Building the "langtools" workspace.+
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The "langtools" workspace can be built from the command line with Ant.+
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The build file is make/build.xml, in conjunction with make/build.properties.+
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Some additional user-specific properties files are also read, to allow+
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you to customize selected properties as needed.+
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Individual tools within the workspace can also be built and worked on+
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with NetBeans, using the projects in the make/netbeans directory.+
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The "langtools" workspace can also be built from the command line with+
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GNU Make, although the Makefile is simply a wrapper around the Ant+
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build file. This is provided for systems (such as the full OpenJDK build)+
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that expect to be able to build this workspace with GNU Make.+
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System Requirements:+
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  Ant:      version 1.6.5 or later+
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  NetBeans: version 5.0 or later (optional)+
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  JDK:      currently version 1.5.0, although 1.6.0 is recommended+
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  OS:       any system supporting the above tools+
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For more information:+
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  Ant:      http://ant.apache.org/+
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  GNU Make: http://www.gnu.org/software/make/+
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  NetBeans: http://www.netbeans.org/+
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Testing the "langtools" workspace.+
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The primary set of tests for the compiler is the compiler TCK. This+
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tests that the compiler performs according to the specifications in+
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JLS and JVMS.+
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In addition, there is a substantial collection of regression and unit+
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tests for all the tools in the maain langtools test/ directory.+
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Finally, there is a small set of tests to do basic validation of a build+
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of the langtools workspace for use by JDK. These tests check the contents+
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of the dist/ directory generated by the build, and verify that the various+
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tools can do basic "Hello World"-style processing. These tests should be+
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run by jtreg, with the -jdk option set a version of JDK capable of running+
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the default output of the javac compiler in this workspace. Currently, +
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this means JDK 6 or better.+
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