Page History

...

• Hardware: Any 64-bit capable Intel Mac
  • RAM: 4GB
• Minimum OS version: Mac OS X 10.7.3
• Xcode: 4.1 or later from the Mac App Store (free download)

• Mercurial: http://mercurial.berkwood.com/
• X11
  • On OS X Lion: Run X11.app to install as an additional download
  • On OS X Mountain Lion: XQuartz

JTReg is not required to build but useful for running regression tests

...

hg clone http://hg.openjdk.java.net/jdk8/jdk8-dev
cd jdk7u-devjdk8
chmod 755 get_source.sh
./get_source.sh

...

make ALLOW_DOWNLOADS=true SA_APPLE_BOOT_JAVA=true ALWAYS_PASS_TEST_GAMMA=true ALT_BOOTDIR=`/usr/libexec/java_home -v 1.6` HOTSPOT_BUILD_JOBS=`sysctl -n hw.ncpu`

If you are building on Mountain Lion you must also define the path to the X11 includes:export CPATH="/usr/X11/include"* Steps for incremental building

3. Smoke Test

build/macosx-universal/j2sdk-image/bin/java -version

...

mkdir -p ~/Library/Java/JavaVirtualMachines
cp -R build/macosx-universal/j2sdk-bundle/1jdk1.7.0.jdk ~/Library/Java/JavaVirtualMachines

...

1. Download an official or unofficial build
2. Open If you have /Applications/Utilities/Java Preferences.app:
   1. Open it
   2. Drag both "OpenJDK 7" entries to the top of the list
3. Run "java -version" in /Applications/Utilities/Terminal.app