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Re: Warn: non-POSIX variable name
From: |
Andreas Schwab |
Subject: |
Re: Warn: non-POSIX variable name |
Date: |
Tue, 19 Aug 2008 10:24:17 +0200 |
User-agent: |
Gnus/5.110009 (No Gnus v0.9) Emacs/22.2 (gnu/linux) |
Brian Dessent <address@hidden> writes:
> The difference with this method is that the values are computed once
> when configure is run, and then substituted into the Makefile when it is
> generated after configure has completed. When you use $(shell ...) the
> value is not computed until you run make, and the result is not stored
> anywhere so it is recomputed each time that make is run.
Even worse, it is recomputed each time the variable is _used_, ie. for
every compilation job started by make.
Andreas.
--
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
- Warn: non-POSIX variable name, Steven Woody, 2008/08/18
- Re: Warn: non-POSIX variable name, Brian Dessent, 2008/08/18
- Re: Warn: non-POSIX variable name, Ralf Wildenhues, 2008/08/19
- Re: Warn: non-POSIX variable name, Steven Woody, 2008/08/19
- Re: Warn: non-POSIX variable name, Brian Dessent, 2008/08/19
- Re: Warn: non-POSIX variable name,
Andreas Schwab <=
- Re: Warn: non-POSIX variable name, Steven Woody, 2008/08/19
- Re: Warn: non-POSIX variable name, Peter Johansson, 2008/08/19
- Re: Warn: non-POSIX variable name, Steven Woody, 2008/08/19
- Re: Warn: non-POSIX variable name, Peter Johansson, 2008/08/19
- Re: Warn: non-POSIX variable name, Ralf Wildenhues, 2008/08/21
- Re: Warn: non-POSIX variable name, Steven Woody, 2008/08/21