Re: problems on compiling swarm on Codebuilder (PPC)

[Theodore C. Belding]

Alex-
How are you including your .h files?  You need to either use
#import filename.h

or
#ifndef FILENAME_H
#include filename.h
#define FILENAME_H

If you are just using
#include filename.h

that may give you problems.
-Ted


At 10:35 AM +0100 11/11/97, Alessandro Perrone wrote:
>Hi all
>  I'd like to tell you my experience with Codebuilder, a new product
>written from Tenon which is a Unix Environment with all gnu tools inside
>(obj-c too).
>I'd like to ask you a little info.
>I am using Codebuilder to compile swarm on my quadra 950 with ApplePPC card.
>Even if it sound strange all compiled well (tcl, tk, blt, libtcl, xpm) and
>Swarm too.
>But, here it is the strange, when I try to compile every application who
>use initswarm, here it is the result
>
>       List.m(.data+0): multiple definition of `_List.rw_m (.data)'
>       List.m(.data+0): first seen here
>
>Even if with simpleCBug of tutorial (only a main.m) here it is the result
>
>>cc -c -g -Wall -Wno-import -I/hfs/tesi/swarm/include
>>-I/hfs/tesi/libtclobjc-1.1
>>b6 -I/usr/local/include -I/usr/local/include -I/usr/local/include
>>-I/usr/X11R6/include  -I/usr/include  main.m
>>gcc -g -L/hfs/tesi/swarm/lib -L/usr/X11R6/lib -L/usr/lib -L/usr/local/lib
>>-L/hfs/tesi/libtclobjc-1.1b6  -o bug main.o   -lanalysis -lsimtools
>>-ltkobjc -lactivity -lrandom  -lswarmobject -lcollections -ldefobj
>>-ltclobjc -lBLT -ltk4.1 -ltcl7.5 -lXpm -lobjc -lX11 -lm
>>List.m(.data+0): multiple definition of `_List.rw_m (.data)'
>>List.m(.data+0): first seen here
>
>Any hints?
>I wrote to tenon, and they sayd that "it is a simple link error. Be sure
>you use #ifndef blocks to wrap your declarations.  this way even if you
>include something twice,  you will not get this error." Could anyone help
>me?
>
>I have tried to compile other source in objective-c, and every works well.
>Waiting for your prompt answer, best regards.
>                                               ALEX
>
>      ,,,,
>      /'^'\
>     ( o o )
>-oOOO--(_)--OOOo---------------------------------------------------
>  .oooO               Alessandro Perrone - E-Mail address@hidden
>  (   )   Oooo.            Home Page: http://venus.unive.it/~alex
>---\ (----(   )----------------------------------------------------
>    \_)    ) /
>          (_/
>
>
>
>                  ==================================
>   Swarm-Support is for discussion of the technical details of the day
>   to day usage of Swarm.  For list administration needs (esp.
>   [un]subscribing), please send a message to <address@hidden>
>   with "help" in the body of the message.
>                  ==================================


--
Ted Belding                               address@hidden
University of Michigan Program for the Study of Complex Systems
http://www-personal.umich.edu/~streak/



                  ==================================
   Swarm-Support is for discussion of the technical details of the day
   to day usage of Swarm.  For list administration needs (esp.
   [un]subscribing), please send a message to <address@hidden>
   with "help" in the body of the message.
                  ==================================