Re: Undefined symbols: "_fputs$UNIX2003", referenced from:
Re: Undefined symbols: "_fputs$UNIX2003", referenced from:
- Subject: Re: Undefined symbols: "_fputs$UNIX2003", referenced from:
- From: Steve Checkoway <email@hidden>
- Date: Tue, 4 Nov 2008 14:16:09 -0800
On Nov 4, 2008, at 9:35 AM, Rich Collyer wrote:
What I have learned is that when I build openssl with XCode 3.0, it
contains a reference to _fputs$UNIX2003, but does not complain about
it when I statically link the libcrypto.a file with my application.
When I build openssl with XCode 3.1, it also contains a reference to
_fputs$UNIX2003, but does complain about it when I statically link
the libcrypto.a file with my application.
You need to build it for the same system SDK that your application
will be compiled against.
I read the Apple document "Symbol Variants: Why Those Dollar
Signs?", which was helpful in understanding what is happening, but
really difficult to understand how to fix the problem. I tried to
add a number of -U and -D flags to the build, but that seemed to
make matters worse.
Unless I misunderstand what you're saying, you're adding -D and -U to
the CPPFLAGS (or Xcode equivalent) which controls preprocessor defines
and undefines. I'm not sure what you're defining or undefining here,
but selecting the appropriate SDK will Do The Right Thing (tm) without
needing to set that.
What has changed that makes XCode 3.1 make this an error, when XCode
3.0 considers this OK. Is one of them just wrong? Is there an
update to the recommended scripts listed in the Apple Document
"Building an Open Source Universal Binary" that would ensure that
the library is built to work with 10.4 and beyond?
Without looking at this particular doc, I'd suggest that if you find
the documentation lacking, you should file a bug report on the
particular doc.
--
Steve Checkoway
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