From: "Stefan Monnier" <monnier+gnu/emacs@RUM.cs.yale.edu>
Cc: vardhan.v@parsectech.com, emacs-devel@gnu.org
Subject: Re: build from CVS
Date: Thu, 07 Feb 2002 10:07:56 -0500 [thread overview]
Message-ID: <200202071507.g17F7uh02171@rum.cs.yale.edu> (raw)
In-Reply-To: 200202071457.g17Evs404725@aztec.santafe.edu
> Assuming that make expands $$ to it's PID, does it ?
>
> I think make starts a shell to run the command, so $$ will
> be the PID of the shell. So I expect it would not work.
> Have you ever seen it ever work?
Actually, `$$' is turned into `$' by make (since $ is used by make for
variable interpolation, `$$' is provided as a way to protect a $ from
expansion). So `$$$$' would get the shell's process id.
With some shells you might be able to use `$$PPID'.
Stefan
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next prev parent reply other threads:[~2002-02-07 15:07 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <B121AEA4C026D51180670000E899F02722F79D@MAILSERVER>
2002-02-07 14:57 ` build from CVS Richard Stallman
2002-02-07 15:07 ` Stefan Monnier [this message]
2002-02-08 13:55 ` Richard Stallman
[not found] <Pine.SUN.3.91.1020206094932.1770C-100000@is>
2002-02-07 14:58 ` Richard Stallman
2002-02-07 19:51 ` Eli Zaretskii
2002-02-07 20:02 ` Stefan Monnier
2002-02-07 20:06 ` Eli Zaretskii
[not found] <Pine.SUN.3.91.1020204142059.10902C-100000@is>
[not found] ` <200202051248.g15CmRv02237@aztec.santafe.edu>
2002-02-07 21:04 ` Ken Raeburn
2002-02-08 23:24 ` Richard Stallman
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