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ldconfigandrpm [2012/02/16 17:06]
jim created
ldconfigandrpm [2012/02/16 17:09] (current)
jim Typos
Line 13: Line 13:
 All fine and normal so far. But in ''​foo-1.3'',​ the library is updated to ''​libfoo.so.1.3''​. Install foo-1.3, and the library is updated and everything works. All fine and normal so far. But in ''​foo-1.3'',​ the library is updated to ''​libfoo.so.1.3''​. Install foo-1.3, and the library is updated and everything works.
  
-Now downgrade back to ''​foo-1.2''​. ''​foo-1.2''​ is installed, its contents unpacked, and its ''​%post''​ runs ''​ldconfig''​. Because the old files are not removed, ''​ldconfig''​ creates ''​libfoo.so.1''​ as pointing to the latest actual library, which at this stage is still ''​libfoo.so.1.3''​. ''​%post''​ completes, and the outgoing package files are then deleted and its '%%postun''​ run. Suddenly that ''​libfoo.so.1''​ link is dangling.+Now downgrade back to ''​foo-1.2''​. ''​foo-1.2''​ is installed, its contents unpacked, and its ''​%post''​ runs ''​ldconfig''​. Because the old files are not removed, ''​ldconfig''​ creates ''​libfoo.so.1''​ as pointing to the latest actual library, which at this stage is still ''​libfoo.so.1.3''​. ''​%post''​ completes, and the outgoing package files are then deleted and its ''%postun''​ run. Suddenly that ''​libfoo.so.1''​ link is dangling.
  
 The only solution I've found so far is to also run ''​ldconfig''​ in the outgoing package ''​%postun''​ section. The only solution I've found so far is to also run ''​ldconfig''​ in the outgoing package ''​%postun''​ section.
 
ldconfigandrpm.txt ยท Last modified: 2012/02/16 17:09 by jim
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