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Re: RFA: avoid circular dependency (using doc/../doc) (Was: Re: copying a timestamp)

From: Ralf Wildenhues <Ralf dot Wildenhues at gmx dot de>
To: Joern Rennecke <amylaar at spamcop dot net>
Cc: Paolo Bonzini <bonzini at gnu dot org>, gcc-patches at gcc dot gnu dot org, DJ Delorie <dj at redhat dot com>, Alexandre Oliva <aoliva at redhat dot com>, Nathanael Nerode <neroden at gcc dot gnu dot org>
Date: Mon, 15 Nov 2010 22:39:57 +0100
Subject: Re: RFA: avoid circular dependency (using doc/../doc) (Was: Re: copying a timestamp)
References: <20101112091310.xfc3pvh9ogw0sskg-nzlynne@webmail.spamcop.net> <4CDD502D.9060405@gnu.org> <20101112100204.lhw5uyhrpcswogo8-nzlynne@webmail.spamcop.net> <4CDD5805.8040708@gnu.org> <20101112110038.qzd8l0pbgo4swgs8-nzlynne@webmail.spamcop.net> <20101114094629.21cjtbpj8gogcogg-nzlynne@webmail.spamcop.net> <20101114152721.GE3399@gmx.de> <20101114103502.1kyi9jus6ooo0o4c-nzlynne@webmail.spamcop.net> <20101114154631.GH3399@gmx.de> <20101114132829.05yt062q8cg8swwo-nzlynne@webmail.spamcop.net>

* Joern Rennecke wrote on Sun, Nov 14, 2010 at 07:28:29PM CET:
> Quoting Ralf Wildenhues:
> >
> >It's not likely that this will disappear, but code like that will jump
> >out at the casual reader months from now as likely-buggy.  So that would
> >definitely deserve a comment.
> 
> OK, I've added some.

Thanks.

> >Maybe also a make-time (or
> >configure-time) test that this feature/bug has not changed?
> 
> That sounds hard to get right, and hopefully it will be moot when we
> get a proper resolution of the GPL / GFDL issues.
> At any rate, the expected failure mode is that make will go back to complain
> about a circular dependency.

Ah, that sounds good enough then.

Thanks,
Ralf

References:
- Ping^2: RFA (build): Avoid circular dependency
  - From: Joern Rennecke
- Re: Ping^2: RFA (build): Avoid circular dependency
  - From: Paolo Bonzini
- Re: Ping^2: RFA (build): Avoid circular dependency
  - From: Joern Rennecke
- Re: Ping^2: RFA (build): Avoid circular dependency
  - From: Paolo Bonzini
- Re: Ping^2: RFA (build): Avoid circular dependency
  - From: Joern Rennecke
- copying a timestamp (Was: Ping^2: RFA (build): Avoid circular dependency)
  - From: Joern Rennecke
- Re: copying a timestamp
  - From: Ralf Wildenhues
- Re: copying a timestamp
  - From: Joern Rennecke
- Re: copying a timestamp
  - From: Ralf Wildenhues
- RFA: avoid circular dependency (using doc/../doc) (Was: Re: copying a timestamp)
  - From: Joern Rennecke

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