[TUHS] Re: Trying to compile cron

[Warner Losh <imp@bsdimp.com>]

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On Thu, Dec 28, 2023, 2:55 PM Jeremy C. Reed <reed@reedmedia.net> wrote:

> On Thu, 28 Dec 2023, KenUnix wrote:
>
> > Hi. I am trying to compile cron for the 3b2-400 and 3b2-700
> > and am apparently missing required libraries. The reason is
> > on the 3b2-400 after boot up it complains there is corruption
> > in the crontab for every user lp, sysadm, root and so on.
> >
> > # make cron
> >         cc -O  cron.c -o cron
>

Try just cc *.c -o cron

> undefined                       first referenced
> >  symbol                             in file
> > el_add                              cron.o
> > el_delete                           cron.o
> > el_empty                            cron.o
> > el_first                            cron.o
> > el_init                             cron.o
> > xmalloc                             cron.o
> > el_remove                           cron.o
> > num                                 cron.o
> > days_in_mon                         cron.o
> > days_btwn                           cron.o
> > ld fatal: Symbol referencing errors. No output written to cron
> > *** Error code 13
> >
> > Stop.
> >
> > Does anyone have these libraries? Thanks.
>
> At first I thought the el_ code was editline code but that doesn't make
> sense in cron, but then I found the General-Purpose Event List Manager.
>
> See
> https://www.tuhs.org/cgi-bin/utree.pl?file=SysVR4/cmd/cron/elm.c
> and
> https://www.tuhs.org/cgi-bin/utree.pl?file=SysVR4/cmd/cron/funcs.c
>
> Does your cron source come with this other code?
>
> By the way, how to browse the SysVR4 code at TUHS?
>

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