Hi, Any chance to support 16.2 (preview 1)? ********************************************************************** ** Visual Studio 2019 Developer Command Prompt v16.2.0-pre.1.0 ** Copyright (c) 2019 Microsoft Corporation ********************************************************************** C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview>cd \vc C:\VC>cd boost_1_70_0 C:\VC\boost_1_70_0>./boost '.' is not recognized as an internal or external command, operable program or batch file. C:\VC\boost_1_70_0>./bootstrap.bat '.' is not recognized as an internal or external command, operable program or batch file. C:\VC\boost_1_70_0>bootstrap.bat Building Boost.Build engine Failed to build Boost.Build engine. Please consult bootstrap.log for further diagnostics. bootstrap.log: Found with vswhere Visual Studio Locator version 2.6.7+91f4c1d09e [query version 2.1.1046.44959] Found with vswhere Visual Studio Locator version 2.6.7+91f4c1d09e [query version 2.1.1046.44959] ### ### Using 'vcunk' toolset. ### C:\VC\boost_1_70_0\tools\build\src\engine>if exist bootstrap rd /S /Q bootstrap C:\VC\boost_1_70_0\tools\build\src\engine>md bootstrap C:\VC\boost_1_70_0\tools\build\src\engine>cl /nologo /RTC1 /Zi /MTd /Fobootstrap/ /Fdbootstrap/ -DNT -DYYDEBUG -wd4996 kernel32.lib advapi32.lib user32.lib /Febootstrap\jam0 command.c compile.c constants.c debug.c execcmd.c execnt.c filent.c frames.c function.c glob.c hash.c hdrmacro.c headers.c jam.c jambase.c jamgram.c lists.c make.c make1.c object.c option.c output.c parse.c pathnt.c pathsys.c regexp.c rules.c scan.c search.c subst.c timestamp.c variable.c modules.c strings.c filesys.c builtins.c md5.c class.c cwd.c w32_getreg.c native.c modules/set.c modules/path.c modules/regex.c modules/property-set.c modules/sequence.c modules/order.c command.c compile.c constants.c debug.c execcmd.c execnt.c filent.c frames.c function.c glob.c hash.c hdrmacro.c headers.c jam.c jambase.c jamgram.c lists.c make.c make1.c object.c Generating Code... Compiling... option.c output.c parse.c pathnt.c pathsys.c regexp.c rules.c scan.c search.c subst.c timestamp.c variable.c modules.c strings.c filesys.c builtins.c md5.c class.c cwd.c w32_getreg.c Generating Code... Compiling... native.c set.c path.c regex.c property-set.c sequence.c order.c Generating Code... C:\VC\boost_1_70_0\tools\build\src\engine>.\bootstrap\jam0 -f build.jam --toolset=vcunk "--toolset-root=Visual Studio Locator version 2.6.7+91f4c1d09e [query version 2.1.1046.44959]\Common7\Tools\..\..\VC\ " clean ### ### Unknown toolset: vcunk ### ### Known toolsets are: acc, borland, cc, como, clang, darwin, gcc, gcc-nocygwin, intel-darwin, intel-linux, intel-win32, kcc, kylix, metrowerks, mipspro, msvc, qcc, pathscale, pgi, sun, sunpro, tru64cxx, vacpp, xlcpp, vc7, vc8, vc9, vc10, vc11, vc12, vc14, vc141, vc142, vmsdecc ### C:\VC\boost_1_70_0\tools\build\src\engine>.\bootstrap\jam0 -f build.jam --toolset=vcunk "--toolset-root=Visual Studio Locator version 2.6.7+91f4c1d09e [query version 2.1.1046.44959]\Common7\Tools\..\..\VC\ " ### ### Unknown toolset: vcunk ### ### Known toolsets are: acc, borland, cc, como, clang, darwin, gcc, gcc-nocygwin, intel-darwin, intel-linux, intel-win32, kcc, kylix, metrowerks, mipspro, msvc, qcc, pathscale, pgi, sun, sunpro, tru64cxx, vacpp, xlcpp, vc7, vc8, vc9, vc10, vc11, vc12, vc14, vc141, vc142, vmsdecc ### C:\VC\boost_1_70_0\tools\build\src\engine>exit /b 1 -- Olaf