.

diff --git a/src/stty.c b/src/stty.c
index eba0f11d123f6bede3842655da02e3937a9e919c..ea75cc18aec4426a182d82a628a1c35d168e1a13 100644 (file)
--- a/src/stty.c
+++ b/src/stty.c
@@ -103,6 +103,13 @@
 #if defined(VSWTCH) && !defined(CSWTCH)
 #define        CSWTCH _POSIX_VDISABLE
 #endif
+
+/* SunOS 5.3 loses (^Z doesn't work) if `swtch' is the same as `susp'.
+   So the default is to disable `swtch.'  */
+#if defined (__sparc__) && defined (__svr4__)
+#define        CSWTCH _POSIX_VDISABLE
+#endif
+
 #if defined(VDSUSP) && !defined (CDSUSP)
 #define        CDSUSP Control ('y')
 #endif