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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">It’s a little more complicated than just saying Windows 10 and turning on a regkey. There are other changes that need to be enabled in order to get the whole scenario working.
 The main one being that MSBuild needs to be updated and manifested to be able to use paths longer than 260 characters. Even if the files were created properly, they couldn’t be read or written without the tool that was using them being updated.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Many pieces of the system have assumptions on the 260 character limit and they all need to be moved forward for this to work properly. This will be a staged migration.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Thanks<o:p></o:p></span></p>
<p class="MsoNormal"><a name="_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></a></p>
<span style="mso-bookmark:_MailEndCompose"></span>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> CMake [mailto:cmake-bounces@cmake.org]
<b>On Behalf Of </b>mike lojkovic<br>
<b>Sent:</b> Thursday, September 8, 2016 06:58<br>
<b>To:</b> Cmake@cmake.org<br>
<b>Subject:</b> Re: [CMake] Windows path too long<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p>Can you change to windows 10? If you are on 10, you can turn the restriction off. Otherwise, I believe there's complicated ways to shorten the path.
<o:p></o:p></p>
<p><a href="http://m.slashdot.org/story/311861">http://m.slashdot.org/story/311861</a><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Sep 7, 2016 8:07 AM, "David Cole via CMake" <<a href="mailto:cmake@cmake.org">cmake@cmake.org</a>> wrote:<o:p></o:p></p>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt">
<p class="MsoNormal">I suppose the obvious "use shorter paths and names" is not possible or hard to enforce?<br>
<br>
<br>
David<br>
<br>
<br>
> On Sep 7, 2016, at 2:55 AM, Robert Bielik <<a href="mailto:Robert.Bielik@dirac.com">Robert.Bielik@dirac.com</a>> wrote:<br>
><br>
> I have a problem with a VS 2015 project, where the build state path becomes too long:<br>
><br>
> Severity    Code    Description    Project    File    Line    Suppression State<br>
> Error    MSB3491    Could not write lines to file "processor_withAVeryVeryLongName.dir\Release\processo.92BD73FC.tlog\processor_withAVeryVeryLongName.lastbuildstate". The specified path, file name, or both are too long. The fully qualified file name must
 be less than 260 characters, and the directory name must be less than 248 characters.    processor_withAVeryVeryLongName    C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V140\Microsoft.CppBuild.targets    312<br>
><br>
> The line in Microsoft.CppBuild.targets is:<br>
><br>
> <WriteLinesToFile Overwrite="true" File="$(LastBuildState)" Lines="$(ProjectStateLine);$(ProjectEvaluationFingerprint)"/><br>
><br>
> I've set CMAKE_OBJECT_PATH_MAX to 240, but I don't think it will affect this...<br>
><br>
> Ideas ?<br>
><br>
> This is with CMake 3.5.2.<br>
><br>
> Regards<br>
> /Robert<br>
><br>
> --<br>
><br>
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