Re: [boost] [boostorg/python] Building against multiple python implementations broken on 1.70 (#262)

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Re: [boost] [boostorg/python] Building against multiple python implementations broken on 1.70 (#262)

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On 2019-04-15 4:37 p.m., Peter Dimov via Boost wrote:
Stefan Seefeld wrote:

Right. So what's your suggestion / conclusion for to resolve this ?

I'm working on it. I could use a little help.


Sorry, my understanding of all that is very limited. I suspect Rene and Steven will be best equipped to help with those questions.




What is the correct way to configure Boost.Build's `python` on Travis Xenial, which supposedly has Python 2.7.15, 3.6.7, and 3.7.1 preinstalled?

https://docs.travis-ci.com/user/reference/xenial/#python-support

I tried putting

   using python : 2.7 ;
   using python : 3.6 ;
   using python : 3.7 ;

in ~/user-config.jam, but that doesn't seem to work. With `python=2.7,3.6,3.7` I get

/home/travis/build/boostorg/boost-root/tools/build/src/build/feature.jam:491: in feature.validate-value-string from module feature
error: "3.6" is not a known value of feature <python>
error: legal values: "2.7"
/home/travis/build/boostorg/boost-root/tools/build/src/build/property.jam:345: in validate1 from module property
/home/travis/build/boostorg/boost-root/tools/build/src/build/property.jam:371: in property.validate from module property
/home/travis/build/boostorg/boost-root/tools/build/src/build/build-request.jam:271: in convert-command-line-element from module build-request
/home/travis/build/boostorg/boost-root/tools/build/src/build/build-request.jam:222: in build-request.convert-command-line-elements from module build-request
/home/travis/build/boostorg/boost-root/tools/build/src/build-system.jam:774: in load from module build-system
/home/travis/build/boostorg/boost-root/tools/build/src/kernel/modules.jam:295: in import from module modules
/home/travis/build/boostorg/boost-root/tools/build/src/kernel/bootstrap.jam:139: in boost-build from module
/home/travis/build/boostorg/boost-root/boost-build.jam:17: in module scope from module


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Stefan
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      ...ich hab' noch einen Koffer in Berlin...
    

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