# error "Must #define __STDC_LIMIT_MACROS before #including Support/DataTypes.h"
#endif
+#ifndef _MSC_VER
// Note that <inttypes.h> includes <stdint.h>, if this is a C99 system.
@INCLUDE_INTTYPES_H@
@INCLUDE_SYS_TYPES_H@
+#else
+// Visual C++ doesn't provide standard integer headers, but it does provide
+// built-in data types.
+typedef __int64 int64_t;
+typedef unsigned __int64 uint64_t;
+#endif
#if !defined(INT64_MAX)
/* We couldn't determine INT64_MAX; default it. */
# error "Must #define __STDC_LIMIT_MACROS before #including Support/DataTypes.h"
#endif
+#ifndef _MSC_VER
// Note that <inttypes.h> includes <stdint.h>, if this is a C99 system.
@INCLUDE_INTTYPES_H@
@INCLUDE_SYS_TYPES_H@
+#else
+// Visual C++ doesn't provide standard integer headers, but it does provide
+// built-in data types.
+typedef __int64 int64_t;
+typedef unsigned __int64 uint64_t;
+#endif
#if !defined(INT64_MAX)
/* We couldn't determine INT64_MAX; default it. */