[Boost-build] Antw: Re: Boost build failed if custom toolset path is not available

Subject: [Boost-build] Antw: Re: Boost build failed if custom toolset path is not available
From: marfro (markus.froschauer_at_[hidden])
Date: 2016-02-25 09:22:08

Thank you very much, the provided workaround works for me.

BR
>>> "Steven Watanabe-4 [via Boost]" <ml-node+s2283326n4683758h49_at_[hidden]> 24.02.2016 03:10 >>>
AMDG

On 02/17/2016 12:49 AM, marfro wrote:
> 
> I am successfully compiling the boost library (1_46_0) for msvc and for gcc.
> 
> For gcc I use a custom toolset path. Therefore I created an entry in the
> user-config.jam file. If that path is not available the whole boost build
> files even when I build it only for msvc.
> 
> After enabling the debug information I see that the build process
> initializes and checks all using statements of the user-config.jam file. Why
> is that necessary, since I already named the toolset on the bjam call?
> 
> Does anybody know if I can avoid this behaviour so the build still be
> successfull even though the path is missing?
> 

  It used to be that this was required to work,
and it still does with some tools, just not gcc.
The easiest workaround is to check whether the
path exists:

import path ;
if [ path.exists /path/to/g++ ]
{
    using gcc : /path/to/g++ ;
}

In Christ,
Steven Watanabe

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