生成错误：循环 filex <- filey 依赖项已删除

Question

我正在使用 make 文件目标从服务器复制两种类型的输入（.y 和 .yuv）。 我想从服务器位置复制 ../input 文件夹中的灰色图像和 yuv 图像。

#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++#
# Gray scale images
#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++#
VID_INPUT_YUV_PATH = ../input
VID_INPUT_GRAYIMG_FILES =   \
    inputGray0.y    \
    inputGray1.y
VID_INPUTGRAY = $(addprefix $(VID_INPUT_YUV_PATH)/, $(VID_INPUT_GRAYIMG_FILES))
VID_INPUTGRAY_NOCLEAN = $(addprefix -e , $(VID_INPUTGRAY))

vpath %.y server:/stddataset/ped server:/stddataset/car

.PRECIOUS: $(VID_INPUT_YUV_PATH)/%
$(VID_INPUT_YUV_PATH)/% : %
    mkdir -p $(VID_INPUT_YUV_PATH)
    scp server:$^ $@

#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++#
# YUV images
#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++#
VID_INPUT_YUV_FILES =   \
    inputYuv0.yuv \
    inputYuv1.yuv \
    inputYuv2.yuv \
    inputYuv3.yuv   
VID_INPUT_YUV = $(addprefix $(VID_INPUT_YUV_PATH)/, $(VID_INPUT_YUV_FILES))
VID_INPUT_NOCLEAN = $(addprefix -e , $(VID_INPUT_YUV))

$(VID_INPUT_YUV) : $(VID_INPUTGRAY) $(VID_INPUT_YUV) 

.PRECIOUS: $(VID_INPUT_YUV_PATH)/%.yuv
$(VID_INPUT_YUV_PATH)/%.yuv : 
    mkdir -p $(VID_INPUT_YUV_PATH)
    scp server:/stddataset/crowd/yuv/$(notdir $@) $@

错误：

make: Circular ../input/ inputYuv0.yuv <- ../input/ inputYuv0.yuv dependency dropped.
make: Circular ../input/ inputYuv1.yuv <- ../input/ inputYuv0.yuv dependency dropped.
make: Circular ../input/ inputYuv1.yuv <- ../input/ inputYuv1.yuv dependency dropped.
make: Circular ../input/ inputYuv2.yuv <- ../input/ inputYuv0.yuv dependency dropped.
make: Circular ../input/ inputYuv2.yuv <- ../input/ inputYuv1.yuv dependency dropped.
make: Circular ../input/ inputYuv2.yuv <- ../input/ inputYuv2.yuv dependency dropped.
make: Circular ../input/ inputYuv3.yuv <- ../input/ inputYuv0.yuv dependency dropped.
make: Circular ../input/ inputYuv3.yuv <- ../input/ inputYuv1.yuv dependency dropped.
make: Circular ../input/ inputYuv3.yuv <- ../input/ inputYuv2.yuv dependency dropped.
make: Circular ../input/ inputYuv3.yuv <- ../input/ inputYuv3.yuv dependency dropped.

如何解决此循环依赖关系。