to the first one. At the moment GCC supports only a small subset of threading programming features http: //wiki.apache.org/stdcxx/C++0xCompilerSupport. So using thread boost library allows me to use the full features of future C++ standard library? Or I'm limited by the compiler? Last question: what about the OpenMP directives? How they are different in terms power and flexibility for the parallel programming task respect to the boost library? Thank you Best Regards

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Changelog for 1.47.0 does not properly warn about critical bug
by Paul Harris 02 Dec '11

02 Dec '11

Hello, I discovered this bug by accident https://svn.boost.org/trac/boost/changeset/68866 which was only linked via the ticket mentioned below, The code below demonstrates that ANY wide-character string of the same length resolves to the same UUID ! Thats pretty darn serious, I expected to see a much more serious mention in the Changelog in boost 1.47.0... for UUID, there was only a mention of a few tickets including this one: https://svn.boost.org/trac/boost/ticket/5145 which only mentioned a WARNING in the description ! "Fixed warning: use of logical && with constant operand; switch to bitwise & or remove constant [-Wconstant-logical-operand]" Surely it should say something like "UUIDs for wide character strings are totally wrong" Note also that the Changelog link for UUID goes to Utility, not UUID. The code: #include <boost/uuid/name_generator.hpp> #include <boost/uuid/nil_generator.hpp> #include <boost/uuid/uuid_io.hpp> #include <iostream> using namespace boost::uuids; using namespace std; int main() { { cout << "WIDE" << endl; const wchar_t* a = L"one long string that is something like this and that blahh"; const wchar_t* b = L"hello there you long long string that looks nothing like t"; nil_generator nil; name_generator na(nil()); name_generator nb(nil()); uuid ua = na(a); uuid ub = nb(b); cout << to_string(ua) << endl; cout << to_string(ub) << endl; } { cout << "NARROW" << endl; const char* a = "one long string that is something like this and that blahh"; const char* b = "hello there you long long string that looks nothing like t"; nil_generator nil; name_generator na(nil()); name_generator nb(nil()); uuid ua = na(a); uuid ub = nb(b); cout << to_string(ua) << endl; cout << to_string(ub) << endl; } return 0; } the result: $ g++ main.cpp && ./a.out WIDE 4ffa48af-9685-5089-97ac-fe6627ead94c 4ffa48af-9685-5089-97ac-fe6627ead94c NARROW 73030b72-a864-5c7b-9963-c0bedff1283e da8943a6-26c9-5641-bd37-427b1b70d619 $ The two different wchar_t strings resolve to the same uuid !!! What am I doing wrong? thanks Paul

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Problem with user defined Boost Units system
by Stephen Torri 01 Dec '11

01 Dec '11

I am using Boost 1.45 and trying to use Boost Units to map the types of astrodynamic equation variables. I am getting an error with the following equation. The error is saying that the lvalue type for k2_divded_by_semi_major is wrong. The questions I have are: Q1: Did I defined my system correctly? (System file is attached - types.hpp) Q2: How do I define ratio in the system? For example I have some constants that define a conversion (1 earth radii = 6378 km). Q3: How do I define a variable type if its a fraction (e.g. radii / radian )? ---- EQUATION ---- sgp4::types::radii_t k2_divided_by_semi_major = m_k2 / pow<2> ( semi_major ); The types of variables are: m_k2 sgp4::types::radii_t semi_major sgp4::types::radian_t ---- ERROR ---- 1> [ 1> Unit=boost::units::unit<boost::units::list<boost::units::dim<boost::units::length_base_dimension,boost::units::static_rational<-1>>,boost::units::detail::merge_dimensions_impl<0,0>::apply<boost::units::dimensionless_type,boost::units::dimensionless_type>::type>,boost::units::homogeneous_system<boost::units::list<sgp4::types::radii_base_unit,boost::units::list<sgp4::types::radian_base_unit,boost::units::dimensionless_type>>>>, 1> Y=double 1> ] 1> and 1> [ 1> Unit=sgp4::types::sgp4_length_t, 1> Y=double 1> ] 1> Constructor for class 'boost::units::quantity<Unit,Y>' is declared 'explicit' 1> with 1> [ 1> Unit=sgp4::types::sgp4_length_t, 1> Y=double 1> ] Regards, Stephen

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Multicast using Asio
by Vince Deters 01 Dec '11

01 Dec '11

Hi, I'm working on a rudimentary pub/sub mechanism using Asio, with the requirement that the publisher be notified when a new subscriber appears. Using multicast, this would correspond to a subscriber joining the multicast group. But it appears there's no way for the publisher to know this, correct? If so, is the only alternative to dedicate a socket to each pub/sub pair? Thanks, Vince

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[Units] Temperature conversion problem
by Belcourt, Kenneth 01 Dec '11

01 Dec '11

Hi, There appears to be a temperature conversion problem between ºC and ºF. Here's a simple test that shows the error under both gcc and Intel on both Darwin and Linux (with Boost trunk). brisc:~ kbelco$ cat test3.cpp #include <iostream> #include <boost/units/io.hpp> #include <boost/units/quantity.hpp> #include <boost/units/systems/temperature/celsius.hpp> #include <boost/units/systems/temperature/fahrenheit.hpp> int main(int, char **) { using namespace boost::units; quantity<fahrenheit::temperature> t(100 * celsius::temperature()); // expect output of 212 F, produces 180 F // seems like not adding 32º offset when computing F = (C * 9/5 + 32) std::cout << t << std::endl; return 0; } brisc:~ kbelco$ icpc -g -Iboost test3.cpp brisc:~ kbelco$ ./a.out 180 F -- Noel

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Re: [Boost-users] [Units] Temperature conversion problem
by Alex Perry 01 Dec '11

01 Dec '11

On Wed, 30 Nov 2011 15:00:28 -0800 Matthias Schabel <boost(a)schabel-family.org> wrote: ...snip... > This will have the added benefit of allowing conversions but disallowing > operations that don't make sense... Some code: > > #include <iostream> > > #include <boost/units/absolute.hpp> > #include <boost/units/systems/temperature/celsius.hpp> > #include <boost/units/systems/temperature/fahrenheit.hpp> > #include <boost/units/systems/si/temperature.hpp> > > #include <boost/units/base_units/temperature/conversions.hpp> > > using namespace boost::units; > > int main() > { > quantity<celsius::temperature> > dTC(10.*celsius::temperature()); > quantity<fahrenheit::temperature> > dTF(10.*fahrenheit::temperature()); > quantity<si::temperature> dTK(10.*si::kelvin); > > std::cout << dTC << std::endl; > std::cout << dTF << std::endl; > std::cout << dTK << std::endl; > > quantity<absolute<celsius::temperature> > > TC(0*absolute<celsius::temperature>()); > quantity<absolute<fahrenheit::temperature> > > TF(32.*absolute<fahrenheit::temperature>()); > quantity<absolute<si::temperature> > > TK(0.*absolute<si::temperature>()); > > std::cout << TC << std::endl; > std::cout << TF << std::endl; > std::cout << TK << std::endl; > > std::cout << quantity<absolute<celsius::temperature> >(TF) << > std::endl; > std::cout << quantity<absolute<celsius::temperature> >(TK) << > std::endl; > > std::cout << quantity<absolute<fahrenheit::temperature> >(TC) << > std::endl; > std::cout << quantity<absolute<fahrenheit::temperature> >(TK) << > std::endl; > > // std::cout << TC+quantity<absolute<celsius::temperature> >(TF) << > std::endl; // fails because you cannot add two absolute temperatures > std::cout << TC+quantity<celsius::temperature>(dTF) << std::endl; > std::cout << TF+quantity<fahrenheit::temperature>(dTC) << > std::endl; > > return 0; > } Not being a current user of boost units I was curious about above code and just thought I'd try it (it looked totally straightforward and I was thinking hmm maybe I should be using boost units at times) - However it didn't compile (msvc 2010 and boost 1.48) - It wasn't exactly hard to change it so it would compile - just played around a little and ended up adding :- #include <boost/units/quantity.hpp> #include <boost/units/io.hpp> However given your email had outputs pasted in so obviously code was running at some point I wondered : Was this just a cut & paste typo? Or do you need to be careful with headers in code using boost unit to make sure that it compiles x-platform or some such? Alex

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[phoenix] problem when trying to access member via arg1
by Christian Hoffmann 01 Dec '11

01 Dec '11

Hi, I have below test program in which I try to call a function on each map object. It compiles and runs fine with gcc 4.5 but not on vc10. Is arg1 and ->* operator supposed to work when arg1 is an object and not pointer? Or is there another way of accessing members with arg1 (i.e. without phoenix::bind)? Regards, Chris ----------------------- #include <boost/phoenix/core.hpp> #include <boost/phoenix/operator.hpp> #include <iostream> #include <vector> #include <boost/range/algorithm.hpp> #include <boost/shared_ptr.hpp> #include <boost/shared_ptr.hpp> struct A { void f (int s) const { std::cout << "Calling f (" << s << ")...\n"; } }; int main (int argc, const char **argv) { typedef std::map<int, boost::shared_ptr<A> > map_type; typedef map_type::value_type value_type; map_type a_map; a_map[3] = boost::shared_ptr<A> (new A ()); namespace phoenix = boost::phoenix; using phoenix::arg_names::arg1; boost::for_each (a_map, ((arg1->*&value_type::second)->*&A::f) (10)); } ---------------------------

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Subversion repository not accessible as anonymous
by Marko Lindqvist 01 Dec '11

01 Dec '11

http://www.boost.org/users/download/#repository says that "Anonymous, read-only access to the Boost Subversion repository is available at http://svn.boost.org/svn/boost." My attempts to make checkout results in svn prompting for credentials. Seems like misconfiguration to me. - ML

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Using hash_range with polymorphism
by Kelvin Chung 01 Dec '11

01 Dec '11

I'm having a hard time reconciling two distinct notions. Suppose I have a class hierarchy with root class Foo, and subclasses Foo1, Foo2, etc. (all of which are leaf classes) Now, suppose that hash_value() is defined for all the subclasses but not Foo itself (say, if Foo was abstract). Now suppose I have this: struct FooList { std::vector<boost::shared_ptr<Foo>> foos; } std::size_t hash_value(const FooList& list) { std::size_t seed = 0; typedef boost::indirect_iterator<std::vector<boost::shared_ptr<Foo>>::const_iterator> Iterator; boost::hash_range(seed, Iterator(list.foos.begin()), Iterator(list.foos.end()); return seed; } This seems a bit incorrect (and it would fail to compile due to "ambiguous overload" of hash_combine or something). What I want to do is something along the lines of std::size_t hash_value(const FooList& list) { std::size_t seed = 0; for (std::vector<boost::shared_ptr<Foo>>::const_iterator it = list.foos.begin(); it != list.foos.end(); ++it) { boost::hash_combine(seed, **it); } return seed; } That is, hash the Foos pointed to by the foos (using the correct derived class hash_value() functions) and not the shared_ptrs themselves. Is there a "shorter" version of the latter (which I presume is correct), or will the latter have to do?

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fusion newby question - boost stew
by Robert Ramey 01 Dec '11

01 Dec '11

I'm experimenting with fusion and I have a question regarding the compatibiliy/interaction with MPL. in .. /libs/fusion/doc/html/fusion/introduction.html it states: "Fusion provides full round compatibility with MPL. Fusion sequences are fully conforming MPL sequences and MPL sequences are fully compatible with Fusion. You can work with Fusion sequences on MPL if you wish to work solely on types [1]. In MPL, Fusion sequences follow MPL's sequence-type preserving semantics" So when I compare the pages for the concept of AssociativeSequence for fusion: libs/fusion/doc/html/fusion/sequence/concepts/associative_sequence.html and that for MPL libs/mpl/doc/refmanual/associative-sequence.html the expression requirements are not the same. The metafunctions for fusion are: result_of::has_key<S, K>::type result_of::at_key<S, K>::type result_of::value_at_key<S, K>::type while for MPL they are has_key<s,k>::type count<s,k>::type order<s,k>::type at<s,k>::type at<s,k,def>::type key_type<s,x>::type value_type<s,x>::type So how can the statement in the fusion introduction be true? This question comes about as I'm making a new "thing" of my own invention where I want to inter-operate with purely type sequences created with MPL - just likt it says you can do in the documentation. Turns out at significant part of this "boost stew" depends on better compile time checking of the users's metafunction invocation. This ends up creating the need for concepts in both MPL which as far as I know haven't yet been coded. So when I do this, I run accross this question. I realize I can build a fusion sequence from an MPL one, but given the language in the introduction, I would have expected to be able to go both ways and this wouldn't seem to be true. Note that it's quite possible that I'm missing something here as I feel that I'm really starting to get this stuff only for the first time. Robert Ramey

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FW: BGL, MPI
by Neiderer, Andrew M USA CIV (US) 01 Dec '11

01 Dec '11

With lots of help I think I am getting close to a "hello, world" BGL, MPI example to execute. Not sure about the error I am getting from execution from libs/mpi/example on symmetric multiprocessing (SMP) cluster of compute nodes, 1. compilation/translation of hello_world.cpp, works :-) $ mpiCC -I ../boost_1_48_0 \ -I ../boost_1_48_0/boost/mpi \ -I ../boost_1_48_0/stage/lib \ -lboost_mpi \ -lboost_thread \ -lboost_regex \ -lboost_graph -lboost_graph_parallel \ -lboost_serialization \ -lpthread \ hello_world.cpp -o hello_world 2. execution, error :-( $ mpirun -np 2 ./hello_word *** Process received signal *** Signal: Segmentation fault (11) *** Signal code: Address not mapped (1) *** Failing at address (nil) *** /lib64/libpthread.so.0 *** mpirun noticed process rank 0 with PID 16684 Maybe someone has seen this before and knows of a fix. Thank you. Andrew M. Neiderer US Army Research Lab

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Multi_array still incompatible with VS2010 Debug
by Michael Jackson 30 Nov '11

30 Nov '11

Are there any plans to update multi_array to be compatible with VS2010? Kind of an issue when I try to compile my code using VS2010? Searching around it seems that this bug has been around for a while now. There is even a suggested fix in one of the bugs. Thanks Mike Jackson

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[units] Unable to print temperature quantity
by Belcourt, K. Noel 30 Nov '11

30 Nov '11

Hi, I'm a complete neophyte with the units library. I have cause to use it so I'm trying to do something simple and am getting compile problems. This code: #include <iostream> #include <boost/units/io.hpp> #include <boost/units/quantity.hpp> #include <boost/units/systems/temperature/fahrenheit.hpp> int main(int, char **) { using namespace boost::units; quantity<fahrenheit::temperature> t; std::cout << t << std::endl; return 0; } Generates this error with Intel 11.1 on Darwin using trunk. /Users/kbelco/boost/boost/units/io.hpp(967): error: more than one instance of overloaded function "boost::units::detail::do_print_prefixed" matches the argument list: function template "void boost ::units ::detail ::do_print_prefixed <Prefixes,CharT,Traits,Dimension,System,T>(std::basic_ostream<_CharT, _Traits> &, const boost::units::quantity<boost::units::unit<Dimension, System, void>, T> &)" function template "void boost ::units ::detail ::do_print_prefixed <Prefixes,CharT,Traits,Unit,T>(std::basic_ostream<_CharT, _Traits> &, const boost::units::quantity<Unit, T> &)" argument types are: (std::basic_ostream<char, std::char_traits<char>>, const boost::units::quantity<boost::units::fahrenheit::temperature, double>) detail::do_print_prefixed<Prefixes>(os, q); ^ detected during: instantiation of "void boost ::units ::detail ::maybe_print_prefixed <Prefixes,CharT,Traits,Unit,T>(std::basic_ostream<_CharT, _Traits> &, const boost::units::quantity<Unit, T> &, boost::mpl::true_) [with Prefixes=boost::units::detail::engineering_prefixes, CharT=char, Traits=std::char_traits<char>, Unit=boost::units::fahrenheit::temperature, T=double]" at line 1050 instantiation of "std::basic_ostream<_CharT, _Traits> &boost::units::operator<<(std::basic_ostream<_CharT, _Traits> &, const boost::units::quantity<Unit2, T2> &) [with Char=char, Traits=std::char_traits<char>, Unit=boost::units::fahrenheit::temperature, T=double]" at line 14 of "/ Users/kbelco/core_simulator/test/integration/main_test_5.cpp" Any ideas what I'm doing wrong? Thanks. -- Noel Belcourt

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[spirit-karma] skipping tokens while generation
by Ovanes Markarian 30 Nov '11

30 Nov '11

Hello *, I am somehow stuck when trying to skip tokens to be generated. My configuration is boost 1.47 and visual c++ 2010. I also do not understand how some mechanics are intended to work. Example 1: Lets say I have a string: /// And I want my generator to generate: / from it or if the string is not '///' leave it as it is. So I wrote: using namespace std; string result; typedef std::back_insert_iterator<string> oiter_t; oiter_t out(result); string input = "///"; namespace k=karma; k::generate(out, &k::string("///") << "/" | k::string, input); And that works fine. Example 2: Now I would like to the slash to be a dynamic part, so I go ahead and define a rule: string root("/"); k::rule<oiter_t, std::string()> repeating_slash = +k::lit(root); k::generate(out, &repeating_slash << "/" | k::string, input); Here the generate never returns (infinite loop???).... Next test: Example 3: use in the rule instead of k::lit a k::string. This does not compile. Why? I was going through the docs over and over again but somehow I miss smth. Many thanks, Ovanes

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Re: [Boost-users] [Gil] TIFF file with mixed 8/16 bit channel
by Corinna Kinchin 30 Nov '11

30 Nov '11

Hey Christian, Many thanks for your response, good luck with the fix and it would be marvellous if you are able to keep us posted on progress ... Meanwhile I have another TIFF file to hand (also generated by Photoshop) which has these characteristics: Colorspace: CMYK Depth: 16-bit Channel depth: cyan: 16-bit magenta: 16-bit yellow: 16-bit black: 15-bit alpha: 16-bit Let me know if you'd like a copy to test with. All the best, Corinna ... Corinna Kinchin email: ckinchin(a)datazone.com Datazone Ltd. Tel: +353 64 66 28964 Palm Gate, Greenane, Fax: +353 64 66 28965 Killarney, Co. Kerry, Ireland URL: http://www.miramo.com Datazone - makers of `Miramo', the automated publishing tool > > Hi Corinna, > > I have been busy trying to load your picture but some internals of the > tiff reader doesn't allow for that right now. Hopefully I can fix > soon. > > > I'm just downloading the latest boost version (am using 1.42 at the moment > > which doesn't seem to have the cymk16161688_image_t you refer to) > > and will try out your suggestion. > > You have to build such image type. Here is how you do it: > > typedef bit_aligned_image5_type< 16, 16, 16, 8, 8, cmyka_layout_t > >::type image_t; > > > > > And this is almost certainly an RTFM question but how does one know > > which input image type to use? If you had a moment to point me in > > the right direction or to jot down an elegant code snippet to get > > me on the right track for reading different flavours of TIFF files > > I'd be eternally grateful ... > > You could use a dynamic_image. See the dynamic_image extension. > > Regards, > Christian > >

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Spirit: assertion fails under Windows but not Linux
by Gaël de Chalendar 30 Nov '11

30 Nov '11

Hello, The code below fails under Windows with the following message (sorry in French, I don't know how to force Visual C++ to work in English). This is under Windows. It works under Linux I use Boost 1.47 with cmake and Visual C++ 2008 uner Windows and Boost 1.46 and gcc 4.6.1 under Linux. The assertion in boost grammar.hpp is accompanied by this comment: // If you see the assertion below failing then the start rule // passed to the constructor of the grammar is not compatible with // the grammar (i.e. it uses different template parameters). but I don't understand how to interpret it in my case... Any idea ? Regards, Gaël Code: typedef BOOST_TYPEOF(skipper) skipper_type; template <typename Iterator> struct charchart_parser : qi::grammar<Iterator, charchart(), skipper_type> { charchart_parser() : charchart_parser::base_type(start) { using qi::eps; using qi::lit; using qi::_val; using qi::_1; using ascii::char_; using ascii::space_type; using qi::lexeme; using qi::alnum; using qi::hex; using qi::eol; start %= classes >> chars ; <OTHER GRAMMAR RULES> } qi::rule<Iterator, charchart(), skipper_type> start; <OTHER RULES DECLARATIONS> }; Messages: C:\PROGRA~1\boost\BOOST_~1\boost/spirit/home/qi/nonterminal/grammar.hpp(77) : error C2664: 'boost::mpl::assertion_failed'ÿ: impossible de convertir le paramŠtre 1 de 'boost::mpl::failed ************(__thiscall boost::spirit::qi::grammar<Iterator,T1,T2>::{ctor}::incompatible_start_rule::* ***********) (boost::spirit::qi::rule<Iterator,T1,boost::spirit::qi::alternative<Elements>>)' en 'boost::mpl::assert<false>::type' with [ Iterator=iterator_type, T1=FrCeaLic2m::LinguisticProcessing::FlatTokenizer::charchart (void), T2=FrCeaLic2m::LinguisticProcessing::FlatTokenizer::skipper_type, Elements=boost::fusion::cons<boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space,boost::spirit::char_encoding::standard>>,boost::fusion::cons<boost::spirit::qi::sequence<boost::fusion::cons<boost::spirit::qi::literal_char<boost::spirit::char_encoding::standard,true,false>,boost::fusion::cons<boost::spirit::qi::kleene<boost::spirit::qi::difference<boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::char_,boost::spirit::char_encoding::ascii>>,boost::spirit::qi::eol_parser>>,boost::fusion::cons<boost::spirit::qi::eol_parser,boost::fusion::nil>>>>,boost::fusion::nil>> ] Aucun constructeur n'a pu prendre le type de source, ou la r‚solution de la surcharge du constructeur ‚tait ambigu‰ z: \projets\moteurmultimedia\mm_linguisticprocessing\src\linguisticprocessing\core\flattokenizer\SpiritCharChartParser.hpp(132)ÿ: voir la r‚f‚rence … l'instanciation de la fonction modŠle 'boost::spirit::qi::grammar<Iterator,T1,T2>::grammar<Iterator,FrCeaLic2m::LinguisticProcessing::FlatTokenizer::charchart(void),boost::spirit::qi::alternative<Elements>,boost::spirit::unused_type,boost::spirit::unused_type>(const boost::spirit::qi::rule<Iterator,T1,boost::spirit::qi::alternative<Elements>> &,const std::string &)' en cours de compilation with [ Iterator=iterator_type, T1=FrCeaLic2m::LinguisticProcessing::FlatTokenizer::charchart (void), T2=FrCeaLic2m::LinguisticProcessing::FlatTokenizer::skipper_type, Elements=boost::fusion::cons<boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space,boost::spirit::char_encoding::standard>>,boost::fusion::cons<boost::spirit::qi::sequence<boost::fusion::cons<boost::spirit::qi::literal_char<boost::spirit::char_encoding::standard,true,false>,boost::fusion::cons<boost::spirit::qi::kleene<boost::spirit::qi::difference<boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::char_,boost::spirit::char_encoding::ascii>>,boost::spirit::qi::eol_parser>>,boost::fusion::cons<boost::spirit::qi::eol_parser,boost::fusion::nil>>>>,boost::fusion::nil>> ] z: \projets\moteurmultimedia\mm_linguisticprocessing\src\linguisticprocessing\core\flattokenizer\SpiritCharChartParser.hpp(131)ÿ: lors de la compilation de la fonction membre '<Inconnu>' de la classe <Inconnu> Z: \Projets\MoteurMultimedia\mm_linguisticprocessing\src\linguisticProcessing\core\FlatTokenizer\CharChart.cpp(303)ÿ: voir la r‚f‚rence … l'instanciation de la classe modŠle 'FrCeaLic2m::LinguisticProcessing::FlatTokenizer::charchart_parser<Iterator>' en cours de compilation with [ Iterator=iterator_type ] -- Gael de Chalendar CEA LIST Centre de Fontenay-aux-Roses Laboratoire Vision et Ingénierie des Contenus (Vision and Content Engineering Laboratory) Bat. 38-2 ; 18, rue du Panorama ; BP 6 92265 Fontenay aux Roses Cedex ; France Tél.:01.46.54.80.18 ; Fax.:01.46.54.75.80 Email : Gael.D.O.T.de-Chalendar.A(a)T.cea.D.O.T.fr

1 0

Manipulating boost::multi_array
by kelvSYC 30 Nov '11

30 Nov '11

Right now, I'm using boost::multi_array for implementing a dynamic-sized matrix for an algorithm in which the number of rows and columns therein may wildly fluctuate (is boost::multi_array even the right class for this?). What's frustrating me is how I can do any and all of the following: 1. Remove a single row or column from a matrix 2. Insert a single row or column to a matrix 3. Augment two matrices together 4. Swap two rows or columns Is there any way to do the first three without calling resize() and moving the elements around manually? For the last, does something like std::swap(A[row1], A[row2]) work?

3 3

[numeric] Errors compiling using gcc 4.6.2 on Solaris 10/SPARC
by Ioannis Papadopoulos 29 Nov '11

29 Nov '11

Hi, I'm compiling Boost 1.48 on Solaris 10/gcc 4.6.2 for 32-bit and I use the following in my project-config.jam (it doesn't compile otherwise): using gcc : : : <compileflags>-mcpu=v9 <linkflags>-mcpu=v9 ; I am getting the following errors in numeric: ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:25:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<char, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:13:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<char, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:158:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<char, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:13:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<char, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:170:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<char, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:13:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<char, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:182:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<char, unsigned char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:37:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<char, unsigned char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:194:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<char, short int>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:49:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<char, short int>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:206:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<char, short unsigned int>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:61:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<char, short unsigned int>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:218:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<char, int>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:73:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<char, int>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:230:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<char, unsigned int>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:85:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<char, unsigned int>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:242:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<char, long long int>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:97:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<char, long long int>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:254:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<char, long long unsigned int>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:109:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<char, long long unsigned int>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:266:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<char, float>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:121:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<char, float>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:278:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<char, double>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:133:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<char, double>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:290:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<char, long double>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:145:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<char, long double>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:315:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<unsigned char, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:303:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<unsigned char, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:460:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<short int, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:448:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<short int, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:605:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<short unsigned int, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:593:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<short unsigned int, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:750:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<int, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:738:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<int, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:895:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<unsigned int, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:883:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<unsigned int, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:1040:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<long long int, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:1028:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<long long int, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:1185:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<long long unsigned int, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:1173:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<long long unsigned int, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:1330:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<float, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:1318:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<float, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:1475:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<double, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:1463:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<double, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:1620:12: error: redefinition of 'struct boost::numeric::numeric_cast_traits<long double, char>' ./boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp:1608:12: error: previous definition of 'struct boost::numeric::numeric_cast_traits<long double, char>' I guess it cannot tell apart int8_t and char.

1 1

[lambda & range] bind for transformed - how to do it.
by Robert Jones 29 Nov '11

29 Nov '11

In this code (fabricated) sequence, ages_by_bind compiles, but ages_by_lambda does not. I believe this is because the lambda version does not publish result_type to its resultant functors, since the increased generality of lambda makes this difficult or impossible to do. Is there any way I can get round this, as it currently makes the lambda/transformed combination completely unusable AFAICS. Thx, - Rob. #include <map> #include <vector> #include <string> #include <boost/bind.hpp> #include <boost/range.hpp> #include <boost/range/adaptor/transformed.hpp> #include <boost/range/algorithm_ext/push_back.hpp> #include <boost/lambda/lambda.hpp> #include <boost/lambda/bind.hpp> std::vector<int> ages_by_bind( const std::map<std::string, int> & people ) { using boost::adaptors::transformed; std::vector<int> result; boost::range::push_back( result, people | transformed( bind( & std::map<std::string, int>::value_type::second, _1 ) ) ); return result; } std::vector<int> ages_by_lambda( const std::map<std::string, int> & people ) { using boost::adaptors::transformed; namespace ll = boost::lambda; std::vector<int> result; boost::range::push_back( result, people | transformed( ll::bind( & std::map<std::string, int>::value_type::second, ll::_1 ) ) ); return result; }

4 6

BGL with MPI
by Neiderer, Andrew M USA CIV (US) 29 Nov '11

29 Nov '11

I have libs/graph/example's working fine under RH in boost_1_48_0. But cannot get MPI working with BGL, e.g. libs/mpi/example/hello_world.cpp :-( When I translate using $g++ -I .../boost_1_48_0 -I .../boost_1_48_0/boost/mpi hello_world.cpp I get a bunch of errors, the first of which boost/mpi/config.hpp cannot find mpi.h. Not even sure where mpi.h is located and how it differs from mpi.hpp? Maybe if I solve this problem then all the other error messages, or most, will also go away. If there is a simple/obvious fix please let me know. Thank you. Andrew M. Neiderer US Army Research Laboratory

2 1

[smart_ptr] make_shared imposes const ref.
by Robert Jones 29 Nov '11

29 Nov '11

Why is make_shared declared as template<typename T, typename Arg1 > shared_ptr<T> make_shared( Arg1 const & arg1 ); rather than template<typename T, typename Arg1 > shared_ptr<T> make_shared( Arg1 arg1 ); since the effect is that if you have a constructor that takes non-const references you cannot use make_shared( ) on it. Thx, - Rob.

2 2

exception mechanism of boost.regex conflicts with QT lib.
by cat fa 29 Nov '11

29 Nov '11

a short piece of code: ///////////////////////////////////// boost::regex reg;; try { reg.assign( "[]d"); } catch(std::runtime_error &e) { //exception } ////////////////////////// this code runs well in Eclipse with MingW. When I copy this code in my QT project and run, it seems that QT lib cannot handle the exception which boost.regex lib throws. A run time termination warning shows as a result. I'm using win7 64bit. My QT is integrated with MingW 4.4 . Did any one encounter a similar problem? Could someone help me ?

5 8

Re: [Boost-users] multi_array with large dimensions crashes
by Jothy 28 Nov '11

28 Nov '11

Hi Pierre, Sorry for the late reply. The code work now, thanks very much. But the programme crashes with a run-time error when the dimensions of the array are huge 500x500x500. This is probably due to the limitation of the 32 bit addrress space. Is there any other work around. I heard of creating arrays with strides and allocating them in different blocks of memory rather than in contiguos memory? Thanks again Jothy On Wed, Aug 24, 2011 at 6:25 PM, Pierre-Andre Noel < noel.pierre.andre(a)gmail.com> wrote: > Yes, 500, 300 and 400 were the example dimensions you used in your earlier > message. > > Did you got it to work? > > Pierre-André > > PS: This email was not sent to the whole list. > > > > On Wed, Aug 24, 2011 at 11:55 AM, Jothy <jothybasu(a)gmail.com> wrote: > >> You mean 500,300,400 are the required dimesnions and xDim,yDim,zDim are >> site_type parameters. >> >> So the code should be like below I guess for an array of [x][y][z] >> >> >> array_ref_type::size_type xDim(x), yDim(y), zDim(z); >> >> array_storage_type Storage(xDim*yDim*zDim); >> array_ref_type Array(&Storage.front(),boost::extents[xDim][yDim][zDim]); >> >> Thanks >> >> Jothy >> >> >> >> >> >> >> On Wed, Aug 24, 2011 at 3:51 PM, Pierre-Andre Noel < >> noel.pierre.andre(a)gmail.com> wrote: >> >>> >> I am not familiar with multi_array, but it seems that you are creating >>> a >1GB object on the stack. This will almost always crash. Try creating it >>> on the heap instead. Be prepared for std::bad_alloc. >>> >>> > But how to do this? I am new to c++. >>> >>> I suggest you to either 1. read on the operators "new" and "delete" or 2. >>> use a std::vector to allocate the memory then use a boost::multi_array_ref >>> to refer to it. Here's an example: >>> >>> #include <vector> >>> #include <boost/multi_array.hpp> >>> >>> int main() >>> { >>> typedef float data_type; >>> typedef std::vector<data_type> array_storage_type; >>> typedef boost::multi_array_ref<data_type,3> array_ref_type; >>> >>> array_ref_type::size_type xDim(500), yDim(300), zDim(400); >>> array_storage_type Storage(xDim*yDim*zDim); >>> array_ref_type >>> Array(&Storage.front(),boost::extents[xDim][yDim][zDim]); >>> // You may now use Array as usual. >>> } >>> >>> Hope it helps, >>> >>> Pierre-André Noël >>> >>> >>> On Wed, Aug 24, 2011 at 5:20 AM, Jothy <jothybasu(a)gmail.com> wrote: >>> >>>> Thanks for pointing this out. >>>> >>>> But how to do this? I am new to c++. >>>> >>>> Jothy >>>> >>>> >>>> On Tue, Aug 23, 2011 at 10:42 PM, Juraj Ivančić < >>>> juraj.ivancic(a)gmail.com> wrote: >>>> >>>>> On 23.8.2011. 12:18, Jothy wrote: >>>>> >>>>>> Hi all, >>>>>> >>>>>> I have just started to use boost libs. I am trying to create a large >>>>>> float array (mandatory for my purpose). it works fine till certain >>>>>> limit, but crashes above that. I think it about allocating memory in >>>>>> the >>>>>> stack. >>>>>> >>>>>> My code is like this >>>>>> >>>>>> typedefboost::multi_array<**float,3>array_type; >>>>>> typedefarray_type::indexindex; >>>>>> array_typeArray(boost::**extents[xDim][yDim][zDim]);//**500,300,400 >>>>>> for instance >>>>>> >>>>>> >>>>>> Can some one help me to resolve this? >>>>>> >>>>> >>>>> I am not familiar with multi_array, but it seems that you are creating >>>>> a >1GB object on the stack. This will almost always crash. Try creating it >>>>> on the heap instead. Be prepared for std::bad_alloc. >>>>> >>>>> HTH >>>>> >>>>> >>>>> ______________________________**_________________ >>>>> Boost-users mailing list >>>>> Boost-users(a)lists.boost.org >>>>> http://lists.boost.org/**mailman/listinfo.cgi/boost-**users<http://lists.boost.org/mailman/listinfo.cgi/boost-users> >>>>> >>>> >>>> >>>> _______________________________________________ >>>> Boost-users mailing list >>>> Boost-users(a)lists.boost.org >>>> http://lists.boost.org/mailman/listinfo.cgi/boost-users >>>> >>> >>> >>> _______________________________________________ >>> Boost-users mailing list >>> Boost-users(a)lists.boost.org >>> http://lists.boost.org/mailman/listinfo.cgi/boost-users >>> >> >> >> _______________________________________________ >> Boost-users mailing list >> Boost-users(a)lists.boost.org >> http://lists.boost.org/mailman/listinfo.cgi/boost-users >> > >

4 3

BGL: invalidated/changing vertex_descriptor?
by Anders Wallin 28 Nov '11

28 Nov '11

Hi all, I have an directed adjacency_list graph with VertexListS=listS. I'm using this for a DCEL/winged-edge data-structure[1] for storing a planar graph. In this data structure each edge (src,trg) has a "twin edge" (trg,src). In the algorithm where I update the graph I have various sanity-checks, one of which is that the source and target of an edge should match the target and source of the twin edge. So if we have an edge and the associated twin_edge we can do: Vertex source = boost::source(edge, g); Vertex target = boost::target(edge, g); Vertex twin_source = boost::source(twin_edge, g); Vertex twin_target = boost::target(twin_edge, g); assert( source == twin_target ); assert( target == twin_source ); I have lately started seeing these asserts fail for some reason.The output, when the assert fails, can look like this: edge: (0x2f88850,0x2f8a7d0) twin_edge: (0x202f8a7d0,0x2f88850) Clearly this case will cause the above asserts to fail. I seem to pass the asserts many hundreds or thousands of times in my algorithm before at some point I get a failure. The failure always seems to happen at a different point in the code (with fairly large input, 10s or 100s of thousands of vertices). It is always of this same form, i.e. one vertex-descriptor address seems to have had "20" pre-pended from 0xAAAAAAA to 0x20AAAAAAA. If I do a release build which disables asserts I get segfaults instead when trying to access vertex-properties with the rouge vertex-descriptor. tested on two 64-bit ubuntu systems: (both show the behavior described above) Boost 1.42 with gcc 4.5.2 and Boost 1.46.1 with gcc 4.6.1 thanks for any input, (what's with the vertex_descriptors being output as seven hex-digits? why do I see a pre-pended "20"? what, if anything causes invalidation of vertex_descriptors?) Anders [1] http://en.wikipedia.org/wiki/Doubly_connected_edge_list

2 2

broken documentation link
by niXman 28 Nov '11

28 Nov '11

Hi list. boost.pool broken documentation link: http://www.boost.org/doc/libs/1_48_0/libs/pool/doc/index.html >404 Not Found >File "/home/grafik/www.boost.org/archives/live/boost_1_48_0/libs/pool/doc/index.html" not found. >Unable to find file. Regards, niXman.

2 3

[bind+signals] binding overloaded function + gcc4.6.2 = call of overloaded is ambiguous
by Bogdan Slusarczyk 28 Nov '11

28 Nov '11

Hi all, Such code can be built without problem using gcc3.4.3: typedef boost::signal< void () > Signal; Signal s; boost::bind( &Signal::operator(), &s ); but gcc4.6.2 returns: error: call of overloaded 'bind(<unresolved overloaded function type>, Signal*)' is ambiguous Is it expected behaviour? or problem in gcc4.6.2? Is there any solution except casting function pointer to particular type? Regards, Bogdan PS. I tried boost 1.38/1.48 and gcc 3.4.3/4.6.2

2 2

[fusion] how apply action to to subset of fusion sequence
by Gennadiy Rozental 28 Nov '11

28 Nov '11

Hi, I need to apply action to first N elements in fusion sequence. What the best way to achieve it? Gennadiy

2 1

[fusion] mutable action
by Gennadiy Rozental 28 Nov '11

28 Nov '11

Hi, How can I apply mutable action to the fusion sequence? It seems like fusion::for_each does not allow non const operator(). Gennadiy

2 1

boost serialization memory leaks
by ohad barta 27 Nov '11

27 Nov '11

Hi Im using boost (version 1.47), to serialize a wide variaty of objects (include the stl containers vector and map). All the things are working fine exept from a memory leaks that I (=the memory tool that I work with) detected in the boost code. What am I doing wrong? Thanks In Advance Ohad Barta

3 2

BEGINNER - separate array for each client
by wempwer＠gmail.com 27 Nov '11

27 Nov '11

I'm learning boost. I'd like to write a simple application that allows user to store data on server. User can insert new data using PUT command followed by ID number and data value, and retrieve data using GET command followed by ID. User requests are processed in analyze_user_request function and are subsequently written to or read from array. The thing is that I want every client to refer to his own array. That means that if one client saves something under particular ID this data is visible only to him. I wonder, how can I associate array with different clients, and create a new array when a new client connects? I tried encapsulating private data in class, but it doesn't seem to work, because now a new array is created every time user enters any request. This is my code: //CLIENT #include <cstdlib> #include <cstring> #include <iostream> #include <boost/asio.hpp> using boost::asio::ip::tcp; enum { max_length = 1000000 }; int main(int argc, char* argv[]) { while(1) { try { if (argc != 3) { std::cerr << "Usage: blocking_tcp_echo_client <host> <port>\n"; return 1; } boost::asio::io_service io_service; tcp::resolver resolver(io_service); tcp::resolver::query query(tcp::v4(), argv[1], argv[2]); tcp::resolver::iterator iterator = resolver.resolve(query); tcp::socket s(io_service); s.connect(*iterator); using namespace std; // For strlen. std::cout << "Enter message: "; char request[max_length]; std::cin.getline(request, max_length); if (request == "\n") continue; size_t request_length = strlen(request); boost::asio::write(s, boost::asio::buffer(request, request_length)); char reply[max_length]; boost::system::error_code error; size_t reply_length = s.read_some(boost::asio::buffer(reply), error); if (error == boost::asio::error::eof) break; // Connection closed cleanly by peer. else if (error) throw boost::system::system_error(error); // Some other error. std::cout << "Reply is: "; std::cout.write(reply, reply_length); std::cout << "\n"; } catch (std::exception& e) { std::cerr << "Exception: " << e.what() << "\n"; exit(1); } } return 0; } //SERVER #include <cstdlib> #include <iostream> #include <boost/bind.hpp> #include <boost/smart_ptr.hpp> #include <boost/asio.hpp> #include <boost/thread.hpp> #include <boost/regex.hpp> #include <boost/lexical_cast.hpp> #include <string> using boost::asio::ip::tcp; const int max_length = 1000000; typedef boost::shared_ptr<tcp::socket> socket_ptr; unsigned short analyze_user_request(std::string& user_request, short unsigned* ID, std::string* request_value) { // function returns: // 0: if user request is incorrect // 1: if user requests "PUT" operation // 2: if user requests "GET" operation // Furthermore, if request is correct, its value (i.e. ID number and/or string) is saved to short unsigned and string values passed by pointers. boost::regex exp("^[[:space:]]*(PUT|GET)[[:space:]]+([[:digit:]]{1,2})(?:[[:space:]]+(.*))?$"); boost::smatch what; if (regex_match(user_request, what, exp, boost::match_extra)) { short unsigned id_number = boost::lexical_cast<short unsigned>(what[2]); if (what[1] == "PUT") { boost::regex exp1("^[a-zA-Z0-9]+$"); std::string value = boost::lexical_cast<std::string>(what[3]); if (value.length() > 4095) return 0; if (!regex_match(value, exp1)) return 0; else { *request_value = value; *ID = id_number; return 1; } } if (what[1] == "GET") { *ID = id_number; return 2; } } if (!regex_match(user_request, what, exp, boost::match_extra)) return 0; } class Session { public: void handleRequest(socket_ptr sock) { try { for (;;) { char data[max_length]; boost::system::error_code error; size_t length = sock->read_some(boost::asio::buffer(data), error); if (error == boost::asio::error::eof) break; // Connection closed cleanly by peer. else if (error) throw boost::system::system_error(error); // Some other error. // convert buffer data to string for further procession std::string line(boost::asio::buffers_begin(boost::asio::buffer(data)), boost::asio::buffers_begin(boost::asio::buffer(data)) + length); std::string reply; // will be "QK", "INVALID", or "OK <value>" unsigned short vID; unsigned short* ID = &vID; std::string vrequest_value; std::string* request_value = &vrequest_value; unsigned short output = analyze_user_request(line, ID, request_value); if (output == 1) { // PUT reply = "OK"; std::cout << "PUT operation - ID: " << *ID << " request value: " << *request_value << "\n"; user_array[*ID] = *request_value; } else if (output == 2) { // GET std::cout << "GET operation - ID: " << *ID << " request value: " << *request_value << "\n"; reply = user_array[*ID]; if (reply == "") reply = "EMPTY"; } else reply = "INVALID"; boost::system::error_code ignored_error; size_t ans_len=reply.length(); boost::asio::write(*sock, boost::asio::buffer(reply)); } } catch (std::exception& e) { std::cerr << "Exception in thread: " << e.what() << "\n"; } } private: std::string user_array[100]; }; typedef boost::shared_ptr<Session> SessionPtr; void server(boost::asio::io_service& io_service, short port) { std::cout << "In \"server\" function\n"; tcp::acceptor a(io_service, tcp::endpoint(tcp::v4(), port)); for (;;) { socket_ptr sock(new tcp::socket(io_service)); a.accept(*sock); SessionPtr newSession(new Session()); boost::thread acceptThread(boost::bind(&Session::handleRequest, *newSession, sock)); } } int main(int argc, char* argv[]) { try { if (argc != 2) { std::cerr << "Usage: blocking_tcp_echo_server <port>\n"; return 1; } boost::asio::io_service io_service; using namespace std; // For atoi. server(io_service, atoi(argv[1])); } catch (std::exception& e) { std::cerr << "Exception: " << e.what() << "\n"; } return 0; }

2 1

Sexpr Parser example of utree compiles error--function and symbol cannot be resolved
by 风在漂 27 Nov '11

27 Nov '11

Hi, I am new to the boost, I download the boost 1.49.0 and try to build the utree example – Sexpr Parser(environment: eclipse +CDT + gcc4.5.2), but It failed and I got the error info about the “sexpr_gemerator.hpp” as follows: Function ‘attr_cast’ could not be resolved Function ‘call’ could not be resolved Symbol ‘boo_policies’ could not be resolved Symbol ‘String_inserter’ could not be resolved Actually, I check the header, It already has ‘#include <boost/spirit/include/karma.hpp>’ which will finally include ‘#include <boost/spirit/home/karma/numeric/bool.hpp>’, where karma::attr_cast is defined Does anyone know the reason? how can I make the example run successfully? thanks By the way, I can build other exmple like “mini-xml parser” in the doc library. Best, Feng

2 1

Re: [Boost-users] Problems of cross compiling: ar and ranlib tools naming ((Mark Brand)
by Iron Bug 26 Nov '11

26 Nov '11

> You might want to look at mingw-cross-env [1] which includes boost. It > doesn't have 64-bit support yet though. > > There's a link there to browse the development version. Look for file > src/boost.mk if you want to see the boost recipe. > > Mark Thanks a lot! That's really useful set of scripts. Exactly what I was doing manually for many years, building numerous libraries for different cross compilation variants. They use SED's in boost case. Seems, there's no other way to make it generate the right library format for cross compilation. I thought a good idea about names was chrooting to special /bin with links to proper toolset, but even in this case the format of libraries would need correction. So now I've got the idea and can adopt the scripts for my needs. I will recommend the tools for other programmers, that use cross compiling. Sincerely, Yana A. Kireyonok

1 0

[unordered] Iterator default constructor usage
by andpar83＠gmail.com 26 Nov '11

26 Nov '11

Hi all. Is it a correct usage of default constructor of iterators? Are any gurantees that it will always equals to the iterator returned by end()? : typedef boost::unordered_map<std::string, int> map; map x; x["one"] = 1; assert(x.find("missing") == x.end()); assert(x.find("missing") == map::iterator()); assert(map::iterator() == x.end()); Andrey

3 4

Help needed with boost::shared_mutex
by Kelvin Chung 26 Nov '11

26 Nov '11

I need assistance on how to properly use boost::shared_mutex. Suppose I have this routine, which I want to make thread-safe: class FunctionEvaluationCache { // Assume singleton std::unordered_map<Function, std::map<Input, int>> cache; // cache of results to Function::evaluate() } class Function { // Copyable bool operator==(const Function& fn2); // All Functions that operator==() share a cache entry int evaluate(const Input& in) { // Expensive operation, hence the cache if (cache.count(*this) == 0 || cache[*this].count(in) == 0) { // Not in cache, do expensive operation // Add result to cache cache[*this][in] = result; } return cache[*this][in]; } } Clearly, the big obstacle to a threadsafe version of Function::evaluate() is this cache. I believe that I will need a boost::shared_mutex for cache, as well as each cache entry. I'm not sure on how to use boost::shared_mutex, however: the straightforward way would be to expose the boost::shared_mutex instances publicly and modify evaluate() to get the proper locks, while the other line of thinking is that I should not expose the boost::shared_mutex instances at all and have a series of methods that evaluate() can use. But what I would like to do is not modify evaluate() in any way. Is it possible to do this?

2 3

Problems of cross compiling: ar and ranlib tools naming
by Iron Bug 26 Nov '11

26 Nov '11

I'm trying to build full cross compiled toolchain and boost is almost ok, except of some details in static libs. The problem is that it uses patterns like $(command-string) -print-prog-name=ar (and ranlib as well) for getting the ar and ranlib for the toolset. But due to some bug in i686-w64-mingw32 and a whole bunch of similar instruments (on debian, ubuntu, etc) the XXX-gcc -print-prog-name=ar returns simply "ar", without tool prefix. Same about ranlib. And they seem not being apt to fix it: http://groups.google.com/group/linux.debian.bugs.dist/browse_thread/thread/… I saw an old bug ticket about this problem in old boost archives: https://svn.boost.org/trac/boost/ticket/3373 It's marked as fixed. I added some strings to my project-config.jam like: using gcc : : i686-w64-mingw32-gcc : <rc>i686-w64-mingw32-windres <archiver>i686-w64-mingw32-ar <ranlib>i686-w64-mingw32-ranlib But it evidently had no effect, by some reason: in output I still see strings like "/usr/bin/ar", "usr/bin/ranlib" and the librarian error ("could not read symbols: Archive has no index; run ranlib to add one") is still there when trying to use the libraries. I found the place in gcc.jam tool script where ar-tool name is defined: # - The archive builder. local archiver = [ common.get-invocation-command gcc : [ NORMALIZE_PATH [ MATCH "(.*)[$(nl)]+" : [ SHELL "$(command-string) -print-prog-name=ar" ] ] ] : [ feature.get-values <archiver> : $(options) ] : $(bin) : search-path ] ; toolset.flags gcc.archive .AR $(condition) : $(archiver[1]) ; if $(.debug-configuration) { ECHO notice: using gcc archiver :: $(condition) :: $(archiver[1]) ; } ranlib is similar, windres is kind of case of some variants. I'm not that smart in boost build scripts but it looks like it tries to get the name from -print-prog-name (that is buggy). Am I correct? Maybe I'm just setting parameters in some wrong way? I would like to get some hints how I could make it take my options from project-config.jam and take the -print-prog-name by default. To get the resulting tools strings like i686-w64-mingw32-ar, etc, be it a parameters setting or patch for tools jam file, whatever that solves the problem. Sincerely, Yana A. Kireyonok

2 1

[thread] Stress testers sought for a new "Recursive MRSW" locking class TCLock
by U.Mutlu 25 Nov '11

25 Nov '11

Today I wrote a locking class for the "many readers/single writer, with recursion (MRSW-R)" - problem (ie. shared recursive locking). The current version is for Linux/Unix like systems only. Anybody seriously interessted in stress testing / performance testing it drop me a note. This locker has automatic "Upgrade" (and also "Downgrade") feature built-in, ie. nothing sepereate needed (see examples below). It's just a small mutex class and one locker class which can do both read and write locking (ie. just pass the kind via ctor-param...). (of course one can derive seperate classes for Read and Write) Of course it uses boost (especially atomic primitives like atomic_inc32(), atomic_dec32() etc.) Examples: TCLockVar LV; // this is our special mtx var void f() // called from many threads { TCLock L(LV); // a Read-Lock ... } void g() // called from many threads { TCLock L(LV, true); // a Write-Lock ... } void h() // called from many threads { TCLock L(LV); // a Read-Lock ... if (fNeedToUpdate) { TCLock L(LV, true); // a Write-Lock within a Read-Lock; that's OK! :-) ... } ... } Just drop me an email if interessted in stress testing TCLock. -- U.Mutlu www.mutluit.com

1 0

Problems using mpl::if_ and function_types::result_type
by Allan Nielsen 25 Nov '11

25 Nov '11

Hi I'm new to the boost::mpl library, and have some "beginners-problems" template < typename F > struct A { typedef boost::function_types::parameter_types<F> P; typedef typename boost::function_types::result_type<F>::type R; typedef typename boost::mpl::if_< boost::is_same< R, void >, boost::function< void ( void ) > , boost::function< void ( R ) > >::type TTT; A() { } }; int main(int argc, const char *argv[]) { A<int(int, float)> ok; // working A<void(int, float)> compile_error; // non-working return 0; } xxx.cxx: In instantiation of ‘A<void(int, float)>’: xxx.cxx:108:25: instantiated from here xxx.cxx:100:77: error: invalid parameter type ‘boost::mpl::aux::wrapped_type<boost::mpl::aux::type_wrapper<void> >::type’ xxx.cxx:100:77: error: in declaration ‘A<F>::TTT’ What is the problem here, and how can I solve it. To my understanding only the selected part of mpl::if_ should be evaluated by the compiler.... Regards Allan W. Nielsen

3 3

Why does CMake use relative linking when I replace a shared object?
by Mathias Gaunard 25 Nov '11

25 Nov '11

There is some strange CMake behaviour I don't quite understand. In the project attached, I build a shared library for which I want to specify a custom build command; to do this I generate a dummy library which I then replace by another file in a POST_BUILD command (alternatives involving imported libraries do not work properly across different scopes). If I do not replace the library, then the executable correctly links against libtest.so. If I do, it links instead with ../baz/libtest.so (sic), which of course, fails when trying to run the program. Why is it putting a relative path into my executable? Why is it different depending on whether I replace the .so by another one or not? Thank you very much for any insight on what's happening.

1 1

Is it possible to set DSCP (DiffServ code point) on a network connection?
by Morgan Lindqvist 25 Nov '11

25 Nov '11

Hi, I have been reading the documentation and searched this discussion forum but I can not find any information on how to set a DiffServ code point on the network connection. I need to set this to enable QoS on the UDP data I send but I can not find out how to do it. All pointer are appreciated. Best Regards, Morgan

3 2

Subject: Re: Building Boost 1.48 using Intel compiler (Message 2, Nov 19, 2011)
by Yana A Kireyonok (aka Iron Bug) 25 Nov '11

25 Nov '11

>> After examining Boost.Regex and Boost.Locale Jamfiles, it's seems that both libraries perform the same has_icu check and both fail to detect ICU on Windows if the Intel compiler is used. This is not exactly about building with ICC, but maybe somebody would like this hint: I managed to build boost 1.48.0 with ICU 4.8.1.1 adding this to bjam build command: -sHAVE_ICU=1 -sICU_PATH=path_to_the_ICU_dir -sICU_LINK="-L%ICU_PATH%/lib -licuuc48 -licuin48 -licudt48" (-sICU_LINK="-L$ICU_PATH/lib -licuuc48 -licuin48 -licudt48" for crosscompiling on Linux) This allows bjam to compile ICU correctly and works for all Windows target OS configurations. As a fact, I succeeded to build boost 1.48.0 with ICU 4.8.1.1 on Windows with msvc-10.0, mingw and also mingw crosscompiled on Linux for Windows target-os. That works. I think, that must do with ICC as well. Little note: in MinGW configurations threading=multi is needed, due to a bug in configuring scripts, that was written about in "Trouble building boost-1.48.0 with mingw 4.5.2" theme. Sincerely, Yana A. Kireyonok

1 0

fusion quesion
by Robert Ramey 25 Nov '11

25 Nov '11

Fusion includes a number of binary functions such as join, equal, less, etc. Looking at the code suggests that they just work element by element in sequential order. But what about associative tuples? For example struct account {}; struce amount {}; typedef boost::fusion::set< account, amount > debit; typedef boost::fusion::set< amount, account > debit2. clearly the types are meant to be the "same" so I would expect boost::fusion::join(debit, debit2) to function and return one type. I'm thinking it doesn't do that. Any observations/suggestions that any Fusion guru would like to share would be appreciated. Robert Ramey

2 3

Re: [Boost-users] Scope exit with no capture
by Bruno Martinez 24 Nov '11

24 Nov '11

>> It seems scope exit is abandoned. > > Not abandoned but carefully looked after. I'm happy to hear this. > Scroll down the post > you're refering to to this line: >> #define this(x) (this(x)) > > Check the code in > http://lists.boost.org/Archives/boost/2009/05/151353.php > Do we want to go that far? What do you mean? Note that the limitation that's bothering me is having an empty capture list, not capturing this. > Also, there are some limitations (a) "this" must be first in a > capture list and (b) there is no way you can use "this" inside > a body if you use C++03 compiler. > > So, rather than raising a learning curve for no clear benefit, > I prefer being explicit and write: > > YourClass *this_ = this; BOOST_SCOPE_EXIT((this_)... > or > YourClass& self = *this; BOOST_SCOPE_EXIT((self)... I've not bumped into the this limitation yet. I want a clean way to run code at exit that needs no access to local variable and captures nothing. Since my compiler supports lambda, I've adopted the old scopeguard from loki. It would be great if scope_exit supported & and = capture for all needed variables as hinted in the documentation as a possibility, or better yet, reimplement scope_guard, which has better syntax. Bruno

2 1

Graph and external properties
by g4hx 24 Nov '11

24 Nov '11

Hello everyone, I am currently trying to implement a graph algorithm using boost::graph but I ran into a problem which I don't know how to fix. I already asked this question http://stackoverflow.com/questions/8234910/external-property-map-tied-to-st… but I got no answer yet, apart from someone telling me that "Boost.Graph" is borderline unusable. I thought that you people wouldn't let this stand, so I am just asking you: I need some variables stored in a vector to be accessible via an operator[](edge_descriptor&), I think that this could be done using external properties, but since I already use bundled internal properties, I am not sure how to go ahead. I basically need something as in http://www.boost.org/doc/libs/1_36_0/libs/property_map/iterator_property_ma…. I would very much appreciate it someone would just drop me a few lines of code to illustrate how to solve the problem. g4hx

2 1

[Thread] program crashes from time to time when deleting unique_future<void>
by Soderback, Johan 24 Nov '11

24 Nov '11

Hi, I have a small example program that crashes from time to time. I would appreciate some help to understand why. In function run() executed on the main thread I create a packaged_task (pt), put it in a queue (_q) and wait for it to get executed (fu.get()). In another thread the tasks are executed when the queue _q is populated. The task I'm running always throws/rethrows intentionally. It results (from time to time) in an access violation when the unique_future, fu, is deleted. See the stack trace at the bottom. Anybody see any flaws in this design? I have tried 1.47.0 and 1.48.0, MSVC 2005. Here's the code. ***************************************************** #include <boost/exception/all.hpp> #include <boost/thread.hpp> #include <sstream> #include <iostream> struct Exception : public virtual std::exception , public virtual boost::exception { }; struct TheException : public virtual Exception {}; void throwf() { try { BOOST_THROW_EXCEPTION(TheException()); } catch (...) { boost::current_exception_diagnostic_information(); throw; } } struct Test { Test() { _t.reset(new boost::thread(boost::bind(&Test::executor, this))); } ~Test() { _t->join(); } void executor() { for (;;) { boost::unique_lock<boost::mutex> lk(_mx); while(_q.empty()) { _cv.wait(lk); } boost::shared_ptr< boost::packaged_task<void> > pt = _q.front(); _q.pop_front(); lk.unlock(); (*pt)(); } } void run() { for (;;) { const int N = 20000; for (int j = 0; j < N; ++j) { boost::shared_ptr< boost::packaged_task<void> > pt(new boost::packaged_task<void>(throwf)); boost::unique_future<void> fu = pt->get_future(); { boost::unique_lock<boost::mutex> lk(_mx); _q.push_back(pt); pt.reset(); } _cv.notify_one(); try { fu.get(); assert(false); } catch (const TheException& ) { } catch (const boost::exception& ) { assert(false); } catch (...) { assert(false); } } std::cout << "."; } } private: boost::mutex _mx; std::list< boost::shared_ptr< boost::packaged_task<void> > > _q; boost::shared_ptr<boost::thread> _t; boost::condition_variable_any _cv; }; int main(int, char*) { Test test; test.run(); } ***************************************************** Here is the callstack, program terminated with access violation. Unhandled exception at 0x0043196b in crasher.exe: 0xC0000005: Access violation reading location 0xdddddded. > crasher.exe!boost::exception_detail::refcount_ptr<boost::exception_detail::error_info_container>::release() Line 78 + 0x18 bytes C++ crasher.exe!boost::exception_detail::refcount_ptr<boost::exception_detail::error_info_container>::~refcount_ptr<boost::exception_detail::error_info_container>() Line 35 C++ crasher.exe!boost::exception::~exception() Line 278 + 0xb bytes C++ crasher.exe!boost::exception_detail::clone_impl<TheException>::`vbase destructor'() + 0x41 bytes C++ crasher.exe!boost::exception_detail::clone_impl<TheException>::`scalar deleting destructor'() + 0x2b bytes C++ crasher.exe!boost::checked_delete<boost::exception_detail::clone_base const >(const boost::exception_detail::clone_base * x=0x006f7d10) Line 34 + 0x35 bytes C++ crasher.exe!boost::detail::sp_counted_impl_p<boost::exception_detail::clone_base const >::dispose() Line 78 + 0xc bytes C++ crasher.exe!boost::detail::sp_counted_base::release() Line 102 + 0xf bytes C++ crasher.exe!boost::detail::shared_count::~shared_count() Line 309 C++ crasher.exe!boost::shared_ptr<boost::exception_detail::clone_base const >::~shared_ptr<boost::exception_detail::clone_base const >() + 0x2e bytes C++ crasher.exe!boost::exception_ptr::~exception_ptr() + 0x2b bytes C++ crasher.exe!boost::detail::future_object_base::~future_object_base() Line 106 + 0x9c bytes C++ crasher.exe!boost::detail::future_object<void>::~future_object<void>() + 0x2b bytes C++ crasher.exe!boost::detail::task_base<void>::~task_base<void>() + 0x2b bytes C++ crasher.exe!boost::detail::task_object<void,void (__cdecl*)(void)>::~task_object<void,void (__cdecl*)(void)>() + 0x2b bytes C++ crasher.exe!boost::detail::task_object<void,void (__cdecl*)(void)>::`scalar deleting destructor'() + 0x2b bytes C++ crasher.exe!boost::checked_delete<boost::detail::task_object<void,void (__cdecl*)(void)> >(boost::detail::task_object<void,void (__cdecl*)(void)> * x=0x006f7b10) Line 34 + 0x34 bytes C++ crasher.exe!boost::detail::sp_counted_impl_p<boost::detail::task_object<void,void (__cdecl*)(void)> >::dispose() Line 78 + 0xc bytes C++ crasher.exe!boost::detail::sp_counted_base::release() Line 102 + 0xf bytes C++ crasher.exe!boost::detail::shared_count::~shared_count() Line 309 C++ crasher.exe!boost::shared_ptr<boost::detail::future_object<void> >::~shared_ptr<boost::detail::future_object<void> >() + 0x2e bytes C++ crasher.exe!boost::unique_future<void>::~unique_future<void>() Line 644 + 0x2b bytes C++ crasher.exe!Test::run() Line 95 + 0xc bytes C++ crasher.exe!main(int __formal=1, int __formal=1) Line 112 C++ crasher.exe!__tmainCRTStartup() Line 597 + 0x19 bytes C crasher.exe!mainCRTStartup() Line 414 C kernel32.dll!7c817067() [Frames below may be incorrect and/or missing, no symbols loaded for kernel32.dll] ________________________________ Please consider the environment before printing this e-mail. The contents of this e-mail message (including any attachments) are confidential to and are intended to be conveyed for the use of the recipient to whom it is addressed only. If you receive this transmission in error, please notify the sender of this immediately and delete the message from your system. Any distribution, reproduction or use of this message by someone other than recipient is not authorized and may be unlawful.

2 2

Iterate over template arguments
by Allan Nielsen 24 Nov '11

24 Nov '11

Hi, I have a set of old classes which I use for inter process communication: Example: template<typename T0, typename T1> class Interface2: public InterfaceBase { public: Interface2( const std::string & name, IPCManager * ipcmanager) : InterfaceBase(name, ipcmanager){ } Interface2( const std::string & name, boost::function<void ( const T0 & t0, const T1 & t1 ) > _f, IPCManager * ipcmanager) : InterfaceBase(name, ipcmanager), f(_f) { } virtual ~Interface2() { } boost::function<void ( const T0 & t0, const T1 & t1 ) > f; protected: void handler(IpcMsg & m) { if(! f.empty()){ if( m.value_size() != 2 ) { m.set_type(IpcMsg_Type_RESPONSE_FAILED_WRONG_VALUE_NUMBERS); return; } GMB_ARGUMENT_DESERILIZE(T0, 0); GMB_ARGUMENT_DESERILIZE(T1, 1); try { f(t0, t1); m.set_type(IpcMsg_Type_RESPONSE_OK); } catch (std::exception e) { m.set_type(IpcMsg_Type_RESPONSE_FAILED_EXCEPTION); } }else{ m.set_type(IpcMsg_Type_RESPONSE_FAILED_NO_FUNCTION_ATTACHED); } } IPCManager * ipc; }; It works fine, but it might not be the most elegant solution, and I would very much like to improve it. Today I have Interface0-10 which accept from 0 to 10 arguments, and InterfaceCaller0-10 which call an interface with 0-10 arguments. And another set of classes with an return value as well. What I would like is an interface where the following would be valid (much like boost function): Interface< int (int, std::string ) > if1(...) ; I known this might not be easy or the intension of c++99, but I would like to give it a try anyway... So, I would appreciate it if somebody could give me some pointers on how I can process each of the templates arguments. I do not have access to a c++0x compiler on the target where this is used. Best regards Allan W. Nielsen

4 6

[locale] 1.48+stlport5.2.1: invalid conversion from `int' to `stlp_std::ctype_base::mask'
by Bogdan Slusarczyk 24 Nov '11

24 Nov '11

Hi, I tried to build boost1.48 with stlport5.2.1 (linux). I noticed such problem: libs/locale/src/posix/numeric.cpp:215: error: invalid conversion from `int' to `stlp_std::ctype_base::mask' This is simple problem like this one: enum Test { value } Test test; test|=value; //error is here I could use -fpermissive, however I think it's very intrusive. If you know other solutions let me know please. Best regards, Bogdan

2 2

multi_index_container + composite key
by Uthpal Urubail 24 Nov '11

24 Nov '11

All, Is it possible create a multi_index_container with keys in non sequenced order? i.e, in the below example while extracting the element book entry can I send the node1 and node2 in different order than how it is created? elementbook pb; Elem_entry fc1 = Elem_entry(1,90,99); Extracting: elementbook::iterator it; it = pb.find(boost::make_tuple(99,90)); ????? Is it possible to simulate this requirement? typedef multi_index_container< Elem_entry, indexed_by< //non-unique as some might have more than ids ordered_unique< composite_key< Elem_entry, member<Elem_entry,unsigned int,&Elem_entry::node1>, member<Elem_entry,unsigned int,&Elem_entry::node2> > >, ordered_unique< member<Elem_entry,unsigned int,&Elem_entry::faceid> > > > elementbook;

2 2

Vertex Weights!!!
by Nouf M. 24 Nov '11

24 Nov '11

Hello, I have a graph that contains: - Vertices with 1.name 2.weight - Edges with 1.name 2.weight I couldnt figure out how to store the weights of the vertices. Is it possible to do that? if yes, then please tell me how... Thank you...

3 2

How to use mpl::count and function_types
by Allan Nielsen 24 Nov '11

24 Nov '11

Hi I'm trying to count the number of parameters in a function-type: cout << boost::mpl::count< boost::function_types::parameter_types< void() > >::value << endl; cout << boost::mpl::count< boost::function_types::parameter_types< void(int) > >::value << endl; cout << boost::mpl::count< boost::function_types::parameter_types< void(int, int) > >::value << endl; This prints: 0 0 0 I would have expected: 0 1 2 What have I done wrong? -- Allan W. Nielsen

2 2

[iostreams] 7-zip filters
by Igor R 24 Nov '11

24 Nov '11

Hello, I tried to google around the subj, but couldn't find anything useful. Is it realy unavailble or have I just overlooked it? :) Thanks.

2 2

Trivial logging with boost.log
by Konstantin Ribel 24 Nov '11

24 Nov '11

3 3

Question about boost.log (from Andrey Semashev )
by Steve Ong 23 Nov '11

23 Nov '11

Does anyone know why the boost.log never made it into the library? Thanks, Steve

3 2

Creating Boost unit system for astrodynamic equations
by Stephen Torri 23 Nov '11

23 Nov '11

I am starting to convert code I have written using standard types (e.g. double) which calculates the orbits of objects in space. Common man's way of describing astrodynamic equations. The equations fall into two types: dimensionless and with dimensions. For those that have a dimension they fall into three types: Length (earth radii) Time (minutes) Angle (radians) So derived types would be: Velocity (radians/minute) Now that I have described what types are required I have a few questions: 1. Where is the length type for already defined for earth radii? 2. What advantage is there to creating my own unit system? It seems that my unit system would have: - earth radii - kg (useless in the equations) - minute - radians Stephen

2 1

Re: [Boost-users] Scope exit with no capture
by Bruno Martinez 23 Nov '11

23 Nov '11

> I guess this feature will be integrated in ScopedExit soon :), but in > order to don't forget, maybe you could create a feature request on the > Trac system. I reopened https://svn.boost.org/trac/boost/ticket/3940. I also found http://lists.boost.org/Archives/boost/2009/03/149540.php which includes a patch to support zero arguments, but it wasn't ever merged. It seems scope exit is abandoned. Bruno

2 1

help boost multi_index_container + composite key
by Uthpal Urubail 23 Nov '11

23 Nov '11

All, I am experimenting boost for some specific requirement. The following code fails to retrieve the values. Could any one of you help me find out my mistake with the below code? #include <boost/multi_index_container.hpp> #include <boost/multi_index/ordered_index.hpp> #include <boost/multi_index/member.hpp> #include <boost/multi_index/composite_key.hpp> struct Elem_entry { unsigned int faceid; unsigned int node1; unsigned int node2; Elem_entry(const Elem_entry &obj){/*std::cout<<"copy const"<<std::endl;*/} Elem_entry():faceid(0),node1(0),node2(0){/*std::cout<<"defa const"<<std::endl;*/} Elem_entry(unsigned int faceid, unsigned int node1, unsigned int node2): faceid(faceid),node1(node1),node2(node2){} }; typedef multi_index_container< Elem_entry, indexed_by< //non-unique as some might have more than ids ordered_unique< composite_key< Elem_entry, member<Elem_entry,unsigned int,&Elem_entry::node1>, member<Elem_entry,unsigned int,&Elem_entry::node2> > >, ordered_unique< member<Elem_entry,unsigned int,&Elem_entry::faceid> > > > elementbook; int main() { elementbook pb; Elem_entry fc1 = Elem_entry(1,1,2); pb.insert(fc1); Elem_entry fc2 = Elem_entry(2,2,3); pb.insert(fc2); Elem_entry fc3 = Elem_entry(3,3,1); pb.insert(fc3); int faceId = 0; elementbook::iterator it; //Below code not working it = pb.find(boost::make_tuple(2,3)); if(it != pb.end()) { faceId = it->faceid; bool valid = true; valid = false; } for (elementbook::iterator iter = pb.begin(), i_end = pb.end(); iter != i_end; iter = pb.upper_bound(iter->faceid)) { std::cout<<iter->faceid<<"\t"<<iter->node1<<"\t"<<iter->node2<<std::endl ; } }

2 1

[fusion] incremental zipping
by Gennadiy Rozental 23 Nov '11

23 Nov '11

Hi, I am zipping fusion sequences in a series of incremental zip operations: zip(zip(zip(a,b),c),...) as a result I am getting sequence with elements like: vector2<vector2<vector2<a[i],b[i]>,c[i]>,...> what I want instead is that elements would look like: vector<a[i],b[i],c[i],...> What the simplest way to achieve this? Gennadiy

4 8

boost non-blocking read write routines
by Jack Bryan 23 Nov '11

23 Nov '11

Hi, I am coding for data exchange between threads by boost C++. Some threads need to read or write some data structure asynchronously. For example, we have thread 1 and thread 2. When thread 1 needs to get some data from thread 2, if the data is still not available for thread 1, it should not be blocked and can do other things and then go back to check the data again later. The same things are for thread 2. What are the API routines of boost non-blocking read write , which can do that ? I cannot find it in boost document. thanks

2 1

How can I have an object-specific and thread-specific pointer?
by Phillip Hellewell 22 Nov '11

22 Nov '11

Hi, My class contains a member var that is a little buffer used as a cache. Instances of this class are used concurrently (referenced through a shared_ptr). I would like to switch my buffer to a thread_specific_ptr, but there are two big problems with using thread_specific_ptr as a member var: 1. There is a memory leak when my object goes away, because by design only one of the pointers gets cleaned up (the one for the thread that happens to delete the object). 2. There is undefined behavior when a new object gets created that happens to be allocated at the same address as a previously freed one. get( ) could return a pointer to a buffer that goes with an old (now freed) object. I try not to question the wisdom of the thread_specific_ptr authors, but given these two issues, especially #2, I have to conclude that thread_specific_ptr is only suitable for statics / globals. It is wholly unfit to be used as a member variable (except in a singleton class I guess). The next best thing I can think of for my class is to just have a std::map<thread_id, void*>, with synchronized access of course, and I clean up all the pointers in the map in the DTOR. That would work just great, except I really do need the pointers to also get cleaned up (and removed from my map) when the corresponding threads go away. Some of my objects can live a very long time, whilst threads get created and destroyed off and on, so without this functionality the map could grow indefinitely. So I'm stuck. I can't use thread_specific_ptr because it won't clean up everything when my object goes away, and I can't use a map because it won't clean up anything when a thread goes away. Is there an easy solution to this? If there were some way for me to hook up a callback directly to the thread cleanup function, I could add a callback to remove it from my map when the thread goes away. But I'd also need the ability to remove that callback in my DTOR. Does boost provide any way to do this? I can't be the first person to want a thread-specific, object-specific pointer, can I? Phillip

4 11

Scope exit with no capture
by Bruno Martínez 22 Nov '11

22 Nov '11

Hi, How can I call BOOST_SCOPE_EXIT when no variable needs to be captured? BOOST_SCOPE_EXIT () { CoUninitialize(); } BOOST_SCOPE_EXIT_END; doesn't work. I tried BOOST_SCOPE_EXIT (BOOST_PP_NIL) BOOST_SCOPE_EXIT (BOOST_PP_EMPTY) BOOST_SCOPE_EXIT (BOOST_PP_SEQ_NIL) but they don't work either. Bruno

2 1

Re: [Boost-users] [Thread] program crashes from time to time when deleting unique_future<void>
by Alex Perry 22 Nov '11

22 Nov '11

On Mon, 21 Nov 2011 16:40:04 +0000 "Soderback, Johan" <Johan.Soderback(a)elekta.com> wrote :- > Hi, > > I have a small example program that crashes from time to time. > I would appreciate some help to understand why. > > In function run() executed on the main thread I create a packaged_task (pt), > put it in a queue (_q) and wait for it to get executed (fu.get()). > In another thread the tasks are executed when the queue _q is populated. > The task I'm running always throws/rethrows intentionally. > > It results (from time to time) in an access violation when the unique_future, > fu, is deleted. > See the stack trace at the bottom. > > Anybody see any flaws in this design? > > I have tried 1.47.0 and 1.48.0, MSVC 2005. > Trying your example on vs2010 it crashes continuously - changing your throwf() function to the following appears to sort it - not quite sure why a simple throw fails though - or whether this was your problem under vs2005 void throwf() { try { BOOST_THROW_EXCEPTION(TheException()); } catch (boost::exception const & ) { boost::rethrow_exception( boost::current_exception() ); } } HTH Alex

3 2

[serialization] backwards compatibility of vector (de)s11n
by Ewald Peiszer 22 Nov '11

22 Nov '11

Hi list, I am migrating from Boost v1.35 to a new version. I have, however, some legacy serialized strings that I want to be readable by the new version. After some testing I found that apparently the newer version (in this case 1.40) cannot correctly deserialize std::vector instances from 1.35 generated strings. Can anyone give my a pointer as to what may be the problem here? Thanks a lot! Ewald ==Details== I use text archives, and gcc version 4.4.1 (Ubuntu 4.4.1-4ubuntu9) The test vector is a structure with 2 items, the long integers 1 and 2. Archive string for respective lib versions: 1.35 archive: 22 serialization::archive 4 2 1 2 1.40 archive: 22 serialization::archive 5 2 0 1 2 Now: ---------(code snippet) // includes #include <boost/serialization/vector.hpp> #include <boost/archive/text_iarchive.hpp> #include <boost/archive/text_oarchive.hpp> std::vector<long> testvector; std::string val = "22 serialization::archive 4 2 1 2"; // v1.35 archive { std::stringstream ss(std::stringstream::in | std::stringstream::out); ss << val << std::endl; boost::archive::text_iarchive ia(ss); ia >> BOOST_SERIALIZATION_NVP(testvector); } -------- Result when executing with lib v1.40: testvector contains two elements, {2, 2} -- instead of {1, 2} Note: s11n and de-s11n with the same lib version works perfect.

1 0

boost.uuid typo error
by niXman 22 Nov '11

22 Nov '11

Hello list! In the docmantation for boost.uuid on this link: http://www.boost.org/doc/libs/1_48_0/libs/uuid/uuid.html#Stream_operators in the example of usage boost::lexical_cast<> with boost::uuids::uuid: boost::uuids::uuid u1; // initialize uuid std::string s = boost::lexical_cast<std::string>(u); // <<<<<<<<<<<< must be u1 boost::uuids::uuid u2 = boost::lexical_cast<boost::uuids::uuid>(s); assert(u1 == u2); I wish that boost documentation was famous as well as Qt documentation ;) Regards, niXman.

4 4

Platform independent memory mapped [file] IO
by Steve 22 Nov '11

22 Nov '11

I have some very large (TB scale) files, and I want to map fixed-size (say 1Mb) segments from them into memory, for both reading and writing (in different contexts) making maximum use of OS-level caching. The software I'm writing needs to work under Unix/Linux and Windows... performance is critical. I've discovered boost::iostreams::mapped_file_source and boost::iostreams::mapped_file_sink, which provide most of the facilities I'm looking for. The facilities I'd like, but haven't found are: * Forcing a synchronisation of written data to disk ( msync(2) on Unix; FlushViewOfFile on Windows) * Locking files to prevent two processes attempting to write the same file at the same time (or read a newly created file before written data is flushed..) * Controlling attributes of the file at creation time (Unix) Can I do these things using boost::iostreams::mapped_file_sink and boost::iostreams::mapped_file_source? I'm aware of boost::interprocess::basic_managed_mapped_file et al, which suppors a flush() method - but I don't want to manage the files as if they were file-backed heaps... with all the space allocation that entails. I am only interested in efficiently reading/writing to fixed-size blocks of very large files (of a size known from the offset.) Am I overlooking a straightforward strategy, using the existing boost::iostreams library, to establish file-locks and to ensure only consistently written data is read by other processes? Is it appropriate to want to to force synchronisation from code as soon as all the data in a block has been written (avoiding a large latency when, say, 1GB of pages have been updated and the process needs to exit?)

1 0

Why wasn't filesystem v2 removed in boost 1.48?
by Thomas Dziedzic 22 Nov '11

22 Nov '11

hi, I was wondering about the removal of filesystem v2 as stated on: http://www.boost.org/doc/libs/1_48_0/libs/filesystem/v3/doc/index.htm which says that filesystem v2 wont be included in boost 1.48 and later. but it seems that boost 1.48.0 still has filesystem v2 and the changelog has nothing about filesystem v2 for boost 1.48 did release guys for boost 1.48 forget to remove filesystem v2? If it was decided to keep boost filesystem v2 for 1.48, could the documentation be changed to reflect that? Thanks for your time,

2 1

Re: [Boost-users] Boost.Locale build missing usage-requirements
by Artyom Beilis 22 Nov '11

22 Nov '11

--- On Fri, 11/18/11, Alexey Badyaev <leemouse(a)mail.ru> wrote: > From: Alexey Badyaev <leemouse(a)mail.ru> > > and user of > library must define symbol BOOST_LOCALE_DYN_LINK=1 in own > project.... Yes... Unless you integrate the full Boost tree into your project and use it directly. Which I don't see any specific reason to do. I'll review and consider adding if this **is** common and practice for boost libraries. > I wrote email to author of library (Artyom Beilis), but he > reject my > proposal of add usage-requirements to lib target. I had seen your note about useage-requirements besides and I have not responded you due the lack of time. And now you write (quoting): > he reject my proposal of add usage-requirements to lib target. This is not only **incorrect**, it is also disrespectful to behave like this and appeal to Boost community just because you had not received an answer from me withing _1_ (one) day. > May anybody with right-access to boost repository fix > this??? Now... I can tell you one thing. Do you really expect me to help you to resolve your problems after you behave this way? I'll get to check your proposal when I'll have enough time to study the issue (among other things I need to do) and I'll see if it is required. Meanwhile, patch your own code... In any case, as you told me you use Boost-Trunk, so this would not be a problem for you... Artyom Beilis -------------- CppCMS - C++ Web Framework: http://cppcms.sf.net/ CppDB - C++ SQL Connectivity: http://cppcms.sf.net/sql/cppdb/

2 1

Boost.Locale build missing usage-requirements
by Alexey Badyaev 22 Nov '11

22 Nov '11

Hi All. Library "Locale" from "Boost C++ Libraries" package has Jamfile.v2 in folder "build". Target "boost_locale" of library in that jam-file defined see below: lib boost_locale : encoding/codepage.cpp shared/date_time.cpp shared/format.cpp shared/formatting.cpp shared/generator.cpp shared/ids.cpp shared/localization_backend.cpp shared/message.cpp shared/mo_lambda.cpp util/codecvt_converter.cpp util/default_locale.cpp util/info.cpp util/locale_data.cpp : # Don't link explicitly, not required <define>BOOST_THREAD_NO_LIB=1 <link>shared:<define>BOOST_LOCALE_DYN_LINK=1 <threading>multi # Meanwhile remove this <conditional>@configure ; You can see: usage-requirements of target is not defined, and user of library must define symbol BOOST_LOCALE_DYN_LINK=1 in own project.... I wrote email to author of library (Artyom Beilis), but he reject my proposal of add usage-requirements to lib target. May anybody with right-access to boost repository fix this??? -- With best regards, Alexey Badyaev Russian Federation, Kemerovo

2 2

boost MPI: unsupported functions & support on super computers ?
by Avi Bahra 21 Nov '11

21 Nov '11

I am learning MPI, and have a few questions whether its worth using boost MPI, since I need to run on many flavours of unix.(linux clusters and AIX as a minimum) o In the boost MPI documentation it appears that many MPI functions are not supported (MPI_Bsend,etc). If I need this capability then does this mean I should not use boost MPI ? (or is there still a back door way of calling with the C API instead ? ) o Has any one managed to use boost MPI on Super-computers like: - IBM/AIX. - Fujitsu - NEC Since we need to be able swap vendors. Any help appreciated. Ta, Avi

3 2

[unordered] gcc complains in unordered/detail/table.hpp
by Ioannis Papadopoulos 21 Nov '11

21 Nov '11

Hi, In unordered/detail/table.hpp:177 the following exists: iterator& operator++() { node_ = node_ = static_cast<node_pointer>(node_->next_); return *this; } iterator operator++(int) { iterator tmp(node_); node_ = node_ = static_cast<node_pointer>(node_->next_); return tmp; } gcc 4.6.1 complains about boost_1_48_0/include/boost/unordered/detail/table.hpp:177:13: warning: operation on ‘this->boost::unordered::iterator_detail::iterator<boost::unordered::detail::ptr_node<std::pair<const int, int> >*, std::pair<const int, int> >::node_’ may be undefined [-Wsequence-point] what is the purpose of node_ = node_ ?

2 1

[gil] metafunction for layout
by Sapp, Mark 21 Nov '11

21 Nov '11

Hi All, The following code is straight out of the tutorial about making function generic. Can anyone suggest how I might determine the layout of DstView here so that I can build an image of the same layout? In this example they hardcode gray_layout_t and I'm not seeing any metafunctions that return the layout. template <typename SrcView, typename DstView> void x_luminosity_gradient(const SrcView& src, const DstView& dst) { typedef typename channel_type<DstView>::type d_channel_t; typedef typename channel_convert_to_unsigned<d_channel_t>::type channel_t; typedef typename image_type<channel_t, gray_layout_t>::type gray_image_t; typedef typename gray_image_t::value_type gray_pixel_t; gray_image_t ccv_image(src.dimensions()); copy_and_convert_pixels(src, view(ccv_image)); x_gradient(const_view(ccv_image), dst); } Thanks, Mark Notice: This e-mail is intended solely for use of the individual or entity to which it is addressed and may contain information that is proprietary, privileged, company confidential and/or exempt from disclosure under applicable law. If the reader is not the intended recipient or agent responsible for delivering the message to the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. If this communication has been transmitted from a U.S. location it may also contain data subject to the International Traffic in Arms Regulations or U.S. Export Administration Regulations and cannot be disseminated, distributed or copied to foreign nationals, residing in the U.S. or abroad, without the prior approval of the U.S. Department of State or appropriate export licensing authority. If you have received this communication in error, please notify the sender by reply e-mail or collect telephone call and delete or destroy all copies of this e-mail message, any physical copies made of this e-mail message and/or any file attachment(s).

2 4

Problems linking shared library with ASIO/System/Serialization/Python
by Federico J. Fernández 21 Nov '11

21 Nov '11

Hi All, I'm trying to build a shared library on Linux, that will become a Python module via Boost.Python. That library also requires functionality from Boost.ASIO and Boost.Serialization. I'm using Boost 1.46.1, and gcc version 4.5.2 (Ubuntu/Linaro 4.5.2-8ubuntu4). I'm getting undefined errors related to Boost.System during the compilation: g++ -L/usr/local/lib/ -shared python_client.o network_interface.o geometry_model_api.o client.o -o python_client.so -lpython2.7 -lboost_python -lboost_serialization -lboost_thread -lQtCore -lpthread -Wl,-no-undefined network_interface.o: In function `get_system_category': /usr/local/include/boost/asio/error.hpp:220: undefined reference to `boost::system::system_category()' /usr/local/include/boost/asio/error.hpp:220: undefined reference to `boost::system::system_category()' /usr/local/include/boost/asio/error.hpp:220: undefined reference to `boost::system::system_category()' /usr/local/include/boost/asio/error.hpp:220: undefined reference to `boost::system::system_category()' network_interface.o: In function `error_code': /usr/local/include/boost/system/error_code.hpp:315: undefined reference to `boost::system::system_category()' network_interface.o:/usr/local/include/boost/asio/error.hpp:220: more undefined references to `boost::system::system_category()' follow client.o: In function `__static_initialization_and_destruction_0': /usr/local/include/boost/system/error_code.hpp:214: undefined reference to `boost::system::generic_category()' /usr/local/include/boost/system/error_code.hpp:215: undefined reference to `boost::system::generic_category()' /usr/local/include/boost/system/error_code.hpp:216: undefined reference to `boost::system::system_category()' client.o: In function `get_system_category': /usr/local/include/boost/asio/error.hpp:220: undefined reference to `boost::system::system_category()' client.o: In function `error_code': /usr/local/include/boost/system/error_code.hpp:315: undefined reference to `boost::system::system_category()' /usr/local/include/boost/system/error_code.hpp:315: undefined reference to `boost::system::system_category()' /usr/local/include/boost/system/error_code.hpp:315: undefined reference to `boost::system::system_category()' client.o:/usr/local/include/boost/system/error_code.hpp:315: more undefined references to `boost::system::system_category()' follow collect2: ld returned 1 exit status I tried defining BOOST_SYSTEM_NO_DEPRECATED, some errors disappear, others don't. Any advice is greatly appreciated. Thanks in advance. -- federico

2 2

Trouble building boost-1.48.0 with mingw 4.5.2
by Jose Carlos Rodríguez Rodríguez 21 Nov '11

21 Nov '11

Hi! My first e-mail to the list. :) I am Spanish. Sorry for my English, :/ Boost is a blessing. I have not words. I like to build the library in Windows 7 (VC2010, MingW with gcc-4.5.2) and Linux (Ubuntu 11.10 with gcc-4.6.1). No problem with VC2010. No problem with Ubuntu 11.10 with gcc-4.6.1. However i am unable with MinGW gcc-4.5.2. My steps (works with boost-1.47.0 perfectly(?))): 1. Open mSYS 2. ./bootstrap.sh --with-toolset=mingw 3. Open project-config.bjam and modify... # Compiler configuration. This definition will be used unless # you already have defined some toolsets in your user-config.jam # file. - if ! mingw in [ feature.values <toolset> ] - { - using mingw ; - } - project : default-build <toolset>mingw ; + project : default-build <toolset>gcc ; 3. mkdir stage 4. bjam -a --build-dir="./stage/" --build-type=complete toolset=gcc stage I get: - has_icu builds : no warning: Graph library does not contain MPI-based parallel components. note: to enable them, add "using mpi ;" to your user-config.jam - iconv (libc) : no - iconv (separate) : yes - icu : no - icu (lib64) : no - g++ -shared-* supported : yes - ../config//has_gcc_visibility builds : no - ../config//has_long_double_support builds : yes warning: skipping optional Message Passing Interface (MPI) library. note: to enable MPI support, add "using mpi ;" to user-config.jam. note: to suppress this message, pass "--without-mpi" to bjam. note: otherwise, you can safely ignore this message. warning: No python installation configured and autoconfiguration note: failed. See http://www.boost.org/libs/python/doc/building.html note: for configuration instructions or pass --without-python to note: suppress this message and silently skip all Boost.Python targets V:/OFI-SJLJ-GCC452-32b/MinGW/msys/1.0/home/IUCTC/boost_1_48_0/tools/build/v2/build\virtual-target.jam:1079: in virtual-target.register-actual-name from module virtual-target error: Duplicate name of actual target: <pstage\lib>libboost_exception-mgw45-mt-1_48.a error: previous virtual target { common%common.copy-libboost_exception-mgw45-mt-1_48.a.STATIC_LIB { gcc%gcc.archive-libboost_exception-mgw45-mt-1_48.a.STATIC_LIB { gcc%gcc.compile.c++-clone_current_exception_non_intrusive.o.OBJ { clone_current_exception_non_intrusive.cpp.CPP } } } } error: created from ./stage-proper error: another virtual target { common%common.copy-libboost_exception-mgw45-mt-1_48.a.STATIC_LIB { gcc%gcc.archive-libboost_exception-mgw45-mt-1_48.a.STATIC_LIB { gcc%gcc.compile.c++-clone_current_exception_non_intrusive.o.OBJ { clone_current_exception_non_intrusive.cpp.CPP } } } } error: created from ./stage-proper error: added properties: <linkflags>-shared-libgcc <linkflags>-shared-libstdc++ error: removed properties: none V:/OFI-SJLJ-GCC452-32b/MinGW/msys/1.0/home/IUCTC/boost_1_48_0/tools/build/v2/build\virtual-target.jam:490: in actualize-no-scanner from module object(file-target)@4649 V:/OFI-SJLJ-GCC452-32b/MinGW/msys/1.0/home/IUCTC/boost_1_48_0/tools/build/v2/build\virtual-target.jam:135: in object(file-target)(a)4649.actualize from module object(file-target)@4649 V:/OFI-SJLJ-GCC452-32b/MinGW/msys/1.0/home/IUCTC/boost_1_48_0/tools/build/v2\build-system.jam:749: in load from module build-system V:\OFI-SJLJ-GCC452-32b\MinGW\msys\1.0\home\IUCTC\boost_1_48_0\tools\build\v2/kernel\modules.jam:283: in import from module modules V:\OFI-SJLJ-GCC452-32b\MinGW\msys\1.0\home\IUCTC\boost_1_48_0\tools\build\v2\kernel\bootstrap.jam:142: in boost-build from module V:\OFI-SJLJ-GCC452-32b\MinGW\msys\1.0\home\IUCTC\boost_1_48_0\boost-build.jam:17: in module scope from module However, with flag "minimal" 4. bjam -a --build-dir="./stage/" --build-type=minimal toolset=gcc stage Performing configuration checks - has_icu builds : no warning: Graph library does not contain MPI-based parallel components. note: to enable them, add "using mpi ;" to your user-config.jam - iconv (libc) : no - iconv (separate) : yes - icu : no - icu (lib64) : no - ../config//has_gcc_visibility builds : no - ../config//has_long_double_support builds : yes warning: skipping optional Message Passing Interface (MPI) library. note: to enable MPI support, add "using mpi ;" to user-config.jam. note: to suppress this message, pass "--without-mpi" to bjam. note: otherwise, you can safely ignore this message. warning: No python installation configured and autoconfiguration note: failed. See http://www.boost.org/libs/python/doc/building.html note: for configuration instructions or pass --without-python to note: suppress this message and silently skip all Boost.Python targets Component configuration: - chrono : building - date_time : building - exception : building - filesystem : building - graph : building - graph_parallel : building - iostreams : building - locale : building - math : building - mpi : building - program_options : building - python : building - random : building - regex : building - serialization : building - signals : building - system : building - test : building - thread : building - timer : building - wave : building ...patience... ...patience... ...patience... ...patience... ...found 6852 targets... ...updating 913 targets... common.mkdir stage\lib common.mkdir stage\boost\bin.v2\libs\regex\build\gcc-mingw-4.5.2\debug\link-static common.mkdir stage\boost\bin.v2\libs\regex\build\gcc-mingw-4.5.2\debug\link-static\threading-multi gcc.compile.c++ stage\boost\bin.v2\libs\regex\build\gcc-mingw-4.5.2\debug\link-static\threading-multi\c_regex_traits.o gcc.compile.c++ stage\boost\bin.v2\libs\regex\build\gcc-mingw-4.5.2\debug\link-static\threading-multi\cpp_regex_traits.o gcc.compile.c++ stage\boost\bin.v2\libs\regex\build\gcc-mingw-4.5.2\debug\link-static\threading-multi\cregex.o gcc.compile.c++ stage\boost\bin.v2\libs\regex\build\gcc-mingw-4.5.2\debug\link-static\threading-multi\fileiter.o gcc.compile.c++ stage\boost\bin.v2\libs\regex\build\gcc-mingw-4.5.2\debug\link-static\threading-multi\icu.o gcc.compile.c++ stage\boost\bin.v2\libs\regex\build\gcc-mingw-4.5.2\debug\link-static\threading-multi\instances.o gcc.compile.c++ stage\boost\bin.v2\libs\regex\build\gcc-mingw-4.5.2\debug\link-static\threading-multi\posix_api.o ... ... ... works! But...I need a full building. :( Help! Thank you in advance. :) JC

1 0

Re: [Boost-users] some warning C4273: inconsistent dll linkage
by code 21 Nov '11

21 Nov '11

Hi Alex, I still got some of warning C4273: inconsistent dll linkage like the following ---------------------- 1> thread.cpp1>..\Boost\thread.cpp(186): warning C4273: 'boost::thread::thread' : inconsistent dll linkage1> C:\3rdParty\BOOST_LIBRARY\boost-1.47.0\boost/thread/detail/thread.hpp(154) : see previous definition of '{ctor}'1>..\Boost\thread.cpp(189): warning C4273: 'boost::thread::start_thread' : inconsistent dll linkage1> C:\3rdParty\BOOST_LIBRARY\boost-1.47.0\boost/thread/detail/thread.hpp(120) : see previous definition of 'start_thread'1>..\Boost\thread.cpp(200): warning C4273: 'boost::thread::thread' : inconsistent dll linkage1> C:\3rdParty\BOOST_LIBRARY\boost-1.47.0\boost/thread/detail/thread.hpp(122) : see previous definition of '{ctor}'1>..\Boost\thread.cpp(242): warning C4273: 'boost::thread::~thread' : inconsistent dll linkage1> C:\3rdParty\BOOST_LIBRARY\boost-1.47.0\boost/thread/detail/thread.hpp(155) : see previous definition of '{dtor}' -------------- BTW, *after* I built boost thread libraries, I set #define BOOST_THREAD_DYN_LINK in boost-1.47.0/boost/boost/config/user.hpp, should I set BOOST_THREAD_DYN_LINK in this file *BEFORE* building boost thread libraries? Is it correct? Did I do something wrong? Thank you for your great help! Yan --- On Fri, 11/18/11, code <b4code(a)yahoo.com> wrote: From: code <b4code(a)yahoo.com> Subject: RE: [Boost-users] some warning C4273: inconsistent dll linkage To: "Alex Perry" <Alex.Perry(a)smartlogic.com> Date: Friday, November 18, 2011, 1:12 PM Thank you so much, Alex !! I understand better. Yan --- On Fri, 11/18/11, Alex Perry <Alex.Perry(a)smartlogic.com> wrote: From: Alex Perry <Alex.Perry(a)smartlogic.com> Subject: RE: [Boost-users] some warning C4273: inconsistent dll linkage To: "code" <b4code(a)yahoo.com> Date: Friday, November 18, 2011, 9:43 AM Hi Yan, Probably not : - ) It actually depends on your toolset / platform that you are using. #define BOOST_THREAD_NO_LIB like its version for all the boost libraries #BOOST_ALL_NO_LIB switches of the automagical linking of libraries for boost. Personally on platforms that support this (msvc, borland etc) I find it really useful – give your project the libdir of the boost libs and let the headers figure out what the name of the lib it wants to link to is (in fact I liked it so much I ended up nicking the boost naming conventions and using them for all our internal company library code coz it just made life so much easier – no more worrying whether dependent lib was compiled with /MD, /MDd or /MT etc which is such a pain with windows based compilers – especially when using dll’s rather than static libs) The NO_LIB define is there to avoid this automatic naming (ie the #pragma comment(lib,) the header adds to your code if supported by your toolset) and so it lets you name the lib you want to link to manually in your makefile / solution as per non boost libs (or when using gcc … ). For example in some x-platform code if you wanted the makefile the same for linux/windows (using cygwin or some such). Alex From: code [mailto:b4code@yahoo.com] Sent: 18 November 2011 16:07 To: boost-users(a)lists.boost.org; Alex Perry Cc: b4code(a)yahoo.com Subject: Re: [Boost-users] some warning C4273: inconsistent dll linkage Hi Alex, Thank you so much for the great advice. When I set #define BOOST_THREAD_DYN_LINK in my code, do I need to set #define BOOST_THREAD_NO_LIB at the same time? Thank you so much again! Yan --- On Fri, 11/18/11, Alex Perry <Alex.Perry(a)smartlogic.com> wrote: From: Alex Perry <Alex.Perry(a)smartlogic.com> Subject: [Boost-users] some warning C4273: inconsistent dll linkage To: "boost-users(a)lists.boost.org" <boost-users(a)lists.boost.org> Cc: "b4code(a)yahoo.com" <b4code(a)yahoo.com> Date: Friday, November 18, 2011, 1:11 AM On Thu, 17 Nov 2011 12:07:57 -0800 (PST) code <b4code(a)yahoo.com> wrote:- > Hi Boost Users, > > When I compiled and linked my projects with Boost libraries, I got the > following warnings > ...snip... > I want to link Boost.thread dll dynamically and other Boost libraries statically. > > If I set #define BOOST_ALL_DYN_LINK, I could not generate ...snip... I didn't see any answer to this but apologies if its already been answered. #define BOOST_ALL_DYN_LINK Is for use within your own consuming code - use the bjam --link option to control which version of boost libraries are built eg in boost root do:- bjam variant=debug,release threading=multi link=shared stage --with-thread which would build boost-thread as dll (bjam --help to get more info on options) then: #define BOOST_THREAD_DYN_LINK In your code would use the dll version of boost.thread (any other boost libs would still be looking for static versions) HTH Alex

1 0

[PropertyTree] Request to have string_path.get_separator()
by Gábor Márton 21 Nov '11

21 Nov '11

Hi, I am implementing my own read function to populate a property tree: void read_imm(const boost::property_tree::path& path, boost::property_tree::ptree& pt); The first parameter is to specify the root of the configuration tree, from where the property tree will get it's values. However in the implementation of read_imm the path must be parsed and reversed. For that I need to know the separator of the path. Currently, I have the following workaround to get the separator: char getSeparator(const boost::property_tree::path& path) { assert(!path.single()); assert(!path.empty()); std::string pathStr = path.dump(); namespace bpt = boost::property_tree; bpt::path pathCopy(path); std::string first = pathCopy.reduce(); return pathStr.at(first.length()); } This is inconvenient , so this letter is to request a public member function to get the separator to ease the use of boost::property_tree::path. Thanks, Gabor

2 1

[xpressive] Stack overflow with small stacks without compiler optimization turned on
by Ovanes Markarian 21 Nov '11

21 Nov '11

Hello *, I currently ran into the issue with xpressive. One of our test suites limits the stack usage to 32K and we have a stack overflow with over 600 function calls within xpressive. I stripped down our test case to the minimally reproducible source: #include <boost/xpressive/xpressive.hpp> #include <iostream> #include <string> using namespace boost::xpressive; namespace x=boost::xpressive; using namespace std; const sregex allowed_chars = x::set[alnum | (x::set= '_','-','+','.')]; sregex regex(string const& delim) { return bos // begin of sequence followed by >> !(s1=as_xpr(delim)) // zero or one delimiter (greedy) >> (s2=*(allowed_chars|as_xpr(delim)))// any number of allowed characters mixed with delim string ; } int main() { const string s = "Process.DiagBuffer"; string delim; cout << "enter delim: "; cin >> delim; smatch what; bool matched = regex_match(s, what, regex(delim)); const string suffix=what[s2]; cout << suffix << endl; return 0; } Compilation Platform is Linux 32 bit. Compiler call: g++ -g -I"../software/boost_1_47_0" -o test main.cpp For that source the stack has to be limited to 24K. You can set the stack size and core dump file size like this: $ ulimit -c 10000 -s 24 Consider using ulimit in the sub-shell, since stack size can't be increased anymore. If you are interested I can post the compiled executable and the core dump file. When using optimization this works fine (it crashes with stack size being less equal 12K), but the main question is: Is it really normal to have more than 600 function calls in Debug mode? Many thanks, Ovanes

2 2

答复: Boost-users Digest, Vol 2909, Issue 2
by 乔志强 21 Nov '11

21 Nov '11

I don't know, but I see the error for incomplete type, so try #define BOOST_VARIANT_NO_FULL_RECURSIVE_VARIANT_SUPPORT lib/gcc/mingw32/4.5.2/include/c++/bits/stl_pair.h:77:11: error: 'std::pair<_T1, _T2>::second' has incomplete type \boost_1_46_1/boost/variant/variant_fwd.hpp:232:12: error: forward declaration of 'struct boost::recursive_variant_' /////////////////////////////////////////////////////////////////////////////// // type recursive_variant_ // // Tag type indicates where recursive variant substitution should occur. // #if !defined(BOOST_VARIANT_NO_FULL_RECURSIVE_VARIANT_SUPPORT) struct recursive_variant_; // line 232: ERROR here #else typedef mpl::arg<1> recursive_variant_; #endif ------------------------------ Message: 5 Date: Fri, 18 Nov 2011 11:37:51 +0100 From: "Bodmer Marc" <Marc.Bodmer(a)bystronic.com> To: <qiaozhiqiang(a)leadcoretech.com> Cc: boost-users(a)lists.boost.org Subject: Re: [Boost-users] recursive_variant map recursion / incompletetype error Message-ID: <0456E5B751F6DB4A83688EED49C9CAF70E101096(a)CHNIS191.bystronic.metal.firm> Content-Type: text/plain; charset="utf-8" Hi, thanks for your help. This works for me. Do you have any clue why this is needed?

1 0

boost 1.48, Qt and [Parse error at "BOOST_JOIN"] error
by qplace 20 Nov '11

20 Nov '11

When I switched from boost 1.47 to 1.48 I started to get multiple compile-time errors: Parse error at "BOOST_JOIN", pointing to boost/type_traits/detail/has_binary_operator.hp(50) Falling back to 1.47 made this problem go away. I found discussion about this problem here: http://thread.gmane.org/gmane.comp.lib.boost.user/71406/focus=71459 There is a solution suggested in the above thread, but it is specific to the software that the author has problems with. Risking double-post, (I posted in this thread as well), I'd like to ask for generic suggestion of fixing this problem in 1.48.

2 2

[Boost.Test] reporting tests with warnings
by Olaf Meeuwissen 20 Nov '11

20 Nov '11

Hi all, For our CI setup I would like to be able to report the following results from our unit test suite: - number of tests aborted (started but did not complete) - number of tests failed - number of tests passed without warnings - number of tests passed with warnings The first two are supported just fine but the last two are collapsed into a single count in the reports. In the logs, I can make out the warning messages from the passing tests, but I can't seem to get at a count of the number of such tests in the (XML) reports. Any suggestions? Thanks in advance, -- Olaf Meeuwissen, LPIC-2 FLOSS Engineer -- AVASYS CORPORATION FSF Associate Member #1962 Help support software freedom http://www.fsf.org/jf?referrer=1962

5 11

[lambda] Using Boost.Lambda with overloaded operators on user defined types
by DeVill 19 Nov '11

19 Nov '11

Hi! I can work around this one easily, but I'm really interested what's wrong with it, and spent 2 days searching in vain. I have in SnakeCube.h the following: typedef boost::multi_array<int, 3> SnakeCubeSolution_t; typedef std::tr1::function<void(const SnakeCubeSolution_t&)> SnakeCubeSolutionCallback_t; typedef std::vector<int> SnakeCubeConstraint_t; void solveSnakeCube( const SnakeCubePosition_t& constraint, SnakeCubeSolutionCallback_t callback); std::ostream& operator<< (std::ostream& out, SnakeCubeSolution_t solution); I included <vector> <ostream> <boost/tr1/functional.hpp> <boost/multi_array.hpp> Function implementations do not seem important, since the problem persists with empty functions. --- The part that won't compile is the last line of main.cpp (Error message at the end of the post) #include <algorithm> #include <iostream> #include <boost/assign/std/vector.hpp> #include <boost/lambda/lambda.hpp> #include "SnakeCube.h" using namespace std; using namespace boost::assign; int main(int argc, char* argv[]) { using boost::lambda::_1; SnakeCubeConstraint_t constraint; constraint += 0,0,1,1,1,0,1,1,0,1,1,1,0,1,0,1,1,1,1,0,1,0,1,0,1,0,0; solveSnakeCube( constraint, cout << _1); // Other versions I tried: //solveSnakeCube( constraint, boost::ref(cout) << _1); //solveSnakeCube( constraint, boost::lambda::ret<ostream&>( cout << _1 ) ); } The easy way out is renaming the operator to printSoution, and use bind(printSolution, boost::ref(cout), _1) instead of cout << _1. Can someone please point me in the right direction on this matter? Thanks, Rafael --------------- g++ -Wall --pedantic -ansi -O3 -o snakecube main.cpp SnakeCube.o In file included from /usr/include/boost/lambda/lambda.hpp:22:0, from main.cpp:6: /usr/include/boost/lambda/detail/operator_lambda_func_base.hpp: In member function ‘RET boost::lambda::lambda_functor_base<boost::lambda::bitwise_action<boost::lambda::leftshift_action>, Args>::call(A&, B&, C&, Env&) const [with RET = std::basic_ostream<char>&, A = const boost::multi_array<int, 3ul>, B = const boost::tuples::null_type, C = const boost::tuples::null_type, Env = const boost::tuples::null_type, Args = boost::tuples::tuple<std::basic_ostream<char>&, boost::lambda::lambda_functor<boost::lambda::placeholder<1> >, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>]’: /usr/include/boost/lambda/detail/lambda_functors.hpp:202:50: instantiated from ‘typename boost::lambda::lambda_functor<Base>::inherited::sig<boost::tuples::tuple<const A&> >::type boost::lambda::lambda_functor<Base>::operator()(const A&) const [with A = boost::multi_array<int, 3ul>, T = boost::lambda::lambda_functor_base<boost::lambda::bitwise_action<boost::lambda::leftshift_action>, boost::tuples::tuple<std::basic_ostream<char>&, boost::lambda::lambda_functor<boost::lambda::placeholder<1> >, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >, typename boost::lambda::lambda_functor<Base>::inherited::sig<boost::tuples::tuple<const A&> >::type = std::basic_ostream<char>&]’ /usr/include/boost/function/function_template.hpp:153:11: instantiated from ‘static void boost::detail::function::void_function_obj_invoker1<FunctionObj, R, T0>::invoke(boost::detail::function::function_buffer&, T0) [with FunctionObj = boost::lambda::lambda_functor<boost::lambda::lambda_functor_base<boost::lambda::bitwise_action<boost::lambda::leftshift_action>, boost::tuples::tuple<std::basic_ostream<char>&, boost::lambda::lambda_functor<boost::lambda::placeholder<1> >, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> > >, R = void, T0 = const boost::multi_array<int, 3ul>&]’ /usr/include/boost/function/function_template.hpp:913:60: instantiated from ‘void boost::function1<R, T1>::assign_to(Functor) [with Functor = boost::lambda::lambda_functor<boost::lambda::lambda_functor_base<boost::lambda::bitwise_action<boost::lambda::leftshift_action>, boost::tuples::tuple<std::basic_ostream<char>&, boost::lambda::lambda_functor<boost::lambda::placeholder<1> >, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> > >, R = void, T0 = const boost::multi_array<int, 3ul>&]’ /usr/include/boost/function/function_template.hpp:722:7: instantiated from ‘boost::function1<R, T1>::function1(Functor, typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type) [with Functor = boost::lambda::lambda_functor<boost::lambda::lambda_functor_base<boost::lambda::bitwise_action<boost::lambda::leftshift_action>, boost::tuples::tuple<std::basic_ostream<char>&, boost::lambda::lambda_functor<boost::lambda::placeholder<1> >, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> > >, R = void, T0 = const boost::multi_array<int, 3ul>&, typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type = int]’ /usr/include/boost/function/function_template.hpp:1064:16: instantiated from ‘boost::function<R(T0)>::function(Functor, typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type) [with Functor = boost::lambda::lambda_functor<boost::lambda::lambda_functor_base<boost::lambda::bitwise_action<boost::lambda::leftshift_action>, boost::tuples::tuple<std::basic_ostream<char>&, boost::lambda::lambda_functor<boost::lambda::placeholder<1> >, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> > >, R = void, T0 = const boost::multi_array<int, 3ul>&, typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type = int]’ main.cpp:28:44: instantiated from here /usr/include/boost/lambda/detail/operator_lambda_func_base.hpp:212:1: error: no match for ‘operator<<’ in ‘boost::lambda::detail::select [with Any = std::basic_ostream<char>, A = const boost::multi_array<int, 3ul>, B = const boost::tuples::null_type, C = const boost::tuples::null_type, Env = const boost::tuples::null_type]((* & boost::tuples::get [with int N = 0, HT = std::basic_ostream<char>&, TT = boost::tuples::cons<boost::lambda::lambda_functor<boost::lambda::placeholder<1> >, boost::tuples::null_type>, typename boost::tuples::access_traits<typename boost::tuples::element<N, boost::tuples::cons<HT, TT> >::type>::const_type = std::basic_ostream<char>&]((* &((const boost::lambda::lambda_functor_base<boost::lambda::bitwise_action<boost::lambda::leftshift_action>, boost::tuples::tuple<std::basic_ostream<char>&, boost::lambda::lambda_functor<boost::lambda::placeholder<1> >, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >*)this)->boost::lambda::lambda_functor_base<boost::lambda::bitwise_action<boost::lambda::leftshift_action>, boost::tuples::tuple<std::basic_ostream<char>&, boost::lambda::lambda_functor<boost::lambda::placeholder<1> >, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >::args.boost::tuples::tuple<std::basic_ostream<char>&, boost::lambda::lambda_functor<boost::lambda::placeholder<1> >, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>::<anonymous>))), (* & a), (* & b), (* & c), (* & env)) << boost::lambda::detail::select [with Arg = boost::lambda::placeholder<1>, A = const boost::multi_array<int, 3ul>, B = const boost::tuples::null_type, C = const boost::tuples::null_type, Env = const boost::tuples::null_type, typename Arg::sig<boost::tuples::tuple<A&, B&, C&, Env&> >::type = const boost::multi_array<int, 3ul>&]((* & boost::tuples::get [with int N = 1, HT = std::basic_ostream<char>&, TT = boost::tuples::cons<boost::lambda::lambda_functor<boost::lambda::placeholder<1> >, boost::tuples::null_type>, typename boost::tuples::access_traits<typename boost::tuples::element<N, boost::tuples::cons<HT, TT> >::type>::const_type = const boost::lambda::lambda_functor<boost::lambda::placeholder<1> >&]((* &((const boost::lambda::lambda_functor_base<boost::lambda::bitwise_action<boost::lambda::leftshift_action>, boost::tuples::tuple<std::basic_ostream<char>&, boost::lambda::lambda_functor<boost::lambda::placeholder<1> >, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >*)this)->boost::lambda::lambda_functor_base<boost::lambda::bitwise_action<boost::lambda::leftshift_action>, boost::tuples::tuple<std::basic_ostream<char>&, boost::lambda::lambda_functor<boost::lambda::placeholder<1> >, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >::args.boost::tuples::tuple<std::basic_ostream<char>&, boost::lambda::lambda_functor<boost::lambda::placeholder<1> >, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>::<anonymous>))), (* & a), (* & b), (* & c), (* & env))’ /usr/include/boost/lambda/detail/operator_lambda_func_base.hpp:212:1: note: candidates are: /usr/include/c++/4.6/ostream:110:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__ostream_type& (*)(std::basic_ostream<_CharT, _Traits>::__ostream_type&)) [with _CharT = char, _Traits = std::char_traits<char>, std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] /usr/include/c++/4.6/ostream:110:7: note: no known conversion for argument 1 from ‘const boost::multi_array<int, 3ul>’ to ‘std::basic_ostream<char>::__ostream_type& (*)(std::basic_ostream<char>::__ostream_type&) {aka std::basic_ostream<char>& (*)(std::basic_ostream<char>&)}’ /usr/include/c++/4.6/ostream:119:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__ios_type& (*)(std::basic_ostream<_CharT, _Traits>::__ios_type&)) [with _CharT = char, _Traits = std::char_traits<char>, std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>, std::basic_ostream<_CharT, _Traits>::__ios_type = std::basic_ios<char>] /usr/include/c++/4.6/ostream:119:7: note: no known conversion for argument 1 from ‘const boost::multi_array<int, 3ul>’ to ‘std::basic_ostream<char>::__ios_type& (*)(std::basic_ostream<char>::__ios_type&) {aka std::basic_ios<char>& (*)(std::basic_ios<char>&)}’ /usr/include/c++/4.6/ostream:129:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::ios_base& (*)(std::ios_base&)) [with _CharT = char, _Traits = std::char_traits<char>, std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] /usr/include/c++/4.6/ostream:129:7: note: no known conversion for argument 1 from ‘const boost::multi_array<int, 3ul>’ to ‘std::ios_base& (*)(std::ios_base&)’ /usr/include/c++/4.6/ostream:167:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long int) [with _CharT = char, _Traits = std::char_traits<char>, std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] /usr/include/c++/4.6/ostream:167:7: note: no known conversion for argument 1 from ‘const boost::multi_array<int, 3ul>’ to ‘long int’ /usr/include/c++/4.6/ostream:171:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long unsigned int) [with _CharT = char, _Traits = std::char_traits<char>, std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] /usr/include/c++/4.6/ostream:171:7: note: no known conversion for argument 1 from ‘const boost::multi_array<int, 3ul>’ to ‘long unsigned int’ /usr/include/c++/4.6/ostream:175:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(bool) [with _CharT = char, _Traits = std::char_traits<char>, std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] /usr/include/c++/4.6/ostream:175:7: note: no known conversion for argument 1 from ‘const boost::multi_array<int, 3ul>’ to ‘bool’ /usr/include/c++/4.6/bits/ostream.tcc:93:5: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(short int) [with _CharT = char, _Traits = std::char_traits<char>] /usr/include/c++/4.6/bits/ostream.tcc:93:5: note: no known conversion for argument 1 from ‘const boost::multi_array<int, 3ul>’ to ‘short int’ /usr/include/c++/4.6/ostream:182:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(short unsigned int) [with _CharT = char, _Traits = std::char_traits<char>, std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] /usr/include/c++/4.6/ostream:182:7: note: no known conversion for argument 1 from ‘const boost::multi_array<int, 3ul>’ to ‘short unsigned int’ /usr/include/c++/4.6/bits/ostream.tcc:107:5: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(int) [with _CharT = char, _Traits = std::char_traits<char>] /usr/include/c++/4.6/bits/ostream.tcc:107:5: note: no known conversion for argument 1 from ‘const boost::multi_array<int, 3ul>’ to ‘int’ /usr/include/c++/4.6/ostream:193:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(unsigned int) [with _CharT = char, _Traits = std::char_traits<char>, std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] /usr/include/c++/4.6/ostream:193:7: note: no known conversion for argument 1 from ‘const boost::multi_array<int, 3ul>’ to ‘unsigned int’ /usr/include/c++/4.6/ostream:202:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char, _Traits = std::char_traits<char>, std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] /usr/include/c++/4.6/ostream:202:7: note: no known conversion for argument 1 from ‘const boost::multi_array<int, 3ul>’ to ‘long long int’ /usr/include/c++/4.6/ostream:206:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long unsigned int) [with _CharT = char, _Traits = std::char_traits<char>, std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] /usr/include/c++/4.6/ostream:206:7: note: no known conversion for argument 1 from ‘const boost::multi_array<int, 3ul>’ to ‘long long unsigned int’ /usr/include/c++/4.6/ostream:211:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(double) [with _CharT = char, _Traits = std::char_traits<char>, std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] /usr/include/c++/4.6/ostream:211:7: note: no known conversion for argument 1 from ‘const boost::multi_array<int, 3ul>’ to ‘double’ /usr/include/c++/4.6/ostream:215:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(float) [with _CharT = char, _Traits = std::char_traits<char>, std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] /usr/include/c++/4.6/ostream:215:7: note: no known conversion for argument 1 from ‘const boost::multi_array<int, 3ul>’ to ‘float’ /usr/include/c++/4.6/ostream:223:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long double) [with _CharT = char, _Traits = std::char_traits<char>, std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] /usr/include/c++/4.6/ostream:223:7: note: no known conversion for argument 1 from ‘const boost::multi_array<int, 3ul>’ to ‘long double’ /usr/include/c++/4.6/ostream:227:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(const void*) [with _CharT = char, _Traits = std::char_traits<char>, std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] /usr/include/c++/4.6/ostream:227:7: note: no known conversion for argument 1 from ‘const boost::multi_array<int, 3ul>’ to ‘const void*’ /usr/include/c++/4.6/bits/ostream.tcc:121:5: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char, _Traits = std::char_traits<char>, std::basic_ostream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>] /usr/include/c++/4.6/bits/ostream.tcc:121:5: note: no known conversion for argument 1 from ‘const boost::multi_array<int, 3ul>’ to ‘std::basic_ostream<char>::__streambuf_type* {aka std::basic_streambuf<char>*}’ /usr/include/boost/lambda/detail/operators.hpp:114:1: note: template<class Arg, class B> const boost::lambda::lambda_functor<boost::lambda::lambda_functor_base<boost::lambda::bitwise_action<boost::lambda::leftshift_action>, boost::tuples::tuple<boost::lambda::lambda_functor<Arg>, typename boost::lambda::const_copy_argument<const B>::type> > > boost::lambda::operator<<(const boost::lambda::lambda_functor<Arg>&, const B&) /usr/include/boost/lambda/detail/operators.hpp:114:1: note: template<class A, class Arg> const boost::lambda::lambda_functor<boost::lambda::lambda_functor_base<boost::lambda::bitwise_action<boost::lambda::leftshift_action>, boost::tuples::tuple<typename boost::lambda::const_copy_argument<const A>::type, boost::lambda::lambda_functor<Arg> > > > boost::lambda::operator<<(const A&, const boost::lambda::lambda_functor<Arg>&) /usr/include/boost/lambda/detail/operators.hpp:114:1: note: template<class ArgA, class ArgB> const boost::lambda::lambda_functor<boost::lambda::lambda_functor_base<boost::lambda::bitwise_action<boost::lambda::leftshift_action>, boost::tuples::tuple<boost::lambda::lambda_functor<Arg>, boost::lambda::lambda_functor<Arg> > > > boost::lambda::operator<<(const boost::lambda::lambda_functor<Arg>&, const boost::lambda::lambda_functor<Arg>&) /usr/include/boost/lambda/detail/operators.hpp:205:1: note: template<class A, class Arg> const boost::lambda::lambda_functor<boost::lambda::lambda_functor_base<boost::lambda::bitwise_action<boost::lambda::leftshift_action>, boost::tuples::tuple<typename boost::lambda::detail::convert_ostream_to_ref_others_to_c_plain_by_default<A>::type, boost::lambda::lambda_functor<Arg> > > > boost::lambda::operator<<(A&, const boost::lambda::lambda_functor<Arg>&) /usr/include/boost/lambda/detail/operators.hpp:222:1: note: template<class Arg, class Ret, class ManipArg> const boost::lambda::lambda_functor<boost::lambda::lambda_functor_base<boost::lambda::bitwise_action<boost::lambda::leftshift_action>, boost::tuples::tuple<boost::lambda::lambda_functor<Arg>, Ret (&)(ManipArg)> > > boost::lambda::operator<<(const boost::lambda::lambda_functor<Arg>&, Ret (&)(ManipArg)) /usr/include/c++/4.6/complex:521:5: note: template<class _Tp, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::complex<_Tp>&) /usr/include/c++/4.6/ostream:528:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const unsigned char*) /usr/include/c++/4.6/ostream:523:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const signed char*) /usr/include/c++/4.6/ostream:510:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const char*) /usr/include/c++/4.6/bits/ostream.tcc:323:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const char*) /usr/include/c++/4.6/ostream:493:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const _CharT*) /usr/include/c++/4.6/ostream:473:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, unsigned char) /usr/include/c++/4.6/ostream:468:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, signed char) /usr/include/c++/4.6/ostream:462:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, char) /usr/include/c++/4.6/ostream:456:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, char) /usr/include/c++/4.6/ostream:451:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, _CharT) /usr/include/c++/4.6/bits/basic_string.h:2693:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::basic_string<_CharT, _Traits, _Alloc>&)

2 1

Building Boost 1.48 using Intel compiler
by Kim 19 Nov '11

19 Nov '11

First time posting to a mailing list, sorry if I've messed something up. I'm trying to build Boost 1.48 using Intel XE 12.1 and when running bjam it brings up "Windows can't open this file" for each file. I tried to adapt instructions from here: http://software.intel.com/en-us/articles/building-boost-with-intel-c/ I added the following to user-config.jam: using intel-win : 12.1 : "C:/Program Files (x86)/Intel/Composer XE/bin/ia32/icl.exe" : intel "C:/Program Files (x86)/Intel/Composer XE/bin/iclvars_ia32.bat" ; I tried building with the following command: C:\Users\blanked\Desktop\boost_1_48_0>bjam --toolset="intel" "-sINTEL_PATH=C :\Program Files (x86)\Intel\Composer XE\bin\ia32\" "-sINTEL_BASE_MSVC_TOOLSET=vc -10_0" "-sINTEL_VERSION=12.1" Building the Boost C++ Libraries. Performing configuration checks - has_icu builds : no warning: Graph library does not contain MPI-based parallel components. note: to enable them, add "using mpi ;" to your user-config.jam - iconv (libc) : no - iconv (separate) : no - icu : no - icu (lib64) : no - ../config//has_gcc_visibility builds : yes - ../config//has_long_double_support builds : yes warning: skipping optional Message Passing Interface (MPI) library. note: to enable MPI support, add "using mpi ;" to user-config.jam. note: to suppress this message, pass "--without-mpi" to bjam. note: otherwise, you can safely ignore this message. warning: No python installation configured and autoconfiguration note: failed. See http://www.boost.org/libs/python/doc/building.html note: for configuration instructions or pass --without-python to note: suppress this message and silently skip all Boost.Python targets Component configuration: - chrono : building - date_time : building - exception : building - filesystem : building - graph : building - graph_parallel : building - iostreams : building - locale : building - math : building - mpi : building - program_options : building - python : building - random : building - regex : building - serialization : building - signals : building - system : building - test : building - thread : building - timer : building - wave : building ...patience... ...patience... ...patience... ...patience... ...found 6797 targets... ...updating 804 targets... compile-c-c++ bin.v2\libs\regex\build\intel-win\debug\link-static\threading-mult i\c_regex_traits.obj compile-c-c++ bin.v2\libs\regex\build\intel-win\debug\link-static\threading-mult i\cpp_regex_traits.obj compile-c-c++ bin.v2\libs\regex\build\intel-win\debug\link-static\threading-mult i\cregex.obj compile-c-c++ bin.v2\libs\regex\build\intel-win\debug\link-static\threading-mult i\fileiter.obj compile-c-c++ bin.v2\libs\regex\build\intel-win\debug\link-static\threading-mult i\icu.obj compile-c-c++ bin.v2\libs\regex\build\intel-win\debug\link-static\threading-mult i\instances.obj compile-c-c++ bin.v2\libs\regex\build\intel-win\debug\link-static\threading-mult i\posix_api.obj compile-c-c++ bin.v2\libs\regex\build\intel-win\debug\link-static\threading-mult i\regex.obj compile-c-c++ bin.v2\libs\regex\build\intel-win\debug\link-static\threading-mult i\regex_debug.obj compile-c-c++ bin.v2\libs\regex\build\intel-win\debug\link-static\threading-mult i\regex_raw_buffer.obj compile-c-c++ bin.v2\libs\regex\build\intel-win\debug\link-static\threading-mult i\regex_traits_defaults.obj compile-c-c++ bin.v2\libs\regex\build\intel-win\debug\link-static\threading-mult i\static_mutex.obj compile-c-c++ bin.v2\libs\regex\build\intel-win\debug\link-static\threading-mult i\w32_regex_traits.obj compile-c-c++ bin.v2\libs\regex\build\intel-win\debug\link-static\threading-mult i\wc_regex_traits.obj compile-c-c++ bin.v2\libs\regex\build\intel-win\debug\link-static\threading-mult i\wide_posix_api.obj compile-c-c++ bin.v2\libs\regex\build\intel-win\debug\link-static\threading-mult i\winstances.obj compile-c-c++ bin.v2\libs\regex\build\intel-win\debug\link-static\threading-mult i\usinstances.obj intel-win.archive bin.v2\libs\regex\build\intel-win\debug\link-static\threading- multi\libboost_regex-iw-mt-gd-1_48.lib '/lib' is not recognized as an internal or external command, operable program or batch file. Thanks a lot for your time, guys.

5 8

has_binary_operator.hpp error
by Panagiotis Foteinos 19 Nov '11

19 Nov '11

Hello list. I just upgraded my system to the newest version of boost, i.e., 1.48.0. Boost compiled just fine. However, I recompile my applications (that link to boost) and I get the following error: ****************************************************************** usr/local/include/boost/type_traits/detail/has_binary_operator.hp:50: Parse error at "BOOST_JOIN" ****************************************************************** Any suggestions? Regards, Panagiotis Foteinos

6 9

BOOST ASIO relation between I/O Service and a Socket and a Thread
by Gokulakannan Somasundaram 19 Nov '11

19 Nov '11

Hi, By going through ASIO, i find that the I/O Service gets run on a thread and the socket gets created with a I/O Service. So the data for the socket has to be always sent through the same thread. For trying take advantage of data localization, i am exploring whether it would be possible to have a thread per multi-core processor running the io_service::run() method. I am just wondering there is a way where in i can change the io_service associated with the socket. Can someone help me with that? Thanks, Gokul.

2 1

[Boost.Intrusive] Intrusive doubly linked list does not compile on xlC11.1
by Ioannis Papadopoulos 19 Nov '11

19 Nov '11

Hi, I'm trying to compile the intrusive doubly linked list example from http://www.boost.org/doc/libs/1_47_0/doc/html/intrusive/list.html#intrusive… using xlC11.1 on AIX/Power5+ and I am getting the following error: 1540-0216 (S) An expression of type "overloaded function: base_hook_traits<MyClass,boost::intrusive::list_node_traits<void *>,1,boost::intrusive::default_tag,1>::to_node_ptr" cannot be converted to type "boost::intrusive::list_node<void *> *(boost::intrusive::detail::base_hook_traits<MyClass,boost::intrusive::list_node_traits<void *>,1,boost::intrusive::default_tag,1>::*)(MyClass &)". "/scratch/ipapado/usr/include/boost/intrusive/detail/utilities.hpp", line 383.20: 1540-0424 (I) "boost::intrusive::detail::base_hook_traits<MyClass,boost::intrusive::list_node_traits<void *>,1,boost::intrusive::default_tag,1>::to_node_ptr(reference)" is declared on line 383 of "/scratch/ipapado/usr/include/boost/intrusive/detail/utilities.hpp". "/scratch/ipapado/usr/include/boost/intrusive/detail/utilities.hpp", line 386.26: 1540-0424 (I) "boost::intrusive::detail::base_hook_traits<MyClass,boost::intrusive::list_node_traits<void *>,1,boost::intrusive::default_tag,1>::to_node_ptr(const_reference)" is declared on line 386 of "/scratch/ipapado/usr/include/boost/intrusive/detail/utilities.hpp". "/scratch/ipapado/usr/include/boost/intrusive/detail/is_stateful_value_traits.hpp", line 38.1: 1540-0700 (I) The previous message was produced while processing "boost::intrusive::function_detector::DetectMember_InstantiationKey_to_node_ptr<struct boost::intrusive::detail::base_hook_traits<MyClass,boost::intrusive::list_node_traits<void *>,1,boost::intrusive::default_tag,1>,struct boost::intrusive::list_node<void *> *(boost::intrusive::detail::base_hook_traits<MyClass,boost::intrusive::list_node_traits<void *>,1,boost::intrusive::default_tag,1>::*)(class MyClass &),struct boost::intrusive::list...". Any known workarounds? Thanks

2 3

predicate for bundled properties in filtered graph
by giridhar 18 Nov '11

18 Nov '11

Hello All, I am getting little confused in defining the predicate for filtered graph since my properties are bundled. I need to compare two bundled property inside the predicate, I am not getting any idea of how to access this property there. Bundled property is declared as: struct Edgep { int edge_index; int edge_w; std::string edge_name; int capacity; int residual_capcity; int bandwidth_used; }; typedef subgraph< adjacency_list<vecS, vecS, undirectedS, Vertexp, property< edge_index_t, unsigned int, Edgep > > > Graph; I am creating the edge bundled property map as typedef bundle_property_map<Graph, Graph::edge_descriptor, Edgep, int> EM; I need to filter those edges whose bandwidth_used < residual_capacity. According to my understanding, I need to create a map to bandwidth_used and residual_capacity and pass this to predicate function. But can I define a predicate to take 2 different input maps or what is the better way to do this? I need some help at this part. Your suggestions would be of great help for me to proceed. -- Regards, Giridhar

2 1

[boost] Reminder! Boost.Local Review officially ends Saturday, Nov 19, 2011
by Jeffrey Lee Hellrung, Jr. 18 Nov '11

18 Nov '11

Just a friendly reminder that the ongoing Boost.Local review is officially set to end tomorrow (Saturday), Nov 19, 2011. Please let me know if you plan on reviewing the library but need more time, possibly into early next week, and I'll either formally extend the review period (subject to the Review Wizards' approval) or simply informally allow late submissions. Copied below is the original review announcement: ---------------- Hi all, It is time! The review of Lorenzo Caminiti's proposed Boost.Local library begins tomorrow, ***November 10, 2011***, and ends on ***November 19, 2011***. Boost.Local implements local functions, local blocks, and local exits for the C++ programming language. It allows one to define a function at any declarative scope, including function scope; bind variables from the enclosing scope; and pass this function to templated STL-style algorithms. Please see the Introduction of the documentation for a longer but still brief overview. -------- The code and documentation are available from the Boost sandbox ( https://svn.boost.org/svn/boost/sandbox/) https://svn.boost.org/svn/boost/sandbox/local/ [everything] https://svn.boost.org/svn/boost/sandbox/local/boost/ [code] https://svn.boost.org/svn/boost/sandbox/local/libs/local/doc/html/index.htm… -------- Please state clearly whether you think this library should be accepted as a Boost library. Other questions you may want to consider: - What is your evaluation of the design? - What is your evaluation of the implementation? - What is your evaluation of the documentation? - What is your evaluation of the potential usefulness of the library? - Did you try to use the library? With what compiler? Did you have any problems? - How much effort did you put into your evaluation? A glance? A quick reading? In-depth study? - Are you knowledgeable about the problem domain? Please also consider the following issues and proposals specific to Boost.Local. Your opinion is welcome on any or all of these. - Boost.Local's local exits provide the same functionality (and then some) as Boost.ScopeExit. Does this duplication of functionality need to be dealt with, and if so, how? - Lorenzo is proposing to add boost::local::function:: overload to Boost.Function as boost::function::overload. See https://svn.boost.org/svn/boost/sandbox/local/libs/local/doc/html/boost/loc… - Lorenzo is proposing to add BOOST_IDENTITY_TYPE to boost/utility. See https://svn.boost.org/svn/boost/sandbox/local/libs/local/doc/html/BOOST_IDE… - Likewise, Lorenzo is proposing to add BOOST_IDENTITY_VALUE to boost/utility. See https://svn.boost.org/svn/boost/sandbox/local/libs/local/doc/html/BOOST_IDE… -------- Lastly, please note that Boost.Local has included a copy of the Variadic Macro Data (VMD) library in boost/detail/preprocessor/variadic_macro_data. Since then, VMD has been modified and integrated into Boost.Preprocessor. After the review has concluded, Lorenzo will remove this local copy of the VMD library and replace its usage within Boost.Local with the Boost.Preprocessor variadic extensions. -------- Thanks in advance to all who participate in the review discussion; I'm looking forward to it! - Jeffrey Hellrung (Review Manager) - Gregory Crosswhite (Review Assistant)

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[boost] Boost.Local Review (Nov 10, 2011 to Nov 19, 2011)
by Jeffrey Lee Hellrung, Jr. 18 Nov '11

18 Nov '11

Hi all, It is time! The review of Lorenzo Caminiti's proposed Boost.Local library begins tomorrow, ***November 10, 2011***, and ends on ***November 19, 2011***. Boost.Local implements local functions, local blocks, and local exits for the C++ programming language. It allows one to define a function at any declarative scope, including function scope; bind variables from the enclosing scope; and pass this function to templated STL-style algorithms. Please see the Introduction of the documentation for a longer but still brief overview. -------- The code and documentation are available from the Boost sandbox ( https://svn.boost.org/svn/boost/sandbox/) https://svn.boost.org/svn/boost/sandbox/local/ [everything] https://svn.boost.org/svn/boost/sandbox/local/boost/ [code] https://svn.boost.org/svn/boost/sandbox/local/libs/local/doc/html/index.htm… -------- Please state clearly whether you think this library should be accepted as a Boost library. Other questions you may want to consider: - What is your evaluation of the design? - What is your evaluation of the implementation? - What is your evaluation of the documentation? - What is your evaluation of the potential usefulness of the library? - Did you try to use the library? With what compiler? Did you have any problems? - How much effort did you put into your evaluation? A glance? A quick reading? In-depth study? - Are you knowledgeable about the problem domain? Please also consider the following issues and proposals specific to Boost.Local. Your opinion is welcome on any or all of these. - Boost.Local's local exits provide the same functionality (and then some) as Boost.ScopeExit. Does this duplication of functionality need to be dealt with, and if so, how? - Lorenzo is proposing to add boost::local::function:: overload to Boost.Function as boost::function::overload. See https://svn.boost.org/svn/boost/sandbox/local/libs/local/doc/html/boost/loc… - Lorenzo is proposing to add BOOST_IDENTITY_TYPE to boost/utility. See https://svn.boost.org/svn/boost/sandbox/local/libs/local/doc/html/BOOST_IDE… - Likewise, Lorenzo is proposing to add BOOST_IDENTITY_VALUE to boost/utility. See https://svn.boost.org/svn/boost/sandbox/local/libs/local/doc/html/BOOST_IDE… -------- Lastly, please note that Boost.Local has included a copy of the Variadic Macro Data (VMD) library in boost/detail/preprocessor/variadic_macro_data. Since then, VMD has been modified and integrated into Boost.Preprocessor. After the review has concluded, Lorenzo will remove this local copy of the VMD library and replace its usage within Boost.Local with the Boost.Preprocessor variadic extensions. -------- Thanks in advance to all who participate in the review discussion; I'm looking forward to it! - Jeffrey Hellrung (Review Manager) - Gregory Crosswhite (Review Assistant)

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automatic conversion between boost::container::string and std::string
by Yi Ding 18 Nov '11

18 Nov '11

Hi, Thanks for the new containers library. There's a lot of useful stuff in there. I was wondering: is it possible to do automatic conversion between boost::container::string and std::string? A lot of libraries currently use std::string. Thanks, Yi

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Re: [Boost-users] Building Boost 1.48 using Intel compiler
by Alex Perry 18 Nov '11

18 Nov '11

On Fri, 18 Nov 2011 15:40:23 +0100 Sergiu Dotenco <sergiu.dotenco(a)gmail.com> wrote:- > Am 17.11.2011 23:52, schrieb Kim: > > First time posting to a mailing list, sorry if I've messed something up. > > > > I'm trying to build Boost 1.48 using Intel XE 12.1 and when running > > bjam it brings up "Windows can't open this file" for each file. > > ...snip... > It works for me if I setup the environment variables first by executing > iclvars.bat. After that bjam toolset=intel can be used to compile Boost > without additional settings. > > Unfortunately, two problems remain. The first one is a compilation error > related to Boost.PropertyTree: > ...snip... > > The second one is related to Boost.Locale: bjam is unable to detect the > Windows version of ICU. This is due the fact, that bjam tries to locate > icudata.lib and icui18n.lib instead of icudt.lib and icuin.lib respectively, which > are the Windows names of the former libraries. > Have you built ICU from source? And set ICU_PATH in environment - I think I remember similar chasing of errors when building regex with the optional ICU support - problem was obvious in retrospect I'd installed ICU with prebuilt binaries and didn't have debug version available on machine. HTH Alex > > ------------------------------ > > Message: 6 > Date: Fri, 18 Nov 2011 06:48:12 -0800 > From: Steven Watanabe <watanabesj(a)gmail.com> > To: boost-users(a)lists.boost.org > Subject: Re: [Boost-users] Trivial logging with boost.log > Message-ID: <4EC6702C.6080906(a)providere-consulting.com> > Content-Type: text/plain; charset=ISO-8859-1 > > AMDG > > On 11/18/2011 03:57 AM, Konstantin Ribel wrote: > > I finally managed to build the boost lib including boost.log. Now I am > > trying to get trivial logging to work, but I am experiencing some > > issues with it. Here is what I have done so far: > > > > <snip> > > > > When I hit the build button I get 10 errors. The build log is attached > > to this email. > > > > Does anybody know what to do in this situation? Do I have to define some > symbols? > > > > You need to link to the library. (-lboost_log) > > In Christ, > Steven Watanabe > > > ------------------------------ > > _______________________________________________ > Boost-users mailing list > Boost-users(a)lists.boost.org > http://lists.boost.org/mailman/listinfo.cgi/boost-users > > End of Boost-users Digest, Vol 2909, Issue 4 > ********************************************

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[MPI] request::test() crashes or returns garbage
by Patrik Jonsson 18 Nov '11

18 Nov '11

Hi, I'm having some problem with nonblocking p2p communications. This is with boost 1.47 and openmpi-1.5.3 compiled with icpc 12.0.3. Here's an example that exhibits the problem: #include <boost/mpi.hpp> #include <iostream> #include <vector> using namespace boost::mpi; using namespace std; int main(int argc, char* argv[]) { environment env(argc, argv); communicator world; vector<request> handshake_reqs_; for(int i=0; i<world.size(); ++i) { if(i!=world.rank()) { printf("Task %d posting recv from %d\n",world.rank(), i); handshake_reqs_.push_back(world.irecv(i, 13)); printf("Task %d sending to %d\n",world.rank(), i); world.isend(i, 13); } } for(int i=0; i<handshake_reqs_.size(); ++i) { boost::optional<status> s=handshake_reqs_[i].test(); if(s.is_initialized()) { const int source_task = s.get().source(); const int tag = s.get().tag(); printf("Task %d received message tag %d from task %d\n",world.rank(), tag, source_task);cout.flush(); } } } So, essentially, all tasks send a message with tag 13 to all other tasks, who have posted nonblocking receives for such a message. The output from this program is something like: [pjonsson@sunrise03 ~]$ mpirun -np 3 ./a.outTask 0 posting recv from 1 Task 0 sending to 1 Task 1 posting recv from 0 Task 1 sending to 0 Task 1 posting recv from 2 Task 0 posting recv from 2 Task 0 sending to 2 Task 1 sending to 2 Task 1 received message tag 0 from task 0 [sunrise03:06504] *** Process received signal *** [sunrise03:06504] Signal: Segmentation fault (11) [sunrise03:06504] Signal code: Address not mapped (1) [sunrise03:06504] Failing at address: 0x100000037 Task 2 posting recv from 0 Task 2 sending to 0 Task 2 posting recv from 1 Task 0 received message tag 1 from task 0 [sunrise03:06504] [ 0] /lib64/libpthread.so.0 [0x3d6c20eb10] [sunrise03:06504] [ 1] /n/home00/pjonsson/lib/libboost_mpi.so.1.47.0(_ZN5boost3mpi7request4testEv+0xc) [0x2b2fe9863a3c] [sunrise03:06504] [ 2] ./a.out(main+0x35d) [0x40ab37] [sunrise03:06504] [ 3] /lib64/libc.so.6(__libc_start_main+0xf4) [0x3d6b61d994] [sunrise03:06504] [ 4] ./a.out(_ZNSt8ios_base4InitD1Ev+0x41) [0x407039] [sunrise03:06504] *** End of error message *** [sunrise03:06503] *** Process received signal *** [sunrise03:06503] Signal: Segmentation fault (11) [sunrise03:06503] Signal code: Address not mapped (1) [sunrise03:06503] Failing at address: 0x100000037 [sunrise03:06503] [ 0] /lib64/libpthread.so.0 [0x3d6c20eb10] [sunrise03:06503] [ 1] /n/home00/pjonsson/lib/libboost_mpi.so.1.47.0(_ZN5boost3mpi7request4testEv+0xc) [0x2b44a0822a3c] [sunrise03:06503] [ 2] ./a.out(main+0x35d) [0x40ab37] [sunrise03:06503] [ 3] /lib64/libc.so.6(__libc_start_main+0xf4) [0x3d6b61d994] [sunrise03:06503] [ 4] ./a.out(_ZNSt8ios_base4InitD1Ev+0x41) [0x407039] [sunrise03:06503] *** End of error message *** [sunrise03:06505] *** Process received signal *** [sunrise03:06505] Signal: Segmentation fault (11) [sunrise03:06505] Signal code: Address not mapped (1) [sunrise03:06505] Failing at address: 0x100000037 Task 2 sending to 1 Task 2 received message tag 0 from task 0 [sunrise03:06505] [ 0] /lib64/libpthread.so.0 [0x3d6c20eb10] [sunrise03:06505] [ 1] /n/home00/pjonsson/lib/libboost_mpi.so.1.47.0(_ZN5boost3mpi7request4testEv+0xc) [0x2b7c652b4a3c] [sunrise03:06505] [ 2] ./a.out(main+0x35d) [0x40ab37] [sunrise03:06505] [ 3] /lib64/libc.so.6(__libc_start_main+0xf4) [0x3d6b61d994] [sunrise03:06505] [ 4] ./a.out(_ZNSt8ios_base4InitD1Ev+0x41) [0x407039] [sunrise03:06505] *** End of error message *** Sometimes it doesn't crash but just returns garbage for the source/tag, like all messages have source 0 and tag value that is the source task. Using test_some gives similar results. If I write the same using the C API, it works correctly: int main(int argc, char* argv[]) { MPI_Init(&argc, &argv); int rank, size; MPI_Comm_rank(MPI_COMM_WORLD, &rank); MPI_Comm_size(MPI_COMM_WORLD, &size); vector<MPI_Request> handshake_reqs_; for(int i=0; i<size; ++i) { if(i!=rank) { handshake_reqs_.push_back(MPI_Request()); MPI_Irecv(0,0, MPI_INT, i, 13, MPI_COMM_WORLD, &handshake_reqs_.back()); printf("Task %d sending to %d\n",rank, i); MPI_Request r; MPI_Isend(0,0, MPI_INT, i, 13, MPI_COMM_WORLD, &r); } } while(true) { for(int i=0; i<handshake_reqs_.size(); ++i) { int complete; MPI_Status s; MPI_Test(&handshake_reqs_[i], &complete, &s); if(complete) { const int source_task = s.MPI_SOURCE; const int tag = s.MPI_TAG; printf("Task %d received message tag %d from task %d\n",rank, tag, source_task);cout.flush(); MPI_Irecv(0,0, MPI_INT, i, 13, MPI_COMM_WORLD, &handshake_reqs_[i]); } } } } returns: [pjonsson@sunrise03 ~]$ mpirun -np 3 ./a.out Task 2 sending to 0 Task 2 sending to 1 Task 0 sending to 1 Task 0 sending to 2 Task 0 received message tag 13 from task 2 Task 2 received message tag 13 from task 0 Task 1 sending to 0 Task 0 received message tag 13 from task 1 Task 1 sending to 2 Task 2 received message tag 13 from task 1 Task 1 received message tag 13 from task 0 Task 1 received message tag 13 from task 2 Any ideas what might be going wrong? Regards, /Patrik

2 4

some warning C4273: inconsistent dll linkage
by Alex Perry 18 Nov '11

18 Nov '11

On Thu, 17 Nov 2011 12:07:57 -0800 (PST) code <b4code(a)yahoo.com> wrote:- > Hi Boost Users, > > When I compiled and linked my projects with Boost libraries, I got the > following warnings > ...snip... > I want to link Boost.thread dll dynamically and other Boost libraries statically. > > If I set #define BOOST_ALL_DYN_LINK, I could not generate ...snip... I didn't see any answer to this but apologies if its already been answered. #define BOOST_ALL_DYN_LINK Is for use within your own consuming code - use the bjam --link option to control which version of boost libraries are built eg in boost root do:- bjam variant=debug,release threading=multi link=shared stage --with-thread which would build boost-thread as dll (bjam --help to get more info on options) then: #define BOOST_THREAD_DYN_LINK In your code would use the dll version of boost.thread (any other boost libs would still be looking for static versions) HTH Alex

2 1

Re: [Boost-users] Boost 1.48.0 Release Notice
by Andrew Maclean 18 Nov '11

18 Nov '11

> > ---------- Forwarded message ---------- > From: Michael Jackson <imikejackson(a)gmail.com> > To: boost-users(a)lists.boost.org > Date: Wed, 16 Nov 2011 10:27:18 -0500 > Subject: Re: [Boost-users] Boost 1.48.0 Release Notice > On 11/16/11 10:05 AM, in article > CAArKS8i9AtMcQhRtxt81LQZm4vTVeanhuhQLFgVBjahLv+oJxw(a)mail.gmail.com, "Tom > Kent" wrote: > > >> Subject: [Boost-users] Boost 1.48.0 Release Notice > >> From: Beman Dawes (bdawes_at_[hidden]) > >> Date: 2011-11-16 07:33:06 > >> > >> Release 1.48.0 of the Boost C++ Libraries is now available. > >> These open-source libraries work well with the C++ Standard Library, > >> and are usable across a broad spectrum of applications. The Boost > >> license encourages both commercial and non-commercial use. > >> This release contains new libraries: Container, Locale, Move. Updated > >> libraries include: Asio, Chrono, Config, Fusion, Geometry, Graph, > >> Interprocess, Intrusive, Lexical cast, Math, MSM, Numeric Conversion, > >> Proto, Regex, Spirit, TypeTraits, Unordered, Wave, and more. For > >> details, including download links, see > >> http://www.boost.org/users/news/version_1_48_0 > >> You can also download directly from SourceForge: > >> http://sourceforge.net/projects/boost/files/boost/1.48.0/ > >> To install this release on your system, see > >> http://www.boost.org/doc/libs/release/more/getting_started/index.html > >> Thanks, > >> --The Boost release team > >> Beman Dawes > >> Daniel James > >> Eric Niebler > >> Rene Rivera > >> Vladimir Prus > > > > > > I've built windows libraries (vc8, vc9, vc10) for this (32 and 64 > > bit), if you want them, you can get them from my website: > > http://boost.teeks99.com > > Tom > > What exact versions of each of those did you use? Were they > single/multi-threaded, Static/Shared... > > Thanks > Mike Jackson > > > Hi Tom, You have done a really splendid job which will save us many hours of compilation! I had a brief look, and all the libraries seem to be there except the following: libboost_bzip2-vc*.lib libboost_zlib-vc*.lib boost_bzip2-vc*.dll boost_zlib*-vc.dll boost_bzip2-vc*.libl boost_zlib*-vc.libl These are used by the iostreams compressors and decompressors. These are really an integral part of iostreams. Would it be possible to include these too? Regards Andrew -- ___________________________________________ Andrew J. P. Maclean Australian Centre for Field Robotics (ACFR) 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/ ___________________________________________

5 7

Segfaults w/ Program_options in __run_exit_handlers : gcc45
by Keith Gunderson 18 Nov '11

18 Nov '11

I am tracking down some segfaults that may be related to the Program Options library. I've done my best to narrow the focus of what I'm doing and seeing. Now I'll report the results and see if anyone can help me get to the bottom of the issue. Overview: Two C++ projects, a library (LIB) and an app (APP). Both developed in OpenSuse 11.3 using gcc45 and boost 1_45. Both built using CMake(makefiles), and share the same boost settings in a shared cmake file (settings listed later.) LIB is linked into APP (either staticly or dynamically , as discussed later.) Both LIB and APP contain a options[Lib|App].cpp file that defines an uniquely named options global object. These objects store the option values as members and have a ParseOptions() method that use the Boost Program Options features. There is an exported API call in LIB that passes a string into the optionsLib object. Now I'll start listing some known facts about how/when segfaults are seen. 1: Crashes never occur in Windows (using VC++10). 2: If everything is linked statically, there is never a segfault. (There are three linkages in question: APP->Boost, LIB->Boost, APP->LIB) 3: If everything is linked dynamically there is never a segfault. 4: Segfaults occur when APP->LIB is dynamic while APP->Boost and LIB->Boost are linked statically. This situation occurs even if a global options object in APP is never instantiated (but the options.cpp is still a part of the project) It seems that the segfault occurs in the exit handlers. I posted some of a gdb session that shows some of the exit functions that are called. ************************************************************* Here are the settings in CMake for the segfault situation: set (Boost_ADDITIONAL_VERSIONS "1.46" "1.46.0" "1.45" "1.45.0" "1.44" "1.44.0" "1.43" "1.43.0") set (Boost_USE_MULTITHREADED ON) set (Boost_USE_STATIC_LIBS ON) set (Boost_USE_STATIC_RUNTIME OFF) find_package( Boost 1.41.0 COMPONENTS "program_options" "filesystem" "system") ************************************************************* Here's the way that boost::po is used #note that things like loggins have been stripped out int AppOptions::ParseOptions(std::vector<std::basic_string<char> > optionsStrings ) { try { // Declare a group of options that will be // allowed only on command line po::options_description generic("Generic options"); generic.add_options() ("version,v", "Print version string") ("help", "Produce help message") ("config-file,c", po::value<string>(&configFileName_)->default_value(configFileName_), "Name of a file for configuration.") ; #pragma warning( push ) #ifdef _WINDOWS #pragma warning( disable : 4505 ) #endif // Declare a group of options that will be // allowed both on command line and in // config file po::options_description config("Configuration"); config.add_options() ("energy-dir,e", po::value< string >(&energyDir_)->default_value(energyDir_), "Path containing energy files") ("run-example", po::bool_switch(&runExample_), "Use example file (./example_input.txt) instead of stdin for input.") ("old-output-format", po::bool_switch(&useOldOutputFormat_), "Generate output in the old format, for compatibility reasons") ; #pragma warning( pop ) po::options_description cmdline_options; cmdline_options.add(generic).add(config); po::options_description config_file_options; config_file_options.add(config); po::options_description visible("Allowed options"); visible.add(generic).add(config); po::variables_map vm; po::parsed_options options = po::command_line_parser(optionsStrings). options(cmdline_options).allow_unregistered().run(); store(options, vm); notify(vm); std::stringstream ss; ss << "App cmd-line options (plus defaults): " << std::endl;; ss << "\t" << "config_file=" << configFileName_ << std::endl; ss << "\t" << "energy-dir=" << energyDir_ << std::endl; ss << "\t" << "run-example=" << runExample_ << std::endl; ss << "\t" << "old-output-format=" << useOldOutputFormat_<< std::endl; // pantheios::log_DEBUG( EX_PREFIX, "Config : ", ss.str().c_str() ); std::vector<string> to_pass_further = po::collect_unrecognized(options.options, po::exclude_positional); if (configFileName_.size()) { std::ifstream ifs(configFileName_.c_str()); if (!ifs) { std::stringstream ss; ss << "can not open config file: " << configFileName_ << std::endl;; ss << "creating default config file: " << configFileName_ << std::endl;; // pantheios::log_DEBUG( EX_PREFIX, "Config file error: ", ss.str().c_str() ); std::ofstream ofs(configFileName_.c_str()); ofs << "energy-dir = SET/LOCATION/TO/ENERGY/FILES" << std::endl; ofs.close(); return 1; } else { po::parsed_options file_options = parse_config_file(ifs, config_file_options); store(file_options, vm); notify(vm); std::stringstream ss; ss << "App post config-file options: " << std::endl;; ss << "\t" << "config_file=" << configFileName_ << std::endl; ss << "\t" << "energy-dir=" << energyDir_ << std::endl; ss << "\t" << "run-example=" << runExample_ << std::endl; ss << "\t" << "old-output-format=" << useOldOutputFormat_<< std::endl; // pantheios::log_DEBUG( EX_PREFIX, "Config : ", ss.str().c_str() ); } } if (vm.count("help")) { std::cout << visible << "\n"; to_pass_further.push_back( "--help"); return 1; } if (vm.count("version")) { std::cout << "App version " << APP_FULL_VERSION << std::endl ; return 1; } } catch(std::exception const & e) { std::stringstream ss; ss << "Configuration exception: " << e.what() << std::endl; // pantheios::log_DEBUG( EX_PREFIX, "", ss.str().c_str() ); return 1; } return 0; } ************************************************************* gdb session Breakpoint 2, __run_exit_handlers (status=0, listp=0xb7ca2304, run_list_atexit=true) at exit.c:78 (gdb) step (gdb) next (gdb) step std::ios_base::Init::~Init (this=0x80da45c, __in_chrg=<value optimized out>) at ../../../../libstdc++-v3/src/ios_init.cc:123 (gdb) cont Continuing. Breakpoint 2, __run_exit_handlers (status=0, listp=0xb7ca2304, run_list_atexit=true) at exit.c:78 (gdb) step (gdb) next (gdb) step std::ios_base::Init::~Init (this=0x80da46d, __in_chrg=<value optimized out>) at ../../../../libstdc++-v3/src/ios_init.cc:123 (gdb) cont Continuing. Breakpoint 2, __run_exit_handlers (status=0, listp=0xb7ca2304, run_list_atexit=true) at exit.c:78 (gdb) step (gdb) next (gdb) step (gdb) cont Continuing. Breakpoint 2, __run_exit_handlers (status=0, listp=0xb7ca2304, run_list_atexit=true) at exit.c:78 (gdb) step (gdb) next (gdb) step boost::program_options::detail::utf8_codecvt_facet::~utf8_codecvt_facet (this=0x80da4c4, __in_chrg=<value optimized out>) at ./boost/detail/utf8_codecvt_facet.hpp:108 (gdb) cont Continuing. Breakpoint 2, __run_exit_handlers (status=0, listp=0xb7ca2304, run_list_atexit=true) at exit.c:78 (gdb) step (gdb) next (gdb) step std::ios_base::Init::~Init (this=0x80da4b8, __in_chrg=<value optimized out>) at ../../../../libstdc++-v3/src/ios_init.cc:123 (gdb) cont Continuing. Breakpoint 2, __run_exit_handlers (status=0, listp=0xb7ca2304, run_list_atexit=true) at exit.c:78 (gdb) step (gdb) next (gdb) step std::ios_base::Init::~Init (this=0x80da4d0, __in_chrg=<value optimized out>) at ../../../../libstdc++-v3/src/ios_init.cc:123 (gdb) cont Continuing. Breakpoint 2, __run_exit_handlers (status=0, listp=0xb7ca2304, run_list_atexit=true) at exit.c:78 (gdb) step (gdb) next (gdb) step __pthread_mutex_lock (mutex=0xb7fff4e4) at pthread_mutex_lock.c:47 (gdb) cont Continuing. *** glibc detected *** /home/turkey/PT-6/APP: double free or corruption (fasttop): 0x080dca38 *** ======= Backtrace: ========= /lib/libc.so.6(+0x6dffb)[0xb7ba8ffb] /lib/libc.so.6(+0x6ed7b)[0xb7ba9d7b] /lib/libc.so.6(cfree+0x6d)[0xb7badadd] /usr/lib/libstdc++.so.6(_ZdlPv+0x1f)[0xb7da198f] /usr/lib/libstdc++.so.6(_ZNSs4_Rep10_M_destroyERKSaIcE+0x1b)[0xb7d8205b] /usr/lib/libstdc++.so.6(_ZNSsD1Ev+0x4a)[0xb7d8210a] /lib/libc.so.6(__cxa_finalize+0xab)[0xb7b69b4b] /home/turkey/OC-6/libLIB22.so(+0xf9e74)[0xb7ed8e74] /home/turkey/OC-6/libLIB22.so(+0x176b90)[0xb7f55b90] /lib/ld-linux.so.2(+0xed1d)[0xb7fedd1d] /lib/libc.so.6(+0x2e7cf)[0xb7b697cf] ======= Memory map: ======== 08048000-080d9000 r-xp 00000000 fd:00 264869 /home/turkey/PT-6/APP 080d9000-080da000 r--p 00090000 fd:00 264869 /home/turkey/PT-6/APP 080da000-080db000 rw-p 00091000 fd:00 264869 /home/turkey/PT-6/APP 080db000-080fc000 rw-p 00000000 00:00 0 [heap] b7900000-b7921000 rw-p 00000000 00:00 0 b7921000-b7a00000 ---p 00000000 00:00 0 b7af7000-b7af9000 r-xp 00000000 fd:01 6992 /usr/lib/gconv/ISO8859-1.so b7af9000-b7afa000 r--p 00001000 fd:01 6992 /usr/lib/gconv/ISO8859-1.so b7afa000-b7afb000 rw-p 00002000 fd:01 6992 /usr/lib/gconv/ISO8859-1.so b7afb000-b7b02000 r--s 00000000 fd:01 7064 /usr/lib/gconv/gconv-modules.cache b7b02000-b7b39000 r--p 00000000 fd:01 7759 /usr/lib/locale/en_US/LC_CTYPE b7b39000-b7b3b000 rw-p 00000000 00:00 0 b7b3b000-b7c9f000 r-xp 00000000 fd:01 158 /lib/libc-2.11.2.so b7c9f000-b7ca0000 ---p 00164000 fd:01 158 /lib/libc-2.11.2.so b7ca0000-b7ca2000 r--p 00164000 fd:01 158 /lib/libc-2.11.2.so b7ca2000-b7ca3000 rw-p 00166000 fd:01 158 /lib/libc-2.11.2.so b7ca3000-b7ca6000 rw-p 00000000 00:00 0 b7ca6000-b7cc2000 r-xp 00000000 fd:01 249 /lib/libgcc_s.so.1 b7cc2000-b7cc3000 r--p 0001b000 fd:01 249 /lib/libgcc_s.so.1 b7cc3000-b7cc4000 rw-p 0001c000 fd:01 249 /lib/libgcc_s.so.1 b7cc4000-b7cc5000 rw-p 00000000 00:00 0 b7cc5000-b7ced000 r-xp 00000000 fd:01 243 /lib/libm-2.11.2.so b7ced000-b7cee000 r--p 00027000 fd:01 243 /lib/libm-2.11.2.so b7cee000-b7cef000 rw-p 00028000 fd:01 243 /lib/libm-2.11.2.so b7cef000-b7dd3000 r-xp 00000000 fd:01 6775 /usr/lib/libstdc++.so.6.0.14 b7dd3000-b7dd7000 r--p 000e3000 fd:01 6775 /usr/lib/libstdc++.so.6.0.14 b7dd7000-b7dd8000 rw-p 000e7000 fd:01 6775 /usr/lib/libstdc++.so.6.0.14 b7dd8000-b7ddf000 rw-p 00000000 00:00 0 b7ddf000-b7fa8000 r-xp 00000000 fd:00 305471 /home/turkey/OC-6/libLIB22.so b7fa8000-b7faa000 r--p 001c8000 fd:00 305471 /home/turkey/OC-6/libLIB22.so b7faa000-b7faf000 rw-p 001ca000 fd:00 305471 /home/turkey/OC-6/libLIB22.so b7faf000-b7fb0000 rw-p 00000000 00:00 0 b7fb0000-b7fc7000 r-xp 00000000 fd:01 183 /lib/libpthread-2.11.2.so b7fc7000-b7fc8000 r--p 00016000 fd:01 183 /lib/libpthread-2.11.2.so b7fc8000-b7fc9000 rw-p 00017000 fd:01 183 /lib/libpthread-2.11.2.so b7fc9000-b7fcb000 rw-p 00000000 00:00 0 b7fcf000-b7fd0000 r--p 00000000 fd:01 131840 /usr/lib/locale/en_US/LC_IDENTIFICATION b7fd0000-b7fd1000 r--p 00000000 fd:01 131586 /usr/lib/locale/en_US/LC_MEASUREMENT b7fd1000-b7fd2000 r--p 00000000 fd:01 8241 /usr/lib/locale/en_US/LC_TELEPHONE b7fd2000-b7fd3000 r--p 00000000 fd:01 131842 /usr/lib/locale/en_US/LC_ADDRESS b7fd3000-b7fd4000 r--p 00000000 fd:01 8242 /usr/lib/locale/en_US/LC_NAME b7fd4000-b7fd5000 r--p 00000000 fd:01 8245 /usr/lib/locale/en_US/LC_PAPER b7fd5000-b7fd6000 r--p 00000000 fd:01 8240 /usr/lib/locale/en_US/LC_MESSAGES/SYS_LC_MESSAGES b7fd6000-b7fd7000 r--p 00000000 fd:01 131838 /usr/lib/locale/en_US/LC_MONETARY b7fd7000-b7fdc000 r--p 00000000 fd:01 7761 /usr/lib/locale/en_US/LC_COLLATE b7fdc000-b7fdd000 r--p 00000000 fd:01 131839 /usr/lib/locale/en_US/LC_TIME b7fdd000-b7fde000 r--p 00000000 fd:01 7927 /usr/lib/locale/en_US/LC_NUMERIC b7fde000-b7fdf000 rw-p 00000000 00:00 0 b7fdf000-b7ffe000 r-xp 00000000 fd:01 296 /lib/ld-2.11.2.so b7ffe000-b7fff000 r--p 0001e000 fd:01 296 /lib/ld-2.11.2.so b7fff000-b8000000 rw-p 0001f000 fd:01 296 /lib/ld-2.11.2.so bffdf000-c0000000 rw-p 00000000 00:00 0 [stack] ffffe000-fffff000 r-xp 00000000 00:00 0 [vdso] Program received signal SIGABRT, Aborted. 0xffffe424 in __kernel_vsyscall () Thanks for any help in determining if the crash is caused by me or not. Keith

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Re: [Boost-users] Building Boost 1.48 using Intel compiler
by Edward Rankin 18 Nov '11

18 Nov '11

Hi, Just a general comment for compiling Boost with Intel compiler. I have been compiling boost with Intel-win for a while now, and I usually use the command prompt shortcut which comes with the compiler. This will set up the environment correctly. I have been working in Linux recently, so have not tried out Intel 12.1 and Boost 1.47 (now 1.48), so something must have changed on either side. I will see if I can build it this weekend. I do recall there were some changes from 11.1 to 12.0 which caused a lot of deprecation warnings (something to do with where iclvars.bat is located). I am not sure if this was ever fixed (i did create a ticket here: https://svn.boost.org/trac/boost/ticket/5305) Of course this is only important if you run a standard command prompt (and not the Intel one). Regards, Edward

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Build boost.log
by Konstantin Ribel 18 Nov '11

18 Nov '11

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Re: [Boost-users] recursive_variant map recursion / incomplete type error
by 乔志强 18 Nov '11

18 Nov '11

try #define BOOST_VARIANT_NO_FULL_RECURSIVE_VARIANT_SUPPORT MSVC++ 2010 and gcc maybe need this. ------------------------------ Message: 4 Date: Thu, 17 Nov 2011 11:10:27 +0100 From: "Bodmer Marc" <Marc.Bodmer(a)bystronic.com> To: <boost-users(a)lists.boost.org> Subject: [Boost-users] recursive_variant map recursion / incomplete type error Message-ID: <0456E5B751F6DB4A83688EED49C9CAF70E101094(a)CHNIS191.bystronic.metal.firm> Content-Type: text/plain; charset="utf-8" Hi I try to use boost::recursive_variant with a recursive std::map. There are several projects and examples on the internet using boost::recursive_variant exactly like I do and it seems to work there. But somehow I can not make it compile in my environment. I am using gcc 4.6.1 and boost 1.46.1. I've stripped my code down to this: ------------------------------------------------------------- #include <boost/variant.hpp> #include <map> typedef boost::make_recursive_variant< int, std::map<float, boost::recursive_variant_> >::type element; int main () { element i = 42; }

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[foreach] #define foreach BOOST_FOREACH
by Joaquin M Lopez Munoz 18 Nov '11

18 Nov '11

In Boost.Foreach docs, the user is informed about the possibility to do #define foreach BOOST_FOREACH so as to improve readability, provided there's no collisions in her code with the name 'foreach'. I think this advise is extremely unfortunate, because the collision happens right within Boost.Foreach code itself, as it uses the namespace boost::foreach internally. This results in problems like the one described in http://lists.boost.org/boost-users/2011/11/71762.php I think the only viable fix is to rename boost::foreach as boost::foreach_ or something and assume backwards incompatibility (as for Boost.MultiIndex, I'd have no problem in syncing up), unless someone figures out a smarter workaround. Joaquín M López Muñoz Telefónica, Investigación y Desarrollo

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