1 files changed, 4 insertions, 0 deletions

diff --git a/src/s/hpux9.h b/src/s/hpux9.h
index d801f5a2cc4..aeea8555e79 100644
--- a/src/s/hpux9.h
+++ b/src/s/hpux9.h
@@ -18,7 +18,11 @@
 #define C_SWITCH_SYSTEM -Wp,-H200000 -D_BSD
 #endif
 
+#if 0 /* These definitions run into a bug in hpux
+         whereby trying to disable the vdsusp character has no effect.
+         supposedly there is no particular need for this.  */
 /* neal@ctd.comsat.com */
 #undef HAVE_TERMIO
 #define HAVE_TERMIOS
 #define NO_TERMIO
+#endif