#if @GNULIB_CLOSE@
+# if @UNISTD_H_HAVE_WINSOCK2_H@
+/* Need a gnulib internal function. */
+# define HAVE__GL_CLOSE_FD_MAYBE_SOCKET 1
+# endif
# if @REPLACE_CLOSE@
/* Automatically included by modules that need a replacement for close. */
# undef close