добавил в paсkage.use строчку
# echo dev/php-5, - simplexml >> /etc/portage/package.use
Далее делаю
# emerge php -av
ошибка
These are the packages that would be merged, in order:
Calculating dependencies... done!
!!! All ebuilds that could satisfy ">=dev-libs/libpcre-8.11[unicode]" have been masked.
!!! One of the following masked packages is required to complete your request:
- dev-libs/libpcre-8.12 (masked by: EAPI 3)
The current version of portage supports EAPI '2'. You must upgrade to a
newer version of portage before EAPI masked packages can be installed.
For more information, see the MASKED PACKAGES section in the emerge
man page or refer to the Gentoo Handbook.
(dependency required by "dev-lang/php-5.3.6" [ebuild])
(dependency required by "php" [argument])

Вот понадобилось сайт на joomla 1.7 чтоб висел на роутере этом... а ему нужен simplexml