The sed line from: http://serverfault.com/questions/599110/build-failing-for-mod-caucho-no-member-named-remote-ip should be enough Thanks
+*mod_caucho-4.0.26-r1 (09 May 2015) + + 09 May 2015; Pacho Ramos <pacho@gentoo.org> +mod_caucho-4.0.26-r1.ebuild, + -mod_caucho-4.0.13.ebuild, -mod_caucho-4.0.14.ebuild, + -mod_caucho-4.0.15.ebuild, -mod_caucho-4.0.22.ebuild, + -mod_caucho-4.0.25.ebuild: + Support apache 2.4 (#532816), drop old +