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RE: Command Dependecies broken
From: |
Steven Allen |
Subject: |
RE: Command Dependecies broken |
Date: |
Fri, 28 Jun 2002 14:27:26 -0400 |
This seems to be a pretty fundumental cons problem to me. With this
dependecy bug, cons 2.3 is unusable, in my opinion.
It seems to boil down to the use of "content signatures" and "build
signatures", which was introduced in cons 2.3. Does any one know what the
goal was in splitting the 2.2 "signature" into these two pieces? What it
run time speed? (i.e an attempt to not spend so much time generated Md5
signatures?) If so, do you know what the two signatures are used for and
when?
I made a brief attempt at repair this bug, but without knowing what the goal
was, it's kinda hard to decide what to do. Reverting all signatures to just
the full signature causes everything to rebuild all the time.
SteveA
-----Original Message-----
From: Timothee Besset [mailto:address@hidden
Sent: Friday, June 28, 2002 4:41 AM
To: address@hidden
Subject: Re: Command Dependecies broken
It's very likely that the problems I reported about AfterBuild being broken
in earlier emails are related to that same bug.
TTimo
On Fri, 28 Jun 2002 10:19:51 +0200 (MEST)
Johan Holmberg <address@hidden> wrote:
>
> On Wed, 26 Jun 2002, Steven Allen wrote:
> >
> > Now I could imagine that cons thinks this is a itermediate file and
> > it doesn't need to be rebuilt, but it really isn't in this case. I
> > couldn't find anything in the man pages/FAQ stating that
> > intermediate files are not rebuilt. And if I say "cons foo.2", then
> > it is no longer an intermediate file... It is a target, and the the
> > target has changed!!!!
> >
>
> Another alarming example is (using 2.3.0 or the latest CVS):
>
> $ emacs foo.cpp # change the source file
> $ cons foo
> cc -c foo.cpp -o foo.o
> cc -o foo foo.o
> $
> $ cp foo.cpp foo # or any other change to the target
> $ cons foo
> cons.pl: "foo" is up-to-date.
> $
>
> I had no idea that the 2.3.0 (and later) version was so totally
> broken.
>
> (I have never used it regurlary)
>
> /Johan Holmberg
>
>
>
> _______________________________________________
> address@hidden http://mail.gnu.org/mailman/listinfo/cons-discuss
> Cons URL: http://www.dsmit.com/cons/
>
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