Try to remove some warnings

Source/WXDialog/cmWXCommandLineInfo.cxx

@@ -87,7 +87,7 @@ int cmCommandLineInfo::GetBoolValue(const std::string& v) {
 // Parse param
 
 void cmCommandLineInfo::ParseParam(const std::string& parameter, 
-                                   bool know_about, bool last)
+                                   bool know_about, bool /*last*/)
 {
   if(!know_about)
     {

Source/WXDialog/cmWXMainFrame.cxx

@@ -500,7 +500,7 @@ void cmMainFrame::OnResize(wxSizeEvent& event)
   this->ResizeInternal();
 }
 
-void cmMainFrame::OnExitTimer(wxEvent& event)
+void cmMainFrame::OnExitTimer(wxEvent&)
 {
   this->Close();
   this->Refresh();
@@ -1045,9 +1045,6 @@ void cmMainFrame::UpdateCacheValuesDisplay()
 
   // Fix size
   int sx, sy;
-  int total = max * count + 4;
-  wxSize sizersize = this->m_CacheValuesSizer->GetSize();
-  
   this->m_CacheValuesScroll->GetClientSize(&sx, &sy);
   wxSize size2 = this->m_CacheValuesPanel->GetSize();
   sy = size2.GetHeight();

Source/WXDialog/wxCMakeSetup.cxx

@@ -87,8 +87,8 @@ public:
     {
       wxPanel *panel = new wxPanel(this, -1);
       panel->SetBackgroundColour(*wxRED);
-      wxTextCtrl * text = new wxTextCtrl(panel, -1, "Test", wxPoint(40, 5));
-      wxButton * bt = new wxButton(panel, -1, "Test", wxPoint(-1, 5));
+      new wxTextCtrl(panel, -1, "Test", wxPoint(40, 5));
+      new wxButton(panel, -1, "Test", wxPoint(-1, 5));
     }
 };
 

Source/cmSystemTools.cxx

@@ -16,7 +16,7 @@
 =========================================================================*/
 #include "cmSystemTools.h"   
 #include "errno.h"
-#include "stdio.h"
+#include <stdio.h>
 #include <sys/stat.h>
 #include "cmRegularExpression.h"
 #include <ctype.h>

Source/cmTryCompileCommand.cxx

@@ -206,13 +206,16 @@ bool cmTryCompileCommand::InitialPass(std::vector<std::string> const& argv)
   
   return true;
 }
-     
+
+static void cmTryCompileCommandNotUsed(bool){}
+
 void cmTryCompileCommand::CleanupFiles(const char* binDir, bool recursive)
 {
   if ( !binDir )
     {
     return;
     }
+  cmTryCompileCommandNotUsed(recursive);
 #ifdef WIN32
   if ( recursive )
     {