createlang - ?

CURRENT/pgsql/src/test/regress > gmake runtest
MULTIBYTE=;export MULTIBYTE; \
/bin/sh ./regress.sh freebsd 2>&1 | tee regress.out
=============== Notes...                              =================
postmaster must already be running for the regression tests to succeed.
The time zone is now set to PST8PDT explicitly by this regression test
 client frontend. Please report any apparent problems to
   ports@postgresql.org
See regress/README for more information.

=============== destroying old regression database... =================
=============== creating new regression database...   =================
=============== installing PL/pgSQL...                =================
createlang: not found
^^^^^^^^^^^^^^^^^^^^^
createlang failed
ACTUAL RESULTS OF REGRESSION TEST ARE NOW IN FILE regress.out

Vadim