[Bug 873891] Re: package cpp 4:4.6.1-2ubuntu5 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 2

[Ricco Yu]

i kind of resolved this issue following these 3 steps:
1. remove the alternative "gcc" and "cpp" configuration
2. manually create symbolic links: "/usr/bin/gcc" and "/usr/bin/cpp"
3. continue with "apt-get upgrade"

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https://bugs.launchpad.net/bugs/873891

Title:
  package cpp 4:4.6.1-2ubuntu5 failed to install/upgrade: ErrorMessage:
  subprocess installed post-installation script returned error exit
  status 2

Status in “gcc-defaults” package in Ubuntu:
  Incomplete

Bug description:
  this issue occored when I upgraded ubuntu from natty to oneiric.

  ProblemType: Package
  DistroRelease: Ubuntu 11.10
  Package: cpp 4:4.6.1-2ubuntu5
  ProcVersionSignature: Ubuntu 2.6.38-11.50-generic 2.6.38.8
  Uname: Linux 2.6.38-11-generic x86_64
  ApportVersion: 1.23-0ubuntu3
  Architecture: amd64
  Date: Fri Oct 14 14:50:48 2011
  ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 2
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  SourcePackage: gcc-defaults
  Title: package cpp 4:4.6.1-2ubuntu5 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 2
  UpgradeStatus: Upgraded to oneiric on 2011-10-14 (0 days ago)

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