diff --git a/newlib/configure.host b/newlib/configure.host
index 521c8fbae..3b0fbfb44 100644
--- a/newlib/configure.host
+++ b/newlib/configure.host
@@ -432,7 +432,7 @@ case "${host}" in
   *-*-cygwin*)
 	test -z "$cygwin_srcdir" && cygwin_srcdir=`cd ${srcdir}/../winsup/cygwin; pwd`
 	export cygwin_srcdir
-	newlib_cflags="${newlib_cflags} -DHAVE_OPENDIR -DHAVE_RENAME -DSIGNAL_PROVIDED -DWANT_IO_LONG_DBL -DWANT_PRINTF_LONG_LONG -D_COMPILING_NEWLIB -DHAVE_FCNTL -DMALLOC_PROVIDED -I${cygwin_srcdir}/include"
+	newlib_cflags="${newlib_cflags} -DHAVE_OPENDIR -DHAVE_RENAME -DSIGNAL_PROVIDED -DWANT_IO_POS_ARGS -DWANT_IO_LONG_DBL -DWANT_PRINTF_LONG_LONG -D_COMPILING_NEWLIB -DHAVE_FCNTL -DMALLOC_PROVIDED -I${cygwin_srcdir}/include"
 	syscall_dir=syscalls
 	;;
 # RTEMS supplies its own versions of some routines: