[root@localhost practice]# make
arm-linux-g++ demo.o -o ./scandemo -Wall -DG_DISABLE_DEPRECATED -DGDK_DISABLE_DEPRECATED -DUSE_SYSTEM_PWD_GRP -DGDK_PIXBUF_DISABLE_DEPRECATED -DGTK_DISABLE_DEPRECATED `pkg-config --cflags pangocairo gtk+-2.0` -U__KERNEL__ -UDEBUG -I.  `pkg-config --libs gtk+-2.0 pangocairo` -L. -L/usr/lib -lBarcode -lnls_fw
/usr/local/arm-linux/lib/gcc-lib/arm-linux/3.2.1/../../../../arm-linux/bin/ld: skipping incompatible /usr/lib/libgtk-x11-2.0.so when searching for -lgtk-x11-2.0
/usr/local/arm-linux/lib/gcc-lib/arm-linux/3.2.1/../../../../arm-linux/bin/ld: skipping incompatible /usr/lib/libgdk-x11-2.0.so when searching for -lgdk-x11-2.0
/usr/local/arm-linux/lib/gcc-lib/arm-linux/3.2.1/../../../../arm-linux/bin/ld: skipping incompatible /usr/lib/libatk-1.0.so when searching for -latk-1.0
/usr/local/arm-linux/lib/gcc-lib/arm-linux/3.2.1/../../../../arm-linux/bin/ld: skipping incompatible /usr/lib/libgdk_pixbuf-2.0.so when searching for -lgdk_pixbuf-2.0
/usr/local/arm-linux/lib/gcc-lib/arm-linux/3.2.1/../../../../arm-linux/bin/ld: skipping incompatible /usr/lib/libpng12.so when searching for -lpng12
/usr/local/arm-linux/lib/gcc-lib/arm-linux/3.2.1/../../../../arm-linux/bin/ld: skipping incompatible /usr/lib/libpangocairo-1.0.so when searching for -lpangocairo-1.0
/usr/local/arm-linux/lib/gcc-lib/arm-linux/3.2.1/../../../../arm-linux/bin/ld: cannot find -lpangocairo-1.0
collect2: ld returned 1 exit status
make: *** [scandemo] Error 1