steps needed 2010-05-06 to compile kenwood from source on fresh installed debian lenny (64bits):
#######################################################
apt-get install git-core

wget http://packages.vyatta.com/vyatta-dev/larkspur/unstable/pool/main/squashfs-tools_4.0+vyatta-3_i386.deb
dpkg -i squashfs-tools_4.0+vyatta-3_i386.deb

and put the following in /etc/apt/preferences to "pin" its version:

Package: squashfs-tools
Pin: version 4.*
Pin-Priority: 1001 



cd /usr/src
git-clone http://git.vyatta.com/build-iso.git
cd build-iso
#less README # to check for more info
./setup-build-env
./setup-pkg-build


#setup-build-env didn't install these packages:

apt-get install libedit-dev locales libnet0-dev syslinux htmldoc man2html libcurl3-dev libopensc2-dev libldap2-dev libpcap-dev libpci-dev hardening-wrapper 

#time to build kenwood branch:
git checkout --track -b kenwood origin/kenwood
# OR
#time to build larkspur branch:
git checkout --track -b larkspur origin/larkspur

autoreconf -i
./configure --with-target-dist=lenny

time make