diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 858a74daa..be2780f65 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -192,6 +192,7 @@ include_directories(AFTER
 	${CMAKE_CURRENT_SOURCE_DIR}/DataDetectorsNaturalLanguage/include
 	${CMAKE_CURRENT_SOURCE_DIR}/SecurityInterface/include
 	${CMAKE_CURRENT_SOURCE_DIR}/Carbon/include
+	${CMAKE_CURRENT_SOURCE_DIR}/DrawSprocket/include
 	${CMAKE_CURRENT_SOURCE_DIR}/Quartz/include
 	${CMAKE_CURRENT_SOURCE_DIR}/CoreImage/include
 	${CMAKE_CURRENT_SOURCE_DIR}/CoreVideo/include
@@ -406,6 +407,7 @@ add_subdirectory(WebKit)
 add_subdirectory(OpenGL)
 add_subdirectory(JavaVM)
 add_subdirectory(DirectoryServices)
+add_subdirectory(DrawSprocket)
 
 # /Applications
 #add_subdirectory(external/TextEdit)
diff --git a/src/DrawSprocket/CMakeLists.txt b/src/DrawSprocket/CMakeLists.txt
new file mode 100644
index 000000000..649c0dfce
--- /dev/null
+++ b/src/DrawSprocket/CMakeLists.txt
@@ -0,0 +1,18 @@
+project(DrawSprocket)
+
+set(DYLIB_COMPAT_VERSION "1.0.0")
+set(DYLIB_CURRENT_VERSION "1.0.0")
+
+add_framework(DrawSprocket
+    FAT
+    CURRENT_VERSION
+    VERSION "A"
+
+    SOURCES
+        src/DrawSprocket.c
+
+    DEPENDENCIES
+    	CoreFoundation
+    	Carbon
+        system
+)
diff --git a/src/DrawSprocket/include/DrawSprocket.h b/src/DrawSprocket/include/DrawSprocket.h
new file mode 100644
index 000000000..0ffdd02fc
--- /dev/null
+++ b/src/DrawSprocket/include/DrawSprocket.h
@@ -0,0 +1 @@
+// TODO
\ No newline at end of file
diff --git a/src/DrawSprocket/src/DrawSprocket.c b/src/DrawSprocket/src/DrawSprocket.c
new file mode 100644
index 000000000..c184a641c
--- /dev/null
+++ b/src/DrawSprocket/src/DrawSprocket.c
@@ -0,0 +1,251 @@
+
+#pragma GCC visibility push(hidden)
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include <Carbon/Carbon.h>
+#include "MacTypes.h"
+
+#define FW_EXPORT __attribute__ ((visibility ("default")))
+
+
+typedef UInt32 DisplayIDType;
+typedef UInt32 EventRecord;
+
+typedef void* DSpContextReference;
+typedef const void* DSpContextReferenceConst;
+typedef void* DSpContextAttributesPtr;
+
+typedef uint8_t DSpBufferKind;
+typedef uint8_t DSpContextState;
+
+typedef void* DSpCallbackUPP;
+
+// Older mac API defs
+typedef void* CGrafPtr;
+
+typedef struct RGBColor {
+  unsigned short components[3];
+} RGBColor;
+
+typedef struct ColorSpec {
+ short value;
+ RGBColor rgb;
+} ColorSpec;
+
+//
+
+static int verbose = 0;
+
+__attribute__((constructor))
+static void initme(void) {
+    verbose = getenv("STUB_VERBOSE") != NULL;
+}
+
+FW_EXPORT OSStatus DSpContext_Dispose(DSpContextReference ref)
+{
+   if (verbose) puts("STUB: DSpContext_Dispose called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpContext_FadeGamma(DSpContextReference ref, SInt32 a, RGBColor *b)
+{
+   if (verbose) puts("STUB: DSpContext_FadeGamma called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpContext_FadeGammaIn(DSpContextReference ref, RGBColor *a)
+{
+   if (verbose) puts("STUB: DSpContext_FadeGammaIn called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpContext_FadeGammaOut(DSpContextReference ref, RGBColor *a)
+{
+   if (verbose) puts("STUB: DSpContext_FadeGammaOut called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpContext_GetAttributes(DSpContextReferenceConst ref, DSpContextAttributesPtr a)
+{
+   if (verbose) puts("STUB: DSpContext_GetAttributes called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpContext_GetBackBuffer(DSpContextReference ref, DSpBufferKind a, CGrafPtr *b)
+{
+   if (verbose) puts("STUB: DSpContext_GetBackBuffer called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpContext_GetCLUTEntries(DSpContextReferenceConst ref, ColorSpec *a, UInt16 b, UInt16 c)
+{
+   if (verbose) puts("STUB: DSpContext_GetCLUTEntries called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpContext_GetDisplayID(DSpContextReferenceConst ref, DisplayIDType *a)
+{
+   if (verbose) puts("STUB: DSpContext_GetDisplayID called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpContext_GetFrontBuffer(DSpContextReferenceConst ref, CGrafPtr *a)
+{
+   if (verbose) puts("STUB: DSpContext_GetFrontBuffer called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpContext_GetMonitorFrequency(DSpContextReferenceConst ref, Fixed *a)
+{
+   if (verbose) puts("STUB: DSpContext_GetMonitorFrequency called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpContext_GetState(DSpContextReferenceConst ref, DSpContextState *a)
+{
+   if (verbose) puts("STUB: DSpContext_GetState called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpContext_GlobalToLocal(DSpContextReferenceConst ref, Point *a)
+{
+   if (verbose) puts("STUB: DSpContext_GlobalToLocal called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpContext_IsBusy(DSpContextReferenceConst ref, Boolean *a)
+{
+   if (verbose) puts("STUB: DSpContext_IsBusy called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpContext_LocalToGlobal(DSpContextReferenceConst ref, Point *a)
+{
+   if (verbose) puts("STUB: DSpContext_LocalToGlobal called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpContext_Queue(DSpContextReference ref, DSpContextReference ref2, DSpContextAttributesPtr a)
+{
+   if (verbose) puts("STUB: DSpContext_Queue called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpContext_Release(DSpContextReference ref)
+{
+   if (verbose) puts("STUB: DSpContext_Release called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpContext_Reserve(DSpContextReference ref, DSpContextAttributesPtr a)
+{
+   if (verbose) puts("STUB: DSpContext_Reserve called");
+   return 0;
+}
+const
+FW_EXPORT OSStatus DSpContext_SetCLUTEntries(DSpContextReference ref, const ColorSpec *a, UInt16 b, UInt16 c)
+{
+   if (verbose) puts("STUB: DSpContext_SetCLUTEntries called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpContext_SetState(DSpContextReference ref, DSpContextState a)
+{
+   if (verbose) puts("STUB: DSpContext_SetState called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpContext_SwapBuffers(DSpContextReference ref, DSpCallbackUPP a, void *b)
+{
+   if (verbose) puts("STUB: DSpContext_SwapBuffers called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpContext_Switch(DSpContextReference ref, DSpContextReference ref2)
+{
+   if (verbose) puts("STUB: DSpContext_Switch called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpFindBestContext(DSpContextAttributesPtr a, DSpContextReference *ref)
+{
+   if (verbose) puts("STUB: DSpFindBestContext called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpFindBestContextOnDisplayID(DSpContextAttributesPtr a, DSpContextReference *b, DisplayIDType c)
+{
+   if (verbose) puts("STUB: DSpFindBestContextOnDisplayID called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpFindContextFromPoint(Point a, DSpContextReference *ref)
+{
+   if (verbose) puts("STUB: DSpFindContextFromPoint called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpGetCurrentContext(DisplayIDType typeID, DSpContextReference *ref)
+{
+   if (verbose) puts("STUB: DSpGetCurrentContext called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpGetFirstContext(DisplayIDType typeID, DSpContextReference *ref)
+{
+   if (verbose) puts("STUB: DSpGetFirstContext called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpGetMouse(Point *a)
+{
+   if (verbose) puts("STUB: DSpGetMouse called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpGetNextContext(DSpContextReference ref, DSpContextReference *ref2)
+{
+   if (verbose) puts("STUB: DSpGetNextContext called");
+   return 0;
+}
+
+FW_EXPORT NumVersion DSpGetVersion(void)
+{
+   if (verbose) puts("STUB: DSpGetVersion called");
+   NumVersion ret;
+   return ret;
+}
+
+FW_EXPORT OSStatus DSpProcessEvent(EventRecord *a, Boolean *b)
+{
+   if (verbose) puts("STUB: DSpProcessEvent called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpSetBlankingColor(const RGBColor * a)
+{
+   if (verbose) puts("STUB: DSpSetBlankingColor called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpSetDebugMode(Boolean a)
+{
+   if (verbose) puts("STUB: DSpSetDebugMode called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpShutdown(void)
+{
+   if (verbose) puts("STUB: DSpShutdown called");
+   return 0;
+}
+
+FW_EXPORT OSStatus DSpStartup(void)
+{
+   if (verbose) puts("STUB: DSpStartup called");
+   return 0;
+}
+