gentoo block packages

/ # emerge -uD dev-db/mysql
Calculating dependencies... done!
[ebuild N ] dev-db/mysql-init-scripts-1.2
[ebuild N ] sys-apps/ed-1.2
[ebuild N ] perl-core/Sys-Syslog-0.27
[ebuild N ] perl-core/Storable-2.18
[ebuild N ] dev-perl/Net-Daemon-0.43
[ebuild N ] virtual/perl-Sys-Syslog-0.27
[ebuild N ] virtual/perl-Storable-2.18
[ebuild N ] dev-perl/PlRPC-0.2020-r1
[ebuild N ] dev-perl/DBI-1.607
[ebuild N ] dev-db/mysql-5.0.76 USE="berkdb perl ssl -big-tables -cluster -debug -embedded -extraengine -latin1 -max-idx-128 -minimal (-selinux) -static"
[ebuild N ] virtual/mysql-5.0
[ebuild N ] dev-perl/DBD-mysql-4.01.0
[ebuild N ] dev-db/mysql-community-5.0.75-r1 USE="berkdb perl ssl -big-tables -cluster -debug -embedded -extraengine -latin1 -max-idx-128 -minimal (-selinux) -static"
[blocks B ] dev-db/mysql-community ("dev-db/mysql-community" is blocking dev-db/mysql-5.0.76)
[blocks B ] dev-db/mysql ("dev-db/mysql" is blocking dev-db/mysql-community-5.0.75-r1)

* Error: The above package list contains packages which cannot be
* installed at the same time on the same system.

('ebuild', '/', 'dev-db/mysql-5.0.76', 'merge') pulled in by
=dev-db/mysql-5.0* required by ('ebuild', '/', 'virtual/mysql-5.0', 'merge')
=dev-db/mysql-5.0* required by ('ebuild', '/', 'dev-perl/DBD-mysql-4.01.0', 'merge')
=dev-db/mysql-5.0* required by ('ebuild', '/', 'dev-db/mysql-community-5.0.75-r1', 'merge')
(and 1 more)


For more information about Blocked Packages, please refer to the following
section of the Gentoo Linux x86 Handbook (architecture is irrelevant):

http://www.gentoo.org/doc/en/handbook/handbook-x86.xml?full=1#blocked

не могу поставть. Что делать?