apacheのｱｯﾌﾟﾃﾞｰﾄですが問題はないでしょう｡
[ebuild U ] net-www/apache-2.0.55-r1 [2.0.55] +apache2 -debug -doc +ldap -mpm-leader -mpm-peruser -mpm-prefork -mpm-threadpool -mpm-worker -no-suexec (-selinux) +ssl -static-modules -threads 50 kB