Index: trunk/include/VBox/xrandr-calls.h
===================================================================
--- trunk/include/VBox/xrandr-calls.h	(revision 92989)
+++ trunk/include/VBox/xrandr-calls.h	(revision 92989)
@@ -0,0 +1,64 @@
+/** @file
+ * Stubs for dynamically loading libXrandr and the symbols which are needed by
+ * VirtualBox.
+ */
+
+/*
+ * Copyright (C) 2008-2022 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+/** The file name of the DBus library */
+#define RT_RUNTIME_LOADER_LIB_NAME  "libXrandr.so.2"
+
+/** The name of the loader function */
+#define RT_RUNTIME_LOADER_FUNCTION  RTXrandrLoadLib
+
+/** The following are the symbols which we need from the Xrandr library. */
+#define RT_RUNTIME_LOADER_INSERT_SYMBOLS \
+ RT_PROXY_STUB(XRRQueryExtension, Bool, (Display *dpy, int *event_base_return, int *error_base_return), \
+                 (dpy, event_base_return, error_base_return)) \
+ RT_PROXY_STUB(XRRQueryVersion, Bool, (Display *dpy, int *major_version_return, int *minor_version_return), \
+                 (dpy, major_version_return, minor_version_return)) \
+ RT_PROXY_STUB(XRRSelectInput, void, (Display *dpy, Window window, int mask), \
+                 (dpy, window, mask)) \
+ RT_PROXY_STUB(XRRGetMonitors, XRRMonitorInfo *, (Display *dpy, Window window, Bool get_active, int *nmonitors), \
+                 (dpy, window, get_active, nmonitors)) \
+ RT_PROXY_STUB(XRRFreeMonitors, void, (XRRMonitorInfo *monitors), \
+                 (monitors))
+
+#ifdef VBOX_XRANDR_GENERATE_HEADER
+# define RT_RUNTIME_LOADER_GENERATE_HEADER
+# define RT_RUNTIME_LOADER_GENERATE_DECLS
+# include <iprt/runtime-loader.h>
+# undef RT_RUNTIME_LOADER_GENERATE_HEADER
+# undef RT_RUNTIME_LOADER_GENERATE_DECLS
+
+#elif defined(VBOX_XRANDR_GENERATE_BODY)
+# define RT_RUNTIME_LOADER_GENERATE_BODY_STUBS
+# include <iprt/runtime-loader.h>
+# undef RT_RUNTIME_LOADER_GENERATE_BODY_STUBS
+
+#else
+# error This file should only be included to generate stubs for loading the Xrandr library at runtime
+#endif
+
+#undef RT_RUNTIME_LOADER_LIB_NAME
+#undef RT_RUNTIME_LOADER_INSERT_SYMBOLS
+
Index: trunk/include/VBox/xrandr.h
===================================================================
--- trunk/include/VBox/xrandr.h	(revision 92989)
+++ trunk/include/VBox/xrandr.h	(revision 92989)
@@ -0,0 +1,51 @@
+/** @file
+ * Module to dynamically load libXrandr and load all symbols which are needed by
+ * VirtualBox.
+ */
+
+/*
+ * Copyright (C) 2008-2022 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+#ifndef VBOX_INCLUDED_xrandr_h
+#define VBOX_INCLUDED_xrandr_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <iprt/types.h>
+#include <iprt/stdarg.h>
+
+#include <X11/Xlibint.h>
+#include <X11/extensions/Xrandr.h>
+
+#ifndef __cplusplus
+# error "This header requires C++ to avoid name clashes."
+#endif
+
+/* Declarations of the functions that we need from libXrandr */
+#define VBOX_XRANDR_GENERATE_HEADER
+
+#include <VBox/xrandr-calls.h>
+
+#undef VBOX_XRANDR_GENERATE_HEADER
+
+#endif /* !VBOX_INCLUDED_xrandr_h */
+
