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README
author ysr
Mon, 07 Feb 2011 22:19:57 -0800
changeset 8296 b1c2163e4e59
parent 7650 6a3a53d8eacc
child 8646 f07e5ed381a8
permissions -rw-r--r--
6912621: iCMS: Error: assert(_markBitMap.isMarked(addr + 1),"Missing Printezis bit?") Summary: Fix block_size_if_printezis_bits() so it does not expect the bits, only uses them when available. Fix block_size_no_stall() so it does not stall when the bits are missing such cases, letting the caller deal with zero size returns. Constant pool cache oops do not need to be unparsable or conc_unsafe after their klass pointer is installed. Some cosmetic clean-ups and some assertion checking for conc-usafety which, in the presence of class file redefinition, has no a-priori time boundedness, so all GCs must be able to safely deal with putatively conc-unsafe objects in a stop-world pause. Reviewed-by: jmasa, johnc

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/jdk7/jdk7 openjdk7
  To make sure you have all the nested repositories, you can run:
    cd openjdk7 && sh ./get_source.sh
  (This is identical to using the Mercurial Forest Extension command 
   'hg fclone http://hg.openjdk.java.net/jdk7/jdk7 openjdk7').
  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/jdk7/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:
       gnumake sanity
     See README-builds.html if you run into problems.
  
  3. Do a complete build of the OpenJDK:
       gnumake all
     The resulting JDK image should be found in build/*/j2sdk-image

where gnumake is GNU make 3.81 or newer, /usr/bin/make on Linux and
/usr/sfw/bin/gmake or /opt/sfw/bin/gmake on Solaris.
jdk-sandbox