IOGraphics 485 compile problems

[ianf]

I'm having trouble compiling IOGraphics-485 using Xcode 6.4 for 64 bit. The compiler complains that OSSpinLockTry and OSSpinLockUnlock are undeclared in IOFramebuffer.cpp(IOGraphicsFamily module) I'm using OS X 10.10. Another problem is it cannot find pmap_find_phys in IONDRVFramebuffer.cpp(IONDRVSupport module).

I tried to follow some instructions from http://www.insanelymac.com/forum/topic/234277-cant-build-iographics-3732-due-to-errors/ I had to include some missing header files, but was still unsuccessful.

Any help appreciated.