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Re: False negative for ln -s test on MSYS

From: Eric Blake
Subject: Re: False negative for ln -s test on MSYS
Date: Sat, 20 Feb 2010 17:39:36 -0700
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv: Gecko/20090812 Thunderbird/ Mnenhy/

According to Cesar Strauss on 2/20/2010 5:34 PM:
> Since Windows in general doesn't have the concept of a symlink, MSYS
> provides an emulation by copying, as a convenience.

Copying is different than symlinking.  It is a disservice to some packages
to claim that 'ln -s' works when it is not creating a symlink.

> Unfortunately, this causes a false negative in an autoconf test:

No, that would be a true negative.  The inability to create circular or
dangling symlinks is evidence that symlinks are not supported.

> I don't think this test is reasonable. On a system with true symlinks,
> this would create a symlink pointing to itself:

And I don't see any reason to change that test, at least not without more
convincing arguments.

Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden

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