gentoo のアップデート４(php)

# tail -n2 /var/tmp/portage/php-4.4.0-r1/work/php-4.4.0/config.log
/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.6/../../../../i686-pc-linux-gnu/bin/ld: warning: libmysqlclient.so.12, needed by /usr/X11R6/lib/libxmlparse.so, not found (try using -rpath or -rpath-link)
configure:14062: gcc -c -march=pentium3 -O3 -pipe  conftest.c 1>&5

# ls /usr/lib/libmysqlclient.so*
/usr/lib/libmysqlclient.so@     /usr/lib/libmysqlclient.so.14.0.0*
/usr/lib/libmysqlclient.so.14@

# equery belongs libmysqlclient.so
[ Searching for file(s) libmysqlclient.so in *... ]
dev-db/mysql-4.1.14 (/usr/lib/mysql/libmysqlclient.so -> ../libmysqlclient.so)
dev-db/mysql-4.1.14 (/usr/lib/libmysqlclient.so -> libmysqlclient.so.14.0.0)

# equery belongs libxmlparse.so
[ Searching for file(s) libxmlparse.so in *... ]
net-libs/libwww-5.4.0-r3 (/usr/lib/libxmlparse.so -> libxmlparse.so.0.1.0)

libwww のせいだろうってことで、

# emerge libwww
# emerge -uD world

でうまくいった。