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8.23. boost

Updated boost packages that fix several bugs and add one enhancement are now available for Red Hat Enterprise Linux 6.
The boost packages contain a large number of free peer-reviewed portable C++ source libraries. These libraries are suitable for tasks such as portable file-systems and time/date abstraction, serialization, unit testing, thread creation and multi-process synchronization, parsing, graphing, regular expression manipulation, and many others.

Bug Fixes

Due to the way the Python programming language was packaged for Red Hat Enterprise Linux, the boost packages could not be provided for secondary architectures. For example, boost-devel.i686 was not available on the x86-64 architecture. The Python packaging has been updated, and it is now possible to install secondary-architecture versions of the boost packages.
A coding error in the shared_ptr pointer previously caused a memory leak when serializing and unserializing shared pointers. The shared_ptr code has been corrected and the memory leak now no longer occurs.
Due to an error in threading configuration of GNU Compiler Collection (GCC) version 4.7 or later, Boost failed to detect the support for multithreading versions of GCC. This patch fixes the error and Boost now detects multithreading support in the described circumstances correctly.
Prior to this update, a number of boost libraries were not compatible with GCC provided with Red Hat Developer Toolset. A fix has been implemented to address this problem and the affected libraries now properly work with Red Hat Developer Toolset GCC.
The library was previously missing from the boost libraries. Consequently, using the Message Passing Interface (MPI) in combination with Python scripts failed. With this update, is included in the boost packages and using MPI with Python works as expected.
In addition, this update adds the following


The MPICH2 library has been replaced with a later version, MPICH 3.0. Note that Boost packaging has been updated accordingly and new packages are named boost-mpich* instead of boost-mpich2*.
Users of Boost are advised to upgrade to these updated packages, which fix these bugs and add this enhancement.