Xcode12.2 and install_name_tool against symlinks

For those that need to run install_name_tool on a library:

On earlier Xcode releases, running install_name_tool against the symlink 
would modify the symlinked dylib file. However, with Xcode12.2, the 
symlink itself is changed to a copy of the library and that's the on 
that is modified, leaving the original untouched. This is not what most 
people would expect.

So if you need to run install_name_tool, please make sure to point it to 
the actual file and not a symlink.

Hanspeter

-- 
And when the last last law was down, and the Devil turned round on
you - where would you hide, Roper, the laws all being flat?
   --Robert Bolt, "A Man For All Seasons"



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