RE: compile problem using SDL library

I think I found out what was the problem. 

I added a few "define"s in the Makefile and it compiled without a hitch.

I added this:

-DQWS -DDISABLE_X11

Now I can compile SDL programs for the zaurus! Joy!!

Aurelien

> -----Original Message-----
> From: David Hedbor [mailto:[email protected]]
> Sent: Thursday, July 11, 2002 4:48 PM
> To: Aurelien Marchand
> Cc: '[email protected]'
> Subject: Re: [Zaurus-devel] compile problem using SDL library
> 
> 
> Aurelien Marchand <[email protected]> writes:
> 
> > 1.  (*) text/plain ( ) text/html
> >
> > Hi all,
> >
> > I am trying to compile a program using the SDL library. I 
> am currently
> > cross-compiling from Linux to the Zaurus (arm platform).  
> The SDL I am
> > using is the CVS version (1.2.5), it also includes 
> SDL_mixer and both
> > are compiled for use with the Zaurus (according to the README.Qtopia
> > coming from the SDL CVS).
> >
> > I notice that the sdl-config generated also includes -Dmain=SDL_main
> > when you run sdl-config --libs, contrary to the x86 version but
> > anyways, when the .cc is compiled into an object, it is 
> done using the
> > -Dmain=SDL_main macro. Running "nm -s program.o" shows that SDL_main
> > is defined in it. But whenever I want to create the binary, 
> using all
> > the other .o (also compiled with -Dmain=SDL_main but it should be a
> > problem), plus all the library required, plus `sdl-config --libs`, I
> > receive an error message stating:
> >
> > /opt/Qtopia/sharp/lib/libSDLmain.a(SDL_Qtopia_main.o): In function
> > `main': /home/zaurus/sources/SDL12/src/main/SDL_Qtopia_main.cc:27:
> > undefined reference to `SDL_main' collect2: ld returned 1 
> exit status
> >
> > Could someone provide some information as to how to resolve the
> > problem and why is it happening?
> >
> > Indeed, running "nm -s libSDLmain.a" shows that is defines the main
> > function but asked for SDL_main. Since program.o contains 
> it, I don't
> > understand why runing: "g++ program.o (...) -lSDLmain" refuses to
> > work.
> 
> Could this be because you use c++? Try making the main method use
> extern "C" perhaps? Also how did you declare your main method
> (arguments etc)? 
> 
> I should note that SDL_main is required because it is what takes care
> of setting up the Qtopia environment.
> 
> -- 
> [ Below is a random fortune, which is unrelated to the above 
> message. ]
> Bower's Law:
> 	Talent goes where the action is.
> 

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