diff --git a/gnu/usr.bin/binutils/gdb/i386/xm.h b/gnu/usr.bin/binutils/gdb/i386/xm.h
index 8d28df0b713..fe5fe7601fd 100644
--- a/gnu/usr.bin/binutils/gdb/i386/xm.h
+++ b/gnu/usr.bin/binutils/gdb/i386/xm.h
@@ -29,3 +29,5 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 /* Get rid of any system-imposed stack limit if possible.  */
 
 #define SET_STACK_LIMIT_HUGE
+
+#define HAVE_TERMIOS
diff --git a/gnu/usr.bin/gdb/gdb/xm.h b/gnu/usr.bin/gdb/gdb/xm.h
index 8d28df0b713..fe5fe7601fd 100644
--- a/gnu/usr.bin/gdb/gdb/xm.h
+++ b/gnu/usr.bin/gdb/gdb/xm.h
@@ -29,3 +29,5 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 /* Get rid of any system-imposed stack limit if possible.  */
 
 #define SET_STACK_LIMIT_HUGE
+
+#define HAVE_TERMIOS