[WIP] Regenerate the compilation database only if the content has changed#3735

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exg wants to merge 2 commits intoSCons:masterfrom exg:compilation-db

+72-94

Commits on Jul 5, 2020

compilation_db: test db regeneration on compile command change
exg
committed

Commits on Jul 6, 2020

compilation_db: regenerate the db only if the content has changed
exg
committed