default architecture     : none

you have time set the architecture

danielle amethyst brake via Boost-users <boost-users@lists.boost.org> schrieb am Mi., 25. Juli 2018, 20:11:
Hey Boost,
I am trying to build Boost, ideally in its entirety, with emscripten.  I am using emscripten 1.38.8, and either Boost 1.67 or the 1.68.b1, and am on OSX 10.13.  Both Boost versions fail.  

I bootstrapped as normal (`./bootstrap.sh`), and then invoke b2 to build.  i want C++14, so invoke as 

./b2 toolset=emscripten cxxflags=-std=c++14

I get this long message with the roadblock at the end:

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
        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              : yes
    - lockfree boost::atomic_flag : yes
    - Boost.Config Feature Check: cxx11_hdr_tuple : yes
    - Boost.Config Feature Check: cxx11_lambdas : yes
    - Boost.Config Feature Check: cxx11_noexcept : yes
    - Boost.Config Feature Check: cxx11_nullptr : yes
    - Boost.Config Feature Check: cxx11_rvalue_references : yes
    - Boost.Config Feature Check: cxx11_template_aliases : yes
    - Boost.Config Feature Check: cxx11_thread_local : yes
    - Boost.Config Feature Check: cxx11_variadic_templates : yes
    - Boost.Config Feature Check: cxx11_auto_declarations : yes
    - Boost.Config Feature Check: cxx11_constexpr : yes
    - Boost.Config Feature Check: cxx11_defaulted_functions : yes
    - Boost.Config Feature Check: cxx11_final : yes
    - Boost.Config Feature Check: cxx11_hdr_mutex : yes
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 }

I can get past this error by disabling icu, with 

./b2 toolset=emscripten cxxflags=-std=c++14 --disable-icu

but i just get a similar error.  

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-z.SEARCHED_LIB }
Second generator produced: 
 -  { %.no-action-z.SEARCHED_LIB }

of course, using c++14 doesn't affect my problem whatsoever.

can anybody help me?

--
Danielle Brake
Assistant Professor of Mathematics
University of Wisconsin Eau Claire
she/her/hers
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