Google Code-in

The goal of this task is to write a recipe for calc.

Calc is a C-style arbitrary precision calculator.

You can find the sources on the project homepage: http://www.isthe.com/chongo/tech/comp/calc/

The recipe should be added to haikuports at haikuports/sci-mathematics/calc/.

Important: please read the generic instructions for "recipe" tasks, as we have a lot of these: https://dev.haiku-os.org/wiki/GoogleCodeInTaskRecipe