sudo aptitude install libx11-dev libmotif-dev libpng-dev \
libjpeg-dev libxt-dev x11proto-print-dev libxprintutil-dev \
libxprintapputil-dev libxcb-xprint0-dev libprinterconf-dev \
libxpm-dev
For Ubuntu 11.04 add:
libxmu-dev
sudo aptitude install libx11-dev libmotif-dev libpng-dev \
libjpeg-dev libxt-dev x11proto-print-dev libxprintutil-dev \
libxprintapputil-dev libxcb-xprint0-dev libprinterconf-dev \
libxpm-dev
libxmu-dev