Problem with Adafruit DotStar strips + Intel Galileo

Hi I'm trying to light up an Adafruit DotStar strips with an Intel Galileo board using the library exemple, but it doesn't work!

It gives me this error:

Documents\Arduino\libraries\Adafruit_DotStar\Adafruit_DotStar.cpp: In member function 'void Adafruit_DotStar::hw_spi_init()':
Documents\Arduino\libraries\Adafruit_DotStar\Adafruit_DotStar.cpp:111:24: error: 'F_CPU' was not declared in this scope

When I tried with the arduino uno, it worked !

I don't understand why it compiles with the arduino uno , but refuses to compile with the galileo. Anyone have any Idea of how to make it work with the galileo ? :(

Thanks in advance