BUG #1339: enable to init database cluster

The following bug has been logged online:

Bug reference:      1339
Logged by:          Florent Merlet

Email address:      florentmerlet@aol.com

PostgreSQL version: 7.4.3

Operating system:   CYGWIN_NT

Description:        enable to init database cluster

Details:

I manage to use the 7.3 version without any trouble, But since i've download
the 7.4.3 version, it fails at initdb.

$initdb -D /usr/share/postgresql/data

-----------------------------------------
The files belonging to this database system will be owned by user "Florent
Merlet".
This user must also own the server process.

The database cluster will be initialized with locale C.

fixing permissions on existing directory /usr/share/postgresql/data... ok
creating directory /usr/share/postgresql/data/base... ok
creating directory /usr/share/postgresql/data/global... ok
creating directory /usr/share/postgresql/data/pg_xlog... ok
creating directory /usr/share/postgresql/data/pg_clog... ok
selecting default max_connections... Signal 12
Signal 12
Signal 12
Signal 12
Signal 12
Signal 12
10
selecting default shared_buffers... Signal 12
Signal 12
Signal 12
Signal 12
Signal 12
Signal 12
Signal 12
Signal 12
Signal 12
Signal 12
Signal 12
50
creating configuration files... ok
creating template1 database in /usr/share/postgresql/data/base/1... Signal
12

initdb: failed

---------------------------------

what does that mean ? Do I have done something wrong ? Maybe it comes from
cygwin ? Please help me ...