How to include needed C library using gcc?

Question

I am trying to compile the simple C example from this Tutorial on Ubuntu using gcc. What do I have to use as argument for gcc to include the needed libraries for #incl

Answer 1

gcc example.c -o example  `pkg-config --cflags --libs appindicator-0.1`

pkg-config will fetch the required include and lib flags for libappindicator and it's dependencies. This assumes libappindictaor-dev package is already installed.