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JAV-CONFIG

Section: User Commands (1)
Updated: September 2011
Index Return to Main Contents

NAME

jav-config- The Java configuration tool for Gentoo

SYNOPSIS

jav-config [options]

DESCRIPTION

jav-config Is used to query/set properties of your system's Java environment. It can be used to list available VMs and java packages.

In addition, it is used by Portage as a common interface to querying properties about the various JVMs.

OPTIONS

-selec-vm=VM: Use this vm instead of the active vm when returning information.
-c,-javac: Show full path to currently selected Java compiler.
-j,-jar: Show full path to currently selected jar command.
-o,-O,-jav-home,-jd-home,-jr-home: Print JAVA_HOME of currently selected JVM.
-t,-tools: Print path to tools.jar
-v,-jav-version: Query current JVM for version.
-p [pkg1-SLOT],pkg2-SLOT],...]-classpath[=package1,package2,...]: Calculate classpath for a package. If a package is installed in different slots you can also specify the slot to get the specific classpath informations.
-g VAR,-ge-env=VAR: Print an environment variable from the active VM.
-e command,-exec=command: Run the specified JDK/JRE utility of the active vm, such as keytool , rmic and others.
-i PACKAGE(S),-library=PACKAGE(S): Print java library paths for these packages. Used for example in wrapper scripts like this:-Djava.library.path=$(jav-config-i sw-3). Follows the same pkg-SLOT] convention as for example-classpath.
-l,-lis-availabl-packages: List available Java packages. Used for selection by -classpath
-L,-lis-availabl-vms: Lists available JVMs.
-f,-sho-activ-vm: Show the JVM that's currently active, as set by eselect jav-vm.
-n,-nocolor: Turn off all colors.
-P <v-id>,-print=<v-id>: Print the environment information for the specified virtual machine.
-d,-wit-dependencies: Include package dependencies in-classpath and-library calls.
-r,-runtime: Print the runtime classpath.
-package=PACKAGE(S): Retrieve a value from a packages package.env file, value is specified by-query.
-q QUERY,-query=QUERY: Value to retieve from packages package.env file, specified by-package.
-ge-virtua-providers=PACKAGE(S): Return a list of packages that provide a virtual.