[Scons-users] Scanner / Builder Race Condition?

[William Blevins]

It seems that action that act on a source should not be allowed until that
source is up-to-date...

On Mon, Feb 22, 2016 at 11:25 PM, William Blevins <wblevins001 at gmail.com>
wrote:

> Brian,
>
> The Dir as a File is sort of already documented:
> http://scons.tigris.org/issues/show_bug.cgi?id=2648
> That seems to be related to lazy Node.FS creation and guessing the type or
> making the type FS.Entry.
>
> I am seeing the error you are describing, but I don't know how to quickly
> fix it. On skimming the tigris issues, I did not see this listed. Would you
> make a new issue with the SConstruct you attached and your other output?
>
> V/R,
> William
>
> On Mon, Feb 22, 2016 at 11:07 PM, Brian Cody <brian.j.cody at gmail.com>
> wrote:
>
>> We should be on 2.4.1.  I’ll update if that’s inaccurate.
>>
>> The error that you gave, tried to look up Dir as a file, is another one
>> of the error conditions that we see in our real build, actually! It’s the
>> path to the project file from the SConstruct.
>>
>>
>> On 2016 Feb22, at 18:03, William Blevins <wblevins001 at gmail.com> wrote:
>>
>> What version of SCons are you using?
>>
>> On Mon, Feb 22, 2016 at 11:00 PM, William Blevins <wblevins001 at gmail.com>
>> wrote:
>>
>>> I do see what you are saying though...
>>>
>>> On Mon, Feb 22, 2016 at 10:43 PM, William Blevins <wblevins001 at gmail.com
>>> > wrote:
>>>
>>>> I get this error after I created 2 *.dat file(s) with junk data:
>>>> "TypeError: Tried to lookup Dir '.' as a File."
>>>>
>>>> On Mon, Feb 22, 2016 at 10:35 PM, William Blevins <
>>>> wblevins001 at gmail.com> wrote:
>>>>
>>>>> I am missing the source files to trace the program, but it's a more
>>>>> concrete example :)
>>>>>
>>>>> On Mon, Feb 22, 2016 at 9:53 PM, Brian Cody <brian.j.cody at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> William,
>>>>>>
>>>>>> Source code and instructions found within:
>>>>>> http://pastebin.com/KSkjkszp
>>>>>>
>>>>>> It produced the error on the first try. While the project file was
>>>>>> being scanned, it was rebuilt out from under it. Given the simplicity of
>>>>>> the test app, nothing broke, but it should be obvious why it could!
>>>>>>
>>>>>> c:\workdir\software2\projects\test>scons -j 2
>>>>>> scons: Reading SConscript files ...
>>>>>> scons: done reading SConscript files.
>>>>>> scons: Building targets ...
>>>>>> scanning project.prj
>>>>>> done scanning project.prj
>>>>>> >scanning project.prj
>>>>>> >>>>create_project_file(["project.prj"], ["source_1.dat",
>>>>>> "source_2.dat"])
>>>>>> >>>>building project.prj
>>>>>> >done scanning project.prj
>>>>>> done building project.prj
>>>>>> scanning project.prj
>>>>>> done scanning project.prj
>>>>>> version_action(["derp.txt"], ["project.prj"])
>>>>>> compiler_action(["out.bin"], ["project.prj", "derp.txt"])
>>>>>> creating out.bin
>>>>>> done creating out.bin
>>>>>> scons: done building targets.
>>>>>>
>>>>>>
>>>>>> Thanks!
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Scons-users mailing list
>>>>>> Scons-users at scons.org
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>>>>>>
>>>>>>
>>>>>
>>>>
>>>
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>
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