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If you build LibRaw within

If you build LibRaw within your project, you need to set this define for compiler.

If you build LibRaw using supplied Makefile.msvc (as starting point), all things are already set-up.
Just tested with VisualStudio 2013 (it complains about /arch:SSE2, because this option is default now, but compiles LibRaw and examples OK)

-- Alex Tutubalin @LibRaw LLC