installing 7.3.4 with java

Greetings,

I am having a little difficulty installing PostgreSQL7.3.4 with java.

The box is is running SuSE9.2 linux.
I have environmental variables set in bash-profile as:
JAVA_HOME=wherever
export JAVACMD=other_place
export ANT_HOME=someplace_else
export PATH=$PATH}:${ANT_HOME}/bin

I decempressed the postgresql-7.3.4 tarball and execute the script:
./configure --with-java

but I het the error ..."ant does not work"

I am using the laest version of ant from jakarta.apache.org.

Help would be appreciated.
SZ