Re: ZeroLink problem
Re: ZeroLink problem
- Subject: Re: ZeroLink problem
- From: Nick Zitzmann <email@hidden>
- Date: Fri, 9 Jan 2004 15:08:43 -0800
On Jan 9, 2004, at 4:31 AM, Jean Bovet wrote:
I am aware that ZeroLink cannot link against libraries marked as
__private_extern__ (answer from Nick Zitzmann in this mailing list)
but I have the same problem (that is "ZeroLink: unknown symbol
'_eSellerate_InstallEngine'") with an external librarie and the header
file doesn't have any __private_extern__ declaration...
Is the function declared in some other way? It might be possible that
it is declared using a #define macro that marked it as private.
Is this library available for others to download? Do you have a URL?
With a normal target I have a copy phase to copy the .rsrc libraries
into my resources folder in the app bundle but what to do with
ZeroLink enabled ? Maybe I cannot use ZeroLink with such an external
library ?
There are four instances in which you can not use ZeroLink:
1. You are writing an Objective-C program, or using a library, that
requires that the entire list of classes be available at startup time,
such as the OmniBase framework's OBPostLoader class.
2. You are writing a C or Objective-C program that calls functions
whose symbols are not exported, such as functions that are marked as
__private_extern__.
3. You are writing a C++ program, since C++ applications and shared
libraries run in their own separate spaces, and GCC enforces this
separation by marking compiler-generated methods as __private_extern__
(see #2 above).
4. Obviously, you also can't use ZeroLink for deployment of an
application, although that hasn't stopped some people from trying. <;*)
I see no reason why "rsrc" files would be affected by ZeroLink... PPC
machine code has never been stored in the resource fork on PPC-based
Macs.
Nick Zitzmann
<http://seiryu.home.comcast.net/>
S/MIME signature available upon request
"That's a funny thing to promise. Well, you can't never let anything
happen to him [Nemo]; then, nothing would ever happen to him." - Dory,
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