Bug#202873: [Build-common-hackers] Bug#202873: cdbs: Please add support for dh-buildinfo

Jonas Smedegaard dr at jones.dk
Wed Jun 7 17:47:44 UTC 2006

On Tue, 6 Jun 2006 23:10:36 +0200 Peter Eisentraut wrote:

> Jonas Smedegaard wrote:
> > Attached is the cdbs snippet I already use and have used for some
> > time now. It invokes dh_buildinfo as late as possible (we only want
> > it for inclusion in actual packaging - not while iterating over
> > other build issues locally), and makes sure to only invoke once.
> I'm curious to know how this will actually create the stamp file that
> it seems to be hoping for:
> debian/stamp-buildinfo:
> 	dh_buildinfo
> I'm not really sure that a stamp file would be need at all, but maybe 
> I'm not understanding the behavior of this tool correctly.


You are right, of course: that the stamp is never created.

Probably I used a custom make target with a (later?) package-specific
rule depending on it, and then at some point moved to the current setup
but forgot to remove the now unnecessary cleanup. I'll check, and
simplify the snippet if that's the case.

> My general feeling on dh-buildinfo is quite mixed.  On the one hand,
> if people want it, we can provide it.  (The fact that half the
> packages using it are maintained by you kind of skews the
> survey. :) )  On the other hand, the whole thing seems to be kind of
> unmaintained and doesn't even have a man page that explains the
> options.

Oh, I really thought (without investigating) that the too was more used
than that.

The reason I include it for all of my packages is for the theoretical
case of getting a bugreport reproducable with the same exact binary
package but not recompiles from current sid/etch/sarge: dh_buildinfo
would then help find out which *exact* packages was on the system when
that binary package was produced, helping to locate possible errors in
dependency library packages. I have never actually needed the output of
dh_buildinfo, but I still find it valuable - in case someone some day
wants to investigate further.

Hope that clarifies the usefulnes of dh-buildinfo.

 - Jonas

* Jonas Smedegaard - idealist og Internet-arkitekt
* Tlf.: +45 40843136  Website: http://dr.jones.dk/

 - Enden er nær: http://www.shibumi.org/eoti.htm
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