[novice] pg_regress.sh problem

Hello,
    I ran into a regression script problem with postgresql7.1.3. I
installed the postgresql-*7.1.3-1PGDG.i386.rpm packages on an x86 box with
RH7.1.  I started the postmaster, su postgres and tried the following per
readme instructions.

bash-2.04$ time ./pg_regress.sh --schedule=parallel_schedule
(using postmaster on Unix socket, default port)
============== dropping database "regression"         ==============
./pg_regress.sh: @bindir@/dropdb: No such file or directory
============== creating database "regression"         ==============
./pg_regress.sh: @bindir@/createdb: No such file or directory
pg_regress.sh: createdb failed

Below is the script section where bindir is initialized

# ----------
# Initialize default settings
# ----------

: ${inputdir=.}
: ${outputdir=.}

libdir='/usr/lib/pgsql'
bindir='@bindir@'
datadir='@datadir@'
host_platform='@host_tuple@'
enable_shared='@enable_shared@'
GCC=@GCC@

After determining where dropdb lives, I replaced @bindir@ with /usr/bin and
the test ran.  Is this a script bug or did I miss a step in the install?  8
of 76 tests failed which I need to look into, but I wonder if I need to
replace the other @foo@ values.

Thanks,

Dale Sykora