problem in building enhydr 5 (ant.home not found)

When I try to install enhydra5 I am getting the
following error.I have no idea how to shoot it.Pls
give me a hand.Why it doesn't get build properly?


[root@linux root]# cd
/usr/local/Downloads/Enhydra/enhydra5.0
[root@suklinux enhydra5.0]# ./configure
Buildfile: build.xml

init:

prepare.class.in:
    [mkdir] Created dir:
/usr/local/Downloads/Enhydra/enhydra5.0/build/tmp

add.path:
[propertyfile] Creating new property file:
/usr/local/Downloads/Enhydra/enhydra5.0/build/tmp/class.in

add.path:
[propertyfile] Updating property file:
/usr/local/Downloads/Enhydra/enhydra5.0/build/tmp/class.in

add.path:
[propertyfile] Updating property file:
/usr/local/Downloads/Enhydra/enhydra5.0/build/tmp/class.in

add.path:
[propertyfile] Updating property file:
/usr/local/Downloads/Enhydra/enhydra5.0/build/tmp/class.in

add.path:
[propertyfile] Updating property file:
/usr/local/Downloads/Enhydra/enhydra5.0/build/tmp/class.in

add.path:
[propertyfile] Updating property file:
/usr/local/Downloads/Enhydra/enhydra5.0/build/tmp/class.in

add.path:
[propertyfile] Updating property file:
/usr/local/Downloads/Enhydra/enhydra5.0/build/tmp/class.in

add.path:
[propertyfile] Updating property file:
/usr/local/Downloads/Enhydra/enhydra5.0/build/tmp/class.in

add.path:
[propertyfile] Updating property file:
/usr/local/Downloads/Enhydra/enhydra5.0/build/tmp/class.in

add.path:
[propertyfile] Updating property file:
/usr/local/Downloads/Enhydra/enhydra5.0/build/tmp/class.in

add.path:
[propertyfile] Updating property file:
/usr/local/Downloads/Enhydra/enhydra5.0/build/tmp/class.in

add.path:
[propertyfile] Updating property file:
/usr/local/Downloads/Enhydra/enhydra5.0/build/tmp/class.in

add.path:
[propertyfile] Updating property file:
/usr/local/Downloads/Enhydra/enhydra5.0/build/tmp/class.in

add.path:
[propertyfile] Updating property file:
/usr/local/Downloads/Enhydra/enhydra5.0/build/tmp/class.in

add.path:
[propertyfile] Updating property file:
/usr/local/Downloads/Enhydra/enhydra5.0/build/tmp/class.in

add.path:
[propertyfile] Updating property file:
/usr/local/Downloads/Enhydra/enhydra5.0/build/tmp/class.in

add.path:
[propertyfile] Updating property file:
/usr/local/Downloads/Enhydra/enhydra5.0/build/tmp/class.in
     [echo]
conv.class=/usr/local/Downloads/Enhydra/enhydra5.0/lib/admin.jar:/usr/local/Downloads/Enhydra/enhydra5.0/lib/core.jar:/usr/local/Downloads/Enhydra/enhydra5.0/lib/enhydra.jar:/usr/local/Downloads/Enhydra/enhydra5.0/lib/gnu-regexp.jar:/usr/local/Downloads/Enhydra/enhydra5.0/lib/jtidy.jar:/usr/local/Downloads/Enhydra/enhydra5.0/lib/servlet.jar:/usr/local/Downloads/Enhydra/enhydra5.0/lib/snoop.jar:/usr/local/Downloads/Enhydra/enhydra5.0/lib/tomcat.jar:/usr/local/Downloads/Enhydra/enhydra5.0/lib/wireless.jar:/usr/local/Downloads/Enhydra/enhydra5.0/lib/xerces.jar:/usr/local/Downloads/Enhydra/enhydra5.0/lib/xhtml.jar:/usr/local/Downloads/Enhydra/enhydra5.0/lib/xmlc.jar:/usr/local/Downloads/Enhydra/enhydra5.0/lib/xmlcSupport.jar:/usr/local/java/jdk1.2.2/jre/lib/rt.jar:/usr/local/java/jdk1.2.2/lib/tools.jar:/usr/local/Downloads/Enhydra/enhydra5.0/lib/build/dods.jar:/usr/local/Downloads/Enhydra/enhydra5.0/build/ant.jar
   [delete] Deleting:
/usr/local/Downloads/Enhydra/enhydra5.0/build/tmp/class.in

prepare:

httpServerTest:

show:
     [echo] os=unix
     [echo] jdk.dir_path=/usr/local/java/jdk1.2.2
     [echo]
enhydra.dir_path=/usr/local/Downloads/Enhydra/enhydra5.0
     [echo]
enhydra_classes=/usr/local/Downloads/Enhydra/enhydra5.0/lib/enhydra.jar
     [echo]
env_classes=/usr/local/java/jdk1.2.2/lib/tools.jar:.:/user/local/interclient/lib/interclient.jar:/usr/local/java/jakarta-ant-1.5.1/lib/ant.jar:./build/ant.jar:./lib/xerces.jar:/usr/local/java/jdk1.2.2/lib/tools.jar
     [echo]
classpath=/usr/local/Downloads/Enhydra/enhydra5.0/lib/enhydra.jar:/usr/local/java/jdk1.2.2/lib/tools.jar:/usr/local/Downloads/Enhydra/enhydra5.0:/user/local/interclient/lib/interclient.jar:/usr/local/java/jakarta-ant-1.5.1/lib/ant.jar:/usr/local/Downloads/Enhydra/enhydra5.0/build/ant.jar:/usr/local/Downloads/Enhydra/enhydra5.0/lib/xerces.jar
     [echo] java=/usr/local/java/jdk1.2.2/bin/java

configure:
     [copy] Copying 28 files to
/usr/local/Downloads/Enhydra/enhydra5.0/build/tmp
     [copy] Copying 28 files to
/usr/local/Downloads/Enhydra/enhydra5.0
   [delete] Deleting directory
/usr/local/Downloads/Enhydra/enhydra5.0/build/tmp

BUILD FAILED
file:/usr/local/Downloads/Enhydra/enhydra5.0/build.xml:202:
Execute failed: java.io.IOException: Cannot locate
antRun script: Property 'ant.home' not found

Total time: 11 seconds
[root@suklinux enhydra5.0]#

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