[Scons-users] Technical question abouir --debug=explain

[Bill Deegan]

Here's the logic in question:
        removed = [x for x in old_bkids if not x in new_bkids]
in SCons/Node/__init__.py

old_bkids and new_bkids are BuildInfo objects.

You could add some logic there to print the details of each element in
old_bkids and new_bkids and see why it's not seeing that file in new_bkids.?

On Tue, Dec 19, 2017 at 4:54 PM, Bill Deegan <bill at baddogconsulting.com>
wrote:

> Is the file itself changing between builds in this case?
> Or is it building when it's not changing?
>
> On Tue, Dec 19, 2017 at 4:01 PM, Pierre-Luc Boily <
> pierreluc.boily at gmail.com> wrote:
>
>> I tried same test on a smaller part of the code to get smaller
>> tree/traces.  I also rework the SConscript to make it simpler, and I don't
>> see anything shocking.
>> Tree : https://pastebin.com/iuwKekwD
>> Trace: https://pastebin.com/KwAieVGE
>>
>> SConscript :
>> Import('envService')
>> envService.validate_supported_platform('posix')
>> env = envService.get_env32()
>> env.USE_QT()
>> env.Library(target = env.libName(),source = ["aiui_controller.cpp",
>> "aiui_widget_impl.cpp", "aiui_widget.cpp"])
>>
>> Do you see something unusual?
>>
>> thx
>>
>> On Tue, Dec 19, 2017 at 12:07 PM, Bill Deegan <bill at baddogconsulting.com>
>> wrote:
>>
>>> You might also run with
>>>
>>> --taskmastertrace=FILE
>>>
>>> And look at the generated file with respect to the source and target(s) involved.
>>>
>>>
>>> On Tue, Dec 19, 2017 at 10:31 AM, Pierre-Luc Boily <
>>> pierreluc.boily at gmail.com> wrote:
>>>
>>>> Yes it is.  It must be something with my implementation for sure., I'll
>>>> dig more on my scons implementation...  It might be related with my
>>>> pseudo-builders.  I have an implementation on top of Library, SharedLibrary
>>>> and Program calls, in order to be able to generated artifacts in the
>>>> correct variant dir. The Variant dir given to SConscript looks like
>>>> "/svn/products/build/debug/src".  Then, my pseudo-builder receives the
>>>> variant dir and add a subfolder like that "/svn/products/build/debug/src/i86-pc-linux-gnu".
>>>> See https://pastebin.com/6fTVDnMa.   Code executed from
>>>> pseudo-builders is the same from windows and centos.  So, it might be
>>>> something elsewhere as well....
>>>>
>>>> On Tue, Dec 19, 2017 at 9:59 AM, Bill Deegan <bill at baddogconsulting.com
>>>> > wrote:
>>>>
>>>>> That is unexpected.
>>>>> Is it repeatable?
>>>>>
>>>>> On Tue, Dec 19, 2017 at 9:17 AM, Pierre-Luc Boily <
>>>>> pierreluc.boily at gmail.com> wrote:
>>>>>
>>>>>> Hello!
>>>>>>
>>>>>> Was doing small test yesterday by changing a cpp file and compiling
>>>>>> with
>>>>>> --debug=explain.  I realized that the explain argument did not print
>>>>>> the
>>>>>> message I was expected on my centos build :
>>>>>>
>>>>>> scons: rebuilding
>>>>>> `build/debug/sim/simulator/vr/pbs/fpsm/i86-pc-linux-gnu/pbsf
>>>>>> psm_acreport.o'
>>>>>> because:
>>>>>>            `sim/simulator/vr/pbs/fpsm/pbsfpsm_acreport.cpp' is no
>>>>>> longer a
>>>>>> dependency
>>>>>>            `sim/simulator/vr/pbs/fpsm/pbsfpsm_acreport.cpp' is a new
>>>>>> dependency
>>>>>>
>>>>>> I did some test on windows as well, by changing a cpp file too, and I
>>>>>> got
>>>>>> this :
>>>>>>
>>>>>> scons: rebuilding
>>>>>> `build\debug\sr\sra\src\flatGui\win32\ASRResultObserverUI.obj'
>>>>>> because
>>>>>> `sr\sra\src\flatGui\ASRResultObserverUI.cpp' changed
>>>>>>
>>>>>> which is the message that I do expect.  So, I am wondering if it is
>>>>>> the
>>>>>> message on centos makes sense. This message sounds like that the cpp
>>>>>> is
>>>>>> being removed.  I double-check my pseudo-builder that creates Library
>>>>>> and
>>>>>> Program, and the code executed is the same for both centos and
>>>>>> windows.
>>>>>>
>>>>>> I am using scons 2.5.1 with python 2.7.13
>>>>>>
>>>>>> Thx
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Sent from: http://scons.1086193.n5.nabble.com/Users-f16930.html
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>>>>>
>>>>>
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