Add argument flags to the build EXEs for single projects only

Question

I'm writing many different documents in TeXlipse, and right now I'm running into the issue that one of them requires --shell-escape to be set. Obviously I'd rather not use it for everything, so I'd like to add that flag to the build chain (pdflatex.exe to be precise) for that one project only. Is that even possible, and if yes, how?