Cross compiling DLL

[deckrider]

I'm not an expert in this, but I have been able to make this happen with
the bot-sentry plugin:

http://pidgin-bs.sf.net/

See especially README.mingw and mingw-purple-dev.sh in the source ball.

On Thu, Dec 18, 2008 at 09:00:10PM -0500, Michael Luich wrote:
> Hello Everyone,
> 
> I'm trying to build a plugin by cross compiling from linux to windows
> using mingw. The Linux version compiles and works, and the Windows
> version compiles but gives me errors when it tries to load. I made a
> test dll with the same code for the windows dll and it loaded fine
> (errored missing purple_init)plugin) which leads me to believe my
> windows dll stuff is correct.
> 
> Does anyone have any ideas? any way I can troubleshoot this?
> 
> Mike Luich
> 
> Error:
> C:\Program Files\Pidgin\plugins\srencrypt.dll is not loadable: %1 is
> not a valid Win32 application.
> 
> 
> Windows dll code:
> #ifdef BUILD_DLL
> /* DLL export */
> #define EXPORT __declspec(dllexport)
> #else
> /* EXE import */
> #define EXPORT __declspec(dllimport)
> #endif
> 
> 
> Build line:
> i686-pc-mingw32-gcc -shared -DBUILD_DLL -c srencrypt.c  -lws2_32
> -lssl.dll -lcrypto.dll -DHAVE_CONFIG_H -I.
> -DLOCALEDIR=\"/usr/i686-pc-mingw32/sys-root/mingw/share/locale\"
> -DLIBDIR=\"/usr/i686-pc-mingw32/sys-root/mingw/include//pidgin/\"
>    -DDATADIR=\"/usr/i686-pc-mingw32/sys-root/mingw/share/\"
>       -I/usr/i686-pc-mingw32/sys-root/mingw/include/pidgin
>         -I/usr/i686-pc-mingw32/sys-root/mingw/include/gtk-2.0
> -I/usr/i686-pc-mingw32/sys-root/mingw/lib/gtk-2.0/include/
>   -I/usr/i686-pc-mingw32/sys-root/mingw/include/libpurple
>     -I/usr/i686-pc-mingw32/sys-root/mingw/include/atk-1.0
>         -I/usr/i686-pc-mingw32/sys-root/mingw/include/cairo
>         -I/usr/i686-pc-mingw32/sys-root/mingw/include/pango-1.0
>          -I/usr/i686-pc-mingw32/sys-root/mingw/include/glib-2.0
>            -I/usr/i686-pc-mingw32/sys-root/mingw/include/libpurple
>             -I/usr/i686-pc-mingw32/sys-root/mingw/include/glib-2.0
>                  -I/usr/i686-pc-mingw32/sys-root/mingw/include/nss3
> 
> -I/usr/i686-pc-mingw32/sys-root/mingw/include/nspr4
>             -I/usr/i686-pc-mingw32/sys-root/mingw/include/gtk-2.0
> 
> -I/usr/i686-pc-mingw32/sys-root/mingw/include/atk-1.0
>          -I/usr/i686-pc-mingw32/sys-root/mingw/include/cairo
> 
> -I/usr/i686-pc-mingw32/sys-root/mingw/include/pango-1.0
> -I/usr/i686-pc-mingw32/sys-root/mingw/include/glib-2.0
> -I/usr/i686-pc-mingw32/sys-root/mingw/include/glib-2.0/glib/
>   -I/usr/i686-pc-mingw32/sys-root/mingw/lib/glib-2.0/include/
>                                                     -Wall
> -fno-strict-aliasing  -o windows/srencrypt.dll
> 
> _______________________________________________
> Devel mailing list
> Devel at pidgin.im
> http://pidgin.im/cgi-bin/mailman/listinfo/devel