Re: Apps won't compile

[Kyle Chuang]

Actually, I hit that problem a while ago and  Mattias Bertelsen to me
to add -ldl to when compiling it and since then, I haven't been having
problems.

Kyle

On Wed, 19 Feb 1997, John Eikenberry [MSAI] wrote:

> Hello,
> 
> I finally found the time to upgrade to 1.0 but I can't seem to get any of 
> the apps to compile. I keep getting the error:
> 
> gcc -g -L../../swarm/lib -L/usr/X11R6/lib -L/usr/local/lib -L/usr/lib  -o 
> hello-world main.o Person.o Counter.o PplModelSwarm.o PplObserverSwarm.o  
> -lanalysis -lsimtools -ltkobjc -lactivity -lrandom -lswarmobject 
> -lcollections -ldefobj -ltclobjc -lBLT -ltk -ltcl -lXpm -lobjc -lX11 -lm
> /usr/lib/libtcl.so: undefined reference to `dlerror'
> /usr/lib/libtcl.so: undefined reference to `dlopen'
> /usr/lib/libtcl.so: undefined reference to `dlsym'
> make: *** [hello-world] Error 1                      
> 
> I get this for all the demos (plus my own hacks). So you have 
> more of a context here is a rundown of what I did & have installed.
> 
> First I upgraded my tcl/tk libs to 7.5/4.1 (off the redhat 4.0 cd). I 
> then set about compiling BLT2.1 and libtclobj-1.1b6. I had some trouble 
> with these. BLT needed to have its Makefile altered to look at the right 
> directory. For libtclobj I had to alter the configure file so that it 
> didn't insist on libtcl.a/libtk.a and I could use libtcl.so/libtk.so 
> instead. I then applied the patch so I could compile it with my gcc-2.7.2.1 
> which has been patched with Scott Christley's patches (960906). This was 
> Ted Belding's patch that he made against litclobjc-1.1b3. 1 hunk was 
> rejected and I fixed it by hand (it was easy... the code had just moved
> a few lines). Swarm compiled with no problem, but then none of the apps 
> would compile (as I explained above).
> 
> I searched through the mail archives for these errors or a similar 
> problem and had no luck. I have just started coding my own application 
> and am nearing the point when I'll want to start trying to compile it... 
> So any tips or help will be greatly appreciated.
> 
> Thanks,
> 
> John Eikenberry
> address@hidden
> ______________________________________________________________
> "A society that will trade a little liberty for a little order
>  will deserve neither and lose both."
>                                        --B. Franklin
>