Re: : : master 7f97cf31dc3: Create blessmail at build time instead of install time

[Robert Pluim <rpluim@gmail.com>]

>>>>> On Fri, 23 Aug 2024 13:03:00 +0000, Pip Cet <pipcet@protonmail.com> said:
    Pip> I still don't understand this change, I'm afraid.  IIUC, the idea is
    Pip> that this message is printed at install time, not at build time:

    Pip> Assuming /usr/spool/mail is really the mail spool directory, you should
    Pip> run  lib-src/blessmail /usr/local/libexec/emacs/31.0.50/x86_64-pc-linux-gnu/movemail
    Pip> as root, to give  movemail  appropriate permissions.
    Pip> Do that after running  make install.


    Pip> It's not clear to me that building lib-src/blessmail at build time is
    Pip> always safe: the user building Emacs might well be in a chroot jail or
    Pip> restricted so they're unable to access 'rmail-spool-directory'.

Building it at install time isnʼt safe either, since blessmail can end
up owned by 'root'.

    Pip> As this is really a post-install dependency, I think we need to find a
    Pip> better way of dealing with it.  Maybe we can do without "blessmail"
    Pip> entirely, and have "blessmail.el" print the full instructions when run,
    Pip> rather than putting them into "blessmail"?

That could be done. If we had a 'chown' subr it could even be elisp.

Robert
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