The following installed ports are outdated:
autoconf 2.67_0 < 2.68_0
libid3tag 0.15.1b_1 < 0.15.1b_2
libtool 2.2.10_0 < 2.4_0
p5-compress-raw-bzip2 2.027_0 < 2.031_0
p5-pathtools 3.31_0 < 3.33_0
vim 7.3.5_1 < 7.3.11_1
xorg-util-macros 1.10.0_0 < 1.10.1_0