From:	Damian Yerrick <Bullcr_pd_yerrick AT hotmail DOT comRemoveBullcr_p>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Problems linking
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NNTP-Posting-Date:	Sat, 15 Apr 2000 00:49:47 GMT
Distribution:	world
Date:	Sat, 15 Apr 2000 00:49:47 GMT
To:	djgpp AT delorie DOT com
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Reply-To:	djgpp AT delorie DOT com

On Fri, 14 Apr 2000 18:44:35 -0400, Joseph Rose <jorose AT pop DOT gis DOT net>
wrote:

>Eli Zaretskii wrote:
>
>> Joseph Rose wrote:
>> >
>> > Eli Zaretskii wrote:
>> >
>> > > Please post one example of the command you used to compile/link and the
>> > > error messages that the compiler prints.  Then someone will figure out
>> > > what your problems are.
>> >
>> > In RHIDE, the Options|Linker/Compiler Options menu options are blank.
>>
>> What about the exact text of the error messages?  What did that say?
>
>The error text is as follows:
>
>Creating: TestGr.exe
>Error: ../../zzz/gr/386p/TestGr.o: In function `main':
>TestGr.c(14) Error: undefined reference to `SetGrMode'
>TestGr.c(16) Error: undefined reference to `Draw_Line_Horiz'
>TestGr.c(17) Error: undefined reference to `Draw_Line_Horiz'
>Error: collect2: ld returned 1 exit status

You forgot to add the library in Options > Libraries.  For instance,
with the Allegro library (similar to what you are probably using),
type ``alleg'' somewhere into the big blue box and put an X in the
blue column right next to it.  This adds ``-lalleg'' to the linker's
commandline.

>The test and header code follow:
>-------------------------------------------
>VGADr386.h
>/*
>//Header for VGADr386 library.
>//Requires dpmi.h.
>*/

Are you linking VGADr386's library into your app?

-- 
Damian Yerrick
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