gmake -C regress check failure

Maybe this is related to the thread [HACKERS] regression failure in CVS
HEAD

I've installed postgresql-7.3.2 on HP-UX yesterday.

When running 'gmake -C regress check'
the process does not return.

File ./src/test/regress/regression.out shows

parallel group (13 tests): float8 int2 varchar text float4 int8 int4
name oid char boolean bit numeric
boolean ... ok
char ... ok
name ... ok
varchar ... ok
text ... ok
int2 ... ok
int4 ... ok
int8 ... ok
oid ... ok
float4 ... ok
float8 ... ok
bit ... ok
numeric ... ok
test strings ... ok
test numerology ... ok
parallel group (20 tests): point lseg

ps (filtered) shows
ch 16635 16492 0 09:29:13 ttyp2 0:00 gmake check
ch 16763 16635 0 09:29:23 ttyp2 0:00 gmake -C src/test check
ch 16764 16763 0 09:29:24 ttyp2 0:00 gmake -C regress check
ch 16769 16764 0 09:29:24 ttyp2 0:00 /bin/sh ./pg_regress
--temp-install --top-builddir=../../..
ch 19276 16769 0 09:31:31 ttyp2 0:00 tee ./regression.out
ch 19274 16769 173 09:31:31 ttyp2 31:45 /bin/sh ./pg_regress
--temp-install --top-builddir=../../..
ch 19443 19274 1 09:32:56 ttyp2 0:00 <defunct>
ch 19446 19274 0 09:32:56 ttyp2 0:00 <defunct>

Regards, Christoph