# required packages
sudo apt-get install build-essential dpkg-cross fakeroot devscripts
sudo apt-get build-dep binutils gcc-4.4 gcc-4.3 gcc-4.2 gcc-4.1

# binutils
apt-get -t unstable source binutils
cd binutils*
TARGET=m68k fakeroot debian/rules binary-cross
sudo dpkg -i binutils*deb

# requires cross libc6 build-deps
#gcc requires libc6-dev-m68k-cross
sudo dpkg-cross -a m68k -i libc6_2.5-11_m68k.deb 
sudo dpkg-cross -a m68k -i libc6-dev_2.5-11_m68k.deb linux-libc-dev_2.6.25-4_m68k.deb

# which means you need to install these first
gcc-4.3-m68k-linux-gnu-base_4.3.0-4_i386.deb
libgcc2-m68k-cross_4.3.0-4_all.deb

# oh look, a catch 22
# I got around with dpkg --configure -a 
# since I already have a libgcc2 compiled

# gcc
apt-get -t unstable source gcc-4.3
cd gcc-4.3*
GCC_TARGET=m68k DEB_CROSS_INDEPENDENT=yes debian/rules control

GCC_TARGET=m68k DEB_CROSS_INDEPENDENT=yes dpkg-buildpackage -rfakeroot -b

#libgomp1 comes from the regular host (e.g. i386) and must match version.
sudo dpkg -i libgcc2 cpp-4.3 gcc-4.3