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Date:	Wed, 26 Jan 2005 12:20:34 -0200
From:	Jonatan Liljedahl <lijon AT kymatica DOT com>
To:	djgpp AT delorie DOT com
Subject:	Re: Compile problem
Message-Id:	<20050126122034.01459342.lijon@kymatica.com>
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Organization:	Kymatica
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On Wed, 26 Jan 2005 08:22:52 GMT
"Mike C" <My DOT address AT end DOT of DOT post> wrote:

> I have a small compile issue:  Running in a DOS window under W2000, if
> I
>  compile using RHIDE, the resulting program runs fine on my PC, but,
>  it seems, not on anybody else's.  If I compile using
> 
>  gcc -Wall -O2 -o myprog.exe myprog.c
> 
>  then the program runs fine on other people's PC's.

strange.

>  My program was originally all in one file, but it getting a bit
>  unwieldy, so have split it into three files and made a project. The
>  problem is that my"compile" line doesn't work any more - the linker
>  can't find the extern references.

I think it should be possible to just do:

	gcc -o myprog.exe *.c

The usual way is to first compile all the separate .c files like this:

	gcc -c file1.c
	gcc -c file2.c
	gcc -c file3.c

then link the resulting objectfiles together like this:

	gcc -o myprog.exe file1.o file2.o file3.o

becouse this means you don't need to recompile all files each time, only
the files you've changed. (create a Makefile and use make)

/Jonatan    -=( http://kymatica.com )=-

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