Postgres install problems for Redhat linux

hi,
i can't drop a db. Here are the details:

RedHat version 5.0 Linux 2.0.31
i686 machine (micron millennia)
Postgres version 6.5.3

The first problem I encountered was on step 11b. for your install docs. I
was receiving this error message:

checking whether the C++ compiler (gcc   ) works... no
configure: error: installation or configuration problem: C++ compiler
cannot create executables.

so, then altered the command to this:
./configure --without-CXX

this seemed to work. At least i didn't get any error messages.

then i successfully completed all the other steps. now when i try to drop
my test db using the following command:

dropdb test

i get this error message:

dropdb: command not found

i looked in /usr/local/pgsql/bin and there is no dropdb command. there is
a destroydb command. should i run that instead to drop my test database?
so, i'm able to create databases, i just can't drop them.

this is what my .bash_profile looks like:

# .bash_profile

# Get the aliases and functions
if [ -f ~/.bashrc ]; then
        . ~/.bashrc
fi

# User specific environment and startup programs

PATH=$PATH:/usr/local/pgsql/bin
MANPATH=$MANPATH:/usr/local/pgsql/man
PGLIB=/usr/local/pgsql/lib
PGDATA=/usr/local/pgsql/data
export PATH MANPATH PGLIB PGDATA

i still am unable to drop a db:

kris=> \q
[postgres@girly postgres]$ dropdb test
bash: dropdb: command not found

these are the commands i have available to me:

cleardbdir    destroylang   ipcclean      pg_upgrade    vacuumdb
createdb      destroyuser   pg_dump       pg_version
createlang    ecpg          pg_dumpall    postgres
createuser    initdb        pg_id         postmaster
destroydb     initlocation  pg_passwd     psql

any help would be most appreciated.

thanks!
kris austin

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  Kris Austin + Database Administration + Advance Publications Internet
      http://www.advance.net + kaustin@advance.net + 201-459-2805
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- Charles Darwin (1809-1882)