See this page for info about LGPL and iOS incompatibility, you need to think about this before attempting to use ffmpeg in an iOS app: compatibility-between-the-iphone-app-store-and-the-lgpl . There are other options that are fully legal, and if you are doing h.264 encoding just using the built-in hardware is way way faster anyway.
(Clang seems not to support the float-abi flag: http://www.google.com/search?q=clang+float-abi is full of woeful tales.).
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.