Thread: allegro help

i just installed allegro and went to use the first tutorial on loomsoft.net http://loomsoft.net/alltut_lesson1.shtm

but when i go to compile i get this error (i included the alleg.lib)

--------------------Configuration: lesson1 - Win32 Debug--------------------
Linking...
LIBCD.lib(crt0.obj) : error LNK2001: unresolved external symbol _main
Debug/lesson1.exe : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.

lesson1.exe - 2 error(s), 0 warning(s)

Do you have a main function?

yes i did exactly what it said in the tutorial here is the source

Code:

#include <iostream>
#include <conio.h>
#include <allegro.h>
using namespace std;

int main(int argc, char *argv[]) 
{
	allegro_init();
	install_keyboard();
	set_gfx_mode(GFX_AUTODETECT, 640,480,0,0); 
	readkey();
	return(0);
}
end_of_main();

thanks but now i have a different error
[qoute]
--------------------Configuration: Cpp2 - Win32 Debug--------------------
Compiling...
Cpp2.cpp
c:\program files\microsoft visual studio\vc98\include\allegro\platform\aldjgpp.h(20) : fatal error C1083: Cannot open include file: 'pc.h': No such file or directory
Error executing cl.exe.

Cpp2.obj - 1 error(s), 0 warning(s)
[/qoute]

any idea of what is wrong?

Cannot open include file: 'pc.h': No such file or directory

Quite self-explaining. Make sure that file exists and that it lies in the correct folder.

i dont even have pc.h ive looked through the internet but couldnt find it can anyone send me a copy here? [email protected]

Originally posted by Goku-ssj
i dont even have pc.h ive looked through the internet but couldnt find it can anyone send me a copy here? [email protected]

read the faq

which faqs? can u give me a link?

oh right of course, sorry. the faq of this website, it tells you why i can't send you my pc.h

can you tell me where i can get a copy?

pc.h is a file included in the allegro library, you're either missing it or it's in the wrong folder or something. Have you gotten any allegro program to compile at all yet? If not I suggest reinstalling the whole library.

Edit:: I could be totally wrong on this... but I see you're using MSVC++, and I also noticed this in the error message: include\allegro\platform\aldjgpp.h

DJGPP... are you sure you downloaded and installed the right version of allegro for your specific compiler?

Originally posted by Eibro
pc.h is a file included in the allegro library, you're either missing it or it's in the wrong folder or something. Have you gotten any allegro program to compile at all yet? If not I suggest reinstalling the whole library.

Edit:: I could be totally wrong on this...

you are. pc.h is a libc header.

reinstall if you're using msvc++ its simple:

1) Download the zip file I attached, and extract all the files inside to your allegro directory, overwriting anything it needs.

2) Copy the allegro directory into your VC98 directory (Part of MSVC++, you'll find it)

3) Double click "msvcmake" which should be in your allegro directory inside the VC98 directory if you followed the previous instructions.

4) Or instead of doing step 3 you can open up a DOS window, get to "..../VC98/Allegro" and type "msvcmake.bat".

Step 3 is easier, heh. At the end of the process you should see a message that says allegro installed successfully.