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

Wed Dec 20 11:11:59 EST 2017

Hello,

Not yet looked into __init__.py,, but I found that if I duplicate src files
into variant dir, message print by "--debug=explain" now make sense.
scons: rebuilding
`build/debug/gui/aiui_lib/lib/i86-pc-linux-gnu/aiui_controller.o' because
`build/debug/gui/aiui_lib/lib/aiui_controller.cpp' changed

In SConsctruct :
Changed this
SConscript("gui/aiui_lib/lib/aiui_lib.sc", exports='envService
vcxprojList', variant_dir="build/debug/gui/aiui_lib/lib", duplicate=0)

by this :
SConscript("gui/aiui_lib/lib/aiui_lib.sc", exports='envService
vcxprojList', variant_dir="build/debug/gui/aiui_lib/lib")

To answer you previous question, it is not building if I do not change the
file (as expected)

On Tue, Dec 19, 2017 at 5:22 PM, Bill Deegan <bill at baddogconsulting.com>
wrote:

> 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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>>>>>>> Scons-users mailing list
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>>>>>>>
>>>>>>
>>>>>>
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>>>>>>
>>>>>
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>
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