queezythegreat/arduino-cmake — pull request #62 by james147 (2013-04-23 12:18:44+00:00)
Title: Adds if not defs around the flag declorations

Checks to see if the varibles ARDUINO_C_FLAGS and ARDUINO_CXX_FLAGS has
already been set and only sets them if they are not. This fixes a bug
where the user could not define the flags manually as they where always
overwritten.