The following installed ports are outdated:
python26 2.6.2_6 < 2.6.3_0
tcl 8.5.6_0 < 8.5.7_0
tk 8.5.6_1 < 8.5.7_0
xorg-compositeproto 0.4_0 < 0.4.1_0
xorg-fontcacheproto 0.1.2_0 < 0.1.3_0
もんだいなくupgradeできました。
警告
Warning: Skipping upgrade since openssl 0.9.8k_0 >= openssl 0.9.8k_0, even though installed variants "" do not match "+darwin". Use 'upgrade --enforce-variants' to switch to the requested variants.