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    SubjectBetter way to force a rebuild

    Hi,

    In include/linux/kernel.h I currently have the following lines at the
    bottom of the file:

    /* Rebuild everything on CONFIG_FTRACE_MCOUNT_RECORD */
    #ifdef CONFIG_FTRACE_MCOUNT_RECORD
    # define REBUILD_DUE_TO_FTRACE_MCOUNT_RECORD
    #endif


    This is only there to force a rebuild of all files when
    CONFIG_FTRACE_MCOUNT_RECORD is modified. Since the modification of that
    config causes the build to act different, we need to rebuild all C
    objects. I added the #ifdef in kernel.h as a hack to force the rebuild by
    the config dependencies used in kbuild.

    My question is, is there a better way to force a full rebuild on a
    modification of a config?

    Thanks,

    -- Steve



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