[Distutils] reservations about pythonv

[kiorky]

You have rpath to record search paths for shared libraries at link time.
This enables you not to set LD_LIBRARY_PATH at runtime.

Something like "cc -Wl,-rpath,/path/to/libdir -L/path/to/libdir -lfoo" is what
you want.

Le 18/03/2011 18:46, Mark Sienkiewicz a écrit :
> 
>> The above just means my memory is too faulty to of much use ;).  I'll just
>> echo Carl's request for specific cases where $LD_LIBRARY_PATH needs to be set.
>>   
> 
> Here is a case that might resemble what you are talking about:
> 
> Compile a C extension that requires a shared library that is not in the standard
> system path.  To import it, LD_LIBRARY_PATH needs to be right.
> 
> This is not really different from what happens in a compiled language, except in
> one way:  In C, I can compile it -static or I can give the full path to the .so
> file.  Either results in a thing that works without LD_LIBRARY_PATH.
> 
> With distutils, you can't.  It goes to great lengths to ensure that you can only
> compile a C extension with "cc ... -L/some/directory -lname" -- I can't find any
> way to make it do "cc ... /some/directory/libname.so"
> 
> So, the real problem here is that distutils uses "cc -L", but it demonstrates a
> case where LD_LIBRARY_PATH can be important to a python program even when Python
> itself can run without it.
> 
> 
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KiOrKY
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