Bug#163517: marked as done (libc6: provides/depends asymmetry when building "local" glibc versions)
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From: "Andreas Trottmann" <andreas.trottmann@werft22.com>
To: "Debian Bug Tracking System" <submit@bugs.debian.org>
Subject: libc6: provides/depends asymmetry when building "local" glibc
versions
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Date: Sun, 06 Oct 2002 15:21:35 +0200
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Sender: Andreas Trottmann <ftc@kreator.toc.aart.ch>
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Package: libc6
Version: 2.2.5-15
Severity: minor
Tags: patch
Hello People,
There is a mechanism in the debian/debver2localesdep.pl script which
presumably should make the dependency between libc6 and locales a bit
looser. Apparently, it is intended that "libc6-1.2.34-4.5.anything" can
be installed together with "libc6-1.2.34-4.5.anyotherthing". It seems
to have been introduced in version 2.2.5-2; the following changelog entry
documents it:
---
* Fix problem where a binary-NMU rebuild of libc would provide a version
that was incompatible with the current locales dep.
---
This is expressed by the following lines in debian/packages.d/libc.mk:
dpkg-gencontrol -isp -p$@ -P$(tmpdir)/$@ $(libc_control_flags) \
-DProvides="$(shell perl debian/debver2localesdep.pl $(DEBVERSION))"
Like this, the libc6 package of version 1.2.34-4.5.anything is made
to Provides: glibc-1.2.34-4.5
However, the corresponding Depends: line in the locales package still
depends on the full version: debian/packages.d/locales.mk shows
dpkg-gencontrol -isp -p$@ -P$(tmpdir)/$@ $($@_control_flags) \
-DDepends="glibc-$(DEBVERSION), debconf (>= 0.2.26)"
The following patch makes the "weakened" provides/depends situation for
locales symmetrical. Like this, also a locally rebuilt (or binary nmu...)
locales package can be installed together with the libc6 package from
the same build:
(the patch is to be applied in the debian/packages.d subdirectory)
--- locales.mk-orig 2002-10-06 12:40:15.000000000 +0200
+++ locales.mk 2002-10-06 12:40:37.000000000 +0200
@@ -44,7 +44,7 @@
perl -i -pe 'BEGIN {undef $$/; open(IN, "'"$(tmpdir)/$@$(datadir)/i18n/SUPPORTED"'"); $$j=<IN>;} s/__SUPPORTED_LOCALES__/$$j/g;' $(tmpdir)/$@/DEBIAN/config
dpkg-gencontrol -isp -p$@ -P$(tmpdir)/$@ $($@_control_flags) \
- -DDepends="glibc-$(DEBVERSION), debconf (>= 0.2.26)"
+ -DDepends="$(shell perl debian/debver2localesdep.pl $(DEBVERSION)), debconf (>= 0.2.26)"
chown -R root.root $(tmpdir)/$@
chmod -R go=rX $(tmpdir)/$@
dpkg --build $(tmpdir)/$@ ..
-- System Information:
Debian Release: testing/unstable
Architecture: i386
Kernel: Linux kreator 2.4.19-grsec #1 Mon Aug 5 21:24:47 CEST 2002 i686
Locale: LANG=de_CH.ISO8859-15, LC_CTYPE=de_CH.ISO8859-15
Versions of packages libc6 depends on:
ii libdb1-compat 2.1.3-6 The Berkeley database routines [gl
-- no debconf information
---------------------------------------
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Date: Sun, 6 Oct 2002 10:32:13 -0400
From: Ben Collins <bcollins@debian.org>
To: Andreas Trottmann <andreas.trottmann@werft22.com>,
163517-done@bugs.debian.org
Cc: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: Re: Bug#163517: libc6: provides/depends asymmetry when building "local" glibc versions
Message-ID: <[🔎] 20021006143213.GJ566@phunnypharm.org>
References: <[🔎] E17yBLk-0006hf-00@kreator.toc.aart.ch>
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> --- locales.mk-orig 2002-10-06 12:40:15.000000000 +0200
> +++ locales.mk 2002-10-06 12:40:37.000000000 +0200
> @@ -44,7 +44,7 @@
> perl -i -pe 'BEGIN {undef $$/; open(IN, "'"$(tmpdir)/$@$(datadir)/i18n/SUPPORTED"'"); $$j=<IN>;} s/__SUPPORTED_LOCALES__/$$j/g;' $(tmpdir)/$@/DEBIAN/config
>
> dpkg-gencontrol -isp -p$@ -P$(tmpdir)/$@ $($@_control_flags) \
> - -DDepends="glibc-$(DEBVERSION), debconf (>= 0.2.26)"
> + -DDepends="$(shell perl debian/debver2localesdep.pl $(DEBVERSION)), debconf (>= 0.2.26)"
> chown -R root.root $(tmpdir)/$@
> chmod -R go=rX $(tmpdir)/$@
> dpkg --build $(tmpdir)/$@ ..
This patch breaks binary-only NMU's, because they do not provide a
symetrical locales package (which is binary-all and isn't built for
binary-only builds).
If you want to build your own local version of glibc, take different
approach. For example, make the version 2:2.2.5-1 (note the epoch).
This relationship between locales/libc6 is too brittle already to worry
about local builds.
--
Debian - http://www.debian.org/
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