On Thu, Apr 4, 2019 at 4:28 PM Marshall Clow via Boost wrote:

As always, the release managers would appreciate it if you download the candidate of your choice and give building it a try. Please report both success and failure, and anything else that is noteworthy.

No joy.. Note I'm running 2019 Preview and I'd like to stay on the preview track. cmd: C:\VC\boost_1_70_0>bootstrap.bat Building Boost.Build engine 'cl' is not recognized as an internal or external command, operable program or batch file. Failed to build Boost.Build engine. Please consult bootstrap.log for further diagnostics. dev prompt: ********************************************************************** ** Visual Studio 2019 Developer Command Prompt v16.0.0-pre.5.0 ** Copyright (c) 2019 Microsoft Corporation ********************************************************************** C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview>cd /vc C:\VC>cd boost The system cannot find the path specified. C:\VC>cd boost_1_70_0 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 2.0.2250.60958] Found with vswhere Visual Studio Locator version 2.6.7+91f4c1d09e [query version 2.0.2250.60958] ### ### 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 2.0.2250.60958]\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 2.0.2250.60958]\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