Re: Problem Compiling FTPSocket Class

[Federico Montesino Pouzols]

        Hi, you should not enter these flags by hand, but use the
output of the ccgnu2-config script that is installed with cc++. Try
'ccgnu2-config --help' to see the options. You will need to use
something like `ccgnu2-config --flags --libs --extlibs` which will
give something similar to the flags you are specifying by hand, but
tailored for your system. 

On Thu, Nov 27, 2003 at 06:51:12PM -0800, Karol Krizka wrote:
> Hello!
> 
> I am a newbie at using CommonC++, and I run into several problems. First 
> was how to compile the programs, but I found a fix after a long search. I 
> had to add the following when compiling:
> -L/usr/lib -D_REENTRANT -D_THREAD_SAFE  -g -O2 -D_GNU_SOURCE  -lpthread 
> /usr/lib/libccext2.a /usr/lib/libccgnu2.a
> Then when I played around with the FTP class, I run into more compiling 
> problems:
> /tmp/cc5BNOu1.o(.text+0xc9): In function `main':
> /usr/include/cc++/socket.h:1451: undefined reference to 
> `ost::FTPSocket::FTPSocket[in-charge](ost::InetHostAddress, 
> std::basic_string<char, std::char_traits<char>, std::allocator<char> >, 
> std::basic_string<char, std::char_traits<char>, std::allocator<char> >, 
> unsigned long)'
> /tmp/cc5BNOu1.o(.text+0x142): In function `main':
> /usr/include/c++/3.2.3/bits/basic_string.h:338: undefined reference to 
> `ost::FTPSocket::pwd()'
> /tmp/cc5BNOu1.o(.text+0x1c1): In function `main':
> /usr/include/c++/3.2.3/bits/stl_alloc.h:668: undefined reference to 
> `ost::FTPSocket::~FTPSocket [in-charge]()'
> /tmp/cc5BNOu1.o(.text+0x3bf):/usr/include/c++/3.2.3/bits/stl_alloc.h:668: 
> undefined reference to `ost::FTPSocket::~FTPSocket [in-charge]()'
> collect2: ld returned 1 exit status
> make: *** [ftp] Error 1
> 
> I am at a loss here, and have no idea what to do. Can anyone help me? I 
> attached the program at the end of the email.
> 
> CHEERS
> --RoadkillBunny
> 
> CODE ftp.cpp
> -------------------------------------------------
> #include <cc++/ftp.h>
> #include <cc++/socket.h>
> #include <iostream>
> #include <unistd.h>
> #include <string.h>
> 
> using namespace std;
> using namespace ost;
> 
> int main(int argc,char* argv[]) {
>  //  if(argc!=2) {
>  // cout << "Usage: myftp server" << endl;
>  // exit(0);
>  //}
> 
>  string user;
>  string passwd;
> 
>  cout<<"Username: "; cin>>user;
>  cout<<"Password: "; cin>>passwd;
>  InetHostAddress h1("localhost");
>  FTPSocket ftp1(h1,user,passwd,100);
>  string pwd;
> 
>  pwd=ftp1.pwd();
>  cout<<"PWD: "<<pwd<<endl;
>  return 0;
> }
> 
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