Hi,
Wookey wrote:
> Cyclic build-dependencies are a big problem in Debian, which make new
> ports very difficult, or rebuilds for other reasons such as hardware
> optimisations.
Thanks very much for working on this.
I'll let others talk about any thorny design issues. :) I just have
a couple of quick hints:
> --- dpkg-1.16.0.3.orig/scripts/Dpkg/Control/Fields.pm 2011-05-04
> 09:28:00.000000000 +0100
> +++ dpkg-1.16.0.3/scripts/Dpkg/Control/Fields.pm 2011-07-07
> 14:53:40.510189000 +0100
> @@ -73,10 +73,20 @@
> dependency => 'normal',
> dep_order => 1,
> },
> + 'Build-Depends-Stage1' => {
> + allowed => ALL_SRC,
> + dependency => 'normal',
> + dep_order => 1,
The dep_order values are all supposed to be distinct. I am not
sure how important the particular order is --- Raphaël, what
would go wrong if we just used alphabetical order to avoid this
particular maintenance hassle?
[...]
> +++ dpkg-1.16.0.3/scripts/dpkg-buildpackage.pl 2011-07-06
> 02:23:11.439824001 +0100
> @@ -122,6 +122,7 @@
[...]
> +my $buildstage = 0;
Where does this get set to nonzero?
[...]
> --- dpkg-1.16.0.3.orig/scripts/dpkg-checkbuilddeps.pl 2011-05-04
> 09:28:01.000000000 +0100
> +++ dpkg-1.16.0.3/scripts/dpkg-checkbuilddeps.pl 2011-07-06
> 02:46:05.039824002 +0100
> @@ -49,6 +49,8 @@
> retrieving them from control file
> --admindir=<directory>
> change the administrative directory.
> + --stage=<level>
> + use build-depends-stage level specified
Would be nice to document this in the manpage, too. See
http://bugs.debian.org/629480#35 for an example patch adding a
Build-Depends variant that covers its bases well.
A couple example tests, either in the form of simple commands I
can try that use equivs, or, even better, a patch against
git://git.debian.org/dpkg/pkg-tests.git
would be nice for ironing out the behavior (and acting as a surrogate
user that will notice and complain if it gets broken in the future).
I wonder if in some cases the stage1 package is already useful and
deserves its own name, but please don't take such musings seriously
until I have stared at a demo and had a chance to work out the pieces
I am missing.
Sincerely,
Jonathan
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