Here are two other approaches that I’ve stumbled on for doing similar things: - https://www.cmcrossroads.com/article/rebuilding-when-files-checksum-changes htt

Here are two other approaches that I’ve stumbled on for doing similar things: - https://www.cmcrossroads.com/article/rebuilding-when-files-checksum-changes https://www.cmcrossroads.com/article/rebuilding-when-files-c... - http://olipratt.co.uk/rebuilding-makefile-targets-only-when-dependency-content-changes.html http://olipratt.co.uk/rebuilding-makefile-targets-only-when-...