how to build 32-bit openjdk7 on x86_64

Hi Folks, I am trying to build 32-bit openjdk7 from source under control/make, but I seem to have endless troubles picking up the right ARCH option. The source code is from the b23 snapshot. I started with make ARCH_DATA_MODEL=32 ALT_BOOTDIR=/usr/lib/jvm/java-6-sun ANT_HOME= FINDBUGS_HOME= It q

jdk7/tl/langtools: Added dummy comment

Changeset: d046b75bf7b2 Author:jjg Date: 2007-11-27 17:24 -0800 URL: http://hg.openjdk.java.net/jdk7/tl/langtools/rev/d046b75bf7b2 Added dummy comment ! README

jdk7/tl/jdk: Undid the bad header file and added a new file

Changeset: 985827c1b854 Author:ksrini Date: 2007-11-27 17:22 -0800 URL: http://hg.openjdk.java.net/jdk7/tl/jdk/rev/985827c1b854 Undid the bad header file and added a new file + src/share/bin/README ! src/share/bin/main.c

jdk7/tl/jdk: Added new include as test.

Changeset: 81a7f7824e6b Author:ksrini Date: 2007-11-27 16:22 -0800 URL: http://hg.openjdk.java.net/jdk7/tl/jdk/rev/81a7f7824e6b Added new include as test. ! src/share/bin/main.c