gnome@gentoo.org Gentoo GNOME Desktop Build documentation for private APIs sys-libs/db support needed to migrate old (pre-3.13 evolution versions) addressbook data Enable net-libs/gnome-online-accounts based Google authentication support Enable internal Google authentication support. If gnome-online-accounts is enabled and used, this is not necessary, but both can be supported at the same time with different setup at runtime Enable internal OAuth2 authentication support for Google and Outlook.com. If gnome-online-accounts is enabled and used, this is not necessary, but both can be supported at the same time with different setup at runtime Enable optional weather calendar support