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Can not compile a program that uses typeof package by gcc?
by Peng Yu 23 Oct '08

23 Oct '08

Hi, The program below this email does not compile with gcc 4.1.2. g++ (GCC) 4.1.2 20061115 (prerelease) (Debian 4.1.1-21) Copyright (C) 2006 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. I understand that I should ask on the gcc mailing list first, as gcc says it is own bug. But I want to make sure it is not become the typeof package uses some too advanced compiler features. Can somebody let me know if the following code can be compiled by a more recent version of gcc or some other compiler? Thanks, Peng #include <boost/typeof/typeof.hpp> #include <iostream> namespace A { template <typename T> class X { public: X() { } X(T t) : _t(t) { } const T &the_t() const { return _t; } private: T _t; }; template <typename T1, typename T2> struct multiply_traits; template <typename T1, typename T2> struct multiply_traits<X<T1>, T2> { typedef X<T1> result_type; }; template <typename T1, typename T2> typename multiply_traits<X<T1>, T2>::result_type operator*(const X<T1> &x, const T2 &t) { return X<T1>(x.the_t() * t); } } namespace B { template <typename T> class Y { public: Y(T t) : _t(t) { } const T &the_t() const { return _t; } private: T _t; }; template <typename T1, typename T2> //Y<typename multiply_traits<T1, T2>::result_type> operator*(const Y<T1> &y, const T2 &t) { //Y<T1> operator*(const Y<T1> &y, const T2 &t) { Y<BOOST_TYPEOF(T1() * T2())> operator*(const Y<T1> &y, const T2 &t) { return Y<T1>(y.the_t() * t); } } int main () { A::X<int> x(2); B::Y<A::X<int> > y(x); std::cout << (x * 3).the_t() << std::endl; std::cout << (y * 5).the_t().the_t() << std::endl; }

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Fatal Error error 1001: F1001 Internal code generator error
by Estanislao Chapel 23 Oct '08

23 Oct '08

Hi I have a problem I don't know how to solve. I want to try an example from an article from Dr. Dobbs 'The Boost.Threads Library'. When I try to compile it I get a "Fatal Error error 1001: F1001 Internal code generator error". I need your help. I'm stuck with this problem. I use CodeGear(tm) RAD Studio 2007 Version 11.0.2902.10471 in a Windows XP SP3 and Boost 1.3.6.0 I have built Boos with complete option to use the libs in debug builds. The code is as follows: ****************************************************************** #pragma hdrstop #include <boost/thread/thread.hpp> #include <boost/thread/mutex.hpp> #include <boost/bind.hpp> #include <iostream> boost::mutex io_mutex; void count(int id); void count(int id) { for (int i = 0; i < 10; ++i) { boost::mutex::scoped_lock lock(io_mutex); std::cout << id << ": " << i << std::endl; } } #pragma argsused int main(int argc, char* argv[]) { boost::thread thrd1( boost::bind(&count, 1)); <= here occurs the F1001 fatal error boost::thread thrd2( boost::bind(&count, 2)); thrd1.join(); thrd2.join(); return 0; } ********************************************************************** The Output is: Genereringen startade 2008-10-23 11:11:15. __________________________________________________ Projekt C:\Documents and Settings\e-echapel\My Documents\RAD Studio\Projects\ThreadsLab\MutexLab1.cbproj (MakeOne mål): Mål _MakeOne: Mål BccCompile: c:\program files\codegear\rad studio\5.0\bin\bcc32.exe -D_DEBUG;NO_STRICT -D_RTLDLL;_NO_VCL -I"C:\Program Files\boost\boost_1_36_0";"c:\program files\codegear\rad studio\5.0\include";"c:\program files\codegear\rad studio\5.0\include\dinkumware";"c:\program files\codegear\rad studio\5.0\include\vcl";ThreadsLab;"c:\program files\codegear\rad studio\5.0\include\Indy10";"c:\program files\codegear\rad studio\5.0\RaveReports\Lib";C:\boost\include -y -v -vi- -k -r- -c -tWC -tWM -H=Debug\MutexLab1.pch -oDebug\MutexLab1.obj -w-par -Od -vi- -v MutexLab1.cpp MutexLab1.cpp(28,47): Fatal Error error 1001: F1001 Internal code generator error Genereringen av målet BccCompile i projektet MutexLab1.cbproj misslyckades. Genereringen av målet _MakeOne i projektet MutexLab1.cbproj misslyckades. Projektgenereringen av MutexLab1.cbproj misslyckades. Genereringen misslyckades. MutexLab1.cpp(28,47): Fatal Error error 1001: F1001 Internal code generator error 0 varningar 1 fel Förfluten tid: 00:00:01.12 *********************************************************************************** Misslyckades = failed varningar = warnings fel = error Thanks in advance Regards Estanislao

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Anyone with Wind River compiler/MQX RTOS (embedded system) experience?
by Boris 23 Oct '08

23 Oct '08

Does anyone use any Boost libraries with the Wind River compiler on MQX RTOS and can share his experience? Boris

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Using parse_config_file from program_options
by Arthur Carlsson 23 Oct '08

23 Oct '08

Hi! When I try to use the parse_config_file() function from the program_options library I get a link error saying (built on OS X 10.5): Undefined symbols: "boost::program_options::basic_parsed_options<char> boost::program_options::parse_config_file<char>(std::basic_istream<char, std::char_traits<char> >&, boost::program_options::options_description const&, bool)", referenced from: _main in main.cc.o ld: symbol(s) not found Taking a closer look at the code I discovered that the function is declared as a template in boost/program_options/parsers.hpp but is defined in boost/libs/program_options/src/parsers.cpp. Is this really valid? I've thought that templated functions need to be defined along with the declaration as the template arguments need to be evaluated at compile time. Or am I missing something? Thanks in advance! Arthur

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tcp::sockets non-copyable, and threads
by Lindley M French 22 Oct '08

22 Oct '08

I'm trying to design a basic server, and I figured now would be a good time to get familiar with what Boost has to offer. However, I've already encountered a difficulty: boost::asio::ip::tcp::sockets are non-copyable. Therefore, I cannot simply acceptor.accept(socket), and then spawn a boost::thread on an object that uses that socket! If I pass a reference or pointer the socket must remain in scope, so it will need to by dynamically allocated....which doesn't seem right to me. I figure I'm probably missing something fundamental on the way boost is intended to work. Anyone care to enlighten me?

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Is there a FFT wrapper in boost?
by Peng Yu 22 Oct '08

22 Oct '08

Hi, FFTW is the fastest FFT library. But its interface is in C. I'm wondering if there is any ongoing project on FFT. Thanks, Peng

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Simple Filesystem Library Build and Usage
by df.trash 22 Oct '08

22 Oct '08

Using: Boost 1.36 Want to build static Filesystem Library for Windows and Linux. Right now I want to make sure the build is successful with the compilers we are using. I am a noobie with Boost and BJam, and am having difficulties building a test application for testing. Unfortunately, I'm dusting off my programming hat and learning to use all the appropriate tools again like compilers etc. I have read through much of the Boost instructions but still cannot seem to get the Filesystem library compiled as a static library and working with practical examples. Question: What is the simplest way to build a library to be used by my other source code out of the Filesystem Library on both Windows and Unix systems? And what is the simplest way to test that build? My first test is on Windows XP with Visual Studio Express 2005. *Attempt 1: *Create App with Visual Studio 2005 I ran the following from main Boost directory on the command line to create the library files: bjam debug --with-filesystem stage I then started a new Win32 Console Application in Visual Studio with the file_size.cpp test example. Under "Additional Include Directories" I put: "C:\Program Files\boost_1_36_0";"C:\Program Files\boost_1_36_0\stage\lib" I then tried to build the solution, and received the following error: LINK : fatal error LNK1104: cannot open file 'uuid.lib' *Attempt 2:* Create App with BJam I navigated to \libs\filesystem\src and created a Jamfile with the following: lib test : operations.cpp path.cpp portability.cpp utf8_codecvt_facet.cpp : <variant>debug <link>static ; I ran bjam in this folder which created a library: libtest-vc80-mt-gd-1_36.lib I copied the file to \libs\filesystem\example and created a Jamfile there with the following: exe FilesystemTest : file_size.cpp libtest-vc80-mt-gd-1_36.lib ; After running bjam in this folder, I received severael unresolved symbol erros like the following: file_size.obj : error LNK2019: unresolved external symbol "class boost::system::error_category const & __cdecl boost::system::get_system_category(void)" (?get_system_category@system @boost@@YAABVerror_category@12@XZ) referenced in function "public: __thiscall boost::system::error_code::error_code(void)" (??0error_code@system@boost@@QAE@XZ) Any help would be much appreciated!

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[graph] how to setup the mutable_queue?
by Fu Jie Huang 22 Oct '08

22 Oct '08

Hi, i'm trying to write a demo of prim/dijkstra algorithm (without using the stock code in BGL). but i'm lost at how to set up the priority queue with key updates (mutable queue, that is). how do i set up the distance map? or should the distance be the property of each vertex? and internally, how is distances of vertices maintained? thanks

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Need help with using Boost::Serialization on AmD64, Windows, MSVC 8.0
by Sahib Aulakh 22 Oct '08

22 Oct '08

I am building boost using the following command; this is done from the command window of MSVC 2005. \boost-jam-3.1.16-1-ntx86\bjam --build-dir=c:\boost-build --toolset=msvc --build-type=complete --address-model=64 The intention is to build for amd64 target. Is this the right command? Should toolset be specified as "msvc-8.0_64"? I am trying to use serialization library but keep getting linker errors like the following: 1>d:\source\ux_a_2\private\frontend\fex\search\searchconfigcontainer.obj : error LNK2019: unresolved external symbol "public: __cdecl boost::archive::basic_binary_oprimitive<class boost::archive::binary_oarchive,char,struct std::char_traits<char> >::~basic_binary_oprimitive<class boost::archive::binary_oarchive,char,struct std::char_traits<char> >(void)" (??1?$basic_binary_oprimitive@Vbinary_oarchive@archive@boost@@DU?$char_traits@D@std@@@archive@boost@@QEAA@XZ) referenced in function "public: __cdecl boost::archive::binary_oarchive_impl<class boost::archive::binary_oarchive,char,struct std::char_traits<char> >::~binary_oarchive_impl<class boost::archive::binary_oarchive,char,struct std::char_traits<char> >(void)" (??1?$binary_oarchive_impl@Vbinary_oarchive@archive@boost@@DU?$char_traits@D@std@@@archive@boost@@QEAA@XZ) There seems to be some internet chatter related to this at http://www.nabble.com/using-boost-in-x64-app-td19804910.html. However, I have been unable to make this thing work. If I create a standalone project in VC and use serialization code then it works all fine; however, the standalone code was written in 32bit mode. I will appreciate any clues anyone can provide. Thanks.

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Help with split_iterator, iterator_range and strings
by Jeffrey C. Jacobs 22 Oct '08

22 Oct '08

I am trying to write an adaptor function that takes a string and a list of character delimiters and populates an output iterator with the result. Specifically, this is what I have: using boost::algorithm::make_split_iterator; using boost::algorithm::split_iterator; using boost::iterator_range; using boost::copy_range; using boost::algorithm::is_any_of; using boost::algorithm::token_finder; template <typename E, typename T, typename A, typename D, typename OutIt> inline OutIt split_and_copy(const std::basic_string<E, T, A> &source, const D &delimeters, OutIt out) { typedef std::basic_string<E, T, A> mystring; typedef split_iterator<mystring::const_iterator> SplitIt; typedef iterator_range<mystring::const_iterator> RangeIt; const SplitIt b = make_split_iterator(source, token_finder(is_any_of(delimeters))); const SplitIt e; return std::transform(b, e, out, copy_range<mystring, RangeIt>); } This compiles but strikes me as a bit verbose. I mean, am I missing something visa-vi the proper interaction of split_iterator, iterator_range and the container they are splitting and making a range of? I believe since b is a split_iterator type, that *b is of type iterator_range, is this not correct? The templates would be as I listed for SplitIt and RangeIt, as I understand it. Now, originally I was hoping there would be an automatic conversion back from iterator_range to the ranged container, which would make a copy of the elements in the range and stick them into a container of the original type (in this case, string). Is there no conversion from iterator_range<mystring::const_iterator> back to mystring? You see, originally, I wanted to write: std::copy(b, e, out); But it seems there is no way around using std::transform with an explicit conversion from RangeIt to mystring with copy_range. Or am I wrong in that assumption? No, I don't want to use the split function since I don't want to populate the whole container, just write my entries to an output iterator; it's generic in that sense to allow for ostream_iterator or back_inserters or whatever. Also, is there some way to not have to explicitly provide the copy_range input type since that type is already known to be the same type as *b and *e? Thanks for any insight you might be able to offer! Jeffrey -- "Scan not a friend with a microscopic glass; you know his faults so let his foibles pass." -- Victorian Proverb, likely Sir Frank Crisp, 1st Baronet of Bungay ~,-;` The TimeHorse

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