Gentoo Packages

dev-lang/php: Support IPv6 connectivity in fopen and friends, and v6 address conversions in functions like inet_pton and inet_ntop.
sys-cluster/glusterfs: Use IPv6 by default, requires libtirpc

Warning: USE flag 'ipv6' used by mail-mta/exim but has no description in metadata.xml, use.local.desc or use.desc
Warning: USE flag 'ipv6' used by net-analyzer/smokeping but has no description in metadata.xml, use.local.desc or use.desc
Warning: USE flag 'ipv6' used by net-firewall/firehol but has no description in metadata.xml, use.local.desc or use.desc
Warning: USE flag 'ipv6' used by net-nds/openldap but has no description in metadata.xml, use.local.desc or use.desc
Warning: USE flag 'ipv6' used by www-misc/awstats but has no description in metadata.xml, use.local.desc or use.desc

Package	Local Description (use.local.desc)	Metadata Description (metadata.xml)
dev-lang/php	-	Support IPv6 connectivity in fopen and friends, and v6 address conversions in functions like inet_pton and inet_ntop.
mail-mta/exim	-	-
net-analyzer/smokeping	-	-
net-firewall/firehol	-	-
net-nds/openldap	-	-
sys-cluster/glusterfs	-	Use IPv6 by default, requires libtirpc
www-misc/awstats	-	-

USE Flag: ipv6