===> Staging for ruby21-bdb-0.6.6_4
===> ruby21-bdb-0.6.6_4 depends on file: /usr/local/bin/ruby21 - found
===> ruby21-bdb-0.6.6_4 depends on shared library: libdb-5.3.so - found (/usr/local/lib/libdb-5.3.so)
===> Generating temporary packing list
/usr/bin/install -c -m 0755 bdb.so /usr/ports/databases/ruby-bdb/work/stage/usr/local/lib/ruby/site_ruby/2.1/i386-freebsd8
installing default bdb libraries
/usr/bin/strip /usr/ports/databases/ruby-bdb/work/stage/usr/local/lib/ruby/site_ruby/2.1/i386-freebsd9/bdb.so
/usr/bin/strip: '/usr/ports/databases/ruby-bdb/work/stage/usr/local/lib/ruby/site_ruby/2.1/i386-freebsd9/bdb.so': No such file
*** [post-install] Error code 1
Stop in /usr/ports/databases/ruby-bdb.
*** [stage] Error code 1
Stop in /usr/ports/databases/ruby-bdb.
とな。どうも ruby21 を 1 からつくりなおさねばならぬらしい。結局
> cd /usr/ports/lang/ruby21
> make clean
> make
> make reinstall
> cd /usr/ports/databases/ruby-bdb
> make clean
> make
> make reinstall
> portupgrade -vRr portupgrade