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Building (runtime-link-static) thread lib on vc7
by Taras Tielkes 07 Apr '03

07 Apr '03

Hi, Some newbie boost thread lib questions: 1) I used to build the 1.29 thread library with the runtime-link-static\threading-multi build configuration. This would yield (in release mode) a 467 KB import library in the destination directory. When I build boost 1.30 (with runtime-link-static\threading-multi), the target directory for the thread library contains: -a boost_thread.dll of 116 KB -boost_thread.lib import libarary of 27KB Programs compile against the import library have a runtime dependency on the boost thread dll (as I would expect from the size of the import .lib) What's the right way to compile a static-link, multi-threaded boost.threads library (using the vc7 toolset) in 1.30? 2) What happended to the threadmon.dll? Is it gone in 1.30? Thanks for any pointers..

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RE: [Boost-Users] Re: Please, please help!!!
by scleary＠jerviswebb.com 07 Apr '03

07 Apr '03

> From: agiatojon [mailto:JonAgiato@nyc.rr.com] > > Thanks a lot for the info. I saw that but did not know exceptions > were disabled in some compilers by default, which as you suggested, I > found out this one does. I enabled them, and now it compiles. > > I have another question for you if I may. I attempted to simply > stream the numbers to the standard output but it complains that there > is no operator defined for this object. Is there a file I can include > that contains the overloaded output operator functionality? I am sure > this must be available, I am just not sure of its location. I know > that ublas uses the file "IO" in order to bring those definitions in. Make sure you're doing: std::cout << dev(); and not: std::cout << dev; If that isn't the problem, could you post a code sample? -Steve

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specializing new lexical_cast
by Tom Matelich 07 Apr '03

07 Apr '03

I'm going to embark on it, but I thought I'd ask in parallel. One of the things about Terje's proposed lexical_cast was a lot of documentation of how to specialize it. That doesn't seem to be addressed in 1.30.0's version. I see in the documentation "Where non-stream-based conversions are required, lexical_cast is the wrong tool for the job and is not special-cased for such scenarios." I understand this sentiment, and I tried to search for discussions of this on the mailing list, but I did not conquer ASPN's search tool. The reason I'm asking is that we did some profiling and strtod kicked lexical_cast's butt for string -> double. I currently use lexical_cast in some template'd xml code, so I could overload my function, but I'd have to do it in about 5 spots due to an evolving interface. I'd like to just do it once for lexical_cast. I suppose I could use Terje's implementation, but I've stuck with boost canon for a long time now intentionally. Any suggestions? ----------------------------------------------------------------------- DISCLAIMER: Information contained in this message and/or attachment(s) may contain confidential information of Zetec, Inc. If you have received this transmission in error, please notify the sender by return email. -----------------------------------------------------------------------

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New BGL warning in 1.30.0
by Steven Solie 07 Apr '03

07 Apr '03

I'm now getting the following warning from BGL 1.30.0: /gg/boost/boost/pending/property.hpp:71: warning: sorry: semantics of inline function static data `const bool match' are wrong (you'll wind up with multiple copies) /gg/boost/boost/pending/property.hpp:71: warning: you can work around this by removing the initializer The code that generates the above warning looks something like this: Territory* t1 = new Territory(...); Vertex vertex = add_vertex(m_graph); put(vertex_name, m_graph, vertex, t1); // generates warning The graph declaration looks like this: typedef adjacency_list<vecS, vecS, undirectedS, property<vertex_name_t, Territory*, property<vertex_distance_t, unsigned long> > > Graph; I don't have any problems with BGL 1.29.0 and I don't understand what the warning is trying to tell me. Any ideas? I'm using GCC 2.95.3 with STLport. --Steven

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Spirit - rule generating functions
by brockpeabody 06 Apr '03

06 Apr '03

Does anyone know the best way to return a rule from a function by value? I know that the following does not work, but what's the best workaround? struct calculator : grammar<calculator> { template <typename ScannerT> struct definition { definition(const calculator&) { r = make_complex_rule('A') | make_complex_rule('B'); } typedef rule<ScannerT> rule_type; rule_type const& start() { return r;} private: rule_type make_complex_rule(char c) { return c >> real_p; //boom } rule_type r; }; }; my current workaround is the following nastiness: //inside struct calculator::definition<> rule_type& anonymous_rule() { anonymous_rules.push_back( boost::shared_ptr<rule_type>(new rule_type)); return *anonymous_rules.back(); } rule_type& make_complex_rule(char c) { return anonymous_rule() = c >> real_p; } std::vector<boost::shared_ptr<rule_type> > anonymous_rules; Is there a better way? Also, I've got an easy one... Why is a grammar passed by const reference to its definition? Does Spirit make copies of the grammars internally? I ask because otherwise the grammar class seems like the ideal place to store state information (like numbers on a calculator's stack). Thanks ahead of time! Brock Peabody brock.peabody(a)npcinternational.com

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Tuple compatibility with VS.Net
by toddbfleming 06 Apr '03

06 Apr '03

I downloaded boost 1.30.0 but am having trouble with the Tuple library with Visial Studio.Net. The following code produces the errors: #include <boost/tuple/tuple.hpp> boost::tuple<int, int> f() { return boost::tuple<int, int>(1, 1); } c:\cpp\boost_1_30_0 \boost\tuple\detail\tuple_basic_no_partial_spec.hpp(411) : error C2039: 'map_tuple_to_cons' : is not a member of 'boost::detail' This code is: class tuple : public detail::map_tuple_to_cons<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>::cons1 This appears to be a compiler bug. The code at this line is in the boost::tuples namespace but the compiler seems to be ignoring boost::tuples::detail. I replaced detail with tuples::detail in many places in this code. Next error: c:\cpp\boost_1_30_0 \boost\tuple\detail\tuple_basic_no_partial_spec.hpp(456) : error C2629: unexpected 'boost::tuple<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10> (' This code is: template<typename Head, typename Tail> explicit tuple(const cons<Head, Tail>& other) : cons1(other.head, other.tail) { } Visual C++ doesn't seem to understand template constructors. I replaced the template constructor with a copy constructor. VC++ failed to create the default copy constructor :( c:\cpp\boost_1_30_0 \boost\tuple\detail\tuple_basic_no_partial_spec.hpp(470) : error C2143: syntax error : missing ',' before '<' The code is: template<typename Head, typename Tail> self_type& operator=(const cons<Head, Tail>& other) Lookup failed on cons. I added tuples:: prefix. Has anyone else run into these or might I have a configuration problem? Thanks! Todd Fleming

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documentation
by luise_mang 05 Apr '03

05 Apr '03

Hello, Is there some centralized documentation for offline-studies available (PDF, some platform-specific help docs, whatever - just download once, view offline many) ? thanx, Luise

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RE: [Boost-Users] Please, please help!!!
by scleary＠jerviswebb.com 05 Apr '03

05 Apr '03

Your error message indicates that exceptions are disabled. Try not disabling them. I think some versions of GCC might disable exceptions by default based on the language its compiling for -- e.g., if it's invoked as 'gcc' or the filename extension designates a C file. I didn't see this behaviour under Cygwin, though. I can get it to compile under Cygwin just by adding the Boost include with -I and defining __linux__ with -D. HTH, -Steve > -----Original Message----- > From: Jon Agiato [mailto:JonAgiato@nyc.rr.com] > Sent: Friday, April 04, 2003 11:56 AM > To: Boost-Users(a)yahoogroups.com > Subject: RE: [Boost-Users] Please, please help!!! > > > Hi Steve, > Thanks again for the help. I did that and now the > file is recognized, but I am receiving the following > error upon compilation: > > In file included from main.cpp:3: > /usr/include/c++/3.2/boost/libs/random/random_device.cpp: > In member function > `void boost::random_device::impl::error(const > std::string&)': > /usr/include/c++/3.2/boost/libs/random/random_device.cpp:92: > exception handling > disabled, use -fexceptions to enable > gmake: *** [main.o] Error 1 > > The program is the same except now I am including > #include <boost/libs/random/random_device.cpp>. > > Thanks again! > > Jon Agiato > JonAgiato(a)nyc.rr.com > > --- Jon Agiato <jonagiato(a)nyc.rr.com> wrote: > > >> > >> ----- Original Message ----- > >> From: scleary(a)jerviswebb.com > >> To: Boost-Users(a)yahoogroups.com > >> Sent: Friday, April 04, 2003 10:49 AM > >> Subject: RE: [Boost-Users] Please, please help!!! > >> boost::random_device > >> > >> > >> There is a source file under the libs/random > >> directory that contains the > >> implementation of random_device. You'll have to > >> include it in your project > >> in order to link. > >> > >> -Steve > >> > > > > > >>> > -----Original Message----- > >>> > From: Jon Agiato [mailto:JonAgiato@nyc.rr.com] > >>> > Sent: Thursday, April 03, 2003 10:02 PM > >>> > To: Boost-Users(a)yahoogroups.com > >>> > Subject: [Boost-Users] Please, please help!!! > >> > >> > >> boost::random_device > > > > > >>> > > >>> > > >>> > Hello all, > >>> > > >>> > I am attempting to use the non-deterministic > >> > >> > >> random number generator > > > > > >>> > class contined in boost::random and have > >> > >> > >> encountered the following > > > > > >>> > errors upon running the program. The program does > >> > >> > >> compile without > > > > > >>> > errors, and I am using KDevelop 2.1.3 in the > >> > >> > >> RedHat Linux 8.0 > > > > > >>> > environment. > >>> > > >>> > Here's the offending code: > >>> > > >>> > #include <iostream> > >>> > #include <cstdlib> > >>> > #include <boost/nondet_random.hpp> > >>> > > >>> > int main() > >>> > { > >>> > boost::random_device dev; > >>> > > >>> > return EXIT_SUCCESS; > >>> > } > >>> > > >>> > I receive the following error message: > >>> > /home/JAgiato/boosttest/boosttest/main.cpp:6: > >> > >> > >> undefined reference to > > > > > >>> > `boost::random_device::default_token' > >>> > /home/JAgiato/boosttest/boosttest/main.cpp:6: > >> > >> > >> undefined reference to > > > > > >>> > > >> > >> > >> > > > > > `boost::random_device::random_device[in-charge](std::basic_str > > >> > ing<char, > >> > std::char_traits<char>, std::allocator<char> > > > > > > > const&)' > > >> > /home/JAgiato/boosttest/boosttest/main.cpp:8: > > > > > > undefined reference to > > >> > `boost::random_device::~random_device > > > > > > [in-charge]()' > > >> > > >> > My goal is to use this class to produce > > > > > > non-deterministic 32 bit > > >> > integers which will be streamed to a binary file. > > > > > > Any help is greatly > > > > apprechiated! Thank you! > > > > > > Jon Agiato > > > JonAgiato(a)nyc.rr.com > > > > ------------------------ Yahoo! Groups Sponsor > ---------------------~--> > Get 128 Bit SSL Encryption! > http://us.click.yahoo.com/xaxhjB/hdqFAA/VygGAA/EbFolB/TM > -------------------------------------------------------------- > -------~-> > > Info: <http://www.boost.org> > Wiki: <http://www.crystalclearsoftware.com/cgi-bin/boost_wiki/wiki.pl> > Unsubscribe: <mailto:boost-users-unsubscribe@yahoogroups.com> > > > Your use of Yahoo! Groups is subject to > http://docs.yahoo.com/info/terms/ > >

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Extending max. arity of tuples
by Max Motovilov 04 Apr '03

04 Apr '03

I ran against the arity limitation of 10 and to resolve it, modified tuple_basic.hpp to use the preprocessor package for all variable length argument lists (with macro BOOST_TUPLE_MAX_ARITY serving as a single parameter configurable from config/user.hpp). I'm not sure if this modification will be of general interest, but if so, where do I send it? Modified code has been tested with MSVC 2003 (7.1). Regards, ...Max...

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problems building boost thread with Linux7.2
by ZYA 04 Apr '03

04 Apr '03

Dear, How to build boost thread libs step by step? zya! Info: <http://www.boost.org> Wiki: <http://www.crystalclearsoftware.com/cgi-bin/boost_wiki/wiki.pl> Unsubscribe: <mailto:boost-users-unsubscribe@yahoogroups.com> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ [Non-text portions of this message have been removed]

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