It may happen that you need to use Xpdf, even though it no longer ships with Ubuntu and is considered ... outdated? buggy? insecure? In any case, it still renders some PDFs that Poppler-based viewers such as Evince don't, or allows some troublesome PDFs to print as fonts and line art instead of a rasterized mess.
Here's how I built and installed xpdf 3.02 on Ubuntu 11.04 (Natty Narwhal) x86_64:
sudo apt-get install libfreetype6-dev libmotif-dev wget ftp://ftp.foolabs.com/pub/xpdf/xpdf-3.02.tar.gz # now 3.03 is current tar xzpf xpdf-3.02.tar.gz cd xpdf-3.02 ./configure --with-freetype2-library=/usr/lib/x86_64-linux-gnu \ --with-freetype2-includes=/usr/include/freetype2 \ --with-Xm-library=/usr/lib \ --with-Xm-includes=/usr/include/Xm make # see lots of warnings! sudo make install
That's it. Not as nice as the old native Debian/Ubuntu packages, but gets the job done.