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Subject: Re: [Boost-build] Fwd: Error building Boost: "no best alternative for headers"
From: Robert (r.firl_at_[hidden])
Date: 2019-01-11 15:54:20


On 1/8/2019 11:01 PM, Ben Ernst via Boost-build wrote:
> I am completely unable to build Boost libraries. I have been building on
> this same computer for many years, so this issue is confounding to me.
> I'm posting here in the hope that this peculiar error message might ring
> a bell with someone.
>
> After bootstrapping, when executing "b2.exe", before getting into the
> actual build (which fails), these error messages are repeated multiple
> times:
>
> error: No best alternative for ./headers
>     next alternative: required properties: (empty)
>         matched
>     next alternative: required properties: (empty)
>         matched
>
>
> I have attached console output from the offending build.
>
> My actual command line is:
>
> .\b2 -j8 toolset=msvc-14.1 --build-type=minimal --without-mpi
> --without-python address-model=32 link=shared threading=multi
> runtime-link=shared windows-api=desktop stage
>

Hello Ben,

I have not observed this error before. However, I always surround the
toolset value with quotes. AFAIK, it is not supposed to matter, but ...

toolset="msvc-14.1"

Additionally, I suppose it is possible the b2 .cmd files located inside
the %localappdata%\temp directory have inconsistent content. The file
names I see on mine for msvc-14.1 are named:

b2_msvc_14.1_vcvars32_.cmd
b2_msvc_14.1_vcvarsx86_amd64_.cmd

With Visual Studio 2017, the paths are quite long. What I have to do is
use a very short starting point with the mklink /D option (e.g. C:\v7).
The C:\v7 starts at:

C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise

I create a build forum post with more details using the Windows Intel
compiler back on June 23, 2017, 11:47 am. It might be a good reference.
  I hope this helps.

Sincerely,

Robert

>
> Thanks in advance!
>
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