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Re: [avr-libc-dev] [RFC] patch for Bug #1808

From: Joerg Wunsch
Subject: Re: [avr-libc-dev] [RFC] patch for Bug #1808
Date: Fri, 6 Dec 2002 20:52:19 +0100
User-agent: Mutt/1.2.5i

As Theodore A. Roth wrote:

> :) Why not simply "touch fix_png"?
> Took a little digging to refresh my memory as to why touch is
> insufficient:
>   http://www.gnu.org/manual/autoconf/...
> Might not be an issue for us though.

Certainly not.

How old must that BSD be in order to not work?

$ date
Fri Dec  6 20:42:02 MET 2002
$ uname -a
2.11BSD elfje 2.11BSD 2.11 BSD UNIX #2: Tue Oct 1 03:30:21 PDT 2002     
address@hidden:/vol1/usr/src/sys/J  PDP11
$ ls -l foobar
foobar not found
$ touch foobar
$ ls -l foobar
-rw-r-----  1 j               0 Dec  6 20:42 foobar
$ date
Fri Dec  6 20:43:02 MET 2002
$ touch foobar
$ ls -l foobar
-rw-r-----  1 j               0 Dec  6 20:43 foobar

Apparently, a 2.11BSD running on a PDP-11 (simulator) is not old
enough to trigger the bug described there. ;-)

> Should I commit this as is, change it to
>   + echo timestamp > fix_png
> or revert to touch?

I don't mind both ways.  touch is pretty much the standard way of
doing this, but the echo should work fine as well.  I was only
reluctant to use yet another command.  I'm not even sure whether
the Cygwin environment would include a proper date command, but
i'm sure they'll support echo (it's a shell builtin anyway).

J"org Wunsch                                           Unix support engineer
address@hidden        http://www.interface-systems.de/~j/

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