michael@0: diff --git a/gfx/cairo/cairo/src/cairo-compiler-private.h b/gfx/cairo/cairo/src/cairo-compiler-private.h
michael@0: index ffac9ce..9a05831 100644
michael@0: --- a/gfx/cairo/cairo/src/cairo-compiler-private.h
michael@0: +++ b/gfx/cairo/cairo/src/cairo-compiler-private.h
michael@0: @@ -229,16 +229,20 @@ ffs (int x)
michael@0:  
michael@0:      if (_BitScanForward(&i, x) != 0)
michael@0:  	return i + 1;
michael@0:  
michael@0:      return 0;
michael@0:  }
michael@0:  #endif
michael@0:  
michael@0: +#elif defined(__WIN32__) && defined(__GNUC__)
michael@0: +
michael@0: +#define ffs(x) __builtin_ffs(x)
michael@0: +
michael@0:  #endif
michael@0:  
michael@0:  #if defined(_MSC_VER) && defined(_M_IX86)
michael@0:  /* When compiling with /Gy and /OPT:ICF identical functions will be folded in together.
michael@0:     The CAIRO_ENSURE_UNIQUE macro ensures that a function is always unique and
michael@0:     will never be folded into another one. Something like this might eventually
michael@0:     be needed for GCC but it seems fine for now. */
michael@0:  #define CAIRO_ENSURE_UNIQUE                       \