[Scons-users] Intermiddent build error on Windows - cl : Command line error D8022 : cannot open 'c:\users\admini~1\appdata\local\temp\tmpekylod.lnk'

Bill Deegan bill at baddogconsulting.com
Wed Sep 7 19:32:26 EDT 2016 

Shane,


On Wed, Sep 7, 2016 at 12:00 PM, Shane Gannon <sgannon200 at gmail.com> wrote:

> Hi Bill
>
> Your suggestion
>
> *artifacts = envLocal.SharedLibrary('Library', objFiles)*
>
> makes complete sense. I switched the script over to this. But it did not
> fix the problem.
>

Had small hope it would.
Can you try the latest dev code. There was a bunch of patches to use with
open().. as x: syntax which should close files faster.


>
> Why do this rather than using the created shared librarie?
>
> In these sections of the code the devs want to access and test internal
> functions. i.e. Which are not exposed outside the dll. So they statically
> link in the object files rather than the dll.
>

Could they use a windows .lib (static library?)

-Bill


>
> Regards
> Shane
>
> On Wed, Sep 7, 2016 at 6:53 PM, Bill Deegan <bill at baddogconsulting.com>
> wrote:
>
>> Shane,
>>
>> Why don't you do this:
>>
>> *sources = getAllSources() # Get all the .cpp files*
>>
>>
>> *objFiles = envLocal.Object(sources) # Create a group of .obj files from
>> the sources*
>>
>>
>> *artifacts = envLocal.SharedLibrary('Library', objFiles) # Create a
>> shared library from the sources*
>>
>>
>>
>> *envTest['LIBS'].append(objFiles) # Add the .obj files to the link path
>> on another environment*
>> Why do this rather than using the created shared librarie?
>> The obj files are not libraries...
>>
>> *Or if you want a static library for windows, create a .lib with those
>> objects?*
>>
>>
>> *test_sources = getAllSources() # Get all the test .cpp files*
>>
>> *envTest.Program('TestExecutable', test_sources) # Create a test
>> executable which re-uses the .obj files from LIBS on another environment*
>> Is the logic above in a second SConscript?
>>
>> -Bill
>>
>> On Wed, Sep 7, 2016 at 10:27 AM, Shane Gannon <sgannon200 at gmail.com>
>> wrote:
>>
>>> One other update. Might explain the *tempfile_cmdlist* issue somewhat.
>>>
>>> I've identified a section of the build where, if I disable it, the build
>>> passes when using the standard 2.5.0 release.
>>>
>>> This part of the build does something a little unusual.
>>>
>>>
>>> *sources = getAllSources() # Get all the .cpp files*
>>>
>>>
>>> *objFiles = envLocal.Object(sources) # Create a group of .obj files from
>>> the sources*
>>>
>>>
>>> *artifacts = envLocal.SharedLibrary('Library', sources) # Create a
>>> shared library from the sources*
>>>
>>> *envTest['LIBS'].append(objFiles) # Add the .obj files to the link path
>>> on another environment*
>>>
>>>
>>> *test_sources = getAllSources() # Get all the test .cpp files*
>>>
>>> *envTest.Program('TestExecutable', test_sources) # Create a test
>>> executable which re-uses the .obj files from LIBS on another environment*
>>>
>>> This might cause issues for the *tempfile_cmdlist* check. But there are
>>> 3 other sections of the build that do the same thing and they're fine.
>>>
>>>
>>> On Wed, Sep 7, 2016 at 4:27 PM, Shane Gannon <sgannon200 at gmail.com>
>>> wrote:
>>>
>>>> Hi Bill
>>>>
>>>> In a local version of SCons 2.5.0 I made the following changes to
>>>> SCons/Platform/__init__.py
>>>>
>>>>         # Check if we already created the temporary file for this target
>>>>         # It should have been previously done by Action.strfunction()
>>>> call
>>>>         #node = target[0] if SCons.Util.is_List(target) else target
>>>>         #cmdlist = getattr(node.attributes, 'tempfile_cmdlist', None) \
>>>>         #            if node is not None else None
>>>>         #if cmdlist is not None :
>>>>         #    return cmdlist
>>>> .........
>>>>         # Store the temporary file command list into the target
>>>> Node.attributes
>>>>         # to avoid creating two temporary files one for print and one
>>>> for execute.
>>>>         cmdlist = [ cmd[0], prefix + native_tmp + '\n' + rm, native_tmp
>>>> ]
>>>>         #if node is not None:
>>>>         #    try :
>>>>         #        setattr(node.attributes, 'tempfile_cmdlist', cmdlist)
>>>>         #    except AttributeError:
>>>>         #        pass
>>>>         return cmdlist
>>>>
>>>> i.e. I commented out the *tempfile_cmdlist* check.
>>>>
>>>> The comments lead me to believe this code is a performance fix. I
>>>> assumed removing it would not cause breaks.
>>>>
>>>> That seems to be the case. SCons did not break. Plus now my build
>>>> succeeds.
>>>>
>>>> I'd guess that SCons is setting this attribute on a node. But that node
>>>> is being used more than once in our build (really not sure if this is
>>>> possible). When the node is first used tempfile_cmdlist is created as well
>>>> as the temp file. But when it is re-used it detects that 'tempfile_cmdlist'
>>>> already exists and does not bother to create a second temp file.
>>>>
>>>> Is that possible? What would make it specific to our build? i.e.
>>>> Otherwise I assume more people would have reported this problem.
>>>>
>>>> Regards
>>>> Shane
>>>>
>>>> On Wed, Sep 7, 2016 at 3:26 PM, Bill Deegan <bill at baddogconsulting.com>
>>>> wrote:
>>>>
>>>>> Shane,
>>>>>
>>>>> I didn't see any change in the logic which opens, writes, or closes
>>>>> the tmp files in those commits.
>>>>> Only in the way it's used by mslink, and msvc and some messaging and
>>>>> another test.
>>>>>
>>>>> -Bill
>>>>>
>>>>> On Wed, Sep 7, 2016 at 6:52 AM, Shane Gannon <sgannon200 at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Hi William
>>>>>>
>>>>>> To be truthful I don't have the expertise to rule out SCon 2.3.4. But
>>>>>> we have run thousands of builds on it without issue. In constrast on 2.5.0
>>>>>> (and to a lesser extent 2.3.6 & 2.3.5) we can fully reproduce this problem.
>>>>>>
>>>>>> That suggests an edge condition was introduced by 2.3.5. I took a
>>>>>> look back through the commit history and came across
>>>>>>
>>>>>> https://bitbucket.org/scons/scons/commits/bad59be7270dbbe62c
>>>>>> 7868a532fad84480f95fae
>>>>>> https://bitbucket.org/scons/scons/commits/9aa37cd21e99eb684a
>>>>>> b6ae8f7b21e0a71751ac7f
>>>>>> https://bitbucket.org/scons/scons/commits/da5785c5f30f852734
>>>>>> b3f985b798a5508bfea9db
>>>>>>
>>>>>> which are consequetive commits by the same author (LaurentMarchelli).
>>>>>> He was working on the SCons/Platform/__init__.py file and the TempFileMunge
>>>>>> class. This is the class that creates the .lnk files.
>>>>>>
>>>>>> Regards
>>>>>> Shane
>>>>>>
>>>>>> On Wed, Sep 7, 2016 at 2:16 PM, William Blevins <
>>>>>> wblevins001 at gmail.com> wrote:
>>>>>>
>>>>>>> Shane,
>>>>>>>
>>>>>>> We can look into that specific revision, but if this is a race
>>>>>>> condition, then it's possible that this is a problem in other versions. It
>>>>>>> doesn't make much sense that the issue is not reproducible in version 2.4.0
>>>>>>> unless there was a missing patch that was reapplied (which is unlikely but
>>>>>>> not impossible).
>>>>>>>
>>>>>>> V/R,
>>>>>>> William
>>>>>>>
>>>>>>> On Wed, Sep 7, 2016 at 8:30 AM, Shane Gannon <sgannon200 at gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> I've been testing out some scenarios and here is what I discovered
>>>>>>>>
>>>>>>>> SCons 2.5.0 with vs2013 - Reproduced the problem
>>>>>>>>
>>>>>>>> SCons 2.3.6 with vs2013 - Reproduced the problem
>>>>>>>>
>>>>>>>> SCons 2.3.5 with vs2013 - Reproduced the problem
>>>>>>>>
>>>>>>>> SCons 2.5.0 with vs2013 on Windows 7 - Reproduced the problem
>>>>>>>>
>>>>>>>> SCons 2.4.0 on both Windows 10 & Window 7 - *Problem not
>>>>>>>> reproduced*
>>>>>>>>
>>>>>>>> Seems this bug was introduced by Scons 2.3.5.
>>>>>>>>
>>>>>>>>
>>>>>>>> On Wed, Sep 7, 2016 at 11:19 AM, Shane Gannon <sgannon200 at gmail.com
>>>>>>>> > wrote:
>>>>>>>>
>>>>>>>>> @Bill Deegan
>>>>>>>>>
>>>>>>>>> Both the 2013 & 2015 builders use Windows version 10.0.102540
>>>>>>>>> Build 10240.
>>>>>>>>>
>>>>>>>>> Windows Defender is disabled on the build machines. We took the
>>>>>>>>> attitude that anti-virus protection was a waste of resources. Plus it
>>>>>>>>> introduced unwanted variability to build speed.
>>>>>>>>>
>>>>>>>>> The Windows Search Indexing Service was enabled. But, after
>>>>>>>>> disabling it, the problem persisted.
>>>>>>>>>
>>>>>>>>> I tested out SCons 2.5.0 with vs2013. It reproduced the problem.
>>>>>>>>> So this issue may have been introduced since SCons 2.3.4.
>>>>>>>>>
>>>>>>>>> @Arvid Rosén
>>>>>>>>>
>>>>>>>>> Good suggestion. But we use ActivePython which has pywin32 built
>>>>>>>>> into it. Verified that with pip list.
>>>>>>>>>
>>>>>>>>> On Wed, Sep 7, 2016 at 8:20 AM, Arvid Rosén <arvid at softube.com>
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>> Do you have pywin32 installed btw?
>>>>>>>>>>
>>>>>>>>>> Arvid
>>>>>>>>>>
>>>>>>>>>> On 07 Sep 2016, at 01:27, Bill Deegan <bill at baddogconsulting.com>
>>>>>>>>>> wrote:
>>>>>>>>>>
>>>>>>>>>> Are you also upgrading your version of windows?
>>>>>>>>>> Do you see the problem with scons 2.5.0 and MSVC 2013?
>>>>>>>>>>
>>>>>>>>>> This is not a known issue.
>>>>>>>>>> However as Arvid said.. it can be related to Windows Defender and
>>>>>>>>>> Search Indexing.
>>>>>>>>>> Perhaps you can disable search indexing and see if it has any
>>>>>>>>>> impact?
>>>>>>>>>> You might try disabling windows defender for a short test as
>>>>>>>>>> well... (though I wouldn't advise doing so in an insecure environment or
>>>>>>>>>> for a long period of time..)
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Tue, Sep 6, 2016 at 9:59 AM, Shane Gannon <
>>>>>>>>>> sgannon200 at gmail.com> wrote:
>>>>>>>>>>
>>>>>>>>>>> Hi all
>>>>>>>>>>>
>>>>>>>>>>> I'm in the process of upgrading a Windows build machine. It's
>>>>>>>>>>> tool set is moving to
>>>>>>>>>>>
>>>>>>>>>>>    - Visual Studio 2015 Update 3
>>>>>>>>>>>    - scons 2.5.0
>>>>>>>>>>>    - msbuild 14.0.25420.1
>>>>>>>>>>>
>>>>>>>>>>> from
>>>>>>>>>>>
>>>>>>>>>>>    - Visual Studio 2013 Update 4
>>>>>>>>>>>    - scons 2.3.4
>>>>>>>>>>>    - msbuild 12.0.31101
>>>>>>>>>>>
>>>>>>>>>>> But I'm getting an unexpected error.
>>>>>>>>>>>
>>>>>>>>>>> *cl : Command line error D8022 : cannot open
>>>>>>>>>>> 'c:\users\admini~1\appdata\local\temp\tmpekylod.lnk'*
>>>>>>>>>>>
>>>>>>>>>>> This can occur once or multiple times in the first clean build.
>>>>>>>>>>> i.e. With each occurence for a different file name. But if I then run a
>>>>>>>>>>> rebuild the problem resolves itself.
>>>>>>>>>>>
>>>>>>>>>>> The .lnk file seems to be SCons specific. It's created in the
>>>>>>>>>>> temp folder and contains something like
>>>>>>>>>>>
>>>>>>>>>>> */nologo /DEBUG /dynamicbase /fixed:no /OPT:REF /OPT:ICF
>>>>>>>>>>> -ignore:4042 -ignore:4042 -ignore:4099 /nologo /DEBUG /dynamicbase
>>>>>>>>>>> /fixed:no /OPT:REF /OPT:ICF -ignore:4042 /dll /out:mylibrary.dll .......*
>>>>>>>>>>>
>>>>>>>>>>> i.e. The command to execute.
>>>>>>>>>>>
>>>>>>>>>>> On Windows *cl* eats this up with
>>>>>>>>>>>
>>>>>>>>>>> *cl @c:\users\admini~1\appdata\local\temp\tmpekylod.lnk*
>>>>>>>>>>>
>>>>>>>>>>> and executes with the parameters found in the .lnk file.
>>>>>>>>>>>
>>>>>>>>>>> AFAIK this behaviour has existed in SCons since version 0.9.
>>>>>>>>>>>
>>>>>>>>>>> See
>>>>>>>>>>>
>>>>>>>>>>> http://www.scons.org/CHANGES.txt
>>>>>>>>>>>
>>>>>>>>>>> *RELEASE 0.90 - Wed, 25 Jun 2003 14:24:52 -0500*
>>>>>>>>>>>
>>>>>>>>>>> *  - Use '.lnk' as the suffix on the temporary file for linking long
>>>>>>>>>>>     command lines (necessary for the Phar Lap linkloc linker).*
>>>>>>>>>>>
>>>>>>>>>>> But, for some reason reason, *some* .lnk files are not generated in time for me. Hence the build fails.
>>>>>>>>>>>
>>>>>>>>>>> Is this a known issue? Has it been introduced since scons 2.3.4? Is there any work around?
>>>>>>>>>>>
>>>>>>>>>>> I should mention that my builder
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>    - Is a Windows 10 machine
>>>>>>>>>>>    - Has 20 cpu cores and runs scons -j 20
>>>>>>>>>>>    - Has 25Gb of RAM
>>>>>>>>>>>
>>>>>>>>>>> There may be a parallization problem here. But it is not an issue for the current build (which also uses -j 20). I experimented with using -j 10 but the problem persisted.
>>>>>>>>>>>
>>>>>>>>>>> I also choose to build only a sub-set of the projects. i.e. I excluded the tests. This allowed the build to pass.
>>>>>>>>>>>
>>>>>>>>>>> Any thoughts/suggestions?
>>>>>>>>>>>
>>>>>>>>>>> Regards
>>>>>>>>>>>
>>>>>>>>>>> Shane
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> _______________________________________________
>>>>>>>>>>> Scons-users mailing list
>>>>>>>>>>> Scons-users at scons.org
>>>>>>>>>>> https://pairlist4.pair.net/mailman/listinfo/scons-users
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> Scons-users mailing list
>>>>>>>>>> Scons-users at scons.org
>>>>>>>>>> https://pairlist4.pair.net/mailman/listinfo/scons-users
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> Scons-users mailing list
>>>>>>>>>> Scons-users at scons.org
>>>>>>>>>> https://pairlist4.pair.net/mailman/listinfo/scons-users
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> Scons-users mailing list
>>>>>>>> Scons-users at scons.org
>>>>>>>> https://pairlist4.pair.net/mailman/listinfo/scons-users
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Scons-users mailing list
>>>>>>> Scons-users at scons.org
>>>>>>> https://pairlist4.pair.net/mailman/listinfo/scons-users
>>>>>>>
>>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Scons-users mailing list
>>>>>> Scons-users at scons.org
>>>>>> https://pairlist4.pair.net/mailman/listinfo/scons-users
>>>>>>
>>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Scons-users mailing list
>>>>> Scons-users at scons.org
>>>>> https://pairlist4.pair.net/mailman/listinfo/scons-users
>>>>>
>>>>>
>>>>
>>>
>>> _______________________________________________
>>> Scons-users mailing list
>>> Scons-users at scons.org
>>> https://pairlist4.pair.net/mailman/listinfo/scons-users
>>>
>>>
>>
>> _______________________________________________
>> Scons-users mailing list
>> Scons-users at scons.org
>> https://pairlist4.pair.net/mailman/listinfo/scons-users
>>
>>
>
> _______________________________________________
> Scons-users mailing list
> Scons-users at scons.org
> https://pairlist4.pair.net/mailman/listinfo/scons-users
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://pairlist4.pair.net/pipermail/scons-users/attachments/20160907/13581233/attachment-0001.html>

More information about the Scons-users mailing list