fubar'd libz

[Ryan Schmidt]

On Oct 3, 2007, at 21:20, ara.t.howard wrote:

> a while back i started having application throw errors complaining  
> about libz.  things like:
>
>   cfp:/opt/local/lib > gem --version
>
>   cfp:/opt/local/lib > gem --version 2>&1|less
>   dyld: NSLinkModule() error
>   dyld: Symbol not found:
>   <snip binary>
>   Referenced from: /opt/local/lib/libz.1.dylib
>   Expected in: /opt/local/lib/libz.1.dylib
>
> i haven't done any manual compiling in there at all - just port  
> installs of various packages.
>
> anyhow, i moved /opt/local/lib/libz.1.dylib to /opt/local/lib/libz. 
> 1.dylib.org to see if the linker would pick on something compatible  
> and, for the most part it has.  however, now i can't compile  
> anything that links against things like libcrypto, etc, that  
> originally linked against libz.1.dylib: the compilation will abort  
> with symbols not found.
>
> so basically what i have is a libz which seems to have gotten  
> clobbered - some stuff needs the old one and some the newest  
> (1.2.3) one.
>
> back in linux land i know how to address these issues but, here on  
> the mac, i'm not sure where to begin.
>
> can anyone give me advice on figuring out what happened and how to  
> fix?

no clue what happened. just selfupdate and rebuild zlib:

$ sudo port selfupdate
$ sudo port -nfu upgrade zlib

then rebuild all software that linked against zlib, for good measure.