Bug#843027: libc++abi-dev: fails to upgrade from 'testing' - trying to overwrite /usr/include/c++/v1/cxxabi.h

Andreas Beckmann anbe at debian.org
Thu Nov 3 09:18:59 UTC 2016

Package: libc++abi-dev
Version: 3.9.0-2
Severity: serious
User: debian-qa at lists.debian.org
Usertags: piuparts


during a test with piuparts I noticed your package fails to upgrade from
It installed fine in 'testing', then the upgrade to 'sid' fails
because it tries to overwrite other packages files without declaring a
Breaks+Replaces relation.

See policy 7.6 at

>From the attached log (scroll to the bottom...):

  Selecting previously unselected package libc++abi-dev:amd64.
  Preparing to unpack .../libc++abi-dev_3.9.0-2_amd64.deb ...
  Unpacking libc++abi-dev:amd64 (3.9.0-2) ...
  dpkg: error processing archive /var/cache/apt/archives/libc++abi-dev_3.9.0-2_amd64.deb (--unpack):
   trying to overwrite '/usr/include/c++/v1/cxxabi.h', which is also in package libc++-dev:amd64 3.5-2
  Processing triggers for libc-bin (2.19-18+deb8u6) ...
  Errors were encountered while processing:


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