The original type is const unsigned char *
--- a/xbmc/windowing/X11/WinSystemX11.cpp
+++ b/xbmc/windowing/X11/WinSystemX11.cpp
@@ -1038,7 +1038,7 @@ bool CWinSystemX11::HasWindowManager()
 
   if(status == Success && items_read)
   {
-    CLog::Log(LOGDEBUG,"Window Manager Name: %s", data);
+    CLog::Log(LOGDEBUG,"Window Manager Name: %s", (char *)data);
   }
   else
     CLog::Log(LOGDEBUG,"Window Manager Name: ");
--- a/xbmc/utils/GLUtils.cpp
+++ b/xbmc/utils/GLUtils.cpp
@@ -152,25 +152,25 @@ void LogGraphicsInfo()
 
   s = glGetString(GL_VENDOR);
   if (s)
-    CLog::Log(LOGINFO, "GL_VENDOR = %s", s);
+    CLog::Log(LOGINFO, "GL_VENDOR = %s", (char *)(s));
   else
     CLog::Log(LOGINFO, "GL_VENDOR = NULL");
 
   s = glGetString(GL_RENDERER);
   if (s)
-    CLog::Log(LOGINFO, "GL_RENDERER = %s", s);
+    CLog::Log(LOGINFO, "GL_RENDERER = %s", (char *)(s));
   else
     CLog::Log(LOGINFO, "GL_RENDERER = NULL");
 
   s = glGetString(GL_VERSION);
   if (s)
-    CLog::Log(LOGINFO, "GL_VERSION = %s", s);
+    CLog::Log(LOGINFO, "GL_VERSION = %s", (char *)(s));
   else
     CLog::Log(LOGINFO, "GL_VERSION = NULL");
 
   s = glGetString(GL_SHADING_LANGUAGE_VERSION);
   if (s)
-    CLog::Log(LOGINFO, "GL_SHADING_LANGUAGE_VERSION = %s", s);
+    CLog::Log(LOGINFO, "GL_SHADING_LANGUAGE_VERSION = %s", (char *)(s));
   else
     CLog::Log(LOGINFO, "GL_SHADING_LANGUAGE_VERSION = NULL");