From: Kevin <kevin AT effessnet DOT fsnet DOT co DOT uk>
Newsgroups: comp.os.msdos.djgpp
Subject: Rhide/DJGPP Multiple source file problems.
Date: Sun, 01 Apr 2001 15:25:27 +0100
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

Hi All,

I have form for asking dumb questions, so this is probably another
one.

I have looked at the FAQ and the docs on DJs site, but haven't managed
to find an answer.

I'm not sure that this is relevant, but
I am working in windows 98's DOS mode, i.e with a boot disk, 
as windows 98 or my computer wont run programs which use the DZCOMM
serial communications library. So, I have copied the library file
libstdcxx.a to libstdcx.a and changed the [RHIDE] section of djgpp.env
to reflect this change (In order to overcome the long file name
problem). All is working OK, so far, but I have only been working with
single source file projects.

I have been working on a program which, up until now, I have been
happy to keep in one source file. I have now decided it would be nice
to work with several smaller files.

I made a file called GPS1.h

and put all my include directives, my structure defines and my
function prototypes in this file.

I started the file with

#ifndef _GPS1_h_
#define _GPS1_h_

and ended it with

#endif

I have split the source file up in to 
term.cpp, which contains the main() function along with many others
and 
selector.cpp which contains a function called selector

both source files start with
#include "GPS1.h"
but don't include any other headers.

Compilation works ok, but when it is linking, RHIDE 
comes up with the following messages: -

Creating: GPS.exe
Error: term.o: In function `com1_at_exit(void)':
Error: term.cpp(.text+0x4): multiple definition of
`com1_at_exit(void)'
Error: selector.o(.text+0x4):selector.cpp: first defined here
Error: term.o(.data+0x0):term.cpp: multiple definition of `port1'
Error: selector.o(.data+0x0):selector.cpp: first defined here
There were some errors

Does anyone have an idea of where I'm going wrong ?
Any help would be much appreciated as the single source 
file method is starting to become a bit unwieldy.

Kevin.