1) You need to compile rawspeed as a library (this is not a problem, just make library from object files)
2) You may need to patch RawSpeed using provided patches (in LibRaw's rawspeed folder)
to provide Dll export (for Windows/DLL) and rawspeed_get_number_of_processor_cores() call
3) You may used qmake .pro file (provided with LibRaw's patches) to build RawSpeed.a/.dll
1) You need to compile rawspeed as a library (this is not a problem, just make library from object files)
2) You may need to patch RawSpeed using provided patches (in LibRaw's rawspeed folder)
to provide Dll export (for Windows/DLL) and rawspeed_get_number_of_processor_cores() call
3) You may used qmake .pro file (provided with LibRaw's patches) to build RawSpeed.a/.dll