Moved OpenThreads directly into OpenSceneGraph/trunk rather than being introduced via svn:externals.

This change has been done to make it easier for OpenSceneGraph users to check out the svn via https 
without any conflicts introduced with a http externals.

src/OpenThreads/common/Version.cpp

@@ -0,0 +1,57 @@
+/* -*-c++-*- OpenThreads library, Copyright (C) 2002 - 2007  The Open Thread Group
+ *
+ * This library is open source and may be redistributed and/or modified under  
+ * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 
+ * (at your option) any later version.  The full license is in LICENSE file
+ * included with this distribution, and on the openscenegraph.org website.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
+ * OpenSceneGraph Public License for more details.
+*/
+
+#include <OpenThreads/Version>
+#include <string>
+#include <stdio.h>
+
+
+/* These functions expect OPENTHREADS_MAJOR_VERSION,
+ * OPENTHREADS_MINOR_VERSION, OPENTHREADS_PATCH_VERSION, and
+ * OPENTHREADS_SOVERSION to be defined by the build system.
+*/
+
+extern "C" {
+
+const char* OpenThreadsGetVersion()
+{
+    static char OpenThreads_version[256];
+    static int OpenThreads_version_init = 1;
+    if (OpenThreads_version_init)
+    {
+        sprintf(OpenThreads_version,"%d.%d.%d",OPENTHREADS_MAJOR_VERSION,OPENTHREADS_MINOR_VERSION,OPENTHREADS_PATCH_VERSION);
+        OpenThreads_version_init = 0;
+    }
+    
+    return OpenThreads_version;
+}
+
+const char* OpenThreadsGetSOVersion()
+{
+    static char OpenThreads_soversion[32];
+    static int OpenThreads_soversion_init = 1;
+    if (OpenThreads_soversion_init)
+    {
+        sprintf(OpenThreads_soversion,"%d",OPENTHREADS_SOVERSION);
+        OpenThreads_soversion_init = 0;
+    }
+    
+    return OpenThreads_soversion;
+}
+
+const char* OpenThreadsGetLibraryName()
+{
+    return "OpenThreads Library";
+}
+
+}