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From: woods@most.weird.com (Greg A. Woods)
To: rc@hawkwind.utcs.toronto.edu
Subject: Re: autoconfig
Date: Tue, 1 Apr 1997 20:11:13 -0500	[thread overview]
Message-ID: <m0wCEa1-00076zC@most.weird.com> (raw)
In-Reply-To: Byron Rakitzis's message of "Tue, April 1, 1997 14:28:39 -0500" regarding "autoconfig" id <9704011928.AA27920@netapp.com>

[ On Tue, April 1, 1997 at 14:28:39 (-0500), Byron Rakitzis wrote: ]
> Subject: autoconfig
> > #define DEFAULTPATH "/usr/ucb", "/usr/bin", "/bin", "."
> I think this can be deduced by running /bin/sh as a login shell
> with $PATH unset, and snarfing the output of "echo $PATH".

Ssh (which also uses GNU autoconf) adds a special option to the
autoconf generated configure script:

    --with-path=PATH        Default path passed to user shell by sshd.

(autoconf has an AC_ARG_WITH() macro to support such features....)

> I am sorely tempted to remove named pipe support. It never worked
> properly. So something is needed to auto-sense the particular
> encoding for /dev/fd (systems encode this differently), which I
> doubt is supplied by GNU autoconf.

It would be sad to lose it, though of course if it doesn't wrok right (I
admit I've not tried it in a very long time), 

> > #define DEFAULTINTERP "/bin/sh"
> Ditto, this should just be a standard feature.

Though of course autoconf can tell for sure.  (Note that many modern
systems don't have a /bin directory, eg. SunOS-4 & 5, though of course
they do usually have a symlink there pointing at /usr/bin)

> > #define PROTECT_ENV
> Given that every /bin/sh I have tried croaks on rc-native environment
> variable representation in some way or other, PROTECT_ENV should
> be the only method for encoding env. variable names.

What if DEFAULTINTERP isn't /bin/sh?  ;-)

							Greg A. Woods

+1 416 443-1734			VE3TCP			robohack!woods
Planix, Inc. <woods@planix.com>; Secrets of the Weird <woods@weird.com>

  reply	other threads:[~1997-04-02  4:34 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1997-04-01 19:28 autoconfig Byron Rakitzis
1997-04-02  1:11 ` Greg A. Woods [this message]
1997-04-02  8:32   ` autoconfig Stefan Dalibor
1997-04-02  2:20 ` autoconfig Scott Schwartz
1997-04-02 15:10   ` autoconfig Mark K. Gardner
1997-04-02  2:59 ` autoconfig David Luyer
1997-04-02 16:32 ` autoconfig Chet Ramey
1997-04-01 23:52 autoconfig Alan Watson
1997-04-02  9:38 autoconfig Bengt Kleberg
1997-04-03  0:15 ` autoconfig Scott Merrilees
1997-04-03  3:14   ` autoconfig Warren Toomey
1997-04-02 17:30 autoconfig Rich Salz
1997-04-02 20:24 autoconfig Byron Rakitzis
1997-04-05 18:38 autoconfig Bengt Kleberg

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