[cctbxbb] DYLD_FALLBACK_LIBRARY_PATH

Winter, Graeme (DLSLtd,RAL,LSCI) Graeme.Winter at diamond.ac.uk
Tue Dec 14 09:29:46 PST 2021


Hi Folks,

By default cctbx dispatchers on macOS clobber DYLD_FALLBACK_LIBRARY_PATH with some stuff which means that 

from napari import viewer

fails with a huge stack trace ending in 

OSError: dlopen(libobjc.dylib, 6): image not found

If I comment out the clobbering in the dispatcher then everything works fine so I am fairly sure this is the problem 

Some questions - 

 - why do we do this?
 - is there a way I can make a dispatcher not to this? or maybe leave the system DYLD… as it was and _append_ to rather than prepend?

Seems like a thing I am surprised I have not broken a toe on before now

Thanks Graeme



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