Official source code is available at http://pdfium.googlesource.com
This is fork of PDFium with configurable variable for disabling V8 JavaScript engine (disabled by default).
Klokan Technologies uses this version with the GDAL PDFium driver
See the shell scripts for Linux, Mac and Windows in the build branch
For official build instructions visit https://code.google.com/p/pdfium/wiki/Build
git remote add upstream https://pdfium.googlesource.com/pdfium
git fetch upstream
git merge upstream/master