[GEM-dev] link errors on OSX-10.3

[Hans-Christoph Steiner]

On Nov 21, 2006, at 7:23 AM, IOhannes m zmoelnig wrote:

> now that the AltiVec errors have been worked around, the build still
> fails on OS-X with a _very long_ traceback. see
> http://autobuild.puredata.info/auto-build/2006-11-19/logs/ 
> 2006-11-19_03.15.07_darwin_macosx103-powerpc_pd-extended_run- 
> automated-builder.txt
> (this URL is one line)
>
> basically, the error looks like:
> ld: multiple definitions of symbol std::__throw_underflow_error 
> (char const*)
> /usr/lib/gcc/darwin/3.3/libstdc++.a(functexcept.o) private external
> definition of std::__throw_underflow_error(char const*) in section
> (__TEXT,__text)
> /usr/lib/libstdc++.6.dylib(single module) definition of
> std::__throw_underflow_error(char const*)
>
>
> i see 3 possibilities:
> + "-bundle -undefined suppress -flat_namespace" is somehow the culprit
> + we need to link against another library to import the missing  
> symbols
> + the exception handling is broken in Gem and/or in g++-3.3 (in
> conjunction with one of the used libs/frameworks)
>
> however, i have no real idea; it would be great if somebody could  
> shed a
> light on it (and probably even a fix)

I can't really say exactly what it is, but I can tell you that the  
rest of Pd-extended is compiled with -bundle -bundle_loader /path/to/ 
pd, which implies a two-level namespace.

.hc


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