Deepstream custom parsing ,make file error

Hi i am trying to do custom object detection using deepstream
ifeq ($(CUDA_VER),)
$(error “CUDA_VER is not set”)
CC:= g++

CFLAGS:= -Wall -Werror -std=c++11 -shared -fPIC -Wno-error=deprecated-declarations
CFLAGS+= -I…/…/includes -I/usr/local/cuda-$(CUDA_VER)/include -I/usr/src/tensorrt-8.0.1/include

LIBS:= -lnvinfer -lnvparsers -L/usr/local/cuda-$(CUDA_VER)/lib64 -lcudart -lcublas -L/usr/src/tensorrt-8.0.1/lib
LFLAGS:= -Wl,–start-group $(LIBS) -Wl,–end-group

SRCFILES:= nvdsparsebbox_ssd.cpp nvdsiplugin_ssd.cpp

all: $(TARGET_LIB)

$(CC) -o $@ $^ $(CFLAGS) $(LFLAGS)

rm -rf $(TARGET_LIB)
this is the make file i am using for ssd
i included tensorrt path in the make file but not compiling
command used:
make -C nvdsinfer_custom_impl_ssd

outmake: Entering directory ‘/home/dst/Deepstream/opt/nvidia/deepstream/deepstream-6.0/sources/objectDetector_SSD/nvdsinfer_custom_impl_ssd’
g++ -o nvdsparsebbox_ssd.cpp nvdsiplugin_ssd.cpp -Wall -Werror -std=c++11 -shared -fPIC -Wno-error=deprecated-declarations -I…/…/includes -I/usr/local/cuda-10.2/include -I/usr/src/tensorrt-8.0.1/include -Wl,–start-group -lnvinfer -lnvparsers -L/usr/local/cuda-10.2/lib64 -lcudart -lcublas -L/usr/src/tensorrt-8.0.1/lib -Wl,–end-group
/bin/sh: 1: cannot open b: No such file
Makefile:41: recipe for target ‘’ failed
make: *** [] Error 2
make: Leaving directory ‘/home/dst/Deepstream/opt/nvidia/deepstream/deepstream-6.0/sources/objectDetector_SSD/nvdsinfer_custom_impl_ssd’

Thanks in Advance

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