7.2.1 on OpenBSD 3.0

Dear listers,
I'm new fan of pgsql. I've downloaded 7.2.1.
I've try to compile on openbsd 3.0 with GNU make
In the step of
 -> ./configure --with-perl
 -> /usr/local/bin/make
everything is fine.
in the step of
 -> make check. I've got
...
============== shutting down postmaster               ==============

=======================
 6 of 79 tests failed.
=======================

make[2]: *** [check] Error 1
rm regress.o
make[2]: Leaving directory
`/usr/local/src/postgresql-7.2.1/src/test/regress'
make[1]: *** [check] Error 2
make[1]: Leaving directory `/usr/local/src/postgresql-7.2.1/src/test'
make: *** [check] Error 2

I decide to make install by root user

mkdir /usr/local/libdata/perl5/site_perl/i386-openbsd/auto/Pg
make[4]: Entering directory
`/usr/local/src/postgresql-7.2.1/src/interfaces/perl5'
mkdir : No such file or directory at /usr/libdata/perl5/ExtUtils/Install.pm
line 81
make[4]: *** [pure_site_install] Error 255
make[4]: Leaving directory
`/usr/local/src/postgresql-7.2.1/src/interfaces/perl5'
make[3]: *** [install] Error 2
make[3]: Leaving directory
`/usr/local/src/postgresql-7.2.1/src/interfaces/perl5'
make[2]: *** [install] Error 2
make[2]: Leaving directory `/usr/local/src/postgresql-7.2.1/src/interfaces'
make[1]: *** [install] Error 2
make[1]: Leaving directory `/usr/local/src/postgresql-7.2.1/src'
make: *** [install] Error 2

I've try again with
 -> ./configure
 -> /usr/local/bin/make
 -> /usr/local/bin/make check

=======================
 3 of 79 tests failed.
=======================

The differences that caused some tests to fail can be viewed in the
file `./regression.diffs'.  A copy of the test summary that you see
above is saved in the file `./regression.out'.

make[2]: *** [check] Error 1
rm regress.o
make[2]: Leaving directory
`/usr/local/src/postgresql-7.2.1/src/test/regress'
make[1]: *** [check] Error 2
make[1]: Leaving directory `/usr/local/src/postgresql-7.2.1/src/test'
make: *** [check] Error 2

 -> /usr/local/bin/make install
 I can success in installation

Please suggest me newbies to success in
check and install pgsql on obsd 3.0

Thanks in advance
Regards,
Pat.