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Re: Patch for autoconf/145

From: Pavel Roskin
Subject: Re: Patch for autoconf/145
Date: Sun, 25 Feb 2001 15:22:16 -0500 (EST)

Hello, Ralf!

>>> Unfortunately, ignoring this still leaves us with the original reason for 
>>> the
>>> magic.  That reason is that the user may want to add paths to VPATH and this
>>> doesn't necessarily mean shooting herself in the foot.  As long as she 
>>> leaves
>>> @srcdir@ in there, everything Automake & Autoconf depended on for building 
>>> out
>>> of tree should still work, but Autoconf doesn't know in advance whether the
>>> user did this or not.
> How about allowing @top_srcdir@ in VPATHs? IMHO, this would be more
> handy than @srcdir@ if _really_ exploiting VPATH for building.

Portable projects should not _really_ exploit VPATH. The GNU build tools
support even versions of make that don't interpret VPATH at all.

Building the project in a separate tree is an optional feature that is
only available with makes supporting VPATH. It is sufficient for VPATH to
be equal srcdir to enable this optional feature.

Pavel Roskin

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