[root@localhost practice]# cat Makefile
CROSS   = arm-linux-
CC      = $(CROSS)gcc
CXX     = $(CROSS)g++

CFLAGS = -Wall                          \
        -DG_DISABLE_DEPRECATED          \
        -DGDK_DISABLE_DEPRECATED        \
        -DUSE_SYSTEM_PWD_GRP    \
        -DGDK_PIXBUF_DISABLE_DEPRECATED \
        -DGTK_DISABLE_DEPRECATED        \
        `pkg-config --cflags gtk+-2.0`  \
        -U__KERNEL__ -UDEBUG    \
        -I. 

CXXFLAGS = $(CFLAGS)

LDFLAGS = `pkg-config --libs gtk+-2.0` \
        -L. -lBarcode -lnls_fw

OBJS = demo.o
TARGET = ./scandemo

$(TARGET) : $(OBJS) 
                $(CXX) $(OBJS) -o $(TARGET) $(CFLAGS) $(LDFLAGS)

clean: 
        rm -f *.o $(TARGET)