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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
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<a name="jam.history"></a><a href="history.html" title="History">History</a>
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</h2></div></div></div>
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<div class="variablelist">
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<p class="title"><b></b></p>
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<dt><span class="term">3.1.15</span></dt>
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This release sees a variety of fixes for long standing Perforce/Jam problems.
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Most of them relating to running actions in parallel with the -jN option.
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The end result of the changes is that running parallel actions is now reliably
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possible in Unix and Windows environments. Many thanks to Noel for joining
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the effort, to implement and fix the Unix side of stuff.
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<div class="itemizedlist"><ul type="disc">
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<li>Add support for building bjam with pgi and pathscale toolsets. -- <span class="emphasis"><em>Noel
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<li>Implement running action commands through pipes (-p option)
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to fix jumbled output when using parallel execution with -j option. This
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is implemented for Unix variants, and Windows (Win32/NT). -- <span class="emphasis"><em>Rene
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R.</em></span>, <span class="emphasis"><em>Noel B.</em></span>
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<li>Add "sun" as alias
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to Sun Workshop compiler tools. -- <span class="emphasis"><em>Rene R.</em></span>
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in jam.h to 23k bytes for AIX. The piecemeal archive action was broken
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with the default MAXLINE of 102400. Because the AIX shell uses some of
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the 24k default buffer size for its own use, I reduced it to 23k. -- <span class="emphasis"><em>Noel
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<li>Make use of output dir options of msvc to not polute src
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dir with compiled files. -- <span class="emphasis"><em>Rene R.</em></span>
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-d+2 will always show the "real" commands being executed instead
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of casually the name of a temporary batch file. -- <span class="emphasis"><em>Roland S.</em></span>
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<li>Add test to check 'bjam -n'. -- <span class="emphasis"><em>Rene R.</em></span>
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check 'bjam -d2'. -- <span class="emphasis"><em>Rene R.</em></span>
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<li>Bring back missing output
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of -n option. The -o option continues to be broken as it has been for a
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long time now because of the @ file feature. -- <span class="emphasis"><em>Rene R.</em></span>
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<li>Update GC support to work with Boehm GC 7.0. -- <span class="emphasis"><em>Rene R.</em></span>
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<li>Revert the BOOST_BUILD_PATH change, since the directory passed to boost-build
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should be first in searched paths, else project local build system will
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not be picked correctly. The order had been changed to allow searching
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of alternate user-config.jam files from boost build. This better should
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be done with --user-config= switch or similar. -- <span class="emphasis"><em>Roland S.</em></span>
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<li>Initial support for defining action body from Python. -- <span class="emphasis"><em>Vladimir
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<li>Implement @() expansion during parse phase. -- <span class="emphasis"><em>Rene
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<li>Define OSPLAT var unconditionally, and more generically,
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when possible. -- <span class="emphasis"><em>Rene R.</em></span>
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<li>Fix undeclared INT_MAX on
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some platforms, i.e. Linux. -- <span class="emphasis"><em>Rene R.</em></span>
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<li>Modified execunix.c
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to add support for terminating processes that consume too much cpu or that
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hang and fail to consume cpu at all. This in support of the bjam -lx option.
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-- <span class="emphasis"><em>Noel B.</em></span>
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<li>Add internal dependencies for multi-file
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generating actions to indicate that the targets all only appear when the
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first target appears. This fixes the long standing problem Perforce/Jam
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has with multi-file actions and parallel execution (-jN). -- <span class="emphasis"><em>Rene
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<li>Add test of -l limit option now that it's implemented on
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windows and unix. -- <span class="emphasis"><em>Rene R.</em></span>
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<li>Add test for no-op @()
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expansion. -- <span class="emphasis"><em>Rene R.</em></span>
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<li>Handle invalid formats of @()
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as doing a straight substitution instead of erroring out. -- <span class="emphasis"><em>Rene
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<li>Various fixes to compile on SGI/Irix. -- <span class="emphasis"><em>Noel B.</em></span>
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<li>Add output for when actions timeout with -lN option. -- <span class="emphasis"><em>Rene
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R.</em></span>, <span class="emphasis"><em>Noel B.</em></span>
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<li>Add needed include (according
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to XOPEN) for definition of WIFEXITED and WEXITSTATUS. -- <span class="emphasis"><em>Markus
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