run:

make package/libgphoto2/clean
make package/libgphoto2/prepare
cd build_dir/target*/libgphoto2*/
ln -s $(PROJECT_HOME)/openwrt/scripts/config.rpath ./config.rpath
touch NEWS AUTHORS COPYING ABOUT-NLS ChangeLog
cd libgphoto2_port
ln -s $(PROJECT_HOME)/openwrt/scripts/config.rpath ./config.rpath
touch NEWS AUTHORS COPYING ABOUT-NLS ChangeLog
cd ../../../../
make