Java™ Application Development on Linux - Dator

9.3 Obtaining and Installing Ant219Example 9.1 Validating and extracting the ant tarball$ cat jakarta-ant-1.5.1-bin.tar.gz.md52be27d9e09011bf1cc3d1967ee34f7d1$ md5sum jakarta-ant-1.5.1-bin.tar.gz2be27d9e09011bf1cc3d1967ee34f7d1 jakarta-ant-1.5.1-bin.tar.gz$ zcat jakarta-ant-1.5.1-bin.tar.gz | tar xf -$ cd jakarta-ant-1.5.1$ lsbin docs etc KEYS libLICENSE LICENSE.dom LICENSE.sax LICENSE.xerces READMEwelcome.html WHATSNEW$to multiple (or all) users on the system, you will want to untar as root andmove the resulting directories to locations convenient to other users, such as/usr/local.Whether for one user or for many, there is a handful of remaining tasksto make ant usable.9.3.1.1 Environment VariablesThe JAVA_HOME environment variable should already be set as a result of settingup your JDK. JAVA_HOME should point at the base of your JDK installation.The ANT_HOME environment variable should be set to point at the untaredinstallation of ant. In our sample here, it would be ~/jakarta-ant-1.5.1.Make sure that the bin directory of the ant installation is added toyour PATH.9.3.2 Installing a Source TarballWe do not encourage you to install ant from source, although we do encourageyou to download and study the ant source. It is an excellent sample Javaapplication.If you must build from source, the start of the process is the same as above.You download the tarball, verify it with GPG or md5sum, then unzip anduntar it.