LFLAGS += -Wl,--start-group
LFLAGS += $(shell find $(opencv_prefix)/lib* -name "libopencv_*.a" 2> /dev/null)
#opencv4 breaks SIFT/SURF findobj
LFLAGS += -Wl,--start-group
LFLAGS += $(shell find $(opencv_prefix)/lib* -name "libopencv_*.a" 2> /dev/null)
#opencv4 breaks SIFT/SURF findobj