Dependency build error when building driver

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Hi,
 
 I have the following error when i try and build my display driver
in platfrom directory. I've cloned the VGAFlat (ddi_flat) from the
public tree and modified. Using V5.0
 
Error is: U1071: cycle in dependency tree for target
c:\wince500\platform\pxa255\lib\ARMV4I\debug\ddi_flat.def
 
I have 2 directories SRC and DLL
 
sources file for SRC :
 
WINCEOEM=1
RELEASETYPE=PLATFORM
 
TARGETNAME=DDI_FLAT_LIB
TARGETTYPE=LIBRARY
TARGETDEFNAME=ddi_flat
 
DEFFILE=ddi_flat.def
WINCETARGETFILE0=$(_TARGETPLATROOT)\lib\$(_CPUINDPATH)\$(TARGETDEFNAME).def
 
CDEFINES=$(CDEFINES) -DDDI -DVGA_DEBUG_MSGS
INCLUDES= \
  $(_PUBLICROOT)\common\oak\inc; \
  $(_TARGETPLATROOT)\inc;
 
SOURCELIBS= \
  $(_COMMONOAKROOT)\lib\$(_CPUINDPATH)\ddgpe.lib \
 
SOURCES= \
  pxalcd.cpp \
  surf.cpp \
  halcaps.cpp \
  haldd.cpp \
  halpalette.cpp \
  halsurf.cpp \
  dispdrvr.c \
 
 
 
!IF "$(DO_DISPPERF)"=="1"
CDEFINES=$(CDEFINES) -DDO_DISPPERF
!ENDIF
 
 
Sources file for  DLL is:
 
TARGETNAME=ddi_flat
 
TARGETTYPE=DYNLINK
RELEASETYPE=PLATFORM
SYNCHRONIZE_DRAIN=1
 
DEFFILE=$(_TARGETPLATROOT)\lib\$(_CPUINDPATH)\ddi_flat.def
 
DLLENTRY=_DllMainCRTStartup
 
SOURCELIBS= $(_TARGETPLATROOT)\lib\$(_CPUINDPATH)\ddi_flat_lib.lib \
 
TARGETLIBS=\
    $(_SYSGENOAKROOT)\lib\$(_CPUINDPATH)\ceddk.lib \
    $(_COMMONOAKROOT)\lib\$(_CPUINDPATH)\dxdrvguid.lib  \
    $(_SYSGENOAKROOT)\lib\$(_CPUINDPATH)\gpe.lib \
    $(_SYSGENSDKROOT)\lib\$(_CPUINDPATH)\coredll.lib