diff --git a/common/algebra.cpp b/common/algebra.cpp
index 1395b165..03bb836d 100644
--- a/common/algebra.cpp
+++ b/common/algebra.cpp
@@ -2,6 +2,7 @@
 // Math and Linear Algebra stuff.
 //
 
+#include "lc_global.h"
 #include <float.h>
 #include "defines.h"
 #include "algebra.h"
diff --git a/common/camera.cpp b/common/camera.cpp
index 35d6194e..79d344ca 100644
--- a/common/camera.cpp
+++ b/common/camera.cpp
@@ -1,5 +1,6 @@
 // Camera object.
 
+#include "lc_global.h"
 #include <stdlib.h>
 #include <string.h>
 #include <math.h>
diff --git a/common/console.cpp b/common/console.cpp
index 67a6113e..9df437b6 100644
--- a/common/console.cpp
+++ b/common/console.cpp
@@ -2,6 +2,7 @@
 // Debug Console
 //
 
+#include "lc_global.h"
 #include <stdarg.h>
 #include <stdio.h>
 #include "console.h"
diff --git a/common/curve.cpp b/common/curve.cpp
index c9646a44..efda5f66 100755
--- a/common/curve.cpp
+++ b/common/curve.cpp
@@ -1,6 +1,7 @@
 // Curve class, used to represent all flexible objects
 //
 
+#include "lc_global.h"
 #include <stdlib.h>
 #include <math.h>
 #include "globals.h"
diff --git a/common/debug.cpp b/common/debug.cpp
index f4127cd0..a9fdb40e 100644
--- a/common/debug.cpp
+++ b/common/debug.cpp
@@ -1,3 +1,4 @@
+#include "lc_global.h"
 #include "opengl.h"
 #include "debug.h"
 
diff --git a/common/file.cpp b/common/file.cpp
index 23825ca3..4ac6803f 100644
--- a/common/file.cpp
+++ b/common/file.cpp
@@ -2,6 +2,7 @@
 // Needed to work with the clipboard and undo/redo easily.
 // NOTE: Because of endianess issues, all I/O must be done from a File class.
 
+#include "lc_global.h"
 #include <stdio.h>
 #include <memory.h>
 #include <stdlib.h>
diff --git a/common/globals.cpp b/common/globals.cpp
index 8a186efa..5de0b466 100644
--- a/common/globals.cpp
+++ b/common/globals.cpp
@@ -2,6 +2,7 @@
 // Global variables common to all platforms.
 //
 
+#include "lc_global.h"
 #include <stdlib.h>
 #include "globals.h"
 
diff --git a/common/group.cpp b/common/group.cpp
index 89c6299a..46757d66 100644
--- a/common/group.cpp
+++ b/common/group.cpp
@@ -1,6 +1,7 @@
 // Piece group
 //
 
+#include "lc_global.h"
 #include <stdlib.h>
 #include "group.h"
 #include "file.h"
diff --git a/common/im_bmp.cpp b/common/im_bmp.cpp
index f850fa7d..a66c8361 100755
--- a/common/im_bmp.cpp
+++ b/common/im_bmp.cpp
@@ -1,3 +1,4 @@
+#include "lc_global.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include "config.h"
diff --git a/common/im_gif.cpp b/common/im_gif.cpp
index 16ef6169..16355a51 100644
--- a/common/im_gif.cpp
+++ b/common/im_gif.cpp
@@ -1,3 +1,4 @@
+#include "lc_global.h"
 #include <stdlib.h>
 #include <string.h>
 #include "image.h"
diff --git a/common/im_jpg.cpp b/common/im_jpg.cpp
index 9da64b6f..cb671296 100644
--- a/common/im_jpg.cpp
+++ b/common/im_jpg.cpp
@@ -1,3 +1,4 @@
+#include "lc_global.h"
 #include <setjmp.h>
 #include <stdlib.h>
 #include "config.h"
diff --git a/common/im_png.cpp b/common/im_png.cpp
index e6be0a89..0b003fa7 100755
--- a/common/im_png.cpp
+++ b/common/im_png.cpp
@@ -1,3 +1,4 @@
+#include "lc_global.h"
 #include <stdlib.h>
 #include "config.h"
 #include "image.h"
diff --git a/common/image.cpp b/common/image.cpp
index 1accf6f5..60cf4258 100644
--- a/common/image.cpp
+++ b/common/image.cpp
@@ -1,6 +1,7 @@
 // Image I/O routines
 //
 
+#include "lc_global.h"
 #include "opengl.h"
 #ifdef LC_WINDOWS
 #include <windows.h>
diff --git a/common/keyboard.cpp b/common/keyboard.cpp
index 0508d13f..fc816503 100644
--- a/common/keyboard.cpp
+++ b/common/keyboard.cpp
@@ -2,6 +2,7 @@
 // Code to handle user-defined keyboard shortcuts.
 //
 
+#include "lc_global.h"
 #include <stdio.h>
 #include "system.h"
 #include "keyboard.h"
diff --git a/common/lc_application.cpp b/common/lc_application.cpp
index ef57f5dd..7241f166 100644
--- a/common/lc_application.cpp
+++ b/common/lc_application.cpp
@@ -1,3 +1,4 @@
+#include "lc_global.h"
 #include <stdio.h>
 #include "lc_application.h"
 #include "library.h"
diff --git a/common/lc_global.h b/common/lc_global.h
new file mode 100644
index 00000000..cbf3a3c7
--- /dev/null
+++ b/common/lc_global.h
@@ -0,0 +1,17 @@
+#ifndef _LC_GLOBAL_H_
+#define _LC_GLOBAL_H_
+
+#include "config.h"
+#include "defines.h"
+
+// Check for supported platforms.
+#if !defined(LC_WINDOWS) && !defined(LC_LINUX)
+#error No OS defined.
+#endif
+
+// Precompiled headers.
+#if LC_WINDOWS
+#include "stdafx.h"
+#endif
+
+#endif // _LC_GLOBAL_H_
diff --git a/common/library.cpp b/common/library.cpp
index a0eeffc7..d674156c 100755
--- a/common/library.cpp
+++ b/common/library.cpp
@@ -2,6 +2,7 @@
 // Pieces library management
 //
 
+#include "lc_global.h"
 #include <stdlib.h>
 #include "library.h"
 #include "file.h"
diff --git a/common/light.cpp b/common/light.cpp
index 2e545a4c..f0ea2d70 100644
--- a/common/light.cpp
+++ b/common/light.cpp
@@ -1,5 +1,6 @@
 // Light object.
 
+#include "lc_global.h"
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
diff --git a/common/mainwnd.cpp b/common/mainwnd.cpp
index 9ba8c673..0931effe 100644
--- a/common/mainwnd.cpp
+++ b/common/mainwnd.cpp
@@ -2,6 +2,7 @@
 // Main LeoCAD window
 //
 
+#include "lc_global.h"
 #include <stdio.h>
 #include "mainwnd.h"
 #include "system.h"
diff --git a/common/matrix.cpp b/common/matrix.cpp
index 7b3d8980..78bd4f07 100644
--- a/common/matrix.cpp
+++ b/common/matrix.cpp
@@ -2,6 +2,7 @@
 // 4x4 Matrix class
 //
 
+#include "lc_global.h"
 #include <memory.h>
 #include <math.h>
 #include <string.h>
diff --git a/common/message.cpp b/common/message.cpp
index 02d6e5f2..3886918e 100644
--- a/common/message.cpp
+++ b/common/message.cpp
@@ -2,6 +2,7 @@
 // LeoCAD messaging system
 //
 
+#include "lc_global.h"
 #include "message.h"
 
 Messenger::Messenger ()
diff --git a/common/minifig.cpp b/common/minifig.cpp
index 205743b6..2c6845b4 100644
--- a/common/minifig.cpp
+++ b/common/minifig.cpp
@@ -2,6 +2,7 @@
 // Minifig Wizard base class, calculates position/rotation of all pieces.
 //
 
+#include "lc_global.h"
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
diff --git a/common/object.cpp b/common/object.cpp
index 0d8c0798..db1fd670 100755
--- a/common/object.cpp
+++ b/common/object.cpp
@@ -1,6 +1,7 @@
 // Base class for all drawable objects
 //
 
+#include "lc_global.h"
 #include <stdlib.h>
 #include <float.h>
 #include <math.h>
diff --git a/common/opengl.cpp b/common/opengl.cpp
index c008b2ff..cc8a8901 100755
--- a/common/opengl.cpp
+++ b/common/opengl.cpp
@@ -2,6 +2,7 @@
 // Routines to load the OpenGL libraries dynamically
 //
 
+#include "lc_global.h"
 #include <string.h>
 #include <stdio.h>
 #include "opengl.h"
diff --git a/common/piece.cpp b/common/piece.cpp
index 2073b2d3..396f006b 100644
--- a/common/piece.cpp
+++ b/common/piece.cpp
@@ -1,6 +1,7 @@
 // A piece object in the LeoCAD world.
 //
 
+#include "lc_global.h"
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
diff --git a/common/pieceinf.cpp b/common/pieceinf.cpp
index 10a7bbc0..6d4a09eb 100644
--- a/common/pieceinf.cpp
+++ b/common/pieceinf.cpp
@@ -1,6 +1,7 @@
 // Information about how to draw a piece and some more stuff.
 //
 
+#include "lc_global.h"
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
diff --git a/common/preview.cpp b/common/preview.cpp
index fb8f67c9..a6f45b32 100644
--- a/common/preview.cpp
+++ b/common/preview.cpp
@@ -2,6 +2,7 @@
 // Piece Preview window
 //
 
+#include "lc_global.h"
 #include "preview.h"
 #include "globals.h"
 #include "project.h"
diff --git a/common/project.cpp b/common/project.cpp
index 5d556bb6..896ee209 100644
--- a/common/project.cpp
+++ b/common/project.cpp
@@ -1,6 +1,7 @@
 // Everything that is a part of a LeoCAD project goes here.
 //
 
+#include "lc_global.h"
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
diff --git a/common/quant.cpp b/common/quant.cpp
index d2072a31..dc3f90c6 100644
--- a/common/quant.cpp
+++ b/common/quant.cpp
@@ -1,6 +1,7 @@
 ///////////////////////////////////////
 // DL1 Quantization
 
+#include "lc_global.h"
 #include <stdlib.h>
 #include <math.h>
 #include <memory.h>
diff --git a/common/str.cpp b/common/str.cpp
index c176f6ec..78313df0 100644
--- a/common/str.cpp
+++ b/common/str.cpp
@@ -2,6 +2,7 @@
 // General purpose string class
 //
 
+#include "lc_global.h"
 #include <ctype.h>
 #include "str.h"
 
diff --git a/common/terrain.cpp b/common/terrain.cpp
index 4e24a935..30d76995 100644
--- a/common/terrain.cpp
+++ b/common/terrain.cpp
@@ -1,6 +1,7 @@
 // Terrain: a Bezier surface.
 //
 
+#include "lc_global.h"
 #include <math.h>
 #include <stdlib.h>
 #include <time.h>
diff --git a/common/texfont.cpp b/common/texfont.cpp
index a5c3b5d1..5d432c41 100644
--- a/common/texfont.cpp
+++ b/common/texfont.cpp
@@ -2,6 +2,7 @@
 // Texture Font
 //
 
+#include "lc_global.h"
 #include "globals.h"
 #include "project.h"
 #include "texfont.h"
diff --git a/common/texture.cpp b/common/texture.cpp
index 8c92e679..e6df49c9 100644
--- a/common/texture.cpp
+++ b/common/texture.cpp
@@ -1,6 +1,7 @@
 // Texture object.
 //
 
+#include "lc_global.h"
 #include <string.h>
 #include <stdlib.h>
 #include "opengl.h"
diff --git a/common/tr.cpp b/common/tr.cpp
index 235e396c..1b48848b 100644
--- a/common/tr.cpp
+++ b/common/tr.cpp
@@ -2,6 +2,7 @@
 //
 //////////////////////////////////////////////////////////////////////
 
+#include "lc_global.h"
 #include <math.h>
 #include "opengl.h"
 #include "tr.h"
diff --git a/common/vector.cpp b/common/vector.cpp
index baf952ad..cf1801f9 100644
--- a/common/vector.cpp
+++ b/common/vector.cpp
@@ -1,3 +1,4 @@
+#include "lc_global.h"
 #include <math.h>
 #include "vector.h"
 #include "defines.h"
diff --git a/common/view.cpp b/common/view.cpp
index 85c77e4f..b576105f 100644
--- a/common/view.cpp
+++ b/common/view.cpp
@@ -2,6 +2,7 @@
 // View the project contents
 //
 
+#include "lc_global.h"
 #include <stdlib.h>
 #include "project.h"
 #include "view.h"
diff --git a/win/Caddoc.cpp b/win/Caddoc.cpp
index e43567ec..2a695f4c 100644
--- a/win/Caddoc.cpp
+++ b/win/Caddoc.cpp
@@ -1,7 +1,4 @@
-// CADDoc.cpp : implementation of the CCADDoc class
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "LeoCAD.h"
 #include "CADDoc.h"
 
diff --git a/win/Cadview.cpp b/win/Cadview.cpp
index 22024857..c9f981e9 100644
--- a/win/Cadview.cpp
+++ b/win/Cadview.cpp
@@ -1,7 +1,4 @@
-// CADView.cpp : implementation of the CCADView class
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "LeoCAD.h"
 #include <WindowsX.h>
 
diff --git a/win/Clrpick.cpp b/win/Clrpick.cpp
index e9103c41..873d139f 100644
--- a/win/Clrpick.cpp
+++ b/win/Clrpick.cpp
@@ -1,7 +1,4 @@
-// ColorPicker.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "ClrPopup.h"
 #include "ClrPick.h"
diff --git a/win/Clrpopup.cpp b/win/Clrpopup.cpp
index d89b06dd..9bb03a3c 100644
--- a/win/Clrpopup.cpp
+++ b/win/Clrpopup.cpp
@@ -1,7 +1,4 @@
-// ColorPopup.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include <math.h>
 #include "ClrPick.h"
 #include "ClrPopup.h"
diff --git a/win/Colorlst.cpp b/win/Colorlst.cpp
index 9e7ee03b..7861b2b5 100644
--- a/win/Colorlst.cpp
+++ b/win/Colorlst.cpp
@@ -1,7 +1,4 @@
-// ColorLst.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "ColorLst.h"
 #include "globals.h"
diff --git a/win/EdGrpDlg.cpp b/win/EdGrpDlg.cpp
index 8ab3b8f5..cf0f0681 100644
--- a/win/EdGrpDlg.cpp
+++ b/win/EdGrpDlg.cpp
@@ -1,7 +1,4 @@
-// EdGrpDlg.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "EdGrpDlg.h"
 #include "globals.h"
diff --git a/win/Figdlg.cpp b/win/Figdlg.cpp
index 037deda7..82151c47 100644
--- a/win/Figdlg.cpp
+++ b/win/Figdlg.cpp
@@ -1,7 +1,4 @@
-// FigDlg.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "LeoCAD.h"
 #include "FigDlg.h"
 #include "minifig.h"
diff --git a/win/Groupdlg.cpp b/win/Groupdlg.cpp
index 8c65c6b9..ce12fb00 100644
--- a/win/Groupdlg.cpp
+++ b/win/Groupdlg.cpp
@@ -1,7 +1,4 @@
-// GroupDlg.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "GroupDlg.h"
 
diff --git a/win/GrpTree.cpp b/win/GrpTree.cpp
index 362fa85e..a372ac19 100644
--- a/win/GrpTree.cpp
+++ b/win/GrpTree.cpp
@@ -1,7 +1,4 @@
-// GrpTree.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "GrpTree.h"
 #include "group.h"
diff --git a/win/Htmldlg.cpp b/win/Htmldlg.cpp
index 811647d5..f282eb88 100644
--- a/win/Htmldlg.cpp
+++ b/win/Htmldlg.cpp
@@ -1,7 +1,4 @@
-// HTMLDlg.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "HTMLDlg.h"
 #include "ImageDlg.h"
diff --git a/win/Imagedlg.cpp b/win/Imagedlg.cpp
index f2ca2b1d..599c8e63 100644
--- a/win/Imagedlg.cpp
+++ b/win/Imagedlg.cpp
@@ -1,7 +1,4 @@
-// ImageDlg.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "ImageDlg.h"
 
diff --git a/win/Leocad.cpp b/win/Leocad.cpp
index ada4e42b..a0b1aa19 100644
--- a/win/Leocad.cpp
+++ b/win/Leocad.cpp
@@ -1,7 +1,4 @@
-// LeoCAD.cpp : Defines the class behaviors for the application.
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "LeoCAD.h"
 
 #include "MainFrm.h"
diff --git a/win/Libdlg.cpp b/win/Libdlg.cpp
index d9473776..c09d6a2a 100644
--- a/win/Libdlg.cpp
+++ b/win/Libdlg.cpp
@@ -1,7 +1,4 @@
-// LibDlg.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "LibDlg.h"
 #include "GroupDlg.h"
diff --git a/win/Mainfrm.cpp b/win/Mainfrm.cpp
index 339d79af..4c731f83 100644
--- a/win/Mainfrm.cpp
+++ b/win/Mainfrm.cpp
@@ -1,9 +1,4 @@
-// MainFrm.cpp : implementation of the CMainFrame class
-//
-
-#include "stdafx.h"
-#include <afxrich.h>
-#include <afxpriv.h>
+#include "lc_global.h"
 #include "LeoCAD.h"
 #include "MainFrm.h"
 #include "Camera.h"
@@ -37,51 +32,6 @@ void mainframe_listener (int message, void *data, void *user)
   }
 }
 
-static void mainframe_console_func (LC_CONSOLE_LEVEL level, const char* text, void* user_data)
-{
-	CRichEditCtrl& ctrl = ((CRichEditView *) user_data)->GetRichEditCtrl ();
-	CHARFORMAT cf;
-
-	cf.cbSize = sizeof (cf);
-	cf.dwMask = CFM_COLOR;
-	cf.dwEffects = 0;
-
-	switch (level)
-	{
-	case LC_CONSOLE_ERROR:
-		cf.crTextColor = RGB (255, 0, 0);
-		break;
-
-	case LC_CONSOLE_WARNING:
-		cf.crTextColor = RGB (0, 0, 255);
-		break;
-
-	case LC_CONSOLE_DEBUG:
-		cf.crTextColor = RGB (0, 128, 0);
-		break;
-
-	case LC_CONSOLE_MISC:
-	default:
-		cf.crTextColor = RGB (0, 0, 0);
-		break;
-	}
-
-	ctrl.SetRedraw(FALSE);
-
-	// Go to the end of the window text.
-	int TextStart = ctrl.GetWindowTextLength();
-	ctrl.SetSel(TextStart, -1);
-
-	// Change color.
-	ctrl.SetSelectionCharFormat(cf);
-
-	// Append new text.
-	ctrl.ReplaceSel(text);
-
-	ctrl.SetRedraw(TRUE);
-	ctrl.InvalidateRect(NULL, FALSE);
-}
-
 /////////////////////////////////////////////////////////////////////////////
 // CMainFrame
 
diff --git a/win/Piecebar.cpp b/win/Piecebar.cpp
index c9df8291..ecb894eb 100644
--- a/win/Piecebar.cpp
+++ b/win/Piecebar.cpp
@@ -1,4 +1,4 @@
-#include "stdafx.h"
+#include "lc_global.h"
 #include "resource.h"
 #include "piecebar.h"
 #include "library.h"
diff --git a/win/Piececmb.cpp b/win/Piececmb.cpp
index f1f3e292..d4442372 100644
--- a/win/Piececmb.cpp
+++ b/win/Piececmb.cpp
@@ -1,7 +1,4 @@
-// PieceCmb.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "PieceCmb.h"
 #include "PieceBar.h"
diff --git a/win/Pieceprv.cpp b/win/Pieceprv.cpp
index 17205599..b4a6f9d5 100644
--- a/win/Pieceprv.cpp
+++ b/win/Pieceprv.cpp
@@ -1,7 +1,4 @@
-// PiecePrv.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "PiecePrv.h"
 #include "Tools.h"
diff --git a/win/Povdlg.cpp b/win/Povdlg.cpp
index e3c8a66b..e95cf2d5 100644
--- a/win/Povdlg.cpp
+++ b/win/Povdlg.cpp
@@ -1,7 +1,4 @@
-// POVDlg.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "POVDlg.h"
 #include "tools.h"
diff --git a/win/Prefpage.cpp b/win/Prefpage.cpp
index 9e4d2545..cb611cdb 100644
--- a/win/Prefpage.cpp
+++ b/win/Prefpage.cpp
@@ -1,7 +1,4 @@
-// PrefPage.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "resource.h"
 #include "PrefPage.h"
 #include "Tools.h"
diff --git a/win/Prefsht.cpp b/win/Prefsht.cpp
index 5caf8d13..0f028782 100644
--- a/win/Prefsht.cpp
+++ b/win/Prefsht.cpp
@@ -1,7 +1,4 @@
-// PrefSht.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "resource.h"
 #include "PrefSht.h"
 #include "defines.h"
diff --git a/win/Print.cpp b/win/Print.cpp
index 647ab78b..7a249c0d 100644
--- a/win/Print.cpp
+++ b/win/Print.cpp
@@ -1,9 +1,4 @@
-// Print catalog and pieces list
-//
-
-// TODO: rewrite everything
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include <WindowsX.h>
 #include "Print.h"
@@ -16,11 +11,13 @@
 #include "library.h"
 #include "lc_application.h"
 
+// TODO: rewrite everything
+
 static void PrintCatalogThread (CWnd* pParent, CFrameWndEx* pMainFrame)
 {
 	CCADView* pView = (CCADView*)pMainFrame->GetActiveView();
 	CPrintDialog* PD = new CPrintDialog(FALSE, PD_ALLPAGES|PD_USEDEVMODECOPIES|PD_NOSELECTION|PD_ENABLEPRINTHOOK, pParent);
-  PiecesLibrary *pLib = lcGetPiecesLibrary();
+	PiecesLibrary *pLib = lcGetPiecesLibrary();
 
 	int bricks = 0;
 	for (int j = 0; j < pLib->GetPieceCount (); j++)
diff --git a/win/Propspgs.cpp b/win/Propspgs.cpp
index 4bd242ed..d13bc1c1 100644
--- a/win/Propspgs.cpp
+++ b/win/Propspgs.cpp
@@ -1,7 +1,4 @@
-// PropsPgs.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "resource.h"
 #include "PropsPgs.h"
 #include "defines.h"
diff --git a/win/Seldlg.cpp b/win/Seldlg.cpp
index 9667c7a0..bd5c6e9b 100644
--- a/win/Seldlg.cpp
+++ b/win/Seldlg.cpp
@@ -1,7 +1,4 @@
-// SelDlg.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "SelDlg.h"
 
diff --git a/win/Stdafx.h b/win/Stdafx.h
index 9a3c85cb..d16ea699 100644
--- a/win/Stdafx.h
+++ b/win/Stdafx.h
@@ -15,6 +15,7 @@
 #define _WIN32_WINNT 0x500
 #define _CRT_SECURE_NO_WARNINGS
 #define _CRT_SECURE_NO_DEPRECATE 1
+#define _CRT_NONSTDC_NO_WARNINGS 1
 
 #define _ATL_CSTRING_EXPLICIT_CONSTRUCTORS      // some CString constructors will be explicit
 
diff --git a/win/Stepdlg.cpp b/win/Stepdlg.cpp
index b0dff780..d9b92615 100644
--- a/win/Stepdlg.cpp
+++ b/win/Stepdlg.cpp
@@ -1,7 +1,4 @@
-// StepDlg.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "StepDlg.h"
 
diff --git a/win/Steppop.cpp b/win/Steppop.cpp
index cd99cc3d..5606e698 100644
--- a/win/Steppop.cpp
+++ b/win/Steppop.cpp
@@ -1,7 +1,4 @@
-// StepPop.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "StepPop.h"
 #include "project.h"
diff --git a/win/System.cpp b/win/System.cpp
index 908027ac..39cdd30e 100644
--- a/win/System.cpp
+++ b/win/System.cpp
@@ -1,7 +1,4 @@
-// System user interface.
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include <dlgs.h>
 #include <direct.h>
 #include "leocad.h"
diff --git a/win/Teropdlg.cpp b/win/Teropdlg.cpp
index b11b846a..84af3cac 100644
--- a/win/Teropdlg.cpp
+++ b/win/Teropdlg.cpp
@@ -1,7 +1,4 @@
-// TerOpDlg.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "TerOpDlg.h"
 #include "Terrain.h"
diff --git a/win/Terrdlg.cpp b/win/Terrdlg.cpp
index 9bc50e4b..cec75c8d 100644
--- a/win/Terrdlg.cpp
+++ b/win/Terrdlg.cpp
@@ -1,7 +1,4 @@
-// TerrDlg.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "Terrain.h"
 #include "TerrWnd.h"
diff --git a/win/Terrwnd.cpp b/win/Terrwnd.cpp
index e6f1a7a9..3e8c80d2 100644
--- a/win/Terrwnd.cpp
+++ b/win/Terrwnd.cpp
@@ -1,7 +1,4 @@
-// TerrWnd.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "LeoCAD.h"
 #include "TerrWnd.h"
 #include "Terrain.h"
diff --git a/win/Tools.cpp b/win/Tools.cpp
index e8bc76c6..26b394c0 100644
--- a/win/Tools.cpp
+++ b/win/Tools.cpp
@@ -1,7 +1,4 @@
-// Tools.cpp : Misc. routines
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "Tools.h"
 #include "resource.h"
 #include "PrefSht.h"
diff --git a/win/aboutdlg.cpp b/win/aboutdlg.cpp
index b1684805..0a9c6629 100644
--- a/win/aboutdlg.cpp
+++ b/win/aboutdlg.cpp
@@ -1,7 +1,4 @@
-// AboutDlg.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "AboutDlg.h"
 #include "config.h"
diff --git a/win/arraydlg.cpp b/win/arraydlg.cpp
index 3d16bb55..f95ac6af 100644
--- a/win/arraydlg.cpp
+++ b/win/arraydlg.cpp
@@ -1,7 +1,4 @@
-// ArrayDlg.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "ArrayDlg.h"
 
diff --git a/win/basewnd.cpp b/win/basewnd.cpp
index 320e38a8..6cd7e6ad 100644
--- a/win/basewnd.cpp
+++ b/win/basewnd.cpp
@@ -1,8 +1,4 @@
-//
-// Base window class
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "basewnd.h"
 
 BaseWnd::BaseWnd (BaseWnd *parent, int menu_count)
diff --git a/win/cadbar.cpp b/win/cadbar.cpp
index d808c0b0..3a13f80a 100644
--- a/win/cadbar.cpp
+++ b/win/cadbar.cpp
@@ -1,8 +1,4 @@
-// CADBar.cpp: implementation of the CCADStatusBar class.
-//
-//////////////////////////////////////////////////////////////////////
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "CADBar.h"
 #include "StepPop.h"
diff --git a/win/categdlg.cpp b/win/categdlg.cpp
index cbee4315..fd832b11 100644
--- a/win/categdlg.cpp
+++ b/win/categdlg.cpp
@@ -1,7 +1,4 @@
-// categdlg.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "categdlg.h"
 
diff --git a/win/disabtab.cpp b/win/disabtab.cpp
index 69e5a74a..df72977f 100644
--- a/win/disabtab.cpp
+++ b/win/disabtab.cpp
@@ -5,7 +5,7 @@
 //
 // CTabCtrlWithDisable implements a CTabCtrl with tabs that you can disable.
 
-#include "StdAfx.h"
+#include "lc_global.h"
 #include "DisabTab.h"
 
 #ifdef _DEBUG
diff --git a/win/dynsplit.cpp b/win/dynsplit.cpp
index dda90537..ffc1ea80 100644
--- a/win/dynsplit.cpp
+++ b/win/dynsplit.cpp
@@ -3,7 +3,7 @@
 // to make it easier to dynamically split windows at run time.
 //
 
-#include "stdafx.h"
+#include "lc_global.h"
 #include "dynsplit.h"
 
 BOOL CDynamicSplitterWnd::AttachWindow(CWnd* Wnd, int Row, int Col)
diff --git a/win/glwindow.cpp b/win/glwindow.cpp
index f8a1e340..0c47d0b4 100644
--- a/win/glwindow.cpp
+++ b/win/glwindow.cpp
@@ -1,8 +1,4 @@
-//
-// OpenGL window
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "glwindow.h"
 #include "tools.h"
 
diff --git a/win/ipedit.cpp b/win/ipedit.cpp
index 6098a8a3..85085400 100644
--- a/win/ipedit.cpp
+++ b/win/ipedit.cpp
@@ -1,7 +1,4 @@
-// InPlaceEdit.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "IPEdit.h"
 #include "TerrCtrl.h"
 
diff --git a/win/keyedit.cpp b/win/keyedit.cpp
index e566496d..b1f0b73c 100644
--- a/win/keyedit.cpp
+++ b/win/keyedit.cpp
@@ -1,7 +1,4 @@
-// keyedit.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "keyedit.h"
 #include "keyboard.h"
diff --git a/win/leocad.vcxproj b/win/leocad.vcxproj
index d831e05d..b833055c 100644
--- a/win/leocad.vcxproj
+++ b/win/leocad.vcxproj
@@ -50,6 +50,7 @@
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_WINDOWS;_DEBUG;LC_WINDOWS;LC_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>../common;../win</AdditionalIncludeDirectories>
+      <PrecompiledHeaderFile>lc_global.h</PrecompiledHeaderFile>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -77,6 +78,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;LC_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>../common;../win</AdditionalIncludeDirectories>
+      <PrecompiledHeaderFile>lc_global.h</PrecompiledHeaderFile>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -144,6 +146,8 @@
     <ClCompile Include="Stdafx.cpp">
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">Create</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">Create</PrecompiledHeader>
+      <PrecompiledHeaderFile Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">lc_global.h</PrecompiledHeaderFile>
+      <PrecompiledHeaderFile Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">lc_global.h</PrecompiledHeaderFile>
     </ClCompile>
     <ClCompile Include="Stepdlg.cpp" />
     <ClCompile Include="Steppop.cpp" />
@@ -156,154 +160,47 @@
     <ClCompile Include="Tools.cpp" />
     <ClCompile Include="transdlg.cpp" />
     <ClCompile Include="win_gl.cpp" />
-    <ClCompile Include="..\common\algebra.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\Common\camera.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\common\console.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\common\curve.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\common\debug.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\Common\file.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\Common\globals.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\Common\group.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\common\im_bmp.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\common\im_gif.cpp">
-      <AdditionalIncludeDirectories Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">./jpeglib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <AdditionalIncludeDirectories Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">./jpeglib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
+    <ClCompile Include="..\common\algebra.cpp" />
+    <ClCompile Include="..\Common\camera.cpp" />
+    <ClCompile Include="..\common\console.cpp" />
+    <ClCompile Include="..\common\curve.cpp" />
+    <ClCompile Include="..\common\debug.cpp" />
+    <ClCompile Include="..\Common\file.cpp" />
+    <ClCompile Include="..\Common\globals.cpp" />
+    <ClCompile Include="..\Common\group.cpp" />
+    <ClCompile Include="..\common\im_bmp.cpp" />
+    <ClCompile Include="..\common\im_gif.cpp" />
     <ClCompile Include="..\common\im_jpg.cpp">
       <AdditionalIncludeDirectories Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">./jpeglib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <AdditionalIncludeDirectories Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">./jpeglib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
     </ClCompile>
     <ClCompile Include="..\common\im_png.cpp">
       <AdditionalIncludeDirectories Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">./libpng;./zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <AdditionalIncludeDirectories Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">./libpng;./zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\Common\image.cpp">
-      <AdditionalIncludeDirectories Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">./jpeglib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <AdditionalIncludeDirectories Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">./jpeglib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\common\keyboard.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\common\lc_application.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\common\library.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\Common\light.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\common\mainwnd.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\Common\matrix.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\common\message.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\common\minifig.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\common\object.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\common\opengl.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\Common\piece.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\Common\pieceinf.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\common\preview.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\Common\project.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\Common\quant.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\common\str.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\Common\terrain.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\common\texfont.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\Common\texture.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\Common\Tr.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\Common\vector.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="..\common\view.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
     </ClCompile>
+    <ClCompile Include="..\Common\image.cpp" />
+    <ClCompile Include="..\common\keyboard.cpp" />
+    <ClCompile Include="..\common\lc_application.cpp" />
+    <ClCompile Include="..\common\library.cpp" />
+    <ClCompile Include="..\Common\light.cpp" />
+    <ClCompile Include="..\common\mainwnd.cpp" />
+    <ClCompile Include="..\Common\matrix.cpp" />
+    <ClCompile Include="..\common\message.cpp" />
+    <ClCompile Include="..\common\minifig.cpp" />
+    <ClCompile Include="..\common\object.cpp" />
+    <ClCompile Include="..\common\opengl.cpp" />
+    <ClCompile Include="..\Common\piece.cpp" />
+    <ClCompile Include="..\Common\pieceinf.cpp" />
+    <ClCompile Include="..\common\preview.cpp" />
+    <ClCompile Include="..\Common\project.cpp" />
+    <ClCompile Include="..\Common\quant.cpp" />
+    <ClCompile Include="..\common\str.cpp" />
+    <ClCompile Include="..\Common\terrain.cpp" />
+    <ClCompile Include="..\common\texfont.cpp" />
+    <ClCompile Include="..\Common\texture.cpp" />
+    <ClCompile Include="..\Common\Tr.cpp" />
+    <ClCompile Include="..\Common\vector.cpp" />
+    <ClCompile Include="..\common\view.cpp" />
   </ItemGroup>
   <ItemGroup>
     <CustomBuild Include="hlp\LeoCAD.hpj">
@@ -414,6 +311,7 @@
     <ResourceCompile Include="LeoCAD.rc" />
   </ItemGroup>
   <ItemGroup>
+    <ClInclude Include="..\common\lc_global.h" />
     <ClInclude Include="AboutDlg.h" />
     <ClInclude Include="ArrayDlg.h" />
     <ClInclude Include="CADBar.h" />
diff --git a/win/leocad.vcxproj.filters b/win/leocad.vcxproj.filters
index 26e70208..49840b38 100644
--- a/win/leocad.vcxproj.filters
+++ b/win/leocad.vcxproj.filters
@@ -816,14 +816,17 @@
     <ClInclude Include="..\common\view.h">
       <Filter>Common Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="propertiespane.h">
-      <Filter>Source Files</Filter>
-    </ClInclude>
     <ClInclude Include="dynsplit.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="..\common\lc_global.h">
+      <Filter>Common Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="propertiespane.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
     <ClInclude Include="propertiesgridctrl.h">
-      <Filter>Source Files</Filter>
+      <Filter>Header Files</Filter>
     </ClInclude>
   </ItemGroup>
   <ItemGroup>
diff --git a/win/progdlg.cpp b/win/progdlg.cpp
index e0cc2851..098232fa 100644
--- a/win/progdlg.cpp
+++ b/win/progdlg.cpp
@@ -1,7 +1,4 @@
-// ProgDlg.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "ProgDlg.h"
 
diff --git a/win/propertiesgridctrl.cpp b/win/propertiesgridctrl.cpp
index 81a84dcd..2d6d09a9 100644
--- a/win/propertiesgridctrl.cpp
+++ b/win/propertiesgridctrl.cpp
@@ -1,4 +1,4 @@
-#include "stdafx.h"
+#include "lc_global.h"
 #include "propertiesgridctrl.h"
 #include "globals.h"
 
diff --git a/win/propertiespane.cpp b/win/propertiespane.cpp
index b6f4ae7c..2c248b7e 100644
--- a/win/propertiespane.cpp
+++ b/win/propertiespane.cpp
@@ -1,7 +1,4 @@
-// propertiespane.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "propertiespane.h"
 
 #include "project.h"
diff --git a/win/propssht.cpp b/win/propssht.cpp
index 8cbffedd..0df57e55 100644
--- a/win/propssht.cpp
+++ b/win/propssht.cpp
@@ -1,7 +1,4 @@
-// PropsSht.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "resource.h"
 #include "PropsSht.h"
 
diff --git a/win/splitter.cpp b/win/splitter.cpp
index 89244738..e59b3422 100644
--- a/win/splitter.cpp
+++ b/win/splitter.cpp
@@ -1,7 +1,4 @@
-// Splitter.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "resource.h"
 #include "Splitter.h"
 
diff --git a/win/stdafx.cpp b/win/stdafx.cpp
index b8b1ff4b..6b688edf 100644
--- a/win/stdafx.cpp
+++ b/win/stdafx.cpp
@@ -2,5 +2,4 @@
 //	LeoCAD.pch will be the pre-compiled header
 //	stdafx.obj will contain the pre-compiled type information
 
-#include "stdafx.h"
-
+#include "lc_global.h"
diff --git a/win/terrctrl.cpp b/win/terrctrl.cpp
index 9fcb8a36..c9c4dec0 100644
--- a/win/terrctrl.cpp
+++ b/win/terrctrl.cpp
@@ -1,7 +1,4 @@
-// TerrCtrl.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "LeoCAD.h"
 #include "TerrCtrl.h"
 #include "IPEdit.h"
diff --git a/win/texdlg.cpp b/win/texdlg.cpp
index 1bafd029..49fcc228 100644
--- a/win/texdlg.cpp
+++ b/win/texdlg.cpp
@@ -1,7 +1,4 @@
-// texdlg.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "texdlg.h"
 #include "library.h"
diff --git a/win/transdlg.cpp b/win/transdlg.cpp
index fb7cb189..dd85d746 100644
--- a/win/transdlg.cpp
+++ b/win/transdlg.cpp
@@ -1,7 +1,4 @@
-// transdlg.cpp : implementation file
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "leocad.h"
 #include "transdlg.h"
 
diff --git a/win/win_gl.cpp b/win/win_gl.cpp
index 58af6cd1..0ec3e75c 100755
--- a/win/win_gl.cpp
+++ b/win/win_gl.cpp
@@ -1,8 +1,4 @@
-//
-// Windows OpenGL functions
-//
-
-#include "stdafx.h"
+#include "lc_global.h"
 #include "opengl.h"
 
 static HMODULE gl_module;