Control: tag -1 + patch Hi, On Wed, 13 Jul 2016 18:52:32 +0200 Lucas Nussbaum <lucas@debian.org> wrote: > There are now packages in the archive relying on Build-Depends-Arch > (the botch package, at least). src:botch maintainer here. There is also src:fltk1.1, src:fltk1.3, src:libpsl, src:ncbi-tools6 and src:stk. In the past, also src:mplayer used to use it but that was reverted with the upload of 2:1.3.0-1. Though I don't think that how many packages are using Build-Depends-Arch already should not be a measure whether the field should be documented in policy because right now packages using it are facing several disadvantages like missing wanna-build support. This currently makes using the field a bad choice for Debian package maintainers. > This does not seem to raise issues. Yes it does. I just made a source-only upload of src:botch which specifies Build-Depends, Build-Depends-Indep and Build-Depends-Arch. It declares a Build-Depends-Arch on libdose3-ocaml-dev which is currently uninstallable in Debian unstable. Since wanna-build doesn't support Build-Depends-Arch the source package is repeatedly queued for compilation but the compilation fails each and every time because the build dependencies cannot be satisfied. What should instead happen is, that wanna-build detects that the build dependencies are not satisfiable and puts src:botch into bd-uninstallable. Right now, the endless retries lead to an infinite FTBFS loop of src:botch on each and every architecture. This wastes buildd time and spams my inbox with FTBFS emails. > It's not supported in the version of sbuild in stable, but is supposed in the > sbuild branch used on buildds. With my sbuild maintainer hat on: sbuild in unstable and testing, as well as sbuild in jessie-backports does support Build-Depends-Arch and I have no intention of dropping support for it. pbuilder seems to support it since version 0.222 which is not part of Jessie either but just as sbuild is in unstable, testing and jessie-backports. Lintian supports it since 2.5.15 which is in jessie, testing and unstable. Dpkg supports it since 1.16.10 which is in wheezy (!!), jessie, testing and unstable. Dose3 supports it since 3.3 which is in jessie, testing and unstable. I also volunteered to implement Build-Depends-Arch support for wanna-build but Aurélien Jarno informed me in #debian-buildd that such patches would only be merged if Debian Policy were changed to allow Build-Depends-Arch. Now as Jakub Wilk has pointed out, footnote 55 to to §7.7 reads: | There is no Build-Depends-Arch; this role is essentially met with | Build-Depends. Anyone building the build-indep and binary-indep targets is | assumed to be building the whole package, and therefore installation of all | build dependencies is required. | | The autobuilders use dpkg-buildpackage -B, which calls build, not build-arch | since it does not yet know how to check for its existence, and binary-arch. | The purpose of the original split between Build-Depends and | Build-Depends-Indep was so that the autobuilders wouldn't need to install | extra packages needed only for the binary-indep targets. But without a | build-arch/build-indep split, this didn't work, since most of the work is | done in the build target, not in the binary target. But this information is outdated now. dpkg-buildpackage -B now calls build-arch and dpkg-buildpackage -A calls build-indep. Furthermore, the build-arch and build-indep targets are considered mandatory by policy §4.9. Instead, I'd like to make a case for inclusion of Build-Depends-Arch and Build-Conflicts-Arch here: - the fields add symmetry to the existing Build-Depends-Indep and Build-Conflicts-Indep fields - the mapping of Build-*-Indep to the build-indep target makes one expect there to also be a Build-*-Arch field - this mapping also makes the proposed fields logical and well fitted without surprised - it will avoid installing useless dependencies for architecture dependent builds - it allows separation of build dependencies needed for build-indep and build-arch builds from those that are needed for (for example) the clean target - it is already supported by much software in the archive, most importantly it is supported by package builders and installability testers Please find attached a patch that documents Build-Depends-Arch and Build-Conflicts-Arch. Thanks! cheers, josch
From e917008ce295400781b8073bacb6e40162f99ce7 Mon Sep 17 00:00:00 2001
From: Johannes Schauer <josch@debian.org>
Date: Sun, 18 Sep 2016 09:09:12 +0200
Subject: [PATCH] Document Build-Depends-Arch and Build-Conflicts-Arch (closes:
#823910)
---
policy.sgml | 68 +++++++++++++++++++++++++++++--------------------------------
1 file changed, 32 insertions(+), 36 deletions(-)
diff --git a/policy.sgml b/policy.sgml
index 9cd182b..1b5ec35 100644
--- a/policy.sgml
+++ b/policy.sgml
@@ -505,8 +505,9 @@
must not require or recommend a package outside
of <em>main</em> for compilation or execution (thus, the
package must not declare a "Pre-Depends", "Depends",
- "Recommends", "Build-Depends", or "Build-Depends-Indep"
- relationship on a non-<em>main</em> package),
+ "Recommends", "Build-Depends", "Build-Depends-Indep",
+ or "Build-Depends-Arch" relationship on a non-<em>main</em>
+ package),
</item>
<item>
must not be so buggy that we refuse to support them,
@@ -4747,7 +4748,8 @@ fi
<p>
In the <tt>Depends</tt>, <tt>Recommends</tt>,
<tt>Suggests</tt>, <tt>Pre-Depends</tt>,
- <tt>Build-Depends</tt> and <tt>Build-Depends-Indep</tt>
+ <tt>Build-Depends</tt>, <tt>Build-Depends-Indep</tt> and
+ <tt>Build-Depends-Arch</tt>
control fields of the package, which declare
dependencies on other packages, the package names listed may
also include lists of alternative package names, separated
@@ -4815,7 +4817,8 @@ Depends: libc6 (>= 2.2.1), exim | mail-transport-agent
<p>
For build relationship fields
(<tt>Build-Depends</tt>, <tt>Build-Depends-Indep</tt>,
- <tt>Build-Conflicts</tt> and <tt>Build-Conflicts-Indep</tt>), if
+ <tt>Build-Depends-Arch</tt>, <tt>Build-Conflicts</tt>,
+ <tt>Build-Conflicts-Indep</tt> and <tt>Build-Conflicts-Arch</tt>), if
the current Debian host architecture is not in this list and
there are no exclamation marks in the list, or it is in the list
with a prepended exclamation mark, the package name and the
@@ -5306,7 +5309,8 @@ Build-Depends: foo [linux-any], bar [any-i386], baz [!linux-any]
<tt>Recommends</tt>, <tt>Suggests</tt>, <tt>Enhances</tt>,
<tt>Pre-Depends</tt>, <tt>Breaks</tt>, <tt>Conflicts</tt>,
<tt>Build-Depends</tt>, <tt>Build-Depends-Indep</tt>,
- <tt>Build-Conflicts</tt> and <tt>Build-Conflicts-Indep</tt>
+ <tt>Build-Depends-Arch</tt>, <tt>Build-Conflicts</tt>,
+ <tt>Build-Conflicts-Indep</tt> and <tt>Build-Conflicts-Arch</tt>
may mention "virtual packages".
</p>
@@ -5500,7 +5504,8 @@ Replaces: mail-transport-agent
<sect id="sourcebinarydeps">
<heading>Relationships between source and binary packages -
<tt>Build-Depends</tt>, <tt>Build-Depends-Indep</tt>,
- <tt>Build-Conflicts</tt>, <tt>Build-Conflicts-Indep</tt>
+ <tt>Build-Depends-Arch</tt>, <tt>Build-Conflicts</tt>,
+ <tt>Build-Conflicts-Indep</tt>, <tt>Build-Conflicts-Arch</tt>
</heading>
<p>
@@ -5511,8 +5516,9 @@ Replaces: mail-transport-agent
<p>
This is done using the <tt>Build-Depends</tt>,
- <tt>Build-Depends-Indep</tt>, <tt>Build-Conflicts</tt> and
- <tt>Build-Conflicts-Indep</tt> control fields.
+ <tt>Build-Depends-Indep</tt>, <tt>Build-Depends-Arch</tt>,
+ <tt>Build-Conflicts</tt>, <tt>Build-Conflicts-Indep</tt> and
+ <tt>Build-Conflicts-Arch</tt> control fields.
</p>
<p>
@@ -5523,41 +5529,31 @@ Replaces: mail-transport-agent
<p>
The dependencies and conflicts they define must be satisfied
(as defined earlier for binary packages) in order to invoke
- the targets in <tt>debian/rules</tt>, as follows:<footnote>
- <p>
- There is no Build-Depends-Arch; this role is essentially
- met with Build-Depends. Anyone building the
- <tt>build-indep</tt> and <tt>binary-indep</tt> targets is
- assumed to be building the whole package, and therefore
- installation of all build dependencies is required.
- </p>
- <p>
- The autobuilders use <tt>dpkg-buildpackage -B</tt>, which
- calls <tt>build</tt>, not <tt>build-arch</tt> since it does
- not yet know how to check for its existence, and
- <tt>binary-arch</tt>. The purpose of the original split
- between <tt>Build-Depends</tt> and
- <tt>Build-Depends-Indep</tt> was so that the autobuilders
- wouldn't need to install extra packages needed only for the
- binary-indep targets. But without a build-arch/build-indep
- split, this didn't work, since most of the work is done in
- the build target, not in the binary target.
- </p>
- </footnote>
+ the targets in <tt>debian/rules</tt>, as follows:
<taglist>
- <tag><tt>clean</tt>, <tt>build-arch</tt>, and
- <tt>binary-arch</tt></tag>
+ <tag><tt>clean</tt></tag>
<item>
Only the <tt>Build-Depends</tt> and <tt>Build-Conflicts</tt>
+ fields must be satisfied when this target is invoked.
+ </item>
+ <tag><tt>build-arch</tt>, and <tt>binary-arch</tt></tag>
+ <item>
+ The <tt>Build-Depends</tt>, <tt>Build-Conflicts</tt>,
+ <tt>Build-Depends-Arch</tt>, and <tt>Build-Conflicts-Arch</tt>
+ fields must be satisfied when these targets are invoked.
+ </item>
+ <tag><tt>build-indep</tt>, and <tt>binary-indep</tt></tag>
+ <item>
+ The <tt>Build-Depends</tt>, <tt>Build-Conflicts</tt>,
+ <tt>Build-Depends-Indep</tt>, and <tt>Build-Conflicts-Indep</tt>
fields must be satisfied when these targets are invoked.
</item>
- <tag><tt>build</tt>, <tt>build-indep</tt>, <tt>binary</tt>,
- and <tt>binary-indep</tt></tag>
+ <tag><tt>build</tt> and <tt>binary</tt></tag>
<item>
The <tt>Build-Depends</tt>, <tt>Build-Conflicts</tt>,
- <tt>Build-Depends-Indep</tt>, and
- <tt>Build-Conflicts-Indep</tt> fields must be satisfied when
- these targets are invoked.
+ <tt>Build-Depends-Indep</tt>, <tt>Build-Conflicts-Indep</tt>,
+ <tt>Build-Depends-Arch</tt>, and <tt>Build-Conflicts-Arch</tt>
+ fields must be satisfied when these targets are invoked.
</item>
</taglist>
</p>
--
2.9.3
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