tar xzvf ImageMagick-4.2.2.tar.gz
cd ImageMagick-4.2.2
./configure --prefix=/usr/X11R6 \
            --includedir=/usr/X11R6/include/X11 \
            --enable-16bit-pixel \
            --with-x \
            --with-frozenpaths=no \
            --enable-shared \
            --enable-lzw \
            --with-perl
make CFLAGS=-O2
# make CFLAGS=-O2 install, then mv Magick-config into /usr/doc/ImageMagick-4.2.2,
# since it's mostly useless.  Doesn't need to be right in the bin dir, in any
# event.
# cp -a www/* /usr/doc/ImageMagick-4.2.2
# cp -a *.txt /usr/doc/ImageMagick-4.2.2