Undefined reference to `boost::system::get_posix_category()?

Adding the -static sounds like a bad idea, you can break other parts of your code with it. To use -static you're linked libraries should be compiled using static, sometimes that doesn't happen.

Issue was resolved by adding -static parameter to g++. Why it works so I don't know.

Forgot to add the files to QT Designer. Solved!

Now just click that green arrow to mark this as "the" answer. – GMan Feb 20 '10 at 19:34.

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.