Local USE flag

Packages describing “filter” as local USE flag

Package “filter” Flag Description
app-office/calligra Enable support for various import filter file formats like WordPerfect, Visio and Apple Keynote
dev-lang/php Add filter extension support
mail-filter/opensmtpd-extras filter for adding DKIM signatures to outgoing messages
net-proxy/tinyproxy Enable filtering of domains/URLS
net-wireless/gnuradio enable filter signal processing blocks