diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0705f0507..5f2422994 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1069,25 +1069,25 @@ endif()
 
 add_library(libc4script
 src/C4Include.cpp
-src/c4group/C4GroupSet.cpp
-src/c4group/C4GroupSet.h
 src/c4group/C4ComponentHost.cpp
 src/c4group/C4ComponentHost.h
+src/c4group/C4GroupSet.cpp
+src/c4group/C4GroupSet.h
 src/c4group/C4LangStringTable.cpp
 src/c4group/C4LangStringTable.h
+src/lib/C4RandomRecord.cpp
 src/lib/C4Real.cpp
 src/lib/C4Real.h
-src/lib/C4RandomRecord.cpp
 src/script/C4Aul.cpp
-src/script/C4AulCompiler.h
+src/script/C4Aul.h
+src/script/C4AulAST.h
 src/script/C4AulCompiler.cpp
+src/script/C4AulCompiler.h
 src/script/C4AulDefFunc.h
 src/script/C4AulExec.cpp
 src/script/C4AulExec.h
 src/script/C4AulFunc.cpp
 src/script/C4AulFunc.h
-src/script/C4Aul.h
-src/script/C4AulAST.h
 src/script/C4AulLink.cpp
 src/script/C4AulParse.cpp
 src/script/C4AulParse.h
@@ -1102,15 +1102,17 @@ src/script/C4ScriptHost.cpp
 src/script/C4ScriptHost.h
 src/script/C4StringTable.cpp
 src/script/C4StringTable.h
-src/script/C4ValueArray.cpp
-src/script/C4ValueArray.h
 src/script/C4Value.cpp
 src/script/C4Value.h
+src/script/C4ValueArray.cpp
+src/script/C4ValueArray.h
 src/script/C4ValueMap.cpp
 src/script/C4ValueMap.h
 )
 
 target_link_libraries(libc4script libmisc)
+target_compile_definitions(libmisc PRIVATE "COMPILED_AS_C4LIBRARY")
+target_compile_definitions(libc4script PRIVATE "COMPILED_AS_C4LIBRARY")
 
 add_executable(c4script
 	include/c4script/c4script.h
@@ -1120,6 +1122,8 @@ add_executable(c4script
 )
 set_property(TARGET c4script PROPERTY FOLDER "Utilities")
 
+target_compile_definitions(c4script PRIVATE "USE_CONSOLE")
+
 target_link_libraries(c4script
 	libmisc
 	libc4script
diff --git a/src/C4ForbidLibraryCompilation.h b/src/C4ForbidLibraryCompilation.h
new file mode 100644
index 000000000..ae08fbb4b
--- /dev/null
+++ b/src/C4ForbidLibraryCompilation.h
@@ -0,0 +1,30 @@
+/*
+ * OpenClonk, http://www.openclonk.org
+ *
+ * Copyright (c) 2016, The OpenClonk Team and contributors
+ *
+ * Distributed under the terms of the ISC license; see accompanying file
+ * "COPYING" for details.
+ *
+ * "Clonk" is a registered trademark of Matthes Bender, used with permission.
+ * See accompanying file "TRADEMARK" for details.
+ *
+ * To redistribute this file separately, substitute the full license texts
+ * for the above references.
+ */
+
+/*
+ * This file serves as a quick way to check wither COMPILED_AS_C4LIBRARY is set, which is the case when compiling lib{misc,c4script}
+ * This file should be included when the USE_CONSOLE define is checked. In the past, we had some header files with classes like
+class Foo {
+#ifndef USE_CONSOLE
+	int bar;
+#endif
+	int blubb;
+}
+ * If such a header was included in the library, the class definition would look different for the library than for the openclonk-server, which could be potentially desasterous. (just think of accessing blubb, or destructors, or copying it by size, or…)
+*/
+
+#ifdef COMPILED_AS_C4LIBRARY // as (hopefully) defined in the CMakeLists.txt
+#error A file that is marked as not suitable for being included in lib{misc,c4script} (probably because it checks USE_CONSOLE) has been included in their compilation. Check your header dependencies.
+#endif
diff --git a/src/config/C4Config.cpp b/src/config/C4Config.cpp
index 2255574cd..2529c475a 100644
--- a/src/config/C4Config.cpp
+++ b/src/config/C4Config.cpp
@@ -17,6 +17,7 @@
 /* Game configuration as stored in registry */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "config/C4Config.h"
 
 #include "C4Version.h"
diff --git a/src/control/C4PlayerControl.cpp b/src/control/C4PlayerControl.cpp
index fa4860102..ed0a64d8b 100644
--- a/src/control/C4PlayerControl.cpp
+++ b/src/control/C4PlayerControl.cpp
@@ -16,6 +16,7 @@
 // Input to player control mapping
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "control/C4PlayerControl.h"
 
 #include "object/C4DefList.h"
diff --git a/src/editor/C4ConsoleQtViewport.cpp b/src/editor/C4ConsoleQtViewport.cpp
index c6c44ecb5..e78a17e99 100644
--- a/src/editor/C4ConsoleQtViewport.cpp
+++ b/src/editor/C4ConsoleQtViewport.cpp
@@ -17,6 +17,7 @@
 /* Player and editor viewports in console */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "script/C4Value.h"
 #include "game/C4Viewport.h"
 #include "object/C4Object.h"
diff --git a/src/game/C4Application.cpp b/src/game/C4Application.cpp
index 2647c5e98..49e5f48d2 100644
--- a/src/game/C4Application.cpp
+++ b/src/game/C4Application.cpp
@@ -18,6 +18,7 @@
 /* Main class to initialize configuration and execute the game */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "game/C4Application.h"
 
 #include "C4Version.h"
diff --git a/src/game/C4Game.cpp b/src/game/C4Game.cpp
index 75530f973..11ec9c332 100644
--- a/src/game/C4Game.cpp
+++ b/src/game/C4Game.cpp
@@ -18,6 +18,7 @@
 /* Main class to run the game */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "game/C4Game.h"
 
 #include "script/C4AulDebug.h"
diff --git a/src/game/C4GameScript.cpp b/src/game/C4GameScript.cpp
index b0d0cedeb..2196a837e 100644
--- a/src/game/C4GameScript.cpp
+++ b/src/game/C4GameScript.cpp
@@ -18,6 +18,7 @@
 /* Functions mapped by C4Script */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "game/C4GameScript.h"
 
 #include "game/C4Application.h"
diff --git a/src/game/C4GraphicsSystem.cpp b/src/game/C4GraphicsSystem.cpp
index 184405540..62e7132c2 100644
--- a/src/game/C4GraphicsSystem.cpp
+++ b/src/game/C4GraphicsSystem.cpp
@@ -18,6 +18,7 @@
 /* Operates viewports, message board and draws the game */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "game/C4GraphicsSystem.h"
 
 #include "game/C4Viewport.h"
diff --git a/src/game/C4Viewport.cpp b/src/game/C4Viewport.cpp
index 99f221924..49230af76 100644
--- a/src/game/C4Viewport.cpp
+++ b/src/game/C4Viewport.cpp
@@ -18,6 +18,7 @@
 /* A viewport to each player */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "game/C4Viewport.h"
 
 #include "editor/C4ViewportWindow.h"
diff --git a/src/graphics/C4Draw.cpp b/src/graphics/C4Draw.cpp
index a3b7ae6d1..f9ae18900 100644
--- a/src/graphics/C4Draw.cpp
+++ b/src/graphics/C4Draw.cpp
@@ -17,6 +17,7 @@
 
 /* NewGfx interfaces */
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "graphics/C4Draw.h"
 
 #include "platform/C4App.h"
diff --git a/src/graphics/C4DrawGL.cpp b/src/graphics/C4DrawGL.cpp
index c21d714fc..214c90e9e 100644
--- a/src/graphics/C4DrawGL.cpp
+++ b/src/graphics/C4DrawGL.cpp
@@ -17,6 +17,7 @@
 /* OpenGL implementation of NewGfx */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "graphics/C4DrawGL.h"
 
 #include "graphics/C4Surface.h"
diff --git a/src/graphics/C4DrawGL.h b/src/graphics/C4DrawGL.h
index 97b0f54a6..caa09e2a9 100644
--- a/src/graphics/C4DrawGL.h
+++ b/src/graphics/C4DrawGL.h
@@ -16,7 +16,7 @@
 
 /* OpenGL implementation of NewGfx */
 
-
+#include "C4ForbidLibraryCompilation.h"
 #if !defined(INC_StdGL) && !defined(USE_CONSOLE)
 #define INC_StdGL
 
diff --git a/src/graphics/C4DrawGLCtx.cpp b/src/graphics/C4DrawGLCtx.cpp
index 9b0c78639..87901029c 100644
--- a/src/graphics/C4DrawGLCtx.cpp
+++ b/src/graphics/C4DrawGLCtx.cpp
@@ -17,6 +17,7 @@
 /* OpenGL implementation of NewGfx, the context */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "graphics/C4DrawGL.h"
 
 #include "platform/C4Window.h"
diff --git a/src/graphics/C4DrawMeshGL.cpp b/src/graphics/C4DrawMeshGL.cpp
index ed72925f9..f0d2f6a73 100644
--- a/src/graphics/C4DrawMeshGL.cpp
+++ b/src/graphics/C4DrawMeshGL.cpp
@@ -17,6 +17,7 @@
 /* OpenGL implementation of Mesh Rendering */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "object/C4Object.h"
 #include "graphics/C4DrawGL.h"
 #include "landscape/fow/C4FoWRegion.h"
diff --git a/src/graphics/C4Facet.h b/src/graphics/C4Facet.h
index 8da003499..78ae4da46 100644
--- a/src/graphics/C4Facet.h
+++ b/src/graphics/C4Facet.h
@@ -158,4 +158,42 @@ public:
 	{ return iWidth * Hgt / (Wdt ? Wdt : 1); }
 };
 
+class C4TargetFacet: public C4Facet
+{
+public:
+	C4TargetFacet() { Default(); }
+	~C4TargetFacet() { }
+public:
+	float TargetX,TargetY,Zoom;
+
+	// Reference values for parallax computations. This is similar to
+	// a scrolling position. In most cases these are the same as TargetX
+	// and TargetY, however for full map screenshots, which are composed
+	// of several individual screenshots, these are kept fixed while
+	// TargetX/TargetY are varied to cover the full map. This prevents
+	// duplicate parallax objects in fullscreen map screenshots. If
+	// TargetX/TargetY are different from ParRefX/ParRefY it can be thought
+	// of as drawing only a part of a window/viewport at a given fixed
+	// scroll position.
+	// See bug #1042.
+	float ParRefX, ParRefY;
+public:
+	void Default() { TargetX=TargetY=0; Zoom=1; ParRefX=ParRefY=0; C4Facet::Default(); }
+	void Clear() { Surface=NULL; }
+
+	void Set(const C4Facet &cpy) { TargetX=TargetY=0; Zoom=1; ParRefX=ParRefY=0; C4Facet::Set(cpy); }
+	void Set(const C4TargetFacet &cpy) { *this = cpy; }
+	void Set(class C4Surface *nsfc, float nx, float ny, float nwdt, float nhgt, float ntx=0, float nty=0, float Zoom=1);
+	void Set(class C4Surface *nsfc, const C4Rect & r, float ntx=0, float nty=0, float Zoom=1);
+	void Set(class C4Surface *nsfc, float nx, float ny, float nwdt, float nhgt, float ntx, float nty, float Zoom, float prx, float pry);
+
+public:
+	C4TargetFacet &operator = (const C4Facet& rhs)
+	{
+		Set(rhs.Surface,rhs.X,rhs.Y,rhs.Wdt,rhs.Hgt);
+		return *this;
+	}
+	void SetRect(C4TargetRect &rSrc);
+};
+
 #endif // INC_C4Facet
diff --git a/src/graphics/C4FacetEx.h b/src/graphics/C4FacetEx.h
index 521e94910..afea4e2e0 100644
--- a/src/graphics/C4FacetEx.h
+++ b/src/graphics/C4FacetEx.h
@@ -27,44 +27,6 @@ const int C4FCT_Full   = -1,
           C4FCT_Height = -2,
           C4FCT_Width  = -3;
 
-class C4TargetFacet: public C4Facet
-{
-public:
-	C4TargetFacet() { Default(); }
-	~C4TargetFacet() { }
-public:
-	float TargetX,TargetY,Zoom;
-
-	// Reference values for parallax computations. This is similar to
-	// a scrolling position. In most cases these are the same as TargetX
-	// and TargetY, however for full map screenshots, which are composed
-	// of several individual screenshots, these are kept fixed while
-	// TargetX/TargetY are varied to cover the full map. This prevents
-	// duplicate parallax objects in fullscreen map screenshots. If
-	// TargetX/TargetY are different from ParRefX/ParRefY it can be thought
-	// of as drawing only a part of a window/viewport at a given fixed
-	// scroll position.
-	// See bug #1042.
-	float ParRefX, ParRefY;
-public:
-	void Default() { TargetX=TargetY=0; Zoom=1; ParRefX=ParRefY=0; C4Facet::Default(); }
-	void Clear() { Surface=NULL; }
-
-	void Set(const C4Facet &cpy) { TargetX=TargetY=0; Zoom=1; ParRefX=ParRefY=0; C4Facet::Set(cpy); }
-	void Set(const C4TargetFacet &cpy) { *this = cpy; }
-	void Set(class C4Surface *nsfc, float nx, float ny, float nwdt, float nhgt, float ntx=0, float nty=0, float Zoom=1);
-	void Set(class C4Surface *nsfc, const C4Rect & r, float ntx=0, float nty=0, float Zoom=1);
-	void Set(class C4Surface *nsfc, float nx, float ny, float nwdt, float nhgt, float ntx, float nty, float Zoom, float prx, float pry);
-
-public:
-	C4TargetFacet &operator = (const C4Facet& rhs)
-	{
-		Set(rhs.Surface,rhs.X,rhs.Y,rhs.Wdt,rhs.Hgt);
-		return *this;
-	}
-	void SetRect(C4TargetRect &rSrc);
-};
-
 // facet that can hold its own surface
 class C4FacetSurface : public C4Facet
 {
diff --git a/src/graphics/C4FontLoader.cpp b/src/graphics/C4FontLoader.cpp
index 46612de33..5ccd90be1 100644
--- a/src/graphics/C4FontLoader.cpp
+++ b/src/graphics/C4FontLoader.cpp
@@ -17,6 +17,7 @@
 // text drawing facility for C4Draw
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "graphics/C4FontLoader.h"
 
 #ifndef USE_CONSOLE
diff --git a/src/graphics/C4FontLoader.h b/src/graphics/C4FontLoader.h
index 8aa01c031..a9739a326 100644
--- a/src/graphics/C4FontLoader.h
+++ b/src/graphics/C4FontLoader.h
@@ -18,9 +18,11 @@
 #ifndef INC_STDFONT
 #define INC_STDFONT
 
+#include "C4ForbidLibraryCompilation.h"
 #include "lib/C4Markup.h"
 #include "graphics/C4Facet.h"
 #include "graphics/C4Surface.h"
+#include "graphics/C4FontLoaderCustomImages.h"
 #include "lib/StdBuf.h"
 #include <stdio.h>
 #include <map>
@@ -80,18 +82,7 @@ extern C4FontLoader FontLoader;
 class CStdFont
 {
 public:
-	// callback class to allow custom images
-	class CustomImages
-	{
-	protected:
-		virtual bool DrawFontImage(const char* szImageTag, C4Facet& cgo, C4DrawTransform* transform) = 0;
-		virtual float GetFontImageAspect(const char* szImageTag) = 0;
-
-		friend class CStdFont;
-	public:
-		virtual ~CustomImages() { }
-	};
-
+	typedef CStdFontCustomImages CustomImages;
 	int id;                // used by the engine to keep track of where the font came from
 
 protected:
diff --git a/src/graphics/C4FontLoaderCustomImages.h b/src/graphics/C4FontLoaderCustomImages.h
new file mode 100644
index 000000000..a8a50e203
--- /dev/null
+++ b/src/graphics/C4FontLoaderCustomImages.h
@@ -0,0 +1,32 @@
+/*
+ * OpenClonk, http://www.openclonk.org
+ *
+ * Copyright (c) 2003-2009, RedWolf Design GmbH, http://www.clonk.de/
+ * Copyright (c) 2010-2016, The OpenClonk Team and contributors
+ *
+ * Distributed under the terms of the ISC license; see accompanying file
+ * "COPYING" for details.
+ *
+ * "Clonk" is a registered trademark of Matthes Bender, used with permission.
+ * See accompanying file "TRADEMARK" for details.
+ *
+ * To redistribute this file separately, substitute the full license texts
+ * for the above references.
+ */
+
+#ifndef C4FontLoaderCustomImages_H
+#define C4FontLoaderCustomImages_H
+
+// callback class for CStdFont to allow custom images
+class CStdFontCustomImages
+{
+protected:
+	virtual bool DrawFontImage(const char* szImageTag, C4Facet& cgo, C4DrawTransform* transform) = 0;
+	virtual float GetFontImageAspect(const char* szImageTag) = 0;
+
+	friend class CStdFont;
+public:
+	virtual ~CStdFontCustomImages() { }
+};
+
+#endif
diff --git a/src/graphics/C4GraphicsResource.cpp b/src/graphics/C4GraphicsResource.cpp
index 419b157c9..37fc52aed 100644
--- a/src/graphics/C4GraphicsResource.cpp
+++ b/src/graphics/C4GraphicsResource.cpp
@@ -18,6 +18,7 @@
 /* Loads all standard graphics from Graphics.ocg */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "graphics/C4GraphicsResource.h"
 
 #include "object/C4DefList.h"
diff --git a/src/graphics/C4Shader.cpp b/src/graphics/C4Shader.cpp
index 157e3605f..95a101465 100644
--- a/src/graphics/C4Shader.cpp
+++ b/src/graphics/C4Shader.cpp
@@ -14,6 +14,7 @@
  */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "graphics/C4Shader.h"
 #include "game/C4Application.h"
 #include "graphics/C4DrawGL.h"
diff --git a/src/graphics/C4Shader.h b/src/graphics/C4Shader.h
index 75d3ac3da..10222150d 100644
--- a/src/graphics/C4Shader.h
+++ b/src/graphics/C4Shader.h
@@ -18,6 +18,7 @@
 #ifndef INC_C4Shader
 #define INC_C4Shader
 
+#include "C4ForbidLibraryCompilation.h"
 #include "lib/StdBuf.h"
 #include "lib/StdMeshMath.h"
 #include "graphics/C4Surface.h"
diff --git a/src/graphics/C4Surface.cpp b/src/graphics/C4Surface.cpp
index cf5c63040..7a9fab1a9 100644
--- a/src/graphics/C4Surface.cpp
+++ b/src/graphics/C4Surface.cpp
@@ -17,6 +17,7 @@
 // a wrapper class to DirectDraw surfaces
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "graphics/C4Surface.h"
 
 #include "platform/StdFile.h"
diff --git a/src/graphics/C4Surface.h b/src/graphics/C4Surface.h
index 53380b53e..fdfd16ad4 100644
--- a/src/graphics/C4Surface.h
+++ b/src/graphics/C4Surface.h
@@ -18,6 +18,7 @@
 #ifndef INC_StdSurface2
 #define INC_StdSurface2
 
+#include "C4ForbidLibraryCompilation.h"
 #include "lib/C4Rect.h"
 
 #include <list>
diff --git a/src/graphics/C4SurfaceLoaders.cpp b/src/graphics/C4SurfaceLoaders.cpp
index 04688ab88..ff134b202 100644
--- a/src/graphics/C4SurfaceLoaders.cpp
+++ b/src/graphics/C4SurfaceLoaders.cpp
@@ -18,6 +18,7 @@
 /* Extension to C4Surface that handles bitmaps in C4Group files */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "graphics/C4Surface.h"
 
 #include "c4group/C4GroupSet.h"
diff --git a/src/gui/C4GuiDialogs.cpp b/src/gui/C4GuiDialogs.cpp
index 232948952..d372ce4da 100644
--- a/src/gui/C4GuiDialogs.cpp
+++ b/src/gui/C4GuiDialogs.cpp
@@ -18,6 +18,7 @@
 // dialog base classes and some user dialogs
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "gui/C4Gui.h"
 
 #include "object/C4DefList.h"
diff --git a/src/gui/C4Startup.cpp b/src/gui/C4Startup.cpp
index 4e05843bb..71eb15aec 100644
--- a/src/gui/C4Startup.cpp
+++ b/src/gui/C4Startup.cpp
@@ -16,6 +16,7 @@
 // Startup screen for non-parameterized engine start
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "gui/C4Startup.h"
 
 #include "graphics/C4FontLoader.h"
diff --git a/src/gui/C4StartupOptionsDlg.cpp b/src/gui/C4StartupOptionsDlg.cpp
index f3a857941..104806907 100644
--- a/src/gui/C4StartupOptionsDlg.cpp
+++ b/src/gui/C4StartupOptionsDlg.cpp
@@ -16,6 +16,7 @@
 // Startup screen for non-parameterized engine start: Options dialog
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "gui/C4StartupOptionsDlg.h"
 
 #include "game/C4Application.h"
diff --git a/src/landscape/C4Landscape.cpp b/src/landscape/C4Landscape.cpp
index 976da153b..afc7b4a57 100644
--- a/src/landscape/C4Landscape.cpp
+++ b/src/landscape/C4Landscape.cpp
@@ -18,6 +18,7 @@
  /* Handles landscape and sky */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "landscape/C4Landscape.h"
 
 #include <array>
diff --git a/src/landscape/C4LandscapeRender.cpp b/src/landscape/C4LandscapeRender.cpp
index 3176a9307..3807f1ff3 100644
--- a/src/landscape/C4LandscapeRender.cpp
+++ b/src/landscape/C4LandscapeRender.cpp
@@ -14,6 +14,7 @@
  */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "landscape/C4LandscapeRender.h"
 
 #include "landscape/C4Landscape.h"
diff --git a/src/landscape/C4LandscapeRender.h b/src/landscape/C4LandscapeRender.h
index 0363899b2..bc8d929f0 100644
--- a/src/landscape/C4LandscapeRender.h
+++ b/src/landscape/C4LandscapeRender.h
@@ -17,6 +17,7 @@
 #ifndef C4LANDSCAPE_RENDER_H
 #define C4LANDSCAPE_RENDER_H
 
+#include "C4ForbidLibraryCompilation.h"
 #include "graphics/C4Surface.h"
 #include "graphics/C4FacetEx.h"
 #include "graphics/C4Shader.h"
diff --git a/src/landscape/C4Particles.cpp b/src/landscape/C4Particles.cpp
index 05e703468..40c3c3c4d 100644
--- a/src/landscape/C4Particles.cpp
+++ b/src/landscape/C4Particles.cpp
@@ -14,6 +14,7 @@
  */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "landscape/C4Particles.h"
 
 // headers for particle loading
diff --git a/src/landscape/C4Particles.h b/src/landscape/C4Particles.h
index 1664f22f2..fc366f1a4 100644
--- a/src/landscape/C4Particles.h
+++ b/src/landscape/C4Particles.h
@@ -13,6 +13,7 @@
  * for the above references.
  */
 
+#include "C4ForbidLibraryCompilation.h"
 #include "graphics/C4FacetEx.h"
 #include "lib/C4Random.h"
 
diff --git a/src/landscape/fow/C4FoW.cpp b/src/landscape/fow/C4FoW.cpp
index 27a7476af..dede85650 100644
--- a/src/landscape/fow/C4FoW.cpp
+++ b/src/landscape/fow/C4FoW.cpp
@@ -14,6 +14,7 @@
  */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "landscape/fow/C4FoW.h"
 #include "graphics/C4Draw.h"
 
diff --git a/src/landscape/fow/C4FoW.h b/src/landscape/fow/C4FoW.h
index 92d6b8928..9e874d189 100644
--- a/src/landscape/fow/C4FoW.h
+++ b/src/landscape/fow/C4FoW.h
@@ -16,6 +16,7 @@
 #ifndef C4FOW_H
 #define C4FOW_H
 
+#include "C4ForbidLibraryCompilation.h"
 #include "graphics/C4Surface.h"
 #include "graphics/C4FacetEx.h"
 #include "lib/C4Rect.h"
diff --git a/src/landscape/fow/C4FoWAmbient.cpp b/src/landscape/fow/C4FoWAmbient.cpp
index c527e45e0..b9b5ccd1a 100644
--- a/src/landscape/fow/C4FoWAmbient.cpp
+++ b/src/landscape/fow/C4FoWAmbient.cpp
@@ -14,6 +14,7 @@
  */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "landscape/fow/C4FoWAmbient.h"
 #include "landscape/fow/C4FoW.h"
 #include "graphics/C4Draw.h"
diff --git a/src/landscape/fow/C4FoWAmbient.h b/src/landscape/fow/C4FoWAmbient.h
index 2e084f9f6..05968f1aa 100644
--- a/src/landscape/fow/C4FoWAmbient.h
+++ b/src/landscape/fow/C4FoWAmbient.h
@@ -16,6 +16,8 @@
 #ifndef C4FOWAMBIENT_H
 #define C4FOWAMBIENT_H
 
+#include "C4ForbidLibraryCompilation.h"
+
 #include "landscape/C4Landscape.h"
 #ifndef USE_CONSOLE
 #include <GL/glew.h>
diff --git a/src/landscape/fow/C4FoWBeam.cpp b/src/landscape/fow/C4FoWBeam.cpp
index 49d76d248..2d9dfc427 100644
--- a/src/landscape/fow/C4FoWBeam.cpp
+++ b/src/landscape/fow/C4FoWBeam.cpp
@@ -14,6 +14,7 @@
  */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 
 #ifndef USE_CONSOLE
 #include "landscape/fow/C4FoWBeam.h"
diff --git a/src/landscape/fow/C4FoWBeam.h b/src/landscape/fow/C4FoWBeam.h
index 2d7e4daf5..3fdcf75cb 100644
--- a/src/landscape/fow/C4FoWBeam.h
+++ b/src/landscape/fow/C4FoWBeam.h
@@ -16,6 +16,8 @@
 #ifndef C4FOWBEAM_H
 #define C4FOWBEAM_H
 
+#include "C4ForbidLibraryCompilation.h"
+
 #ifndef USE_CONSOLE
 #include "lib/StdBuf.h"
 
diff --git a/src/landscape/fow/C4FoWDrawStrategy.cpp b/src/landscape/fow/C4FoWDrawStrategy.cpp
index 99ebd495e..363459692 100644
--- a/src/landscape/fow/C4FoWDrawStrategy.cpp
+++ b/src/landscape/fow/C4FoWDrawStrategy.cpp
@@ -14,6 +14,7 @@
  */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 
 #ifndef USE_CONSOLE
 
diff --git a/src/landscape/fow/C4FoWDrawStrategy.h b/src/landscape/fow/C4FoWDrawStrategy.h
index 7a4048e41..1830839d8 100644
--- a/src/landscape/fow/C4FoWDrawStrategy.h
+++ b/src/landscape/fow/C4FoWDrawStrategy.h
@@ -16,6 +16,8 @@
 #ifndef C4FOWDRAWSTRATEGY_H
 #define C4FOWDRAWSTRATEGY_H
 
+#include "C4ForbidLibraryCompilation.h"
+
 #ifndef USE_CONSOLE
 
 #include "graphics/C4DrawGL.h"
diff --git a/src/landscape/fow/C4FoWLight.cpp b/src/landscape/fow/C4FoWLight.cpp
index 892440532..3ff51a65e 100644
--- a/src/landscape/fow/C4FoWLight.cpp
+++ b/src/landscape/fow/C4FoWLight.cpp
@@ -14,6 +14,7 @@
  */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 
 #ifndef USE_CONSOLE
 
diff --git a/src/landscape/fow/C4FoWLight.h b/src/landscape/fow/C4FoWLight.h
index 9f03d9165..eb633b58b 100644
--- a/src/landscape/fow/C4FoWLight.h
+++ b/src/landscape/fow/C4FoWLight.h
@@ -15,6 +15,8 @@
 #ifndef C4FOWLIGHT_H
 #define C4FOWLIGHT_H
 
+#include "C4ForbidLibraryCompilation.h"
+
 #ifndef USE_CONSOLE
 
 #include "object/C4Object.h"
diff --git a/src/landscape/fow/C4FoWLightSection.cpp b/src/landscape/fow/C4FoWLightSection.cpp
index cca34c078..db28d591c 100644
--- a/src/landscape/fow/C4FoWLightSection.cpp
+++ b/src/landscape/fow/C4FoWLightSection.cpp
@@ -14,6 +14,7 @@
  */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 
 #ifndef USE_CONSOLE
 
diff --git a/src/landscape/fow/C4FoWLightSection.h b/src/landscape/fow/C4FoWLightSection.h
index 54700f8b6..c59c5b018 100644
--- a/src/landscape/fow/C4FoWLightSection.h
+++ b/src/landscape/fow/C4FoWLightSection.h
@@ -16,6 +16,8 @@
 #ifndef C4FOWLIGHTSECTION_H
 #define C4FOWLIGHTSECTION_H
 
+#include "C4ForbidLibraryCompilation.h"
+
 #ifndef USE_CONSOLE
 
 #include "lib/C4Rect.h"
diff --git a/src/landscape/fow/C4FoWRegion.cpp b/src/landscape/fow/C4FoWRegion.cpp
index 15d515522..9454aee2c 100644
--- a/src/landscape/fow/C4FoWRegion.cpp
+++ b/src/landscape/fow/C4FoWRegion.cpp
@@ -14,6 +14,7 @@
  */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "landscape/fow/C4FoWRegion.h"
 #include "graphics/C4DrawGL.h"
 
diff --git a/src/landscape/fow/C4FoWRegion.h b/src/landscape/fow/C4FoWRegion.h
index a4c8024ce..fc446b96a 100644
--- a/src/landscape/fow/C4FoWRegion.h
+++ b/src/landscape/fow/C4FoWRegion.h
@@ -16,6 +16,7 @@
 #ifndef C4FOWREGION_H
 #define C4FOWREGION_H
 
+#include "C4ForbidLibraryCompilation.h"
 #include "lib/C4Rect.h"
 #include "graphics/C4FacetEx.h"
 #include "player/C4Player.h"
diff --git a/src/lib/StdMesh.cpp b/src/lib/StdMesh.cpp
index f0d50c534..8f4734d72 100644
--- a/src/lib/StdMesh.cpp
+++ b/src/lib/StdMesh.cpp
@@ -15,6 +15,7 @@
  */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "graphics/C4DrawGL.h"
 #include "lib/StdMesh.h"
 #include <algorithm>
diff --git a/src/lib/StdMesh.h b/src/lib/StdMesh.h
index 4774c0fa9..f999e7e58 100644
--- a/src/lib/StdMesh.h
+++ b/src/lib/StdMesh.h
@@ -17,6 +17,7 @@
 #ifndef INC_StdMesh
 #define INC_StdMesh
 
+#include "C4ForbidLibraryCompilation.h"
 #include "lib/StdMeshMath.h"
 #include "lib/StdMeshMaterial.h"
 
diff --git a/src/lib/StdMeshMaterial.cpp b/src/lib/StdMeshMaterial.cpp
index 3cfcef80c..471eac309 100644
--- a/src/lib/StdMeshMaterial.cpp
+++ b/src/lib/StdMeshMaterial.cpp
@@ -15,6 +15,7 @@
  */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "lib/StdMeshMaterial.h"
 #include "lib/StdMeshUpdate.h"
 #include "graphics/C4DrawGL.h"
diff --git a/src/network/C4Network2.cpp b/src/network/C4Network2.cpp
index 5222ba62d..d8b3661b4 100644
--- a/src/network/C4Network2.cpp
+++ b/src/network/C4Network2.cpp
@@ -15,6 +15,7 @@
  */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "network/C4Network2.h"
 
 #include "C4Version.h"
diff --git a/src/object/C4Def.cpp b/src/object/C4Def.cpp
index 17299d134..fbac5aeef 100644
--- a/src/object/C4Def.cpp
+++ b/src/object/C4Def.cpp
@@ -18,6 +18,7 @@
 /* Object definition */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "object/C4Def.h"
 #include "graphics/C4DrawGL.h"
 #include "graphics/C4GraphicsResource.h"
diff --git a/src/object/C4DefGraphics.cpp b/src/object/C4DefGraphics.cpp
index 77c6af83b..e1b3dd99a 100644
--- a/src/object/C4DefGraphics.cpp
+++ b/src/object/C4DefGraphics.cpp
@@ -36,6 +36,7 @@
 #include "player/C4RankSystem.h"
 #include "graphics/C4GraphicsResource.h"
 #include "graphics/C4Draw.h"
+#include "graphics/C4Surface.h"
 #include "object/C4MeshAnimation.h"
 #include "lib/StdMeshLoader.h"
 #include "lib/StdMeshUpdate.h"
@@ -927,7 +928,7 @@ void C4GraphicsOverlay::Draw(C4TargetFacet &cgo, C4Object *pForObj, int32_t iByP
 	else if (OverlayObj)
 	{
 		assert(pForObj);
-		// TODO: Shouldn't have called PrepareDrawing/set ClrModulation here, since 
+		// TODO: Shouldn't have called PrepareDrawing/set ClrModulation here, since
 		// OverlayObj drawing will do it on its own.
 		if (eMode == MODE_ObjectPicture)
 		{
@@ -1185,3 +1186,16 @@ void C4GraphicsOverlayListAdapt::CompileFunc(StdCompiler *pComp)
 		}
 	}
 }
+
+C4Surface *C4DefGraphics::GetBitmap(DWORD dwClr)
+{
+	if (Type != TYPE_Bitmap)
+		return NULL;
+	if (Bmp.BitmapClr)
+	{
+		Bmp.BitmapClr->SetClr(dwClr);
+		return Bmp.BitmapClr;
+	}
+	else
+		return Bmp.Bitmap;
+}
diff --git a/src/object/C4DefGraphics.h b/src/object/C4DefGraphics.h
index c56088bcd..bf622c2d7 100644
--- a/src/object/C4DefGraphics.h
+++ b/src/object/C4DefGraphics.h
@@ -18,8 +18,7 @@
 #ifndef INC_C4DefGraphics
 #define INC_C4DefGraphics
 
-#include "graphics/C4FacetEx.h"
-#include "graphics/C4Surface.h"
+#include "graphics/C4Facet.h"
 #include "object/C4ObjectPtr.h"
 #include "lib/C4InputValidation.h"
 #include "lib/StdMeshUpdate.h"
@@ -59,7 +58,7 @@ public:
 
 	bool fColorBitmapAutoCreated;  // if set, the color-by-owner-bitmap has been created automatically by all blue shades of the bitmap
 
-	inline C4Surface *GetBitmap(DWORD dwClr=0) { if (Type != TYPE_Bitmap) return NULL; if (Bmp.BitmapClr) { Bmp.BitmapClr->SetClr(dwClr); return Bmp.BitmapClr; } else return Bmp.Bitmap; }
+	C4Surface *GetBitmap(DWORD dwClr=0); 
 
 	C4DefGraphics(C4Def *pOwnDef=NULL);  // ctor
 	virtual ~C4DefGraphics() { Clear(); }; // dtor
diff --git a/src/object/C4DefList.h b/src/object/C4DefList.h
index 5d0730c0b..b870d4ef5 100644
--- a/src/object/C4DefList.h
+++ b/src/object/C4DefList.h
@@ -20,9 +20,9 @@
 #ifndef INC_C4DefList
 #define INC_C4DefList
 
-#include "graphics/C4FontLoader.h"
+#include "graphics/C4FontLoaderCustomImages.h"
 
-class C4DefList: public CStdFont::CustomImages
+class C4DefList: public CStdFontCustomImages
 {
 public:
 	C4DefList();
diff --git a/src/object/C4InfoCore.cpp b/src/object/C4InfoCore.cpp
index be939efe2..3af7be8e0 100644
--- a/src/object/C4InfoCore.cpp
+++ b/src/object/C4InfoCore.cpp
@@ -23,6 +23,7 @@
 #include "object/C4Def.h"
 #include "object/C4DefList.h"
 #include "lib/C4Random.h"
+#include "lib/C4Markup.h"
 #include "player/C4RankSystem.h"
 #include "c4group/C4Group.h"
 #include "c4group/C4Components.h"
diff --git a/src/object/C4Object.cpp b/src/object/C4Object.cpp
index ec04c9728..5dbb5f600 100644
--- a/src/object/C4Object.cpp
+++ b/src/object/C4Object.cpp
@@ -18,6 +18,7 @@
 /* That which fills the world with life */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "object/C4Object.h"
 
 #include "script/C4AulExec.h"
diff --git a/src/object/C4ObjectScript.cpp b/src/object/C4ObjectScript.cpp
index 9af4ebd80..f338418cf 100644
--- a/src/object/C4ObjectScript.cpp
+++ b/src/object/C4ObjectScript.cpp
@@ -16,6 +16,7 @@
  */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 
 #include "script/C4Aul.h"
 #include "script/C4AulDefFunc.h"
diff --git a/src/object/C4Shape.h b/src/object/C4Shape.h
index 30a6347e0..41770e404 100644
--- a/src/object/C4Shape.h
+++ b/src/object/C4Shape.h
@@ -20,7 +20,6 @@
 #ifndef INC_C4Shape
 #define INC_C4Shape
 
-#include "graphics/C4FacetEx.h"
 #include "config/C4Constants.h"
 #include "lib/C4Rect.h"
 
diff --git a/src/platform/C4App.h b/src/platform/C4App.h
index 54d8af2fc..81e75823a 100644
--- a/src/platform/C4App.h
+++ b/src/platform/C4App.h
@@ -19,6 +19,7 @@
 #ifndef INC_STDAPP
 #define INC_STDAPP
 
+#include "C4ForbidLibraryCompilation.h"
 #include "platform/StdScheduler.h"
 #include "platform/StdSync.h"
 #include "platform/C4StdInProc.h"
diff --git a/src/platform/C4AppMac.mm b/src/platform/C4AppMac.mm
index a00ed25a6..f873a53fb 100644
--- a/src/platform/C4AppMac.mm
+++ b/src/platform/C4AppMac.mm
@@ -16,6 +16,7 @@
 
 // based on SDL implementation
 
+#include "C4ForbidLibraryCompilation.h"
 #include <GL/glew.h>
 #include <string>
 
diff --git a/src/platform/C4GamePadCon.cpp b/src/platform/C4GamePadCon.cpp
index 141c6f44e..2179d1ba5 100644
--- a/src/platform/C4GamePadCon.cpp
+++ b/src/platform/C4GamePadCon.cpp
@@ -18,6 +18,7 @@
 /* Gamepad control */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "platform/C4GamePadCon.h"
 
 #include "config/C4Config.h"
diff --git a/src/platform/C4Window.h b/src/platform/C4Window.h
index 38a8404ab..852e363bb 100644
--- a/src/platform/C4Window.h
+++ b/src/platform/C4Window.h
@@ -19,6 +19,7 @@
 #ifndef INC_STDWINDOW
 #define INC_STDWINDOW
 
+#include "C4ForbidLibraryCompilation.h"
 #include "lib/StdBuf.h"
 
 #if defined(USE_SDL_MAINLOOP)
diff --git a/src/platform/C4WindowWin32.cpp b/src/platform/C4WindowWin32.cpp
index fd123a782..b3a155890 100644
--- a/src/platform/C4WindowWin32.cpp
+++ b/src/platform/C4WindowWin32.cpp
@@ -18,6 +18,7 @@
 /* A wrapper class to OS dependent event and window interfaces, WIN32 version */
 
 #include "C4Include.h"
+#include "C4ForbidLibraryCompilation.h"
 #include "platform/C4Window.h"
 
 #include "game/C4Application.h"
diff --git a/src/script/C4PropList.cpp b/src/script/C4PropList.cpp
index 730dd86a9..dfc04a084 100644
--- a/src/script/C4PropList.cpp
+++ b/src/script/C4PropList.cpp
@@ -20,8 +20,6 @@
 
 #include "script/C4Aul.h"
 #include "object/C4GameObjects.h"
-#include "game/C4Game.h"
-#include "object/C4Object.h"
 #include "control/C4Record.h"
 
 void C4PropList::AddRef(C4Value *pRef)
diff --git a/src/script/C4ValueArray.cpp b/src/script/C4ValueArray.cpp
index 09dbfd4f3..7a378c153 100644
--- a/src/script/C4ValueArray.cpp
+++ b/src/script/C4ValueArray.cpp
@@ -19,7 +19,6 @@
 
 #include "script/C4Aul.h"
 #include "object/C4FindObject.h"
-#include "object/C4Object.h"
 
 C4ValueArray::C4ValueArray()
 		: pData(NULL), iSize(0), iCapacity(0), constant(false)
@@ -90,7 +89,7 @@ void C4ValueArray::Sort(class C4SortObject &rSort)
 			pPos[i] = reinterpret_cast<intptr_t>(pData[pPos[i]]._getObj());
 		// Set the values
 		for (i = 0; i < iSize; i++)
-			pData[i].SetPropList(reinterpret_cast<C4Object *>(pPos[i]));
+			pData[i].SetPropList(reinterpret_cast<C4PropList *>(pPos[i]));
 		delete [] pPos;
 	}
 	else