Add extutilP.h header for xgeExtRegister() prototype

Clears gcc warning:

Xge.c:302:11: warning: no previous prototype for ‘xgeExtRegister’
 [-Wmissing-prototypes]
 _X_HIDDEN xgeExtRegister(Display* dpy, int offset, XExtensionHooks* callbacks)
           ^~~~~~~~~~~~~~

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

4 files changed, 50 insertions, 3 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index e236c33..2178f3e 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -27,6 +27,7 @@ libXext_la_SOURCES = \
 	Xdbe.c \
         Xge.c \
 	extutil.c \
+	extutilP.h \
 	globals.c
 
 libXextincludedir = $(includedir)/X11/extensions
diff --git a/src/Xge.c b/src/Xge.c
index f1af16a..2b97743 100644
--- a/src/Xge.c
+++ b/src/Xge.c
@@ -39,6 +39,8 @@
 #include <X11/extensions/extutil.h>
 #include <X11/extensions/Xge.h>
 
+#include "extutilP.h"
+
 /***********************************************************************/
 /*                    internal data structures                         */
 /***********************************************************************/
diff --git a/src/extutil.c b/src/extutil.c
index 93cab73..e9d293f 100644
--- a/src/extutil.c
+++ b/src/extutil.c
@@ -54,9 +54,7 @@ in this Software without prior written authorization from The Open Group.
 #include <X11/extensions/extutil.h>
 #include <X11/extensions/ge.h>
 
-/* defined in Xge.c */
-extern _X_HIDDEN Bool
-xgeExtRegister(Display* dpy, int extension, XExtensionHooks* callbacks);
+#include "extutilP.h"
 
 /*
  * XextCreateExtension - return an extension descriptor containing context
diff --git a/src/extutilP.h b/src/extutilP.h
new file mode 100644
index 0000000..8abf7fc
--- /dev/null
+++ b/src/extutilP.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright © 2007-2008 Peter Hutterer
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Peter Hutterer, University of South Australia, NICTA
+ */
+
+/*
+ * Private functions internal to libXext
+ */
+
+#ifndef _EXTUTILP_H_
+#define _EXTUTILP_H_
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <X11/Xfuncproto.h>
+#include <X11/extensions/extutil.h>
+
+/*
+ * Extensions need to register callbacks for their events.
+ */
+_X_HIDDEN Bool xgeExtRegister(Display* dpy, int offset,
+                              XExtensionHooks* callbacks);
+
+#endif /* _EXTUTILP_H_ */