Samba's libpdb name clashes with the original Brookhaven Protein DataBank libpdb.
Would you consider changing the name of samba's libpdb library to something like libsamba-passdb to avoid the clash?
The original libpdb is already packaged for gentoo, for example:
The original library can be found here:
FWIW, I e-mailed Andrew Bartlett and Alexander Bokovoy about this back in September and they were receptive to the idea of renaming samba's libpdb, but we never got far, so I'm filing this bug so as not to lose track of the issue.
fixed in v4-2-test.