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Date: Sun, 11 Jul 2004 02:13:46 +1200
From: Danny Smith <dannysmith AT clear DOT net DOT nz>
Subject: Re: Building DLL
To: boekhold AT emirates DOT net DOT ae
Cc: Cygwin <cygwin AT cygwin DOT com>
Reply-to: Danny Smith <dannysmith AT users DOT sourceforge DOT net>
Message-id: <000701c46688$1e8c19a0$b56d65da@DANNY>
MIME-version: 1.0
Content-type: text/plain; charset=utf-8
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Maarten wrote

> Sorry, searched for that, but couldn't come up with any references of
> using dlltool in combination with an executable.


Try this:

==========================================================

/* dll.c */

#include <stdio.h>

extern __attribute__ ((__dllimport__)) void
exe_hello(void);

void __attribute__ ((__dllexport__))
dll_hello (void)
{
  printf ("Are you there, exe?\n");
  exe_hello();

}

==========================================================

/* dll.def */

LIBRARY my_dll.dll

IMPORTS
exe_hello = my_exe.exe.exe_hello

==========================================================

/* exe.c */

#include <stdio.h>

extern void  __attribute__ ((dllexport))
dll_hello (void);

void  __attribute__ ((dllexport))
exe_hello ()
{
  printf ("Yes, the exe is here,\n");
}


int main()
{
 dll_hello();

 return 0;
}
==========================================================

gcc -shared -o my_dll.dll dll.def dll.c
gcc -o my_exe.exe exe.c  my_dll.dll


You can do the same thing with import libs if you want, but
using a def file is much simpler. 

Danny


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