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

William Blevins wblevins001 at gmail.com
Thu Sep 8 11:35:05 EDT 2016


Shane,

This is related to the future imports. We may look into trying to support
both eventually. We aren't ready to release Python3 support fully
regardless.

V/R,
William

On Thu, Sep 8, 2016 at 11:00 AM, Shane Gannon <sgannon200 at gmail.com> wrote:

> Hi William
>
> Based on the error I thought it might be something like that. But I'm
> using Python 2.7.5 which does support the print 'my text' style.
>
> AFAIK it only moved to print('my text') in Python 3.
>
> Regards
> Shane
>
> On Thu, Sep 8, 2016 at 3:41 PM, William Blevins <wblevins001 at gmail.com>
> wrote:
>
>> Shane,
>>
>> Latest SCons out of development only supports 2.7+ which means requiring
>> print as a function currently; therefore, you are missing parenthesis.
>>
>> V/R,
>> William
>>
>> On Thu, Sep 8, 2016 at 9:06 AM, Shane Gannon <sgannon200 at gmail.com>
>> wrote:
>>
>>> Hi Bill
>>>
>>> Actually I made a mistake. Your suggestion
>>>
>>> *artifacts = envLocal.SharedLibrary('Library', objFiles)*
>>>
>>> does work. Last night I passed the objFiles into a builder for the wrong
>>> platform. Today, when I noticed the mistake and corrected it, the build
>>> passed.
>>>
>>> I installed the latest development code following the instructions here
>>>
>>> https://bitbucket.org/scons/scons
>>>
>>> but I got an unusual error
>>>
>>>
>>>     print 'my text output'
>>>
>>>               ^
>>>
>>> SyntaxError: invalid syntax
>>>
>>> Any ideas?
>>>
>>> Regards
>>> Shane
>>>
>>> On Thu, Sep 8, 2016 at 12:32 AM, Bill Deegan <bill at baddogconsulting.com>
>>> wrote:
>>>
>>>> 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 som
>>>>>>> ewhat.
>>>>>>>
>>>>>>> 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
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> _______________________________________________
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>>>>>>>>>>>>>>>
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>>>>>>>>>>>>>
>>>>>>>>>>>>
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