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README
author johnc
Fri, 02 Dec 2011 12:39:23 -0800
changeset 11202 6be05533238b
parent 10208 9bc94e291a10
child 15787 496cd89abcc5
permissions -rw-r--r--
7114095: G1: assert(obj == oopDesc::load_decode_heap_oop(p)) failed: p should still be pointing to obj Summary: As a result of the changes for 4965777, the G1 reference field scanning closure could be applied to the discovered field of a reference object twice. The failing assert is too strong if the result of the first application of the closure is stolen, and the referenced object, evacuated by another worker thread. Reviewed-by: ysr, tonyp

README:
  This file should be located at the top of the OpenJDK Mercurial root
  repository. This root repository will include a "make" directory,
  and a Makefile for building the entire OpenJDK.
  A full OpenJDK repository set (forest) should also include the following
  6 nested repositories:
    "jdk", "hotspot", "langtools", "corba", "jaxws"  and "jaxp".
  There are also several source downloads for the jax* repositories that
  will be needed.

  This one root repository can be obtained with something like:

    hg clone http://hg.openjdk.java.net/jdk8/jdk8 openjdk8
  
  To make sure you have all the nested repositories, you can run the
  get_source.sh script located in the same respository as this file:

    cd openjdk8 && sh ./get_source.sh

  People unfamiliar with Mercurial should read the first few chapters of
  the Mercurial book: http://hgbook.red-bean.com/read/

  See http://openjdk.java.net/ for more information about the OpenJDK.

Simple Build Instructions:
  
  0. Get the necessary system software/packages installed on your system, see
     http://hg.openjdk.java.net/jdk8/build/raw-file/tip/README-builds.html

  1. If you don't have a jdk6 installed, download and install a JDK 6 from
     http://java.sun.com/javase/downloads/index.jsp
     Set the environment variable ALT_BOOTDIR to the location of JDK 6.

  2. Check the sanity of doing a build with your current system:
       make sanity
     See README-builds.html if you run into problems.
  
  3. Do a complete build of the OpenJDK:
       make all
     The resulting JDK image should be found in build/*/j2sdk-image

where make is GNU make 3.81 or newer, /usr/bin/make on Linux usually
is 3.81 or newer.

Complete details are available in README-builds.html.
jdk-sandbox