> /usr/local/lib/libz* seems like products of the installer
no, /usr/local is not touched by the installer. either you did install the library there yourself, or it was installed by a third party application. maybe other files / applications may point you to the offending application.
> /usr/local/ lib/libz* seems like products of the installer
no, /usr/local is not touched by the installer. either you did install the library there yourself, or it was installed by a third party application. maybe other files / applications may point you to the offending application.