On Oct 25, 2012, at 15:07 , "Managan, Rob" <manag...@llnl.gov> wrote:

> Hi Chris,
> 
> Thanks for the info. Sounds like I should have the Install function check
> that the version numbers match. In the use case where Install does not
> know what the version number is then I will believe the one in the library
> name!
> 
> Of course, in the example from Eric Raymond on OSX there is only one
> symlink and the version number is located differently.

        Yes, it's very, very different on OS X.  OS X uses "Mach-O" format 
rather than ELF, and spells ".so" as ".dylib", plus it reverses the order of 
the version number and the file type suffix:

        libcurl.so.4 => libcurl.4.dylib

Mach-O also uses a "compatibility version" that is distinct from the version 
that appears in the filename.  :-/

-- 
Chris BeHanna
ch...@behanna.org
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