From: Christoph Egger <Christoph.Egger@amd.com>
Date: Thu, 17 May 2012 13:45:43 +0000 (+0100)
Subject: libxl: fix build on platforms where openpty's parameters are not const.
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libxl: fix build on platforms where openpty's parameters are not const.

Such as NetBSD. Fixes this build error:

libxl_aoutils.c: In function 'libxl__openptys':
libxl_aoutils.c:281:13: error: passing argument 4 of 'openpty' discards
qualifiers from pointer target type
/usr/include/util.h:92:6: note: expected 'struct termios *' but argument
is of type 'const struct termios *'
libxl_aoutils.c:281:13: error: passing argument 5 of 'openpty' discards
qualifiers from pointer target type
/usr/include/util.h:92:6: note: expected 'struct winsize *' but argument
is of type 'const struct winsize *'

Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>
Acked-by: Roger Pau Monne <roger.pau@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
---

diff --git a/tools/libxl/libxl_aoutils.c b/tools/libxl/libxl_aoutils.c
index 91e34dea95..ee0df57ff5 100644
--- a/tools/libxl/libxl_aoutils.c
+++ b/tools/libxl/libxl_aoutils.c
@@ -230,8 +230,8 @@ static void openpty_exited(libxl__egc *egc, libxl__ev_child *child,
 }
 
 int libxl__openptys(libxl__openpty_state *op,
-                    const struct termios *termp,
-                    const struct winsize *winp) {
+                    struct termios *termp,
+                    struct winsize *winp) {
     /*
      * This is completely crazy.  openpty calls grantpt which the spec
      * says may fork, and may not be called with a SIGCHLD handler.
diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h
index 73b991524e..85da15562e 100644
--- a/tools/libxl/libxl_internal.h
+++ b/tools/libxl/libxl_internal.h
@@ -1740,8 +1740,8 @@ struct libxl__openpty_result {
 };
 
 int libxl__openptys(libxl__openpty_state *op,
-                    const struct termios *termp,
-                    const struct winsize *winp);
+                    struct termios *termp,
+                    struct winsize *winp);
 
 
 /*----- bootloader -----*/