Request.

[Oleg Lyamtsev]

Hi ALL,

I'm trying to port some windows program to Linux using Wine.
I have C++ source code with Windows DLLs functions calls.
The question is: how can I load DLL under Linux and call Windows function?
I've tried LoadLibraryA(), PE_LoadLibraryExA() and SERVER_START_REQ(
create_file ) without success.
Do you know easy way to use Wine's staff to load Windows DLLs?

Thanks,
  Oleg Lyamtsev.

[Mike Hearn]

You need to look into porting it to WineLib, have a look through the
archives, Dimi Paun has been having fun with that lately. I think there
might be docs on the site too.

The first step is to get it building using MinGW on Windows iirc, using
the standard Linux build system and I think the Wine headers. Once
that's working, compiling it into a linux .so file should just be a case
of altering a couple of environment variables and compiling it.

Note that for various reasons I won't go into here, you'll end up with a
.so file (ie a linux dll) not an executable. You'll still need to run
"wine foo.so" to make it work, so a WineLib port is generally useful if
you're intending to later integrate it with some Linux native APIs - if
you simply want it to run on Linux and be done with it, there's little
point, you might as well just run the windows .exe

On Wed, 2003-02-19 at 02:09, Oleg Lyamtsev wrote:
> Hi ALL,
>
> I'm trying to port some windows program to Linux using Wine.
> I have C++ source code with Windows DLLs functions calls.
> The question is: how can I load DLL under Linux and call Windows function?
> I've tried LoadLibraryA(), PE_LoadLibraryExA() and SERVER_START_REQ(
> create_file ) without success.
> Do you know easy way to use Wine's staff to load Windows DLLs?
>
> Thanks,
>   Oleg Lyamtsev.

-- 
Mike Hearn <m.hearn(a)signal.qinetiq.com>
QinetiQ - Malvern Technology Center

[Dimitrie O. Paun]

On February 18, 2003 09:09 pm, Oleg Lyamtsev wrote:
> The question is: how can I load DLL under Linux and call Windows function?

Yes, you can, but you have to do it froma Winelib app.
The simplest way is to follow Mike's advice: first develop
your application under Windows using MinGW (including
GNU make & Co.). Once that works, just take everything
as is, change the CC, CXX and WRC definitions in your
Makefile to:
CC = winegcc
CXX = wineg++
WRC = wrc

and things should just work! :) Of course, you may need to
run winemaker once on your source to help you translate
include directive that use \ instead of /, or wrong case in
filenames. 

Please report any problem you may have, and we'll try to help.

You may find some interesting info on my Winelib page:
    http://www.dssd.ca/wine/Winelib-Apps.html

Good luck!

-- 
Dimi.    <http://www.dssd.ca/wine/>