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Re: autoconf test ': >emtpy' problem under Ultrix

From: Peter Eisentraut
Subject: Re: autoconf test ': >emtpy' problem under Ultrix
Date: Tue, 20 Mar 2001 16:57:57 +0100 (CET)

Alexandre Oliva writes:

> Anyway, automake uses `echo timestamp > file', instead of touch, and
> I've always thought the reason was to avoid having an empty file.

The reason (which is documented somewhere in the auto* manuals) is that on
some (BSD?) systems a 'touch' of an empty file doesn't update the time
stamp.  So in a way, yes, you're avoiding empty files, but it is only
necessary in 'make' context.

Peter Eisentraut      address@hidden

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