Re: Distributed Objects between cats
Re: Distributed Objects between cats
- Subject: Re: Distributed Objects between cats
- From: "Gerriet M. Denkmann" <email@hidden>
- Date: Wed, 10 Aug 2005 19:26:14 +0200
On 10.08.2005, at 17:03, email@hidden wrote:
Try to build both with gcc3.3 or gcc4.0 but no a mix of the two.
It does not seem related to which OS you use, but wich compiler...
Please report back if it is the problem.
You are correct.
I tried /usr/bin/g++-3.3 on Tiger and it generates (in the
__cat_inst_meth section) ...4nO...
whereas gcc4.0 produces ...4On...
Now: Is this a feature or a bug?
Kind regards,
Gerriet.
On 9 août 05, at 17:17, Gerriet M. Denkmann wrote:
I have a server which has a method called:
- (void)openFile: (bycopy in NSString *)fileName atCharRange:
(NSRange)charRange;
When I compile this server on Panther I get:
Proto-Methods:
openFile:atCharRange: (v20@0:4nO@8{_NSRange=II}12)
When I compile this server on Tiger I get:
Proto-Methods:
openFile:atCharRange: (v20@0:4On@8{_NSRange=II}12)
Note the difference: 4On versus 4nO.
Now, when a Tiger-compiled client calls a Panther-compiled server
(both running on the same computer) I get a console message:
...
_preInitWithCoder:signature:valid:wireSignature:target:selector:argCou
nt:
incompatible method params:
got NSMethodSignature: types=v@:On@{_NSRange=II} nargs=4
sizeOfParams=160 returnValueLength=0;
want NSMethodSignature: types=v@:nO@{_NSRange=II} nargs=4
sizeOfParams=160 returnValueLength=0;
Similar with the other cat-combination (client compiled on Pather,
server compiled on Tiger).
What can I do to make Distributed Objects between different cats
possible?
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