Src to have swarm on osx

[Perrone Alessandro]

Hi all
Actually I am working to patch the code to have a working copy of 
Swam-obj on osx.
On the following URL  (http://pluto.dma.unive.it/~alex/swarmosx/ ) I 
have uploaded all the stuff I have compiled to have a minimal swarm 
version on my osx box.
There's a package (swarm.tar.gz, which has all the needed software 
already compiled in static mode and the Swar libraries too; instead 
in the needed directory there'l all the sources of the programs I 
have compiled to have a working version of swarm.
Actually all the samples  until simpleObjCBug2 runs fine. When I try 
to compile the other simulation there's a memory error.
I discovered that one of the problems is due to the following line
_i_Object_s__drop (self, M(drop));
which is the last one in the
- (void)dropAllocations: (BOOL)componentAlloc
method.
I tried to substitute the line
_i_Object_s__drop (self, M(drop));
with
DROP(self);
according to the definition used in macros.h file, but I have the 
following error
--
*** malloc[25971]: Deallocation of a pointer not malloced: 0x65c380; 
This could be a double free(), or free() called with the middle of an 
allocated block; Try setting environment variable MallocHelp to see 
tools to help debug
---
BTW if I comment the _i_Object_s__drop (self, M(drop)), then all 
samples  until simpleObjCBug2 runs fine, while if I uncomment it, I 
have the error described.
 any hints?
Regards.
                                ALEX

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