[Build-common-hackers] duplicate cdbs expansion in @cdbs@

[Jonas Smedegaard]

On Wed, Jan 12, 2011 at 05:50:23PM +0100, IOhannes m zmoelnig wrote:
>i haven't filed a bug-report yet, but wanted to bring this to our 
>attention:
>
>using
>$ DEB_MAINTAINER_MODE=yes debian/rules clean
>i rebuild my debian/control.in file which contains a @cdbs@
>build-dependency.
>
>this is how @cdbs@ is expanded:
>Build-Depends: cdbs (>= 0.4.70~),
> gnulib,
> cdbs (>= 0.4.85),
> debhelper (>= 7.0.1),
> dh-buildinfo,
> libtool,
> automake1.10,
> autoconf,
> quilt,
> patchutils (>= 0.2.25),
> cdbs (>= 0.4.27),
> devscripts (>= 2.10.7~),
>
>as you can see, there are 3 build-depends on "cdbs" with varying version
>numbers.
>
>the included snippets are
><snip>
>include /usr/share/cdbs/1/rules/upstream-tarball.mk
>include /usr/share/cdbs/1/rules/debhelper.mk
>include /usr/share/cdbs/1/class/autotools.mk
>include /usr/share/cdbs/1/rules/patchsys-quilt.mk
>include /usr/share/cdbs/1/rules/utils.mk
></snip>
>
>this all happened with cdbs-0.4.90
>(i updated to 0.4.90 after 0.4.89 gave my 2 build-depends on "cdbs" :-))


One of them - 0.4.85 - will be fixed in the upcoming 0.4.91.

The other - 0.4.27 - is caused by quilt snippet not part of cdbs.

I haven't bothered to file a bugreport against quilt - I just use it as 
a reminder to switch to source 3.0 (quilt).  But feel free to do that 
yourself.

What should be changed is a) declare the dependency with ?= (not := ) 
and an indirect variable to allow suppression.

Also, it might make sense to relax to depend unversioned on cdbs, since 
0.4.27 is provided even in oldstable.

...or even better: Join CDBS and maintain the snippet there, to ease 
coordinate improvements like that across all snippets.


   - Jonas

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

   [x] quote me freely  [ ] ask before reusing  [ ] keep private
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