Global USE flag

Enable support for lz4 compression (as implemented in app-arch/lz4)

Packages describing “lz4” as local USE flag

Package “lz4” Flag Description
net-analyzer/suricata Enable support for compressed pcap logging using the LZ4 algorithm
app-misc/carbon-c-relay add support for LZ4 compressed transport
sys-apps/systemd Enable lz4 compression for the journal
dev-ros/rosbag Add support for lz4 compressed bags.
dev-libs/librdkafka Enable support for Kafka's LZ4 compression based on KIP-57 (uses app-arch/lz4)