# include <sys/types.h>
typedef u_int32_t sha1_uint32;
typedef uintptr_t sha1_uintptr;
+#elif defined (HAVE_SYS_TYPES_H) && defined (HAVE_STDINT_H)
+#include <stdint.h>
+#include <sys/types.h>
+typedef uint32_t sha1_uint32;
+typedef uintptr_t sha1_uintptr;
#else
# define INT_MAX_32_BITS 2147483647