#include <inttypes.h>
#include <limits.h>
#include <pwd.h>
-#include <strings.h>
+#if HAVE_STRINGS_H
+# include <strings.h>
+#endif
#include <sys/types.h>
-#include <unistd.h>
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
#include "ms_setting.h"
#include "ms_conn.h"