말씀해주신대로 하였는데요 이번에는 아래같은 메세지가 나오네요....^^;;
업데이트 하라는 이야기로는 들리는데.....
젠투 초짜라 마구 헤메고 있습???다.^^;;;

* Please note that the soname of the library changed!
* If you are upgrading from a previous version you need
* to fix dynamic linking inconsistencies by executing:
* revdep-rebuild -X --library libexpat.so.0
>>> Regenerating /etc/ld.so.cache...
>>> dev-libs/expat-2.0.1 merged.

>>> No packages selected for removal by clean
>>> Auto-cleaning packages...

>>> No outdated packages were found on your system.

* Messages for package dev-libs/expat-2.0.1:

* Please note that the soname of the library changed!
* If you are upgrading from a previous version you need
* to fix dynamic linking inconsistencies by executing:
* revdep-rebuild -X --library libexpat.so.0
* GNU info directory index is up-to-date.
* IMPORTANT: 2 config files in '/etc' need updating.
* See the CONFIGURATION FILES section of the emerge
* man page to learn how to update config files.