Description of problem: libodbcpsql, libodbcinst and libtemplate all statically link copies of libltdl: # nm -D /usr/lib/libodbcinst.so.1.0.0 | grep lt_ 4e8e41f0 T lt_dladderror 4e8e4b90 T lt_dladdsearchdir 4e8e3d00 T lt_dlcaller_get_data ...
Is this a big problem? The changelog notes Use private libltdl so we can omit RTLD_GLOBAL from dlopen flags (bz #161399) so I'm worried about suffering a regression if we try to use libltdl.so.
The copy is not really "private" since it exposes global symbols. Impact of this type of issue is: 1) bloat in shipped packages and on disk after installation by shipping N copies of the same code 2) symbol conflicts when some other library uses this libraries lt_blah symbol rather than the system libltdl's. If the local copy is modified and/or has a different ABI to the system libltdl this can be a big problem. 3) the stale copy of the copied library has bugs not fixed by the system libltdl Solving (2) without (1) is possible by ensuring the lt_* symbols exposed here are not made global symbols, e.g. by linking the library using -export-symbols-regex <SOMETHING> to limit the symbols which are exported.
Changing version to '9' as part of upcoming Fedora 9 GA. More information and reason for this action is here: http://fedoraproject.org/wiki/BugZappers/HouseKeeping
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I had forgotten about this bug, but it seems to be fixed as of F11, as a consequence of updating unixODBC to 2.2.14: $ nm -D /usr/lib64/libodbcinst.so.2.0.0 | grep lt_ U lt_dlclose U lt_dlerror U lt_dlinit U lt_dlopen U lt_dlsym $ Would you confirm it looks okay now?