Re: [Boost-users] (newbie) problem using boost::regex on kubuntu 7.10

From: Jin Sun (jinsun_at_[hidden])
Date: 2007-11-23 16:40:47

canx11 wrote:
> Hello,
>
> i am new to c++ coding and for practicing i want to rewrite some of my old 
> perl scripts that use regular expressions in c++. So i installed libboost  
> for regex version 1.34.1 on my workstation (using a kubuntu package).
>
> Unfortunatley even the most simple program i can think of does not want to 
> compile:
>
> #include <iostream>
> #include <cstdlib>
> #include <boost/regex.hpp>
> using namespace boost;
> using namespace std;
>
> int main(int argc, char *argv[])
> {
> 	boost::regex(".*");
> 	cout << "test\n";
> 	return 0;
> }
>
> ...giving me:
>
> [...]
> testapp.o: In function `boost::basic_regex<char, boost::regex_traits<char, 
> boost::cpp_regex_traits<char> > >::assign(char const*, char const*, unsigned 
> int)':
> /usr/include/boost/regex/v4/basic_regex.hpp:255: undefined reference to 
> `boost::basic_regex<char, boost::regex_traits<char, 
> boost::cpp_regex_traits<char> > >::do_assign(char const*, char const*, 
> unsigned int)'
> collect2: ld returned 1 exit status
> [...]
>
> Anyhow if i am doing 
>
> int main(int argc, char *argv[])
> {
> 	boost::regex();
> 	cout << "test\n";
> 	return 0;
> }
>
> withouth passing a regex condition it compiles successful...Yes i know this 
> short programm does not give any meaningful functionality but i just want to 
> demonstrate that the intialization of the basic_regex fails on my machine.
>
> Do i have problem with my libboost installation or just a simple syntax error 
> here?
>
> regards
>
> Jan
> _______________________________________________
> Boost-users mailing list
> Boost-users_at_[hidden]
> http://lists.boost.org/mailman/listinfo.cgi/boost-users
>
>   
link with  -lboost_regex-gcc41-1_34_1

-- 
Jin Sun
MS-CS
Michigan Technological University
1400 Townsend Dr.
Houghton, MI-49931.
Phone #: [phone](H)
          [phone](O)
http://www.cs.mtu.edu/~jinsun