Nicholas Nethercote 8a75eecbad Rewrite cg_diff in Python.
For all the same reasons I rewrote `cg_annotate` in Python.

The commit also moves the Python "build" steps into
`auxprogs/pybuild.sh`, for easy sharing.

Finally, it very slightly tweaks the whitespace in the output of
`cg_annotate`.
2023-03-28 14:54:25 +11:00
..
2023-03-28 14:54:25 +11:00