How to link allegro to GNUCC mac?

How to link allegro to GNUCC mac?

DrZoidberg5

Member #15,446

January 2014

Hi! I tried to use allegro on mac with the GNU CC compiler, in the terminal. I followed the steps on the README_make.txt file, but it doesn't work. ¿What should i do?

PS.: Forgive my bad english.

Edgar Reynaldo

Major Reynaldo

May 2007

Post your results by pasting into a <pre>...</pre> block or <code>...</code> block. We can't help if we don't know what the errors are. Also, post the steps that you followed that worked, and what didn't work.

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DrZoidberg5

Member #15,446

January 2014

Yeah, sorry, now I tried it a second time a it seemed like it worked.
However, i tried an example with the following code:

#SelectExpand
  1#include <stdio.h>
  2#include <allegro5/allegro.h>

  4int main(int argc, char **argv){

 ALLEGRO_DISPLAY *display = NULL;

 if(!al_init()) {
    fprintf(stderr, "failed to initialize allegro!\n");
    return -1;
 }

 display = al_create_display(640, 480);
 if(!display) {
    fprintf(stderr, "failed to create display!\n");
    return -1;
 }

 al_clear_to_color(al_map_rgb(0,0,0));

 al_flip_display();

 al_rest(10.0);

 al_destroy_display(display);

 return 0;
 28}

I tried to compile it but i got this error:

gcc mygame.c -o mygame $(pkg-config --libs allegro-5 allegro_image-5)
Undefined symbols for architecture x86_64:
  "_main", referenced from:
      start in crt1.10.6.o
     (maybe you meant: __al_mangled_main)
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit status

Edgar Reynaldo

Major Reynaldo

May 2007

I believe on OSX you need to link to allegro_main.

DrZoidberg5

Member #15,446

January 2014

Well, that worked, I should claim my stupidity price xD.