32 Bit Build of SpiderMonkey -- First in a while

Some quick notes on doing a recent 32 bit build of SpiderMonkey

Mozconfig:

ac_add_options --target=i686-pc-linux

ac_add_options --enable-application=js

ac_add_options --disable-optimize
ac_add_options --enable-debug
ac_add_options --enable-ccache=sccache
ac_add_options --disable-tests


# Dump opt builds into another dir.
mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/obj-debug-shell-@CONFIG_GUESS@

Machine needs to have 32-bit packages available:

• sudo dpkg --add-architecture i386 && sudo apt-get update

Need 32bit zlib:

• sudo apt-get install zlib1g:i386