Add flags needed to build and work on Ultrix.

diff --git a/configure.ac b/configure.ac
index dcb44915d74d04da801c8f74d26757a24d16055a..4baaa62a8e78616d64b0e3f98e76137baa4e26b6 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1201,8 +1201,24 @@ mips-sony-bsd|mips-sony-newsos4)
 
 *-*-ultrix*)
        AC_DEFINE([BROKEN_GETGROUPS], [1], [getgroups(0,NULL) will return -1])
-       AC_DEFINE([NEED_SETPGRP])
+       AC_DEFINE([NEED_SETPGRP], [1], [Need setpgrp to for controlling tty])
        AC_DEFINE([HAVE_SYS_SYSLOG_H], [1], [Force use of sys/syslog.h on Ultrix])
+       AC_DEFINE([DISABLE_UTMPX], [1], [Disable utmpx])
+       # DISABLE_FD_PASSING so that we call setpgrp as root, otherwise we
+       # don't get a controlling tty.
+       AC_DEFINE([DISABLE_FD_PASSING], [1], [Need to call setpgrp as root])
+       AC_DEFINE([realpath(x, y)], [(sftp_realpath((x),(y)))], [no realpath])
+       # On Ultrix netinet/ip.h is not protected against multiple includes,
+       # so we create our own wrapper and put it where the compiler will
+       # find it.
+       AC_MSG_WARN([creating compat wrapper for netinet/ip.h])
+       mkdir -p netinet
+       cat >netinet/ip.h <<EOD
+#ifndef _SSH_COMPAT_NETINET_IP_H
+#define _SSH_COMPAT_NETINET_IP_H
+#include "/usr/include/netinet/ip.h"
+#endif
+EOD
        ;;
 
 *-*-lynxos)