Re: [boost] [build] b2 headers broken?

Subject: Re: [boost] [build] b2 headers broken?
From: Eric Niebler (eniebler_at_[hidden])
Date: 2014-07-17 01:44:43

On 7/15/2014 9:37 PM, Steven Watanabe wrote:
> AMDG
> 
> On 07/15/2014 05:03 PM, Eric Niebler wrote:
>> <snip>
>>
>> link.rm ..\..\..\boost\numeric\conversion
>> link.hardlink ..\..\..\boost\numeric\conversion\conversion_traits.hpp
>> The system cannot find the path specified.
>>
>>     if exist "..\..\..\boost\numeric\conversion\conversion_traits.hpp"
>> del "..\..\..\boost\numeric\conversion\conversion
>> _traits.hpp"
>>     mklink /H "..\..\..\boost\numeric\conversion\conversion_traits.hpp"
>> "..\..\numeric\conversion\include\boost\numeric\
>> conversion\conversion_traits.hpp"
>>
>> ...failed link.hardlink
>> ..\..\..\boost\numeric\conversion\conversion_traits.hpp...
>> link.hardlink ..\..\..\boost\numeric\conversion\int_float_mixture_enum.hpp
>> The system cannot find the path specified.
>>
>>
>> For some reason, b2 thinks it needs to rerun b2 headers, but it does a
>> crap job of it and dies. What's going on?
>>
> 
> There are two problems here.  First, the
> check that determines whether the linked
> directory matches the existing link seems
> to be failing (That's probably why it's
> rebuilding).  I'm guessing that the path
> comparison algorithm is wrong, somehow.
> Second, the link is created without
> creating the directory that contains it
> first.  I have no idea how that can happen.
> 
> If you run b2 headers twice, starting from
> a clean checkout, the second run should do
> nothing.  Is that the case?  Does your
> problem appear for any library?

Huh, it's not doing it for me now. That's so weird.

\e