-bash-4.2$ /usr/local/pg9.0/bin/initdb -D /usr/local/pg9.0/data/
The files belonging to this database system will be owned by user "postgres".
This user must also own the server process.

The database cluster will be initialized with locale en_US.UTF-8.
The default database encoding has accordingly been set to UTF8.
The default text search configuration will be set to "english".

fixing permissions on existing directory /usr/local/pg9.0/data ... ok
creating subdirectories ... ok
selecting default max_connections ... 100
selecting default shared_buffers ... 32MB
creating configuration files ... ok
creating template1 database in /usr/local/pg9.0/data/base/1 ... ok
initializing pg_authid ... FATAL:  wrong number of index expressions
STATEMENT:  REVOKE ALL on pg_authid FROM public;

child process exited with exit code 1
initdb: removing contents of data directory "/usr/local/pg9.0/data"

./configure --prefix=/usr/local/pg9.0 CFLAGS="-Wno-aggressive-loop-optimizations"
make clean
make 
make install