toolset=toolset=emscriptenis not supported

danielle amethyst brake via Boost-users <boost-users@lists.boost.org> schrieb am Fr., 27. Juli 2018, 15:21:

> "how do I set the default architecture when building boost?"
>

address-model=64 architecture=x86

Indeed, using these two commands as 

  ./b2 address-model=64 architecture=x86

changes both of those properties as expected. however, if I use them in conjunction with toolset=emscripten, the problem I originally asked about persists:

./b2 toolset=emscripten address-model=64 architecture=x86

Performing configuration checks

    - default address-model    : 32-bit

    - default architecture     : none

Building the Boost C++ Libraries.

    - symlinks supported       : yes

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

... [more similar alternatives omitted for brevity --dab]

    - C++11 mutex              : no

    - lockfree boost::atomic_flag : yes

    - Boost.Config Feature Check: cxx11_hdr_tuple : no

    - Boost.Config Feature Check: cxx11_lambdas : no

    - Boost.Config Feature Check: cxx11_noexcept : no

    - Boost.Config Feature Check: cxx11_nullptr : no

    - Boost.Config Feature Check: cxx11_rvalue_references : no

    - Boost.Config Feature Check: cxx11_template_aliases : no

    - Boost.Config Feature Check: cxx11_thread_local : no

    - Boost.Config Feature Check: cxx11_variadic_templates : no

    - Boost.Config Feature Check: cxx11_auto_declarations : no

    - Boost.Config Feature Check: cxx11_constexpr : no

    - Boost.Config Feature Check: cxx11_defaulted_functions : no

    - Boost.Config Feature Check: cxx11_final : no

    - Boost.Config Feature Check: cxx11_hdr_mutex : no

Error: ambiguity found when searching for best transformation

Trying to produce type 'SEARCHED_LIB' from: 

Generators that succeeded:

 -  searched-lib-generator

 -  emscripten.searched-lib-generator

First generator produced: 

 -  { %.no-action-icudata.SEARCHED_LIB }

Second generator produced: 

 -  { %.no-action-icudata.SEARCHED_LIB }

to renew focus, the problem I am trying to solve is the last part there, ambiguity when searching for best transformation.  it goes away if i disable icu, but it just yields another similar error.  it was suggested that I need to provide the default architecture to solve the problem, but the way suggested to do that so far have not worked. your help is appreciated!

 

Danielle Brake

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