The crude loop I wrote to come up with this changeset:

  find -L package/feeds/packages/ -name patches | \
  sed 's/patches$/refresh/' | sort | xargs make

Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>

Several Makefile cleanups.

Added PKG_BUILD_PARALLEL for faster compilation.

Several size optimizations applied.

Signed-off-by: Rosen Penev <rosenp@gmail.com>