Hmm I don't why Slackware should use a different "su", but the option
exists in all Linux distributions, I know.

 -m, --preserve-environment
              do not reset environment variables


Cheers, Zafer.



2006/7/30, Joel CARNAT <joel@carnat.net>:
> Hi,
>
> I was installing clamav on a Linux domU (Slackware 10.2 /
> 2.6.11.12-xenU) from pkgsrc-2006Q2. Compilation and installation wen't
> OK but when I started the rc.d script I got:
> ########################################################################
> # sudo bash -x /usr/pkg/share/examples/rc.d/freshclamd start
> <...>
> Starting freshclamd.
> + '[' -n '' ']'
> + _doit='/usr/pkg/bin/freshclam -c 2 -d'
> + '[' -n vscan ']'
> + _doit='/usr/bin/su -m vscan                                   -c
> '\''/bin/sh -c "/usr/pkg/bin/freshclam -c 2 -d"'\'''
> + eval /usr/bin/su -m vscan -c ''\''/bin/sh' -c
> '"/usr/pkg/bin/freshclam' -c 2 '-d"'\'''
> ++ /usr/bin/su -m vscan -c '/bin/sh -c "/usr/pkg/bin/freshclam -c 2 -d"'
> /bin/bash: vscan: No such file or directory
> + '[' -z '' ']'
> + return 1
> + '[' start '!=' stop ']'
> <...>
> ########################################################################
>
> I checked the "su" manpage and this Linux version has no "-m" flag.
> I see mine is part of the 'shadow 4.0.3' package. It is still the case
> in the bleeding-edge branch (meaning upgrade has to be manual).
>
> I read the su.1.xml from the '4.0.17' version, and there seem to be "-m"
> option. I didn't check when it appears though.
>
> Anybody has such a shadow version on his Linux ? Meaning I would have to
> manually upgrade the 'shadow' version rather that tweak the rc.d script.
>
> TIA,
>        Jo
>
>
>