[Bug 985842] Re: package gcc-4.4-base 4.4.7-1ubuntu2 failed to install/upgrade: './usr/share/doc/gcc-4.4-base/README.Debian.gz' is different from the same file on the system: removing the file fixes the issue

[Daniel Hartwig]

** Patch added: "r6092-arch-readme.patch"
   https://bugs.launchpad.net/ubuntu/+source/gcc-4.4/+bug/985842/+attachment/3364370/+files/r6092-arch-readme.patch

** Summary changed:

- package gcc-4.4-base 4.4.7-1ubuntu2 failed to install/upgrade: './usr/share/doc/gcc-4.4-base/README.Debian.gz' is different from the same file on the system: removing the file fixes the issue
+ package gcc-4.4-base 4.4.7-1ubuntu2: arch-specific README.Debian makes package not co-installable with itself

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Title:
  package gcc-4.4-base 4.4.7-1ubuntu2: arch-specific README.Debian makes
  package not co-installable with itself

Status in “gcc-4.4” package in Ubuntu:
  Fix Released
Status in “gcc-4.4” package in Debian:
  Unknown

Bug description:
  [Impact]

  The contents of README.Debian.gz are arch-specific (see debbugs
  #650102).  Even though it is Multi-Arch: same, the package
  gcc-4.4-base can not be co-installed with itself.

  The fix is renaming README.Debian to README.Debian.$(DEB_TARGET_ARCH).

  [Test Case]

  On Precise with amd64 and i386:

  # apt-get install -y gcc-4.4-base:amd64 gcc-4.4-base:i386
  …
  Unpacking replacement gcc-4.4-base ...
  dpkg: error processing /var/cache/apt/archives/gcc-4.4-base_4.4.7-1ubuntu2_amd64.deb (--unpack):
   './usr/share/doc/gcc-4.4-base/README.Debian.gz' is different from the same file on the system

  [Regression Potential]

  May invalidate existing references to the file.

  [Workaround]

  removing the file that the installer claimed had changed and then
  rerunning apt-get upgrade fixes the issue for me

  [Original Report]

  ProblemType: Package
  DistroRelease: Ubuntu 12.04
  Package: gcc-4.4-base 4.4.7-1ubuntu2
  ProcVersionSignature: Ubuntu 3.2.0-22.35-generic 3.2.14
  Uname: Linux 3.2.0-22-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu5
  Architecture: amd64
  Date: Thu Apr 19 12:19:46 2012
  Dependencies:

  DuplicateSignature:
   Unpacking replacement gcc-4.4-base ...
   dpkg: error processing /var/cache/apt/archives/gcc-4.4-base_4.4.7-1ubuntu2_amd64.deb (--unpack):
    './usr/share/doc/gcc-4.4-base/README.Debian.gz' is different from the same file on the system
  ErrorMessage: './usr/share/doc/gcc-4.4-base/README.Debian.gz' is different from the same file on the system
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
  SourcePackage: gcc-4.4
  Title: package gcc-4.4-base 4.4.7-1ubuntu2 failed to install/upgrade: './usr/share/doc/gcc-4.4-base/README.Debian.gz' is different from the same file on the system
  UpgradeStatus: No upgrade log present (probably fresh install)

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