--- exec.c.orig	Fri Dec  7 22:54:16 2012
+++ exec.c	Fri Dec  7 22:57:00 2012
@@ -100,7 +100,11 @@ getpty(name)
     /* look for a Solaris/UNIX98-type pseudo-device */
 
 #ifdef USE_DEV_PTMX
+#ifdef HAVE_POSIX_OPENPT
+    if ((pty=posix_openpt(O_RDWR|O_NOCTTY)) >= 0)
+#else
     if ((pty=open("/dev/ptmx", O_RDWR)) >= 0)
+#endif
     {
     	/* grantpt() might want to fork/exec! */
 	sigchld = signal(SIGCHLD, SIG_DFL);