SDL integrating with DirectFB

Hi All,
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For implementing applications and the middleware,my system has a directfb with the chip specific gfx driver(no source) integrated with the libraries that provides interface for the chip and the hardware.
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I need to use the some GUI libraries like PICOGUI or something in my mipsel embedded system.
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My plan is?to use the PICOGUI+SDL+Directfb for my system.
How can i?integrate the SDL?in my existing system like this??.?
Please suggest me the overview…
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Wr,Naidu