[Swarm-Support] Re: Swarm 2.2 on Intel (and PPC) Mac OSX Tiger

[Bill Northcott]

On 14/07/2006, at 3:13 AM, Brandon M. Gabler wrote:
> Now if I can just get my own model to work (which is a modified  
> version of the
> SchellingSwarm program by Benedikt Steffanson and Paul Johnson. I  
> have posted
> the full compiler output below (as requested previously by Bill).
>
> /bin/sh /usr/local/swarm2.2/bin/libtool-swarm --mode link gcc - 
> B ../../tools -g
> -O2 -arch ppc -Wno-long-double -L/usr/local/swarm2.2/lib -rpath
> /usr/local/swarm2.2/lib   -o ethnicity main.o ObserverSwarm.o  
> ModelSwarm.o
> SchellingWorld.o  Person.o  Nhood2dCounter.o  -lswarm
> gcc -B ../../tools -g -O2 -arch ppc -Wno-long-double -o ethnicity  
> main.o
> ObserverSwarm.o ModelSwarm.o SchellingWorld.o Person.o  
> Nhood2dCounter.o

These are actually link lines not compile lines.  We need a couple of  
the ones that start:
/bin/sh /usr/local/swarm2.2/bin/libtool-swarm --mode compile gcc - 
B ........

> /usr/bin/ld: main.o bad magic number (not a Mach-O file)
> /usr/bin/ld: ObserverSwarm.o bad magic number (not a Mach-O file)
> /usr/bin/ld: ModelSwarm.o bad magic number (not a Mach-O file)
> /usr/bin/ld: SchellingWorld.o bad magic number (not a Mach-O file)
> /usr/bin/ld: Person.o bad magic number (not a Mach-O file)
> /usr/bin/ld: Nhood2dCounter.o bad magic number (not a Mach-O file)

As these lines show, the problem is with the compiles which for some  
reason are not producing valid object files.
The problem is most likely in the Makefile somewhere.
> In case anyone is interested, the program is available for download  
> at:
> http://www.u.arizona.edu/~bgabler/

I will try and have a look at it.

Bill
> Thanks again,
> Brandon