From: "Arman" <janwar AT indosat DOT net DOT id>
Newsgroups: alt.comp.lang.learn.c-c++,comp.os.msdos.djgpp
Subject: Aleggro example error! Error! Error!
Date: Sun, 4 Apr 1999 18:31:41 +0800
Organization: INDOSATnet News Server
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

1.Why do I can't make *.exe from all allegro's example (*.c)? When I tried
to compile, I got error message! Help me !!
This is the error messages when I compile ex1.c with gcc:
c:/djgpp/tmp\cccqxthj(.text+0x14):ex1.c: undefined reference to
`allegro_init'
c:/djgpp/tmp\cccqxthj(.text+0x19):ex1.c: undefined reference to
`install_keyboar
d'
c:/djgpp/tmp\cccqxthj(.text+0x31):ex1.c: undefined reference to
`set_gfx_mode'
c:/djgpp/tmp\cccqxthj(.text+0x39):ex1.c: undefined reference to
`desktop_pallete
'
c:/djgpp/tmp\cccqxthj(.text+0x3e):ex1.c: undefined reference to
`set_pallete'
c:/djgpp/tmp\cccqxthj(.text+0x4c):ex1.c: undefined reference to `gfx_driver'
c:/djgpp/tmp\cccqxthj(.text+0x55):ex1.c: undefined reference to `gfx_driver'
c:/djgpp/tmp\cccqxthj(.text+0x75):ex1.c: undefined reference to `gfx_driver'
c:/djgpp/tmp\cccqxthj(.text+0x7e):ex1.c: undefined reference to `gfx_driver'
c:/djgpp/tmp\cccqxthj(.text+0xa5):ex1.c: undefined reference to `font'
c:/djgpp/tmp\cccqxthj(.text+0xab):ex1.c: undefined reference to `screen'
c:/djgpp/tmp\cccqxthj(.text+0xb1):ex1.c: undefined reference to
`textout_centre'

c:/djgpp/tmp\cccqxthj(.text+0xb9):ex1.c: undefined reference to `readkey'

2. What is *.o file for ? How to make it?