From: Waldemar Schultz <schultz AT ma DOT tum DOT de>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Using (page-flipping) to speed up a program
Date: Sat, 08 Jul 2000 16:29:40 +0200
Organization: [posted via] Leibniz-Rechenzentrum, Muenchen (Germany)
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

Evert Glebbeek schrieb:
> Anyway, I've completed my small demo program that shows multiple
> screen update methods. It's too long to post here, so I've uploaded it
> to the following address:
> http://www.science.uva.nl/~eglebbk/download/SCRNUPD.ZIP
> it also uses the gfx_capabilities flag, so it should also illustrate
> how to use that. If you have problems with it, feel free to ask.

\ALLEG>redir -eo gcc demo.c -g -Wall -o demo.exe -lalleg| more
c:/temp\ccCloJPr.o: In function `do_stuff':
demo.c:25: undefined reference to `prepare_screen_update'
demo.c:27: undefined reference to `get_screen_bmp'
demo.c:28: undefined reference to `drect_add'
demo.c:31: undefined reference to `get_screen_bmp'
demo.c:32: undefined reference to `drect_add'
demo.c:33: undefined reference to `screen_update_done'
c:/temp\ccCloJPr.o: In function `main':
demo.c:83: undefined reference to `set_screen_update_method'
demo.c:85: undefined reference to `set_screen_update_method'
demo.c:87: undefined reference to `set_screen_update_method'
demo.c:89: undefined reference to `set_screen_update_method'
demo.c:91: undefined reference to `set_screen_update_method'
demo.c:114: undefined reference to `prepare_screen'
collect2: ld returned 1 exit status

Thanks for contribution.
But help, what am I missing? (allegro WIP all3932.zip)
Thanks

-- 
 Gruss Waldemar Schultz.
 Technische Universität München, Zentrum Mathematik M1, D 80290 München
 Tel: +49 (0)89 2892 8226        FAX: +49 (0)89 2892 8228