this is my version of make file

PROJECT = RCKangaroo
CC = g++
NVCC = nvcc
CFLAGS = -Wall -O2
INCLUDES = -I/usr/local/cuda/include 
LIBDIRS = -L/usr/local/cuda/lib64   
LIBS_CUDA = -lcudart               

# File sorgente
CPP_FILES = $(wildcard *.cpp)
CU_FILES = $(wildcard *.cu)
OBJECTS = $(CPP_FILES:.cpp=.o) $(CU_FILES:.cu=.o)

all: $(PROJECT)

$(PROJECT): $(OBJECTS)
   $(NVCC) $(OBJECTS) -o $(PROJECT) $(LIBDIRS) $(LIBS_CUDA)

%.o: %.cpp
   $(CC) $(CFLAGS) $(INCLUDES) -c $< -o $@

%.o: %.cu
   $(NVCC) -O2 $(INCLUDES) -c $< -o $@

clean:
   rm -f $(PROJECT) $(OBJECTS)