Make check fails one test on Mac OS X 10.3.2

Postgres 7.4.1 is one test away from passing "make check" with no errors on
Mac OS X 10.3.2. I ran "configure" with one custom environment variable set
(I'm on a G5):

CFLAGS="-O3 -mcpu=970 -mtune=970 -mpowerpc64 -mpowerpc-gpopt"

Here's the one test that failed:

test geometry ... FAILED

Here's the contents of regression.diffs:

*** ./expected/geometry.out Fri Oct 31 22:07:07 2003
--- ./results/geometry.out Wed Jan 7 15:33:21 2004
***************
*** 117,123 ****
| (5.1,34.5) | [(1,2),(3,4)] | (3,4)
| (-5,-12) | [(1,2),(3,4)] | (1,2)
| (10,10) | [(1,2),(3,4)] | (3,4)
! | (0,0) | [(0,0),(6,6)] | (-0,0)
| (-10,0) | [(0,0),(6,6)] | (0,0)
| (-3,4) | [(0,0),(6,6)] | (0.5,0.5)
| (5.1,34.5) | [(0,0),(6,6)] | (6,6)
--- 117,123 ----
| (5.1,34.5) | [(1,2),(3,4)] | (3,4)
| (-5,-12) | [(1,2),(3,4)] | (1,2)
| (10,10) | [(1,2),(3,4)] | (3,4)
! | (0,0) | [(0,0),(6,6)] | (0,0)
| (-10,0) | [(0,0),(6,6)] | (0,0)
| (-3,4) | [(0,0),(6,6)] | (0.5,0.5)
| (5.1,34.5) | [(0,0),(6,6)] | (6,6)

I don't know what "-0" is supposed to mean, but apparently it was expected,
but not actually output.

Here's my OS:

% uname -a
Darwin derkins 7.2.0 Darwin Kernel Version 7.2.0: Thu Dec 11 16:20:23 PST
2003; root:xnu/xnu-517.3.7.obj~1/RELEASE_PPC Power Macintosh powerpc

Finally, here's most of the "make check" output:

============== running regression test queries ==============
parallel group (13 tests): oid boolean int8 text int4 int2 float4 char
varchar name float8 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): lseg point circle polygon reltime comments time
timetz path box tinterval inet date timestamp abstime interval timestamptz
type_sanity oidjoins opr_sanity
point ... ok
lseg ... ok
box ... ok
path ... ok
polygon ... ok
circle ... ok
date ... ok
time ... ok
timetz ... ok
timestamp ... ok
timestamptz ... ok
interval ... ok
abstime ... ok
reltime ... ok
tinterval ... ok
inet ... ok
comments ... ok
oidjoins ... ok
type_sanity ... ok
opr_sanity ... ok
test geometry ... FAILED
test horology ... ok
test insert ... ok
test create_function_1 ... ok
test create_type ... ok
test create_table ... ok
test create_function_2 ... ok
test copy ... ok
parallel group (7 tests): create_operator create_aggregate vacuum inherit
triggers constraints create_misc
constraints ... ok
triggers ... ok
create_misc ... ok
create_aggregate ... ok
create_operator ... ok
inherit ... ok
vacuum ... ok
parallel group (2 tests): create_view create_index
create_index ... ok
create_view ... ok
test sanity_check ... ok
test errors ... ok
test select ... ok
parallel group (17 tests): select_distinct_on select_into aggregates case
random transactions select_distinct union hash_index update select_having
portals select_implicit btree_index join arrays subselect
select_into ... ok
select_distinct ... ok
select_distinct_on ... ok
select_implicit ... ok
select_having ... ok
subselect ... ok
union ... ok
case ... ok
join ... ok
aggregates ... ok
transactions ... ok
random ... ok
portals ... ok
arrays ... ok
btree_index ... ok
hash_index ... ok
update ... ok
test privileges ... ok
test misc ... ok
parallel group (5 tests): portals_p2 select_views cluster foreign_key rules
select_views ... ok
portals_p2 ... ok
rules ... ok
foreign_key ... ok
cluster ... ok
parallel group (14 tests): sequence polymorphism truncate conversion copy2
limit prepare temp without_oid domain rangefuncs plpgsql alter_table stats
limit ... ok
plpgsql ... ok
copy2 ... ok
temp ... ok
domain ... ok
rangefuncs ... ok
prepare ... ok
without_oid ... ok
conversion ... ok
truncate ... ok
alter_table ... ok
sequence ... ok
polymorphism ... ok
stats ... ok
============== shutting down postmaster ==============

=======================
1 of 93 tests failed.
=======================