Re: Zerolink in Xcode 2.0
Re: Zerolink in Xcode 2.0
- Subject: Re: Zerolink in Xcode 2.0
- From: Justin Walker <email@hidden>
- Date: Mon, 9 May 2005 17:32:22 -0700
On May 9, 2005, at 16:29, Fritz Anderson wrote:
On 9 May 2005, at 5:09 PM, Justin Walker wrote:
To make sure something wasn't hanging around and interfering, I did a
"clean all", and a "build and run". I still get the ZeroLink error.
FWIW, the system is a fully clean install - I reformatted and
repartitioned the drive prior to installation. The project I am
building was built from scratch (i.e., I added existing C++ files to
a new "C++ tool" project).
All of the libraries, and this code, were compiled with the default
compiler (3.3, according to the Target rules list). The libraries I
built by hand.
The library LiDIA does refer to this name (basic_istream), and that
library is static (.a).
Any thoughts are gratefully accepted.
Before then:
I am building a large clump of C++, and if I run the result from the
command line, I get a "ZeroLink: unknown symbol" complaint (the
symbol is 'virtual thunk to
std::basic_istream<...>::~basic_istream()', FWIW).
My C++ chops are severely limited, but I believe ZeroLink
unknown-symbol errors are equivalent to undefined-symbol errors in a
conventional linker. You could try turning ZeroLink off and seeing
whether the ld output is any more informative.
Thanks; I rebuilt the tool from scratch, using Deployment style, (which
seemed to be the path of Least Effort), and it builds and runs with no
problem (other than the app bugs I'm chasing, of course).
I think (with little to base this on) that this has something to do
with the static library and ZeroLink, but I'm at a loss to explain it.
To underscore a previous note: the only complaint is the ZeroLink
unknown symbol error, referencing ~basic_istream(), which AFAICT is
only referenced within the above static library (LiDIA) (and defined in
libstdc++).
Regards,
Justin
--
Justin C. Walker, Curmudgeon-at-Large
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