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Old 07-23-2004, 03:32 AM   #1
LavaDevil94
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Registered: Jul 2003
Distribution: Gentoo 2004.2: Who needs exmmpkg when you have emerge?
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Angry Strange /tmp error messages when compiling


I'm trying to compile this program to start off my entry into SDL:
Code:
#include </usr/include/SDL/SDL.h>
#include <stdlib.h>
#include <stdio.h>

int main()
{
  if ( SDL_Init(SDL_INIT_VIDEO) <0 ) {
    printf("Unable to init SDL: %s\n", SDL_GetError());
    return 1;
  }
  atexit(SDL_Quit);
}
But when I do, I get error messages like this:
Code:
/tmp/ccMdsGbg.o(xtest+0x16): In function `main':
: undefined reference to `SDL_Init'
/tmp/ccMdsGbg.o(xtest+0x16): In function `main':
: undefined reference to `SDL_GetError'
/tmp/ccMdsGbg.o(xtest+0x16): In function `main':
: undefined reference to `SDL_Quit'
collect2: ld returned 1 exit status
I can't gather any useful knowledge from these messages, but maybe you guys can?
 
Old 07-23-2004, 03:46 AM   #2
Kumar
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Registered: Sep 2003
Location: Pune, India
Distribution: Red Hat
Posts: 106

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Try this -
cc sdl.c -lSDL -lpthread
 
Old 07-23-2004, 03:50 AM   #3
LavaDevil94
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Registered: Jul 2003
Distribution: Gentoo 2004.2: Who needs exmmpkg when you have emerge?
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Original Poster
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It works ! Thanks Kumar, I've had this error for awhile, and now it's all gone!
Thanks again!
 
Old 07-23-2004, 03:52 AM   #4
Kumar
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Registered: Sep 2003
Location: Pune, India
Distribution: Red Hat
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well....actually you were missing the required libraries.
 
Old 07-23-2004, 06:26 AM   #5
Hko
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Registered: Aug 2002
Location: Groningen, The Netherlands
Distribution: Debian
Posts: 2,536

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Quote:
Originally posted by Kumar
Try this -
cc sdl.c -lSDL -lpthread
Better yet:

Change this line:
Code:
#include </usr/include/SDL/SDL.h>
to:
Code:
#include "SDL.h"
And then compile with:
Code:
gcc `sdl-config --cflags` `sdl-config --libs` -o sdlprog sdlprog.c
 
  


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