• centos 6.7
• jdk 1.7

sudo yum install hg

• hg clone http://hg.openjdk.java.net/jdk7/jdk7 myjdk7
• sh ./get_source.sh

sudo yum install gcc gcc-c++ libXt-devel libXtst-devel libXrender-devel alsa* cups* ant ant-* freetype-devel.x86_64

gcc （4.4.7）

vim ./jdk/src/share/classes/java/util/CurrencyData.properties

将如下时间修改到距离当前10年内 AZ=AZM;2005-12-31-20-00-00;AZNMZ=MZM;2006-06-30-22-00-00;MZNRO=ROL;2005-06-30-21-00-00;RONTR=TRL;2004-12-31-22-00-00;TRYVE=VEB;2008-01-01-04-00-00;VEF

vim hotspot/make/linux/Makefile 将包含test_gamma的行全部删除

• mkdir dropdir
• wget http://download.java.net/glassfish/components/jax-ws/openjdk/jdk7/jdk7-jaxws2_2_4-b03-2011_05_27.zip
• wget ftp://ftp.usa.openbsd.org/pub/OpenBSD/distfiles/jdk/jdk7-jaf-2010_08_19.zip
• wget ftp://ftp.usa.openbsd.org/pub/OpenBSD/distfiles/jdk/jaxp145_01.zip

export LANG=C
export ALT_BOOTDIR=/usr/local/jdk1.7.0_80/bin/java

export BUILD_HOTSPOT=true
export BUILD_JDK=true
export BUILD_LANGTOOLS=true
# skip jaxws
#export BUILD_JAXWS=false
# skip jaxp
#export BUILD_JAXP=false
# skip corba
#export BUILD_CORBA=false

export SKIP_COMPARE_IMAGES=true
BUILD_DEPLOY=false
BUILD_INSTALL=false
export ARCH_DATA_MODEL=64
export ALLOW_DOWNLOADS=true

unset JAVA_HOME
unset CLASSPATH

编译命令

sudo make ALT_BOOTDIR=/usr/local/jdk1.7.0_80 ALLOW_DOWNLOADS=true ALT_DROPS_DIR=/home/hadoop/myjdk7/drop_dir

• jdk目录：myjdk7/build/linux-amd64/j2sdk-image/
• hotspot目录：myjdk7/build/linux-amd64/hotspot/outputdir/linuxcompiler2/