2 files changed, 3 insertions, 1 deletions

diff --git a/src/s/cygwin.h b/src/s/cygwin.h
index 4d58542e660..157ef72f550 100644
--- a/src/s/cygwin.h
+++ b/src/s/cygwin.h
@@ -101,5 +101,8 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
    returns ENOSYS.  A workaround is to set G_SLICE=always-malloc. */
 #define G_SLICE_ALWAYS_MALLOC
 
+/* Send signals to subprocesses by "typing" special chars at them.  */
+#define SIGNALS_VIA_CHARACTERS
+
 /* arch-tag: 5ae7ba00-83b0-4ab3-806a-3e845779191b
    (do not change this comment) */
diff --git a/src/s/ms-w32.h b/src/s/ms-w32.h
index 4ae5f32e873..826a02bc60f 100644
--- a/src/s/ms-w32.h
+++ b/src/s/ms-w32.h
@@ -112,7 +112,6 @@ struct sigaction {
 #undef  HAVE_UTIME_H
 #undef  HAVE_LINUX_VERSION_H
 #undef  HAVE_SYS_SYSTEMINFO_H
-#undef  HAVE_TERMIOS_H
 #define HAVE_LIMITS_H 1
 #define HAVE_STRING_H 1
 #define HAVE_STDLIB_H 1