This is rather strange. I have downloaded boost 1.66 and can build Boost.Build engine. But building the libs fails.

The full output is here:

https://pastebin.com/raw/mRriQDvq

Here is what I'm seeing:

**********************************************************************
** Visual Studio 2017 Developer Command Prompt v15.5.2
** Copyright (c) 2017 Microsoft Corporation
**********************************************************************
[vcvarsall.bat] Environment initialized for: 'x64'

C:\Users\chhenning\source>d:

D:\>cd boost

D:\boost>.\bootstrap.bat
Building Boost.Build engine

Bootstrapping is done. To build, run:

    .\b2

To adjust configuration, edit 'project-config.jam'.
Further information:

    - Command line help:
    .\b2 --help

    - Getting started guide:
    http://boost.org/more/getting_started/windows.html

    - Boost.Build documentation:
    http://www.boost.org/build/doc/html/index.html

D:\boost>b2 -j8 --toolset=msvc variant=release link=static runtime-link=shared address-model=64 define=_CRT_NONSTDC_NO_DEPRECATE define=_CRT_SECURE_NO_DEPRECATE define=_SCL_SECURE_NO_DEPRECATE define=_SECURE_SCL=0 define=_HAS_ITERATOR_DEBUGGING=0 define=BOOST_REGEX_MATCH_EXTRA stage
Performing configuration checks

    - 32-bit                   : no  (cached)
    - 64-bit                   : no  (cached)
    - arm                      : no  (cached)
    - mips1                    : no  (cached)
    - power                    : no  (cached)
    - sparc                    : no  (cached)
    - x86                      : no  (cached)
    - combined                 : no  (cached)
    - symlinks supported       : no  (cached)
    - junctions supported      : yes (cached)
    - hardlinks supported      : yes (cached)
error: No best alternative for libs/context/build/asm_sources
    next alternative: required properties: <abi>aapcs <address-model>32 <architecture>arm <binary-format>elf <threading>multi <toolset>clang
        not matched
    next alternative: required properties: <abi>aapcs <address-model>32 <architecture>arm <binary-format>elf <threading>multi <toolset>gcc
        not matched
    next alternative: required properties: <abi>aapcs <address-model>32 <architecture>arm <binary-format>elf <threading>multi <toolset>qcc
        not matched
    next alternative: required properties: <abi>aapcs <address-model>32 <architecture>arm <binary-format>mach-o <threading>multi <toolset>clang
        not matched
    next alternative: required properties: <abi>aapcs <address-model>32 <architecture>arm <binary-format>mach-o <threading>multi <toolset>darwin
        not matched
    next alternative: required properties: <abi>aapcs <address-model>32 <architecture>arm <binary-format>pe <threading>multi <toolset>msvc
        not matched
    next alternative: required properties: <abi>aapcs <address-model>64 <architecture>arm <binary-format>elf <threading>multi <toolset>clang
        not matched
    next alternative: required properties: <abi>aapcs <address-model>64 <architecture>arm <binary-format>elf <threading>multi <toolset>gcc
        not matched
    next alternative: required properties: <abi>aapcs <address-model>64 <architecture>arm <binary-format>mach-o <threading>multi <toolset>clang
        not matched
    next alternative: required properties: <abi>aapcs <address-model>64 <architecture>arm <binary-format>mach-o <threading>multi <toolset>darwin
        not matched
    next alternative: required properties: <abi>o32 <address-model>32 <architecture>mips1 <binary-format>elf <threading>multi <toolset>clang
        not matched
    next alternative: required properties: <abi>o32 <address-model>32 <architecture>mips1 <binary-format>elf <threading>multi <toolset>gcc
        not matched
    next alternative: required properties: <abi>sysv <address-model>32 <architecture>power <binary-format>elf <threading>multi <toolset>clang
        not matched
    next alternative: required properties: <abi>sysv <address-model>32 <architecture>power <binary-format>elf <threading>multi <toolset>clang
        not matched
    next alternative: required properties: <abi>sysv <address-model>32 <architecture>power <binary-format>mach-o <threading>multi <toolset>darwin
        not matched
    next alternative: required properties: <abi>sysv <address-model>32 <architecture>power <binary-format>xcoff <threading>multi <toolset>clang
        not matched
    next alternative: required properties: <abi>sysv <address-model>32 <architecture>power <binary-format>xcoff <threading>multi <toolset>gcc
        not matched
    next alternative: required properties: <abi>sysv <address-model>64 <architecture>power <binary-format>elf <threading>multi <toolset>clang
        not matched
    next alternative: required properties: <abi>sysv <address-model>64 <architecture>power <binary-format>elf <threading>multi <toolset>gcc
        not matched
    next alternative: required properties: <abi>sysv <address-model>64 <architecture>power <binary-format>mach-o <threading>multi <toolset>clang
        not matched
    next alternative: required properties: <abi>sysv <address-model>64 <architecture>power <binary-format>mach-o <threading>multi <toolset>darwin
        not matched
    next alternative: required properties: <abi>sysv <address-model>64 <architecture>power <binary-format>xcoff <threading>multi <toolset>clang
        not matched
    next alternative: required properties: <abi>sysv <address-model>64 <architecture>power <binary-format>xcoff <threading>multi <toolset>gcc
        not matched
    next alternative: required properties: <abi>sysv <address-model>32_64 <architecture>power <binary-format>mach-o <threading>multi
        not matched
    next alternative: required properties: <abi>sysv <address-model>32 <architecture>x86 <binary-format>elf <threading>multi <toolset>clang
        not matched
    next alternative: required properties: <abi>sysv <address-model>32 <architecture>x86 <binary-format>elf <threading>multi <toolset>gcc
        not matched
    next alternative: required properties: <abi>sysv <address-model>32 <architecture>x86 <binary-format>elf <threading>multi <toolset>intel
        not matched
    next alternative: required properties: <abi>sysv <address-model>32 <architecture>x86 <binary-format>mach-o <threading>multi <toolset>clang
        not matched
    next alternative: required properties: <abi>sysv <address-model>32 <architecture>x86 <binary-format>mach-o <threading>multi <toolset>darwin
        not matched
    next alternative: required properties: <abi>ms <address-model>32 <architecture>x86 <binary-format>pe <threading>multi <toolset>clang
        not matched
    next alternative: required properties: <abi>ms <address-model>32 <architecture>x86 <binary-format>pe <threading>multi <toolset>clang-win
        not matched
    next alternative: required properties: <abi>ms <address-model>32 <architecture>x86 <binary-format>pe <threading>multi <toolset>gcc
        not matched
    next alternative: required properties: <abi>ms <address-model>32 <architecture>x86 <binary-format>pe <threading>multi <toolset>intel
        not matched
    next alternative: required properties: <abi>ms <address-model>32 <architecture>x86 <binary-format>pe <threading>multi <toolset>msvc
        not matched
    next alternative: required properties: <abi>sysv <address-model>64 <architecture>x86 <binary-format>elf <threading>multi <toolset>clang
        not matched
    next alternative: required properties: <abi>sysv <address-model>64 <architecture>x86 <binary-format>elf <threading>multi <toolset>gcc
        not matched
    next alternative: required properties: <abi>sysv <address-model>64 <architecture>x86 <binary-format>elf <threading>multi <toolset>intel
        not matched
    next alternative: required properties: <abi>sysv <address-model>64 <architecture>x86 <binary-format>mach-o <threading>multi <toolset>clang
        not matched
    next alternative: required properties: <abi>sysv <address-model>64 <architecture>x86 <binary-format>mach-o <threading>multi <toolset>darwin
        not matched
    next alternative: required properties: <abi>sysv <address-model>64 <architecture>x86 <binary-format>mach-o <threading>multi <toolset>intel
        not matched
    next alternative: required properties: <abi>ms <address-model>64 <architecture>x86 <binary-format>pe <threading>multi <toolset>clang
        not matched
    next alternative: required properties: <abi>ms <address-model>64 <architecture>x86 <binary-format>pe <threading>multi <toolset>clang-win
        not matched
    next alternative: required properties: <abi>ms <address-model>64 <architecture>x86 <binary-format>pe <threading>multi <toolset>gcc
        not matched
    next alternative: required properties: <abi>ms <address-model>64 <architecture>x86 <binary-format>pe <threading>multi <toolset>intel
        not matched
    next alternative: required properties: <abi>ms <address-model>64 <architecture>x86 <binary-format>pe <threading>multi <toolset>msvc
        not matched
    next alternative: required properties: <abi>x32 <address-model>64 <architecture>x86 <binary-format>elf <threading>multi <toolset>clang
        not matched
    next alternative: required properties: <abi>x32 <address-model>64 <architecture>x86 <binary-format>elf <threading>multi <toolset>gcc
        not matched
    next alternative: required properties: <abi>x32 <address-model>64 <architecture>x86 <binary-format>elf <threading>multi <toolset>intel
        not matched
    next alternative: required properties: <abi>sysv <address-model>32_64 <architecture>x86 <binary-format>mach-o <threading>multi
        not matched
    next alternative: required properties: <abi>sysv <architecture>combined <binary-format>mach-o <threading>multi
        not matched
    - C++11 mutex              : no  (cached)
    - Boost.Config Feature Check: cxx11_auto_declarations : no  (cached)
    - Boost.Config Feature Check: cxx11_constexpr : no  (cached)
    - Boost.Config Feature Check: cxx11_defaulted_functions : no  (cached)
    - Boost.Config Feature Check: cxx11_final : no  (cached)
    - Boost.Config Feature Check: cxx11_hdr_mutex : no  (cached)
    - Boost.Config Feature Check: cxx11_hdr_regex : no  (cached)
    - Boost.Config Feature Check: cxx11_hdr_tuple : no  (cached)
    - Boost.Config Feature Check: cxx11_lambdas : no  (cached)
    - Boost.Config Feature Check: cxx11_noexcept : no  (cached)
    - Boost.Config Feature Check: cxx11_nullptr : no  (cached)
    - Boost.Config Feature Check: cxx11_rvalue_references : no  (cached)
    - Boost.Config Feature Check: cxx11_template_aliases : no  (cached)
    - Boost.Config Feature Check: cxx11_thread_local : no  (cached)
    - Boost.Config Feature Check: cxx11_variadic_templates : no  (cached)
    - has_icu builds           : no  (cached)
warning: Graph library does not contain MPI-based parallel components.
note: to enable them, add "using mpi ;" to your user-config.jam
    - zlib                     : no  (cached)
    - bzip2                    : no  (cached)
    - lzma                     : no  (cached)
    - iconv (libc)             : no  (cached)
    - iconv (separate)         : no  (cached)
    - icu                      : no  (cached)
    - icu (lib64)              : no  (cached)
    - native-atomic-int32-supported : no  (cached)
    - message-compiler         : yes (cached)
    - native-syslog-supported  : no  (cached)
    - pthread-supports-robust-mutexes : no  (cached)
    - compiler-supports-visibility : no  (cached)
    - x86                      : no  (cached)
    - arm                      : no  (cached)
    - mips1                    : no  (cached)
    - power                    : no  (cached)
    - sparc                    : no  (cached)
    - gcc visibility           : no  (cached)
    - long double support      : no  (cached)
warning: skipping optional Message Passing Interface (MPI) library.
note: to enable MPI support, add "using mpi ;" to user-config.jam.
note: to suppress this message, pass "--without-mpi" to bjam.
note: otherwise, you can safely ignore this message.
    - libbacktrace builds      : no  (cached)
    - addr2line builds         : no  (cached)
    - WinDbg builds            : no  (cached)
    - WinDbgCached builds      : no  (cached)

Component configuration:

    - atomic                   : building
    - chrono                   : building
    - container                : building
    - context                  : building
    - coroutine                : building
    - date_time                : building
    - exception                : building
    - fiber                    : building
    - filesystem               : building
    - graph                    : building
    - graph_parallel           : building
    - iostreams                : building
    - locale                   : building
    - log                      : building
    - math                     : building
    - mpi                      : building
    - program_options          : building
    - python                   : building
    - random                   : building
    - regex                    : building
    - serialization            : building
    - signals                  : building
    - stacktrace               : building
    - system                   : building
    - test                     : building
    - thread                   : building
    - timer                    : building
    - type_erasure             : building
    - wave                     : building

...patience...
...patience...
...patience...
...patience...
...patience...
...patience...
...found 16860 targets...
...updating 401 targets...
compile-c-c++ bin.v2\libs\atomic\build\msvc-14.1\release\address-model-64\link-static\threadapi-win32\threading-multi\lockpool.obj
'cl' is not recognized as an internal or external command,
operable program or batch file.

    call "C:\Users\CHHENN~1\AppData\Local\Temp\b2_msvc_14.1_vcvarsx86_amd64_.cmd" >nul
cl /Zm800 -nologo @"bin.v2\libs\atomic\build\msvc-14.1\release\address-model-64\link-static\threadapi-win32\threading-multi\lockpool.obj.rsp"

...failed compile-c-c++ bin.v2\libs\atomic\build\msvc-14.1\release\address-model-64\link-static\threadapi-win32\threading-multi\lockpool.obj...
...skipped <pbin.v2\libs\atomic\build\msvc-14.1\release\address-model-64\link-static\threadapi-win32\threading-multi>libboost_atomic-vc141-mt-1_66.lib for lack of <pbin.v2\libs\atomic\build\msvc-14.1\release\address-model-64\link-static\threadapi-win32\threading-multi>lockpool.obj...
...skipped <pstage\lib>libboost_atomic-vc141-mt-1_66.lib for lack of <pbin.v2\libs\atomic\build\msvc-14.1\release\address-model-64\link-static\threadapi-win32\threading-multi>libboost_atomic-vc141-mt-1_66.lib...
compile-c-c++ bin.v2\libs\system\build\msvc-14.1\release\address-model-64\link-static\threadapi-win32\threading-multi\error_code.obj
'cl' is not recognized as an internal or external command,
operable program or batch file.

    call "C:\Users\CHHENN~1\AppData\Local\Temp\b2_msvc_14.1_vcvarsx86_amd64_.cmd" >nul
cl /Zm800 -nologo @"bin.v2\libs\system\build\msvc-14.1\release\address-model-64\link-static\threadapi-win32\threading-multi\error_code.obj.rsp"

...failed compile-c-c++ bin.v2\libs\system\build\msvc-14.1\release\address-model-64\link-static\threadapi-win32\threading-multi\error_code.obj...
...skipped <pbin.v2\libs\system\build\msvc-14.1\release\address-model-64\link-static\threadapi-win32\threading-multi>libboost_system-vc141-mt-1_66.lib for lack of <pbin.v2\libs\system\build\msvc-14.1\release\address-model-64\link-static\threadapi-win32\threading-multi>error_code.obj...
...skipped <pstage\lib>libboost_system-vc141-mt-1_66.lib for lack of <pbin.v2\libs\system\build\msvc-14.1\release\address-model-64\link-static\threadapi-win32\threading-multi>libboost_system-vc141-mt-1_66.lib...
compile-c-c++ bin.v2\libs\chrono\build\msvc-14.1\release\address-model-64\link-static\threadapi-win32\threading-multi\chrono.obj
'cl' is not recognized as an internal or external command,
operable program or batch file.
[snip]

Anyone any idea what is going on?

Thanks,
Christian