Use the real glibc openpty if present.

configure.in

@@ -100,6 +100,12 @@ dnl Check for -lxpg4 for FreeBSD
 AC_CHECK_LIB(xpg4,setrunelocale)
 dnl Check for -lmmap for OS/2
 AC_CHECK_LIB(mmap,mmap)
+dnl Check for openpty
+AC_CHECK_FUNCS(openpty,,
+	AC_CHECK_LIB(util,openpty,
+		AC_DEFINE(HAVE_OPENPTY)
+		LIBS="$LIBS -lutil"
+	))
 
 AC_CHECK_HEADERS(dlfcn.h,
 	AC_CHECK_FUNCS(dlopen,
@@ -562,6 +568,7 @@ AC_CHECK_HEADERS(\
 	net/if.h \
 	netinet/in.h \
 	netinet/tcp.h \
+	pty.h \
 	resolv.h \
 	sched.h \
 	socket.h \

include/config.h.in

@@ -182,6 +182,9 @@
 /* Define if you have the memmove function.  */
 #undef HAVE_MEMMOVE
 
+/* Define if you have the openpty function.  */
+#undef HAVE_OPENPTY
+
 /* Define if you have the rfork function.  */
 #undef HAVE_RFORK
 
@@ -305,6 +308,9 @@
 /* Define if you have the <netinet/tcp.h> header file.  */
 #undef HAVE_NETINET_TCP_H
 
+/* Define if you have the <pty.h> header file.  */
+#undef HAVE_PTY_H
+
 /* Define if you have the <resolv.h> header file.  */
 #undef HAVE_RESOLV_H
 

misc/port.c

@@ -29,6 +29,9 @@
 #ifdef HAVE_SYSCALL_H
 # include <syscall.h>
 #endif
+#ifdef HAVE_PTY_H
+# include <pty.h>
+#endif
 
 /***********************************************************************
  *		usleep
@@ -166,6 +169,9 @@ int strncasecmp( const char *str1, const char *str2, size_t n )
 int wine_openpty(int *master, int *slave, char *name, 
 			struct termios *term, struct winsize *winsize)
 {
+#ifdef HAVE_OPENPTY
+    return openpty(master,slave,name,term,winsize);
+#else
     char *ptr1, *ptr2;
     char pts_name[512];
 
@@ -198,6 +204,7 @@ int wine_openpty(int *master, int *slave, char *name,
         }
     }
     return -1;
+#endif
 }
 
 /***********************************************************************