[Pkg-electronics-devel] Bug#644139: libgts-dev and pcb-common: error when trying to install together

[Ralf Treinen]

Package: pcb-common,libgts-dev
Version: pcb-common/20110918-2
Version: libgts-dev/0.7.6+darcs110121-1.1
Severity: serious
User: treinen at debian.org
Usertags: edos-file-overwrite

Date: 2011-10-03
Architecture: amd64
Distribution: sid

Hi,

automatic installation tests of packages that share a file and at the
same time do not conflict by their package dependency relationships has
detected the following problem:


WARNING: The following packages cannot be authenticated!
  libkeyutils1 libkrb5support0 libk5crypto3 libkrb5-3 libgssapi-krb5-2
  libpcre3 libglib2.0-0 libatk1.0-data libatk1.0-0 libavahi-common-data
  libavahi-common3 libdbus-1-3 libavahi-client3 libcups2 libdatrie1 libdrm2
  libexpat1 libfreetype6 ucf ttf-dejavu-core fontconfig-config libfontconfig1
  libjpeg8 libjasper1 libpng12-0 libtiff4 libxau6 libxdmcp6 libxcb1
  libx11-data libx11-6 libgdk-pixbuf2.0-0 libglapi-mesa libxfixes3 libxdamage1
  libxext6 libxxf86vm1 libgl1-mesa-glx libglu1-mesa libgtk2.0-common
  libpixman-1-0 libxcb-render0 libxcb-shm0 libxrender1 libcairo2 libthai-data
  libthai0 libxft2 fontconfig libpango1.0-0 libxcomposite1 libxcursor1 libxi6
  libxinerama1 libxrandr2 libxml2 shared-mime-info libgtk2.0-0 x11-common
  libice6 libsm6 libxss1 libxt6 m4 libc-dev-bin linux-libc-dev libc6-dev
  libxpm4 libgd2-xpm libglib2.0-data libglib2.0-bin pkg-config zlib1g-dev
  libglib2.0-dev libxmu6 libgtkglext1 libgts-0.7-5 libgts-dev tcl8.5 tk8.5
  pcb-gtk pcb-common

Extracting templates from packages: 36%
Extracting templates from packages: 73%
Extracting templates from packages: 100%
Preconfiguring packages ...
Authentication warning overridden.
Can not write log, openpty() failed (/dev/pts not mounted?)
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dpkg: error processing /var/cache/apt/archives/pcb-common_20110918-2_all.deb (--unpack):
 trying to overwrite '/usr/include/gts.h', which is also in package libgts-dev 0.7.6+darcs110121-1.1
configured to not write apport reports
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Processing triggers for man-db ...
Processing triggers for install-info ...
Errors were encountered while processing:
 /var/cache/apt/archives/pcb-common_20110918-2_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)


This is a serious bug as it makes installation fail, and violates
sections 7.6.1 and 10.1 of the policy. An optimal solution would
consist in only one of the packages installing that file, and renaming
or removing the file in the other package. Depending on the
circumstances you might also consider Replace relations or file
diversions. If the conflicting situation cannot be resolved then, as a
last resort, the two packages have to declare a mutual
Conflict. Please take into account that Replaces, Conflicts and
diversions should only be used when packages provide different
implementations for the same functionality.

Here is a list of files that are known to be shared by both packages
(according to the Contents file for sid/amd64, which may be
slightly out of sync):

  /usr/include/gts.h

This bug is assigned to both packages. If you, the maintainers of
the two packages in question, have agreed on which of the packages will
resolve the problem please reassign the bug to that package. You may
also register in the BTS that the other package is affected by the bug.

-Ralf.

PS: for more information about the detection of file overwrite errors
of this kind see http://edos.debian.net/file-overwrites/.