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  • Craig Scott's avatar
    Revert ExternalProject and FetchContent refactoring · 57d442e1
    Craig Scott authored
    Refactoring of the ExternalProject and FetchContent modules moved
    the commands into CMake scripts. This broke custom commands that
    used shell redirection or special build tool variables of the form
    $(MakeVar). Undo the sequence of commits that performed this
    refactoring and follow-up fixes associated with it.
    
    The following commits are reverted by this change:
    
    4f3d1abb (ExternalProject: Refactor pre-configure steps to support
    no-target uses, 2021-02-05)
    
    17e5516e (FetchContent: Invoke steps directly and avoid a separate
    sub-build, 2021-01-29)
    
    bd876f38 (FetchContent: Restore patch command support,
    2021-02-18)
    
    404cddb7 (ExternalProject: Fix misuse of IS_NEWER_THAN in
    timestamp checks, 2021-02-21)
    
    b0da6712 (FetchContent: Don't update timestamps if files don't
    change, 2021-02-18)
    
    Fixes: #21892
    57d442e1