>=dev-libs/libxml2-2.6.26
>=dev-lang/perl-5.8.8
>=sys-libs/zlib-1.2.3

ssl?
      ( >=dev-libs/openssl-0.9.8d )

mysql?
      ( virtual/mysql )

sqlite?
      ( =dev-db/sqlite-2* )

sqlite3?
      ( >=dev-db/sqlite-3.2.1 )

postgres?
      ( virtual/postgresql-server )

pcre?
      ( dev-libs/libpcre )

doc?
      ( media-gfx/transfig app-text/jadetex app-text/docbook-dsssl-stylesheets )

pam?
      ( virtual/pam )