[Boost-users] using filesystem library

From: Fred J. (phddas_at_[hidden])
Date: 2006-08-06 00:14:25

hi
  this is given me some error I cannot locate a fix.

thanks

**************** code ****************
#include <iostream>
#include <string>
#include "boost/filesystem/operations.hpp" // includes boost/filesystem/path.hpp
#include "boost/filesystem/fstream.hpp"    
namespace fs = boost::filesystem;

using namespace std;

int main(){
   
   fs::path full_path("../data");
   if (exists(full_path)) cout << "yes" << endl;
   
}
//there exists data directory in the parent of the current directory.

**************** error ****************
$ make
g++ -gdwarf-2   -c -o try.o try.cpp
g++ -Wall -gdwarf-2 -o proj try.o
try.o: In function `main':
/home/fred/myPrograms/backtest/try/try.cpp:11: undefined reference to `boost::filesystem::path::path(char const*)'
/home/fred/myPrograms/backtest/try/try.cpp:12: undefined reference to `boost::filesystem::exists(boost::filesystem::path const&)'
collect2: ld returned 1 exit status
make: *** [proj] Error 1

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