[Bug 883269] Re: libstdc++6-*-dbg doesn't contain gdb Python hook

[Launchpad Bug Tracker]

This bug was fixed in the package gcc-4.6 - 4.6.2-6ubuntu1

---------------
gcc-4.6 (4.6.2-6ubuntu1) precise; urgency=low

  * Merge with Debian.
  * Linaro GCC 4.6 2011-12 changes not yet in Ubuntu:
    - Generic tuning support for Big-endian platforms.
    - SLP support for operations with arbitrary numbers of operands.
    - SLP support for conditions.
    - Pattern recognition support in basic-block SLP.
    - Enhancements to mixed-size condition pattern recognition.
    - Unaligned block-move support for ARMv7.
    - Added Cortex-A15 integer pipeline tuning.

gcc-4.6 (4.6.2-6) unstable; urgency=low

  * Update to SVN 20111208 (r182120) from the gcc-4_6-branch.
    - Fix PR c++/51265, PR bootstrap/50888, PR target/51393 (ix86),
      PR target/51002 (AVR), PR target/51345 (AVR), PR debug/48190,
      PR fortran/50684, PR fortran/51218, PR target/50906 (closes: #650318),
      PR tree-optimization/51315 (closes: #635126), PR tree-optimization/50622,
      PR fortran/51435, PR debug/51410, PR c/51339, PR rtl-optimization/48721,
      PR middle-end/51323 (LP: #897583), PR middle-end/50074,
      PR middle-end/50074.

  [ Matthias Klose ]
  * Run the libstdc++ testsuite on all architectures again. Closes: #622699.
  * Apply proposed patch for PR target/50906 (powerpcspe only). Closes: #650318.
  * Fix PR target/49030 (ARM), taken from Linaro. Closes: #633479.
  * Fix PR target/50193 (ARM), taken from Linaro. Closes: #642127.
  * Install the libstdc++.so-gdb.py file. LP: #883269.
  * Fix PR c++/50114, backport from trunk. LP: #827806.
  * Merge changes to allow gcc-snapshot cross builds, taken from Linaro.
  * Update the Linaro support to the 4.6 branch.

  [ Marcin Juszkiewicz ]
  * Fix issues with gcc-snapshot cross builds.
  * Allow building Linaro binary packages in a single package.
  * Apply hardening patches for cross builds when enabled for native builds.
 -- Matthias Klose <doko at ubuntu.com>   Thu, 08 Dec 2011 17:17:30 +0100

** Changed in: gcc-4.6 (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/883269

Title:
  libstdc++6-*-dbg doesn't contain gdb Python hook

Status in “gcc-4.4” package in Ubuntu:
  Invalid
Status in “gcc-4.5” package in Ubuntu:
  Fix Released
Status in “gcc-4.6” package in Ubuntu:
  Fix Released

Bug description:
  libstdc++6-4.6-dbg and other -dbg packages for libstdc++ include the
  new Python pretty printers for debugging STL classes under gdb.
  However, they don't get loaded automatically, and require manually
  modifying gdb's python's sys.path.

  The gcc-snapshot package contains /usr/lib/gcc-
  snapshot/lib/libstdc++.so.6.0.17-gdb.py, which causes the pretty
  printers to get autoloaded whenever gdb attaches to a process that
  links /usr/lib/gcc-snapshot/lib/libstdc++.so.6.0.17.

  libstdc++6-4.6-dbg appears to lack this file (which can go either next
  to the original library or next to the debug symbols under
  /usr/lib/debug), as do the -dbg packages for libstdc++ in other gcc
  versions available.

  In the gcc source packages, the gdb autoload file is generated in
  src/libstdc++-v3/python. The Makefile installs it next to the library,
  but I can't follow the gcc packaging well enough to suggest a patch
  for non-snapshot builds.

  The pretty printers make a huge difference in debugging C++ code that
  uses STL containers. It would be very helpful if these were loaded by
  default for non-snapshot builds of gcc.

  For other examples of auto-loaded debugging code, see python2.7-dbg
  (/usr/lib/debug/usr/lib/libpython2.7.so.1.0-gdb.py) and libglib2.0-dev
  (/usr/share/gdb/gdb/auto-load/libglib-2.0.so.0.3000.0-gdb.py and
  libgobject-2.0.so.0.3000.0-gdb.py)

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: libstdc++6-4.6-dbg 4.6.1-9ubuntu3
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
  Uname: Linux 3.0.0-12-generic x86_64
  ApportVersion: 1.23-0ubuntu3
  Architecture: amd64
  CheckboxSubmission: d27dbc9ce66475289526ca4b283ec487
  CheckboxSystem: bb422ca46d02494cdbc459927a98bc2f
  Date: Fri Oct 28 13:39:36 2011
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  SourcePackage: gcc-4.6
  UpgradeStatus: Upgraded to oneiric on 2011-09-18 (40 days ago)

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