# emerge -pv drupal

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild  N     ] dev-libs/apr-1.5.0-r2:1  USE="urandom -doc -older-kernels-compatibility -static-libs" 795 kB
[ebuild  N     ] dev-libs/apr-util-1.5.3-r1:1  USE="berkdb gdbm -doc -freetds -ldap -mysql -nss -odbc -openssl -postgres -sqlite -static-libs" 680 kB
[ebuild  N     ] app-admin/apache-tools-2.2.27  USE="ssl" 5,486 kB
[ebuild  N     ] www-servers/apache-2.2.27:2  USE="ssl threads -debug -doc -ldap (-selinux) -static -suexec" APACHE2_MODULES="actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias -asis -auth_digest -authn_dbd -cern_meta -charset_lite -dbd -dumpio -ident -imagemap -log_forensic -proxy -proxy_ajp -proxy_balancer -proxy_connect -proxy_ftp -proxy_http -proxy_scgi -reqtimeout -substitute -version" APACHE2_MPMS="-event -itk -peruser -prefork -worker" 63 kB
[ebuild   R    ] app-admin/eselect-php-0.7.1-r3  USE="apache2* -fpm" 0 kB
[ebuild   R    ] dev-lang/php-5.5.10:5.5  USE="apache2* berkdb bzip2 cgi cli crypt ctype fileinfo filter gd gdbm hash iconv ipv6 json mysql mysqli nls opcache pdo* phar posix readline session simplexml sockets ssl threads tokenizer unicode xml zlib -bcmath -calendar -cdb -cjk -curl -debug -embed -enchant -exif -firebird -flatfile -fpm -frontbase -ftp -gmp -imap -inifile -intl -iodbc -kerberos -ldap -ldap-sasl -libedit -libmysqlclient -mhash -mssql -oci8-instant-client -odbc -pcntl -postgres -qdbm -recode (-selinux) -sharedmem -snmp -soap -spell -sqlite -sybase-ct -systemd -sysvipc -tidy -truetype -wddx -xmlreader -xmlrpc -xmlwriter -xpm -xslt -zip" 0 kB
[ebuild  N    ~] dev-php/pecl-uploadprogress-1.0.3.1-r1  PHP_TARGETS="php5-5 -php5-4" 9 kB
[ebuild  N     ] dev-php/pecl-apcu-4.0.1-r1  USE="lock_pthreadrw mmap -lock_pthreadmutex -lock_semaphore -lock_spinlock" PHP_TARGETS="php5-5 -php5-3 -php5-4" 104 kB
[ebuild  N    ~] www-apps/drupal-7.27:7.27  USE="accelerator mysql uploadprogress -postgres -sqlite -vhosts" 3,133 kB

Total: 9 packages (7 new, 2 reinstalls), Size of downloads: 10,267 kB

The following keyword changes are necessary to proceed:
 (see "package.accept_keywords" in the portage(5) man page for more details)
# required by drupal (argument)
=www-apps/drupal-7.27 ~x86
# required by www-apps/drupal-7.27[uploadprogress]
# required by drupal (argument)
=dev-php/pecl-uploadprogress-1.0.3.1-r1 ~x86

The following USE changes are necessary to proceed:
 (see "package.use" in the portage(5) man page for more details)
# required by dev-lang/php-5.5.10
# required by www-apps/drupal-7.27
# required by drupal (argument)
>=app-admin/eselect-php-0.7.1-r3 apache2
# required by virtual/httpd-php-5.5
# required by www-apps/drupal-7.27
# required by drupal (argument)
=dev-lang/php-5.5.10 pdo apache2

 * IMPORTANT: 6 news items need reading for repository 'gentoo'.
 * Use eselect news to read news items.

P.S.: Тему гуглил, конкретно по моему случаю вариантов не нашел...