https://github.com/cellux/rpi-buildroot.git
# create symlinks for board-specific scripts and add-on packages
for p in board/rpi package/rpi; do
ln -s $(readlink -f ../rpi-buildroot/$p) $p
done
# override packages which have been customized
for p in luajit; do
rm -rf package/$p
ln -s $(readlink -f ../rpi-buildroot/package/$p) package/$p
done
=================
post-build.sh 中 ${1} 为rootfs target目录
可引用Makefile中的变量，如${BASE_DIR}即为 Makefile中的$(BASE_DIR)
本文出自 “枪炮与玫瑰的BLOG” 博客，请务必保留此出处http://axlrose.blog.51cto.com/434566/1355370
参考rpi-buildroot通过软链接方式添加外部buildroot包
原文：http://axlrose.blog.51cto.com/434566/1355370