compile question about dll of windows

[Steve Ni]

So difficult to a newbie!
My project isn't very simple, use many 3th part APIs, and my code is over
60K lines, I almost lost confidence to compile them with GCJ.




----- Original Message -----
From: "lucian" <lucian@mediafusion.co.jp>
To: "Frank Jacobs" <forkjake@yahoo.com>
Cc: <java@gcc.gnu.org>
Sent: Monday, April 07, 2003 10:28 PM
Subject: Re: compile question about dll of windows


> On Mon, 7 Apr 2003 12:38:29 -0700 (PDT)
> Frank Jacobs <forkjake@yahoo.com> wrote:
>
> > Perhaps I'm late to the game, but I still thought that Java DLLs
> > weren't working in Windows: you can create them via GCJ, but you
> > can't actually use them in applications.
> >
> > I looked back and saw that there has been some recent discussion on
> > this, but there doesn't appear to be any resolution (e.g.
> > http://gcc.gnu.org/ml/java/2003-04/msg00059.html). If I'm off base on
> > this, can someone clarify where we are with this.
> >
> > Thanks,
> >
> > :-) Frank
> >
>
>   Perhaps I`m not the right person to answer this since I do not have
> too much experience working with Windows.I was succesfull compiling KAWA
and some
> wrappers for it with gcj into a dll and then using the API from c and c++
both with
> gcc under Cygwin and with Borland compiler with C++Builder (had to make a
lib from dll but this
> worked too).
>  The most difficult thing was getting the headers right and seting the
right export symbols
> from dll. Then in most cases I had to load dlls at run time (i.e.
LoadLibrary(..)) and get
> the functions I need (i.e. GetProcAddress()).Also for Borland compiler
only c functions may
> be exportded from dll`s so I had to flatten the APIs I needed into c
functions.
>
>  So it is possible !
>
> --
> Lucian
>