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

[Arvid Rosén]

Do you have pywin32 installed btw?

Arvid

On 07 Sep 2016, at 01:27, Bill Deegan <bill at baddogconsulting.com<mailto: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<mailto: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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