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[Emacs-bug-tracker] bug#8326: closed (can't override dvi: target, or oth
From: |
GNU bug Tracking System |
Subject: |
[Emacs-bug-tracker] bug#8326: closed (can't override dvi: target, or others with -local) |
Date: |
Tue, 29 Mar 2011 10:08:01 +0000 |
Your message dated Tue, 29 Mar 2011 12:07:22 +0200
with message-id <address@hidden>
and subject line Re: bug#8326: can't override dvi: target, or others with -local
has caused the GNU bug report #8326,
regarding can't override dvi: target, or others with -local
to be marked as done.
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8326: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8326
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--- Begin Message ---
Subject: |
can't override dvi: target, or others with -local |
Date: |
Wed, 23 Mar 2011 00:21:56 GMT |
Aside from the discussion in #8289 about alternatives to the hardwired
make dvi being run by make distcheck, there seems to be another problem,
namely putting a simple
dvi:
in a Makefile.am doesn't work to override the default rule. I get an
error like this:
doc/Makefile.am:12: user target `dvi' defined here...
automake: ... overrides Automake target `dvi' defined here
doc/Makefile.am:12: consider using dvi-local instead of dvi
Looking for the code that's enforcing this, I see in Rule.pm around line
this comment:
# -am targets listed in %dependencies support a -local
# variant. If the user tries to override TARGET or
# TARGET-am for which there exists a -local variant,
# just tell the user to use it.
But dvi-local does not suffice for the case at hand; that is, it can't
be used to avoid rebuilding the dvi, as far as I can see. Certainly
merely adding dvi-local: does nothing in particular. Is there another
way?
(Aside: I'm just curious, what can dvi-local actually be used for?
If there's a known use for it, I suggest mentioning it in the doc.)
As far as I can see, this behavior contradicts the documentation (node:
Extending), which simply says:
* As far as rules are concerned, a user-defined rule overrides any
`automake'-defined rule for the same target.
So my report is to suggest implementing that :). Perhaps there should
be a warning in case of such overrides, but a fatal "you can't do that"?
Else the doc should be changed.
At any rate, if there's a workaround to get a clean make distcheck with
a PDF-only manual with the currently released automake, we'd like to know.
Thanks,
Karl
--- End Message ---
--- Begin Message ---
Subject: |
Re: bug#8326: can't override dvi: target, or others with -local |
Date: |
Tue, 29 Mar 2011 12:07:22 +0200 |
User-agent: |
Mutt/1.5.20 (2010-08-04) |
Hi Karl, Stefano,
* Stefano Lattarini wrote on Wed, Mar 23, 2011 at 09:28:52PM CET:
> On Wednesday 23 March 2011, Karl Berry wrote:
> > (Aside: I'm just curious, what can dvi-local actually be used for?
> > If there's a known use for it, I suggest mentioning it in the doc.)
> >
> If there is a known use, I don't know it; sorry!
Well, say I have a LaTeX document and my own rules to build it. I want
DVI output of it to be available through 'make dvi', in addition to
Texinfo sources that also produce some DVI output (through the automake-
generated rules). Then I write
dvi-local: foo.dvi
foo.dvi: ...
...
Generally, the *-local rules are the default way to extend targets for
which automake provides rules. They all work the same way. Nothing
fancy here, but definitely useful.
> That's already implemented (well, almost -- it's not true for few special
> targets, like `all' and `check'; maybe we should fix this inconsistency?)
Yes; I actually have worked on these two targets (after it came up in
the gnu make discussions with Xan Lopez elsewhere) but am not done yet.
They are a bit nontrivial to fix.
I'm closing this bug as it seems to have been cleared up.
Thanks,
Ralf
--- End Message ---
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