#ifndef NOTMUCH_DATABASE_PRIVATE_H
#define NOTMUCH_DATABASE_PRIVATE_H
+/* According to WG14/N1124, a C++ implementation won't provide us a
+ * macro like PRIx64 (which gives a printf format string for
+ * formatting a uint64_t as hexadecimal) unless we define
+ * __STDC_FORMAT_MACROS before including inttypes.h. That's annoying,
+ * but there it is.
+ */
+#define __STDC_FORMAT_MACROS
+#include <inttypes.h>
+
#include "notmuch-private.h"
#include <xapian.h>