compiling pg 7.4 and jdbc

Hi,
I am using linux redhat 3.0 and sun jsdk 1.4.2.
I try to compile pg 7.4 --with-java to be able to get the new jdbc
driver.
After calling gmake I get this error:
gmake[3]: Leaving directory `/pginst/postgresql-7.4/src/interfaces/ecpg'

gmake[3]: Entering directory
`/pginst/postgresql-7.4/src/interfaces/jdbc'
/usr/bin/ant -buildfile ./build.xml all
Buildfile: ./build.xml

all:

prepare:

check_versions:

check_driver:

driver:
     [copy] Copying 1 file to
/pginst/postgresql-7.4/src/interfaces/jdbc/org/postgresql
     [echo] Configured build for the JDBC3 edition driver with NO SSL

compile:
    [javac] Compiling 77 source files to
/pginst/postgresql-7.4/src/interfaces/jdbc/build
    [javac]
/pginst/postgresql-7.4/src/interfaces/jdbc/org/postgresql/jdbc3/Jdbc3Statement.java:28:
error: Invalid checked exception class `java.sql.SQLException' in
`throws' clause. The exception must be a subclass of an exception thrown
by
`org.postgresql.jdbc1.AbstractJdbc1Statement.createRefCursorResultSet(java.lang.String)'
from class `org.postgresql.jdbc1.AbstractJdbc1Statement'.
    [javac]             public PGRefCursorResultSet
createRefCursorResultSet (String cursorName) throws SQLException
    [javac]                                          ^
    [javac]
/pginst/postgresql-7.4/src/interfaces/jdbc/org/postgresql/jdbc3/Jdbc3PreparedStatement.java:23:
error: Invalid checked exception class `java.sql.SQLException' in
`throws' clause. The exception must be a subclass of an exception thrown
by
`org.postgresql.jdbc1.AbstractJdbc1Statement.createRefCursorResultSet(java.lang.String)'
from class `org.postgresql.jdbc1.AbstractJdbc1Statement'.
    [javac]             public PGRefCursorResultSet
createRefCursorResultSet (String cursorName) throws SQLException
    [javac]                                          ^
    [javac]
/pginst/postgresql-7.4/src/interfaces/jdbc/org/postgresql/jdbc3/Jdbc3PoolingDataSource.java:29:
error: Method
`org.postgresql.jdbc2.optional.PoolingDataSource.getDataSource(java.lang.String)'
was defined with return type
`org.postgresql.jdbc2.optional.PoolingDataSource' in class
`org.postgresql.jdbc2.optional.PoolingDataSource'.
    [javac]        static Jdbc3PoolingDataSource getDataSource(String
name)
    [javac]                                      ^
    [javac]
/pginst/postgresql-7.4/src/interfaces/jdbc/org/postgresql/jdbc3/Jdbc3CallableStatement.java:23:
error: Invalid checked exception class `java.sql.SQLException' in
`throws' clause. The exception must be a subclass of an exception thrown
by
`org.postgresql.jdbc1.AbstractJdbc1Statement.createRefCursorResultSet(java.lang.String)'
from class `org.postgresql.jdbc1.AbstractJdbc1Statement'.
    [javac]             public PGRefCursorResultSet
createRefCursorResultSet (String cursorName) throws SQLException
    [javac]                                          ^
    [javac] 4 errors

BUILD FAILED
file:/pginst/postgresql-7.4/src/interfaces/jdbc/build.xml:116: Compile
failed; see the compiler error output for details.

Total time: 2 seconds
gmake[3]: *** [all] Error 1
gmake[3]: Leaving directory `/pginst/postgresql-7.4/src/interfaces/jdbc'

gmake[2]: *** [all] Error 2
gmake[2]: Leaving directory `/pginst/postgresql-7.4/src/interfaces'
gmake[1]: *** [all] Error 2
gmake[1]: Leaving directory `/pginst/postgresql-7.4/src'
gmake: *** [all] Error 2


How can I solve this problem?

regards,
ivan.