I've noticed something similar. I&nbsp; got&nbsp; basically&nbsp; two sets of the same lib files. For example, <br><br>libboost_wserialization-vc80-mt-s.lib<br><br>is exactly the same file (not only size but also contents) as<br><br>libboost_wserialization-vc80-mt-s-1_33_1.lib<br><br>-- Hector C.<br><br><b><i>"Drumheller, Michael" &lt;michael.drumheller@boeing.com&gt;</i></b> wrote:<blockquote class="replbq" style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"> Dear Bjam Experts:<br><br>For some reason all my source files are getting compiled twice.  <br>Below is my Jamfile (stripped to its essentials, and names changed to<br>protect the innocent), and below that is the output (also stripped way<br>down).  Sorry for the clutter--I have tried to strip it down to the<br>minimum.<br><br>Notice how every .obj gets constructed twice.  Yet the destination path<br>(vc-7_1\release\threading-multi\ is the same in each case; also, I'm<br>also invoking bjam with
 precisely that target specified on the command<br>line.<br><br>Is there anything really obvious to bjam-adjusted eyes going on here?<br><br>Thank you very much.<br><br>Michael Drumheller<br><br>----------------------------------------------------------cut here:<br>Jamfile---------------------------------------<br>project-root ;<br>import python ;<br>include python.jam ;<br>FOOCORE_SOURCES = File1<br>                  File2 ;<br>FOOCORE_SOURCES = ..\\..\\src\\$(FOOCORE_SOURCES).cpp ;<br>lib Foo<br>:   $(FOOCORE_SOURCES)<br>:   <include>C:\\Boost\\include\\boost-1_32<br>    <vc-7_1>&lt;*&gt;<define>WIN32<br>    <include>..\\..\\src<br>    <include>C:\\Python24\\include<br>    <include>"C:\\Program Files\\Microsoft Visual Studio .NET<br>2003\\Vc7\\include"<br>;<br>----------------------------------------------------------cut here:<br>resulting output ---------------------------<br>06-02-26:12:22:26:boost/FooBar=&gt; bjam -sTOOLS=vc-7_1 "-sBUILD=release<br><threading>multi"<br>...found
 3088 targets...<br>...updating 142 targets...<br>vc-C++<br>./build\bin\FooBar\libFoo.lib\vc-7_1\release\threading-multi\File1.obj<br>File1.cpp<br>vc-C++<br>./build\bin\FooBar\libFoo.lib\vc-7_1\release\threading-multi\File2.obj<br>File2.cpp<br>...<snip>...<br>vc-Archive<br>./build\bin\FooBar\libFoo.lib\vc-7_1\release\threading-multi\libFoo.lib<br>Microsoft (R) Library Manager Version 7.10.3077<br>Copyright (C) Microsoft Corporation.  All rights reserved.<br><br>"./build\bin\FooBar\libFoo.lib\vc-7_1\release\threading-multi\File1.obj"<br><br>"./build\bin\FooBar\libFoo.lib\vc-7_1\release\threading-multi\File2.obj"<br><br>...<snip>...<br>vc-C++<br>./build\bin\FooBar\libFoo.lib\vc-7_1\release\threading-multi\File1.obj<br>File1.cpp<br>vc-C++<br>./build\bin\FooBar\libFoo.lib\vc-7_1\release\threading-multi\File2.obj<br>File2.cpp<br>...<snip>...<br>vc-Archive<br>./build\bin\FooBar\libFoo.lib\vc-7_1\release\threading-multi\libFoo.lib<br>Microsoft (R) Library Manager Version
 7.10.3077<br>Copyright (C) Microsoft Corporation.  All rights reserved.<br><br>"./build\bin\FooBar\libFoo.lib\vc-7_1\release\threading-multi\File1.obj"<br><br>"./build\bin\FooBar\libFoo.lib\vc-7_1\release\threading-multi\File2.obj"<br><br>...<snip>...<br><br>_______________________________________________<br>Boost-users mailing list<br>Boost-users@lists.boost.org<br>http://lists.boost.org/mailman/listinfo.cgi/boost-users<br></snip></snip></snip></snip></threading></include></include></include></define></vc-7_1></include></blockquote><br><BR><BR>----------------------------------<p>
		<hr size=1>Yahoo! Mail<br>
Bring photos to life! <a href="http://pa.yahoo.com/*http://us.rd.yahoo.com/evt=39174/*http://photomail.mail.yahoo.com">New PhotoMail </a> makes sharing a breeze.