+/*
+ * MSVC hacks.
+ */
+#if defined(_MSC_VER)
+ /*
+ * Visual Studio 2012 will complain if we define the `inline` keyword, but
+ * actually it only supports the keyword on C++.
+ *
+ * To avoid this the _ALLOW_KEYWORD_MACROS must be set.
+ */
+# if (_MSC_VER >= 1700) && !defined(_ALLOW_KEYWORD_MACROS)
+# define _ALLOW_KEYWORD_MACROS
+# endif
+
+ /*
+ * XXX: MSVC has a `__restrict` keyword, but it also has a
+ * `__declspec(restrict)` modifier, so it is impossible to define a
+ * `restrict` macro without interfering with the latter. Furthermore the
+ * MSVC standard library uses __declspec(restrict) under the _CRTRESTRICT
+ * macro. For now resolve this issue by redefining _CRTRESTRICT, but going
+ * forward we should probably should stop using restrict, especially
+ * considering that our code does not obbey strict aliasing rules any way.
+ */
+# include <crtdefs.h>
+# undef _CRTRESTRICT
+# define _CRTRESTRICT
+#endif
+
+