Without this, compilation fails because of a fortify-source header.
There's something defining and undefining _GNU_SOURCE somewhere.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
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>