https://svn.boost.org/trac10/ticket/13250 <p> See also ticket <a class="new ticket" href="https://svn.boost.org/trac10/ticket/12997" title="#12997: Bugs: bootstarp.bat MinGW failed to build boost engine (new)">#12997</a> </p> <p> Have successfully built several versions of boost going back about 2 years. Each build fails until I appropriately tweak the bootstrap and config scripts. For 1.65.1, the fix was pretty easy, requiring only a simply manual addition to </p> <p> ..tools/build/src/engine/config_toolset.bat </p> <p> Near the end of that script (the last toolset it checks) is mingw. Unfortunately, jam doesn't understand toolset mingw, so the toolset needs to be set to gcc. It doesn't work to call bootstrap.bat with gcc because then subsequent scripts assume either visual studior or msvc. The fix is to insert the line </p> <p> set "BOOST_JAM_TOOLSET=gcc" </p> <p> immediately after the line :Skip_INTEL_WIN32 </p> <p> then run b2 with toolset=gcc. </p> en-us /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/13250 Trac 1.4.3