Added Makefile for building syborg-graphicswrapper using GCC
At present the build fails due to the following missing headers:
KhronosAPIWrapper.h
VirtualVideoInterfaceConstants.h
platformthreading.h
protocol_MGraphicsVHWCallback.h
The AmigaOS code has been removed from SDL, since it had been broken for a
long time and had a few bits of fairly invasive code #ifdef'd into the
SDL core.
However, there is an OS4 version of SDL here:
http://www.rcdrummond.net/amiga/index.html
And a MorphOS version here:
http://www.lehtoranta.net/powersdl/
--ryan.