Your message dated Sat, 09 Jul 2011 15:33:29 +0000
with message-id <e1qfzx7-0007or...@franck.debian.org>
and subject line Bug#630853: fixed in gcc-defaults 1.106
has caused the Debian Bug report #630853,
regarding cpp: multi-arch: foreign or multi-arch: allowed?
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact ow...@bugs.debian.org
immediately.)
--
630853: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=630853
Debian Bug Tracking System
Contact ow...@bugs.debian.org with problems
--- Begin Message ---
Package: cpp
Version: 4:4.6.0-6
Severity: wishlist
Usertags: multiarch
Hi there,
The cpp metapackage has certain reverse-dependencies which, in the multiarch
world, need to be coinstallable (e.g., -dev packages like libregina3-dev and
xutils-dev). To support this, cpp needs to be tagged either Multi-Arch:
foreign, or Multi-Arch: allowed.
Upon consideration, I think Multi-Arch: foreign is ok here. The interface
that cpp provides to its reverse-deps is always an exec() interface of
course, rather than a library interface, which normally would be enough to
qualify for Multi-Arch: foreign. But here there's also the factor that cpp
provides /usr/bin/$target-cpp, only for the given architecture. Could an
arch-dependent package that depends on cpp be assuming the availability of
/usr/bin/$target-cpp for its own arch? Or, coming from the other side,
cpp's preprocessing behavior is architecture independent but its header
search paths are not. Could accidentally installing a foreign arch version
of cpp break native packages that depend on it finding the native headers?
I believe we're safe from both.
We're safe from the first because the only case I know of where cpp will be
invoked as $target-cpp is when a package is being cross-built (either
because it's actually being cross-built, or because of a mis-invocation of
autoconf that sets things up for a cross-build instead of a native build).
In that case, you almost certainly aren't going to get very far with
cross-cpp, you need a cross-compiler as well; and if you have the
cross-compiler correctly installed and configured, it will almost certainly
come with (or depend on) cross-cpp, so no harm done.
We're safe from the second because again, nobody uses cpp by itself as a
toolchain that cares about system headers - they use it together with a
compiler. And the compiler has this dependency graph:
gcc ---Depends--> cpp
| \
Depends Depends
| \
V V
gcc-4.x --Depends--> cpp-4.x
So since none of the other packages in this graph are Multi-Arch: foreign,
installing a foreign-arch cpp package would require installing foreign-arch
versions of all the others - breaking any dependencies on gcc by a
native-arch package.
If you agree with the above reasoning, please make cpp Multi-Arch: foreign.
If you see flaws in my reasoning, please make cpp Multi-Arch: allowed
instead, and let me know what my error is. :)
Thanks,
--
Steve Langasek Give me a lever long enough and a Free OS
Debian Developer to set it on, and I can move the world.
Ubuntu Developer http://www.debian.org/
slanga...@ubuntu.com vor...@debian.org
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Description: Digital signature
--- End Message ---
--- Begin Message ---
Source: gcc-defaults
Source-Version: 1.106
We believe that the bug you reported is fixed in the latest version of
gcc-defaults, which is due to be installed in the Debian FTP archive:
cpp_4.6.1-1_amd64.deb
to main/g/gcc-defaults/cpp_4.6.1-1_amd64.deb
g++-multilib_4.6.1-1_amd64.deb
to main/g/gcc-defaults/g++-multilib_4.6.1-1_amd64.deb
g++_4.6.1-1_amd64.deb
to main/g/gcc-defaults/g++_4.6.1-1_amd64.deb
gcc-defaults_1.106.dsc
to main/g/gcc-defaults/gcc-defaults_1.106.dsc
gcc-defaults_1.106.tar.gz
to main/g/gcc-defaults/gcc-defaults_1.106.tar.gz
gcc-multilib_4.6.1-1_amd64.deb
to main/g/gcc-defaults/gcc-multilib_4.6.1-1_amd64.deb
gcc_4.6.1-1_amd64.deb
to main/g/gcc-defaults/gcc_4.6.1-1_amd64.deb
gccgo-multilib_4.6.1-1_amd64.deb
to main/g/gcc-defaults/gccgo-multilib_4.6.1-1_amd64.deb
gccgo_4.6.1-1_amd64.deb
to main/g/gcc-defaults/gccgo_4.6.1-1_amd64.deb
gcj-jdk_4.6.1-1_amd64.deb
to main/g/gcc-defaults/gcj-jdk_4.6.1-1_amd64.deb
gcj-jre-headless_4.6.1-1_amd64.deb
to main/g/gcc-defaults/gcj-jre-headless_4.6.1-1_amd64.deb
gcj-jre_4.6.1-1_amd64.deb
to main/g/gcc-defaults/gcj-jre_4.6.1-1_amd64.deb
gdc_4.4.6-1_amd64.deb
to main/g/gcc-defaults/gdc_4.4.6-1_amd64.deb
gfortran-multilib_4.6.1-1_amd64.deb
to main/g/gcc-defaults/gfortran-multilib_4.6.1-1_amd64.deb
gfortran_4.6.1-1_amd64.deb
to main/g/gcc-defaults/gfortran_4.6.1-1_amd64.deb
gobjc++-multilib_4.6.1-1_amd64.deb
to main/g/gcc-defaults/gobjc++-multilib_4.6.1-1_amd64.deb
gobjc++_4.6.1-1_amd64.deb
to main/g/gcc-defaults/gobjc++_4.6.1-1_amd64.deb
gobjc-multilib_4.6.1-1_amd64.deb
to main/g/gcc-defaults/gobjc-multilib_4.6.1-1_amd64.deb
gobjc_4.6.1-1_amd64.deb
to main/g/gcc-defaults/gobjc_4.6.1-1_amd64.deb
libgcj-bc_4.6.1-1_amd64.deb
to main/g/gcc-defaults/libgcj-bc_4.6.1-1_amd64.deb
libgcj-common_4.4.6-1_all.deb
to main/g/gcc-defaults/libgcj-common_4.4.6-1_all.deb
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to 630...@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Matthias Klose <d...@debian.org> (supplier of updated gcc-defaults package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmas...@debian.org)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.8
Date: Sat, 09 Jul 2011 15:59:53 +0200
Source: gcc-defaults
Binary: cpp g++ g++-multilib gobjc gobjc-multilib gobjc++ gobjc++-multilib
gfortran gfortran-multilib gccgo gccgo-multilib libgcj-common libgcj-bc gcj-jdk
gcj-jre-headless gcj-jre gcc gcc-multilib gdc gcc-spu g++-spu gfortran-spu
Architecture: source all amd64
Version: 1.106
Distribution: unstable
Urgency: low
Maintainer: Debian GCC Maintainers <debian-gcc@lists.debian.org>
Changed-By: Matthias Klose <d...@debian.org>
Description:
cpp - GNU C preprocessor (cpp)
g++ - GNU C++ compiler
g++-multilib - GNU C++ compiler (multilib files)
g++-spu - SPU cross-compiler (C++ compiler)
gcc - GNU C compiler
gcc-multilib - GNU C compiler (multilib files)
gcc-spu - SPU cross-compiler (preprocessor and C compiler)
gccgo - Go compiler, based on the GCC backend
gccgo-multilib - Go compiler, based on the GCC backend (multilib files)
gcj-jdk - gcj and classpath development tools for Java(TM)
gcj-jre - Java runtime environment using GIJ/classpath
gcj-jre-headless - Java runtime environment using GIJ/classpath (headless
version)
gdc - D compiler, based on the GCC backend
gfortran - GNU Fortran 95 compiler
gfortran-multilib - GNU Fortran 95 compiler (multilib files)
gfortran-spu - SPU cross-compiler (Fortran compiler)
gobjc - GNU Objective-C compiler
gobjc++ - GNU Objective-C++ compiler
gobjc++-multilib - GNU Objective-C++ compiler (multilib files)
gobjc-multilib - GNU Objective-C compiler (multilib files)
libgcj-bc - Link time only library for use with gcj
libgcj-common - Java runtime library (common files)
Closes: 568299 630853 633073
Changes:
gcc-defaults (1.106) unstable; urgency=low
.
* Bump GCC 4.6 versions to 4.6.1.
* Bump GCC 4.4 versions to 4.4.6.
* Default to 4.6 for sh4 (Nobuhiro Iwamatsu). Closes: #633073.
* Default to 4.6 for ia64 (email exchange with Bdale Garbee).
* Default to 4.6 for sparc64 (Aurelian Jarno).
* Default to 4.6 for sparc. Last "supported" architecture in Debian
using GCC 4.4, but unmaintained by the Debian GCC maintainers.
* Make cpp Multi-Arch: allowed. Closes: #630853.
* cpp: Don't call update-alternatives on upgrade. Closes: #568299.
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