Hi I svn the boost file from the trunk version. <br>I get the following errors. <br><br>error: default build must be identical in all alternatives<br>error: main target is ./prg_exec_monitor<br>error: with &lt;link&gt;shared &lt;link&gt;static &lt;runtime-link&gt;shared &lt;runtime-link&gt;static<br>
&lt;threading&gt;multi &lt;threading&gt;single &lt;variant&gt;debug &lt;variant&gt;release<br>error: differing from previous default build &lt;link&gt;shared &lt;runtime-link&gt;shared &lt;<br>threading&gt;multi &lt;variant&gt;release<br>
C:/boost_1_34_1/tools/build/v2/build\targets.jam:450: in build-main-targets from<br>&nbsp;module object(project-target)@35<br>C:/boost_1_34_1/tools/build/v2/build\targets.jam:317: in main-target from module<br>&nbsp;object(project-target)@35<br>
C:/boost_1_34_1/tools/build/v2/build\targets.jam:375: in find-really from module<br>&nbsp;object(project-target)@35<br>C:/boost_1_34_1/tools/build/v2/build\targets.jam:408: in object(project-target)@<br>35.find from module object(project-target)@35<br>
C:/boost_1_34_1/tools/build/v2\build-system.jam:620: in load from module build-s<br>ystem<br>C:\boost_1_34_1\tools\build\v2/kernel\modules.jam:267: in import from module mod<br>ules<br>C:\boost_1_34_1\tools\build\v2/kernel/bootstrap.jam:132: in boost-build from mod<br>
ule<br>C:\boost_1_34_1\boost-build.jam:11: in module scope from module<br><br>the orginal 1.34.1 works for me.. this doesn&#39;t/ <br>