[boost] [config] Error in Jamfile influencing other libraries (was: Re: [testing] Dissapearing regression results)

Subject: [boost] [config] Error in Jamfile influencing other libraries (was: Re: [testing] Dissapearing regression results)
From: Adam Wulkiewicz (adam.wulkiewicz_at_[hidden])
Date: 2014-06-09 06:26:31

Updating topic to better reflect the content...

Adam Wulkiewicz wrote:
> Adam Wulkiewicz wrote:
>> Adam Wulkiewicz wrote:
>>> Hi,
>>>
>>> I noticed that for the latest runs the tests of Geometry are 
>>> missing. Surprisingly not all, 2 tests for geometry/index sublib are 
>>> present.
>>>
>>> Initially I thought that it may be caused by the recent 
>>> modularization but I didn't noticed any problems in any of the 
>>> libraries I checked randomly.
>> <snip>
>> Now I see problems in other libraries too.
>>> So I decided to try running the tests by myself. I tried:
>>> 1. Windows + GitBash -> a lot of "can't find xxx file" errors (b2 
>>> headers didn't work properly)
>>> 2. Windows + GitBash with admin rights -> exactly what can be seen 
>>> in the tests, bjam.log shows that only 2 tests from Geometry was 
>>> choosen for testing
>>> 3. Windows + cmd with admin rights -> everything is ok (in case you 
>>> wanted to check it - runner Test2)
>>> 4. Linux -> also everything is ok (runner Test)
>> 3 and 4 was ok because there was only 1 module tested 
>> --libraries=geometry. For 2 I tested also core and test.
>>
>> I tested it locally running (in case someone would like to play with 
>> it too):
>> b2 status --dump-tests --debug-configuration
>>
>> and found out that the problem is related with the usage of 
>> 'build-project' in Jamfiles.
>> This is not only seen in Geometry, though it's the library that uses 
>> this instruction most extensively.
>>
>> E.g. see:
>> http://www.boost.org/development/tests/develop/developer/geometry.html
>> http://www.boost.org/development/tests/develop/developer/math.html
>> http://www.boost.org/development/tests/develop/developer/functional-hash.html 
>>
>>
>> The projects aren't parsed recursively since ~6.06.2014. What's going 
>> on?
>> May it be caused by some invalid Jamfiles added recently for some 
>> other libraries? 
>
> I isolated the problem. It's in the Config tests. I believe this 
> commit introduces the issue:
> https://github.com/boostorg/config/commit/dad7bc5b30a6b313208e2b2eefe47aa1f25a8934 
>
> It's related to the addition of the Config checks to the test/Jamfile.v2:
>
> import ../checks/config : requires ;
>
> and
>
> [ run config_build_check.cpp : : : [ requires int128 cxx11_constexpr 
> cxx11_user_defined_literals ] ]
>
> I'm curious why this addition creates this issue? Could someone explain?
>
> And could you please fix it?
> My attempt would end with removing of 'requires' and this is probably 
> not how it should be fixed.
>
> Regards,
> Adam