# An error was encountered while compiling from scratch

**URL:** <https://discourse.slicer.org/t/an-error-was-encountered-while-compiling-from-scratch/22192>\
**Category:** Development\
**Tags:** build, itk\
**Created:** [February 26, 2022, 6:55am UTC](https://discourse.slicer.org/t/an-error-was-encountered-while-compiling-from-scratch/22192 "2022-02-26T06:55:08Z")\
**Posts on this page:** 6\
**Page:** 1

<div class="post-metadata">

**Author:** ![Tesla2678](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/tesla2678/32/9062_2.png) [@Tesla2678](https://discourse.slicer.org/u/Tesla2678)\
**Post date:** [February 26, 2022, 6:55am UTC](https://discourse.slicer.org/t/an-error-was-encountered-while-compiling-from-scratch/22192/1 "2022-02-26T06:55:09Z")

</div>

Operating system: Win10  
Slicer version: Compiling from GIT\_REPOSITORY git://github.com/Slicer/Slicer  
GIT\_TAG v4.11.20200930  
Expected behavior:  
Actual behavior:

Error Log:

| Severity | Code | Description | Project | File | Line | Suppression State |
| --- | --- | --- | --- | --- | --- | --- |
| Error | C2169 | ‘lrintf’: intrinsic function, cannot be defined [G:\D\S4R\ITK-build\Modules\ThirdParty\OpenJPEG\src\openjpeg\itkopenjpeg.vcxproj] | ITK | G:\D\S4R\ITK\Modules\ThirdParty\OpenJPEG\src\openjpeg\opj\_includes.h | 106 | |
| Error | C2169 | ‘lrintf’: intrinsic function, cannot be defined [G:\D\S4R\ITK-build\Modules\ThirdParty\OpenJPEG\src\openjpeg\itkopenjpeg.vcxproj] | ITK | G:\D\S4R\ITK\Modules\ThirdParty\OpenJPEG\src\openjpeg\opj\_includes.h | 106 | |
| Error | C2169 | ‘lrintf’: intrinsic function, cannot be defined [G:\D\S4R\ITK-build\Modules\ThirdParty\OpenJPEG\src\openjpeg\itkopenjpeg.vcxproj] | ITK | G:\D\S4R\ITK\Modules\ThirdParty\OpenJPEG\src\openjpeg\opj\_includes.h | 106 | |
| Error | C2169 | ‘lrintf’: intrinsic function, cannot be defined [G:\D\S4R\ITK-build\Modules\ThirdParty\OpenJPEG\src\openjpeg\itkopenjpeg.vcxproj] | ITK | G:\D\S4R\ITK\Modules\ThirdParty\OpenJPEG\src\openjpeg\opj\_includes.h | 106 | |
| Error | C2169 | ‘lrintf’: intrinsic function, cannot be defined [G:\D\S4R\ITK-build\Modules\ThirdParty\OpenJPEG\src\openjpeg\itkopenjpeg.vcxproj] | ITK | G:\D\S4R\ITK\Modules\ThirdParty\OpenJPEG\src\openjpeg\opj\_includes.h | 106 | |
| Error | C2169 | ‘lrintf’: intrinsic function, cannot be defined [G:\D\S4R\ITK-build\Modules\ThirdParty\OpenJPEG\src\openjpeg\itkopenjpeg.vcxproj] | ITK | G:\D\S4R\ITK\Modules\ThirdParty\OpenJPEG\src\openjpeg\opj\_includes.h | 106 | |
| Error | C2169 | ‘lrintf’: intrinsic function, cannot be defined [G:\D\S4R\ITK-build\Modules\ThirdParty\OpenJPEG\src\openjpeg\itkopenjpeg.vcxproj] | ITK | G:\D\S4R\ITK\Modules\ThirdParty\OpenJPEG\src\openjpeg\opj\_includes.h | 106 | |
| Error | C2169 | ‘lrintf’: intrinsic function, cannot be defined [G:\D\S4R\ITK-build\Modules\ThirdParty\OpenJPEG\src\openjpeg\itkopenjpeg.vcxproj] | ITK | G:\D\S4R\ITK\Modules\ThirdParty\OpenJPEG\src\openjpeg\opj\_includes.h | 106 | |
| Error | C2169 | ‘lrintf’: intrinsic function, cannot be defined [G:\D\S4R\ITK-build\Modules\ThirdParty\OpenJPEG\src\openjpeg\itkopenjpeg.vcxproj] | ITK | G:\D\S4R\ITK\Modules\ThirdParty\OpenJPEG\src\openjpeg\opj\_includes.h | 106 | |
| Error | C2169 | ‘lrintf’: intrinsic function, cannot be defined [G:\D\S4R\ITK-build\Modules\ThirdParty\OpenJPEG\src\openjpeg\itkopenjpeg.vcxproj] | ITK | G:\D\S4R\ITK\Modules\ThirdParty\OpenJPEG\src\openjpeg\opj\_includes.h | 106 | |
| Error | C2169 | ‘lrintf’: intrinsic function, cannot be defined [G:\D\S4R\ITK-build\Modules\ThirdParty\OpenJPEG\src\openjpeg\itkopenjpeg.vcxproj] | ITK | G:\D\S4R\ITK\Modules\ThirdParty\OpenJPEG\src\openjpeg\opj\_includes.h | 106 | |
| Error | C2169 | ‘lrintf’: intrinsic function, cannot be defined [G:\D\S4R\ITK-build\Modules\ThirdParty\OpenJPEG\src\openjpeg\itkopenjpeg.vcxproj] | ITK | G:\D\S4R\ITK\Modules\ThirdParty\OpenJPEG\src\openjpeg\opj\_includes.h | 106 | |
| Error | C2169 | ‘lrintf’: intrinsic function, cannot be defined [G:\D\S4R\ITK-build\Modules\ThirdParty\OpenJPEG\src\openjpeg\itkopenjpeg.vcxproj] | ITK | G:\D\S4R\ITK\Modules\ThirdParty\OpenJPEG\src\openjpeg\opj\_includes.h | 106 | |
| Error | C2169 | ‘lrintf’: intrinsic function, cannot be defined [G:\D\S4R\ITK-build\Modules\ThirdParty\OpenJPEG\src\openjpeg\itkopenjpeg.vcxproj] | ITK | G:\D\S4R\ITK\Modules\ThirdParty\OpenJPEG\src\openjpeg\opj\_includes.h | 106 | |
| Error | C2169 | ‘lrintf’: intrinsic function, cannot be defined [G:\D\S4R\ITK-build\Modules\ThirdParty\OpenJPEG\src\openjpeg\itkopenjpeg.vcxproj] | ITK | G:\D\S4R\ITK\Modules\ThirdParty\OpenJPEG\src\openjpeg\opj\_includes.h | 106 | |
| Error | C2169 | ‘lrintf’: intrinsic function, cannot be defined [G:\D\S4R\ITK-build\Modules\ThirdParty\OpenJPEG\src\openjpeg\itkopenjpeg.vcxproj] | ITK | G:\D\S4R\ITK\Modules\ThirdParty\OpenJPEG\src\openjpeg\opj\_includes.h | 106 | |
| Error | C2169 | ‘lrintf’: intrinsic function, cannot be defined [G:\D\S4R\ITK-build\Modules\ThirdParty\OpenJPEG\src\openjpeg\itkopenjpeg.vcxproj] | ITK | G:\D\S4R\ITK\Modules\ThirdParty\OpenJPEG\src\openjpeg\opj\_includes.h | 106 | |
| Error | C2169 | ‘lrintf’: intrinsic function, cannot be defined [G:\D\S4R\ITK-build\Modules\ThirdParty\OpenJPEG\src\openjpeg\itkopenjpeg.vcxproj] | ITK | G:\D\S4R\ITK\Modules\ThirdParty\OpenJPEG\src\openjpeg\opj\_includes.h | 106 | |
| Error | C3861 | ‘pixmapFromIcon’: identifier not found [G:\D\S4R\Slicer-build\Applications\ReaderApp\qReaderApp.vcxproj] | Slicer | G:\D\S4\Reader\Applications\ReaderApp\qReaderAppMainWindow.cxx | 83 | |
| Error | C2039 | ‘pixmapFromIcon’: is not a member of ‘qMRMLWidget’ [G:\D\S4R\Slicer-build\Applications\ReaderApp\qReaderApp.vcxproj] | Slicer | G:\D\S4\Reader\Applications\ReaderApp\qReaderAppMainWindow.cxx | 83 | |
| Error | LNK1181 | cannot open input file ‘G:\D\S4R\ITK-build\lib\Release\ITKIOJPEG2000-5.1.lib’ [G:\D\S4R\SimpleITK-build\SimpleITK-build\Code\IO\src\SimpleITKIO.vcxproj] [G:\D\S4R\SimpleITK-build\SimpleITK.vcxproj] | SimpleITK | G:\D\S4R\slicersources-build\LINK | 1 | |
| Error | LNK1181 | cannot open input file ‘G:\D\S4R\ITK-build\lib\Release\itkopenjpeg-5.1.lib’ [G:\D\S4R\Slicer-build\Modules\Loadable\CropVolume\MRML\vtkSlicerCropVolumeModuleMRML.vcxproj] | Slicer | G:\D\S4R\slicersources-build\LINK | 1 | |
| Error | LNK1181 | cannot open input file ‘G:\D\S4R\ITK-build\lib\Release\itkopenjpeg-5.1.lib’ [G:\D\S4R\Slicer-build\Modules\Loadable\Data\Logic\vtkSlicerDataModuleLogic.vcxproj] | Slicer | G:\D\S4R\slicersources-build\LINK | 1 | |
| Error | LNK1181 | cannot open input file ‘G:\D\S4R\ITK-build\lib\Release\itkopenjpeg-5.1.lib’ [G:\D\S4R\Slicer-build\Modules\Loadable\DoubleArrays\Logic\vtkSlicerDoubleArraysModuleLogic.vcxproj] | Slicer | G:\D\S4R\slicersources-build\LINK | 1 | |
| Error | LNK1181 | cannot open input file ‘G:\D\S4R\ITK-build\lib\Release\itkopenjpeg-5.1.lib’ [G:\D\S4R\Slicer-build\Modules\Loadable\Models\Logic\vtkSlicerModelsModuleLogic.vcxproj] | Slicer | G:\D\S4R\slicersources-build\LINK | 1 | |
| Error | LNK1181 | cannot open input file ‘G:\D\S4R\ITK-build\lib\Release\itkopenjpeg-5.1.lib’ [G:\D\S4R\Slicer-build\Modules\Loadable\Plots\Logic\vtkSlicerPlotsModuleLogic.vcxproj] | Slicer | G:\D\S4R\slicersources-build\LINK | 1 | |
| Error | LNK1181 | cannot open input file ‘G:\D\S4R\ITK-build\lib\Release\itkopenjpeg-5.1.lib’ [G:\D\S4R\Slicer-build\Modules\Loadable\Reformat\Logic\vtkSlicerReformatModuleLogic.vcxproj] | Slicer | G:\D\S4R\slicersources-build\LINK | 1 | |
| Error | LNK1181 | cannot open input file ‘G:\D\S4R\ITK-build\lib\Release\itkopenjpeg-5.1.lib’ [G:\D\S4R\Slicer-build\Modules\Loadable\Tables\Logic\vtkSlicerTablesModuleLogic.vcxproj] | Slicer | G:\D\S4R\slicersources-build\LINK | 1 | |
| Error | LNK1181 | cannot open input file ‘G:\D\S4R\ITK-build\lib\Release\itkopenjpeg-5.1.lib’ [G:\D\S4R\Slicer-build\Modules\Loadable\VolumeRendering\MRML\vtkSlicerVolumeRenderingModuleMRML.vcxproj] | Slicer | G:\D\S4R\slicersources-build\LINK | 1 | |
| Error | LNK1181 | cannot open input file ‘G:\D\S4R\ITK-build\lib\Release\itkopenjpeg-5.1.lib’ [G:\D\S4R\Slicer-build\Modules\Loadable\Volumes\Logic\vtkSlicerVolumesModuleLogic.vcxproj] | Slicer | G:\D\S4R\slicersources-build\LINK | 1 | |
| Error | LNK1181 | cannot open input file ‘G:\D\S4R\ITK-build\lib\Release\ITKReview-5.1.lib’ [G:\D\S4R\SimpleITK-build\SimpleITK-build\Code\BasicFilters\src\SimpleITK\_ITKReview.vcxproj] [G:\D\S4R\SimpleITK-build\SimpleITK.vcxproj] | SimpleITK | G:\D\S4R\slicersources-build\LINK | 1 | |
| Error | MSB8066 | Custom build for ‘G:\D\S4R\CMakeFiles\0cafd5a68b66939ab2437eb1b83f27f1\Slicer-mkdir.rule;G:\D\S4R\CMakeFiles\0cafd5a68b66939ab2437eb1b83f27f1\Slicer-download.rule;G:\D\S4R\CMakeFiles\0cafd5a68b66939ab2437eb1b83f27f1\Slicer-update.rule;G:\D\S4R\CMakeFiles\0cafd5a68b66939ab2437eb1b83f27f1\Slicer-patch.rule;G:\D\S4R\CMakeFiles\0cafd5a68b66939ab2437eb1b83f27f1\Slicer-configure.rule;G:\D\S4R\CMakeFiles\0cafd5a68b66939ab2437eb1b83f27f1\Slicer-build.rule;G:\D\S4R\CMakeFiles\0cafd5a68b66939ab2437eb1b83f27f1\Slicer-install.rule;G:\D\S4R\CMakeFiles\0cafd5a68b66939ab2437eb1b83f27f1\Slicer-forceconfigure.rule;G:\D\S4R\CMakeFiles\0bfa9cc8c638204a583da675ad46abf9\Slicer-complete.rule;G:\D\S4R\CMakeFiles\3ec4c2cb07dab908b277834c83f0d32a\Slicer.rule’ exited with code 1. | Slicer | C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft\VC\v160\Microsoft.CppCommon.targets | 241 | |
| Error | MSB8066 | Custom build for ‘G:\D\S4R\CMakeFiles\1a7e62b4c72f93675552ffdb4e283d65\SimpleITK-mkdir.rule;G:\D\S4R\CMakeFiles\1a7e62b4c72f93675552ffdb4e283d65\SimpleITK-download.rule;G:\D\S4R\CMakeFiles\1a7e62b4c72f93675552ffdb4e283d65\SimpleITK-update.rule;G:\D\S4R\CMakeFiles\1a7e62b4c72f93675552ffdb4e283d65\SimpleITK-patch.rule;G:\D\S4R\CMakeFiles\1a7e62b4c72f93675552ffdb4e283d65\SimpleITK-configure.rule;G:\D\S4R\CMakeFiles\1a7e62b4c72f93675552ffdb4e283d65\SimpleITK-build.rule;G:\D\S4R\CMakeFiles\1a7e62b4c72f93675552ffdb4e283d65\SimpleITK-install.rule;G:\D\S4R\CMakeFiles\0bfa9cc8c638204a583da675ad46abf9\SimpleITK-complete.rule;G:\D\S4R\CMakeFiles\3ec4c2cb07dab908b277834c83f0d32a\SimpleITK.rule’ exited with code 1. | SimpleITK | C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft\VC\v160\Microsoft.CppCommon.targets | 241 | |
| Error | MSB8066 | Custom build for ‘G:\D\S4R\CMakeFiles\def16664b35704fbaa84bdd93c4e2b4f\ITK-mkdir.rule;G:\D\S4R\CMakeFiles\def16664b35704fbaa84bdd93c4e2b4f\ITK-download.rule;G:\D\S4R\CMakeFiles\def16664b35704fbaa84bdd93c4e2b4f\ITK-update.rule;G:\D\S4R\CMakeFiles\def16664b35704fbaa84bdd93c4e2b4f\ITK-patch.rule;G:\D\S4R\CMakeFiles\def16664b35704fbaa84bdd93c4e2b4f\ITK-configure.rule;G:\D\S4R\CMakeFiles\def16664b35704fbaa84bdd93c4e2b4f\ITK-build.rule;G:\D\S4R\CMakeFiles\def16664b35704fbaa84bdd93c4e2b4f\ITK-install.rule;G:\D\S4R\CMakeFiles\def16664b35704fbaa84bdd93c4e2b4f\ITK-generate\_project\_description.rule;G:\D\S4R\CMakeFiles\0bfa9cc8c638204a583da675ad46abf9\ITK-complete.rule;G:\D\S4R\CMakeFiles\3ec4c2cb07dab908b277834c83f0d32a\ITK.rule’ exited with code 1. | ITK | C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft\VC\v160\Microsoft.CppCommon.targets | 241 | |
| Error | MSB8066 | Custom build for ‘G:\D\S4R\SimpleITK-build\CMakeFiles\bea31ce4a32ff28ae29321053c7dcf83\SimpleITK-mkdir.rule;G:\D\S4R\SimpleITK-build\CMakeFiles\bea31ce4a32ff28ae29321053c7dcf83\SimpleITK-download.rule;G:\D\S4R\SimpleITK-build\CMakeFiles\bea31ce4a32ff28ae29321053c7dcf83\SimpleITK-update.rule;G:\D\S4R\SimpleITK-build\CMakeFiles\bea31ce4a32ff28ae29321053c7dcf83\SimpleITK-patch.rule;G:\D\S4R\SimpleITK-build\CMakeFiles\bea31ce4a32ff28ae29321053c7dcf83\SimpleITK-configure.rule;G:\D\S4R\SimpleITK-build\CMakeFiles\bea31ce4a32ff28ae29321053c7dcf83\SimpleITK-forcebuild.rule;G:\D\S4R\SimpleITK-build\CMakeFiles\bea31ce4a32ff28ae29321053c7dcf83\SimpleITK-build.rule;G:\D\S4R\SimpleITK-build\CMakeFiles\bea31ce4a32ff28ae29321053c7dcf83\SimpleITK-install.rule;G:\D\S4R\SimpleITK-build\CMakeFiles\dc2d5d416f291e6d934e2a60d82d1eca\SimpleITK-complete.rule;G:\D\S4R\SimpleITK-build\CMakeFiles\5040735efd2b41c4a2b661c42d101b3a\SimpleITK.rule’ exited with code 1. [G:\D\S4R\SimpleITK-build\SimpleITK.vcxproj] | SimpleITK | C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft\VC\v160\Microsoft.CppCommon.targets | 241 | |

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<div class="post-metadata">

**Author:** ![jamesobutler](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jamesobutler/32/7511_2.png) [@jamesobutler](https://discourse.slicer.org/u/jamesobutler)\
**Post date:** [February 26, 2022, 1:07pm UTC](https://discourse.slicer.org/t/an-error-was-encountered-while-compiling-from-scratch/22192/2 "2022-02-26T13:07:48Z")

</div>

The OpenJPEG build error as part of the ITK project is because you’re likely using Visual Studio 2019 version 16.9 or later. This issue was fixed in [this commit](https://github.com/InsightSoftwareConsortium/ITK/commit/7cebc26dfae73d90dbf4702aa1ccc544e9b70a37), but that means you will need to build latest Slicer `master` branch to have that included. You were building Slicer 4.11.20200930 which is quite old and even older than the current Slicer 4.11.20210226.

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<div class="post-metadata">

**Author:** ![Tesla2678](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/tesla2678/32/9062_2.png) [@Tesla2678](https://discourse.slicer.org/u/Tesla2678)\
**Post date:** [February 27, 2022, 12:19am UTC](https://discourse.slicer.org/t/an-error-was-encountered-while-compiling-from-scratch/22192/3 "2022-02-27T00:19:00Z")

</div>

Thank you very much for your help!

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<div class="post-metadata">

**Author:** ![episodes](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/episodes/32/13082_2.png) [@episodes](https://discourse.slicer.org/u/episodes)\
**Post date:** [February 27, 2022, 10:13am UTC](https://discourse.slicer.org/t/an-error-was-encountered-while-compiling-from-scratch/22192/4 "2022-02-27T10:13:34Z")

</div>

Hi, I also have this issue when compiling the itk, the errors log in following  
I’m using the recent latest master [2130539](https://github.com/Slicer/Slicer/commit/2130539eca41e85998fe204fd518bf6c1697448f).  
Windows 10, Visual Studio 2019.

| Severity | Code | Description | Project | File | Line | Suppression State |
| --- | --- | --- | --- | --- | --- | --- |
| Error | FTK1011 | could not create the new file tracking log file: E:\D\S4R\python-build\CMakeBuild\libpython\libpython-shared.dir\Release\libpython-shared.tlog\CL.read.1.tlog. The file exists. [E:\D\S4R\python-build\CMakeBuild\libpython\libpython-shared.vcxproj] | python | E:\D\S4R\FileTracker | 1 | |
| Error | MSB8066 | Custom build for ‘E:\D\S4R\CMakeFiles\97c3c836647774d07e0f8365888f6630\python-update.rule;E:\D\S4R\CMakeFiles\97c3c836647774d07e0f8365888f6630\python-patch.rule;E:\D\S4R\CMakeFiles\97c3c836647774d07e0f8365888f6630\python-configure.rule;E:\D\S4R\CMakeFiles\97c3c836647774d07e0f8365888f6630\python-build.rule;E:\D\S4R\CMakeFiles\97c3c836647774d07e0f8365888f6630\python-install.rule;E:\D\S4R\CMakeFiles\97c3c836647774d07e0f8365888f6630\python-configure\_python\_launcher.rule;E:\D\S4R\CMakeFiles\a292924acdc90ab5003f524bcf7a9fa8\python-complete.rule;E:\D\S4R\CMakeFiles\18dd41b82dccc87fa779d30114192df1\python.rule’ exited with code 1. | python | E:\Program Files\Microsoft Visual Studio\2019\MSBuild\Microsoft\VC\v160\Microsoft.CppCommon.targets | 241 | |
| Error | LNK1104 | cannot open file ‘hdf5-shared.dir\Debug\itkhdf5-shared-5.3\_D.ilk’ [E:\D\S4R\ITK-build\Modules\ThirdParty\HDF5\src\itkhdf5\src\hdf5-shared.vcxproj] | ITK | E:\D\S4R\LINK | 1 | |
| Error | MSB8066 | Custom build for ‘E:\D\S4R\CMakeFiles\5192aa6b129195b05a27c64828fbcc8c\ITK-update.rule;E:\D\S4R\CMakeFiles\5192aa6b129195b05a27c64828fbcc8c\ITK-patch.rule;E:\D\S4R\CMakeFiles\5192aa6b129195b05a27c64828fbcc8c\ITK-configure.rule;E:\D\S4R\CMakeFiles\5192aa6b129195b05a27c64828fbcc8c\ITK-build.rule;E:\D\S4R\CMakeFiles\5192aa6b129195b05a27c64828fbcc8c\ITK-generate\_project\_description.rule;E:\D\S4R\CMakeFiles\5192aa6b129195b05a27c64828fbcc8c\ITK-install.rule;E:\D\S4R\CMakeFiles\a292924acdc90ab5003f524bcf7a9fa8\ITK-complete.rule;E:\D\S4R\CMakeFiles\18dd41b82dccc87fa779d30114192df1\ITK.rule’ exited with code 1. | ITK | E:\Program Files\Microsoft Visual Studio\2019\MSBuild\Microsoft\VC\v160\Microsoft.CppCommon.targets | 241 | |

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<div class="post-metadata">

**Author:** ![Tesla2678](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/tesla2678/32/9062_2.png) [@Tesla2678](https://discourse.slicer.org/u/Tesla2678)\
**Post date:** [February 27, 2022, 12:19pm UTC](https://discourse.slicer.org/t/an-error-was-encountered-while-compiling-from-scratch/22192/5 "2022-02-27T12:19:21Z")

</div>

I found a similar problem too.

| Severity | Code | Description | Project | File | Line | Suppression State |
| --- | --- | --- | --- | --- | --- | --- |
| Error | MSB8066 | Custom build for ‘G:\D\S4R\CMakeFiles\056af00fbcb6f7a6d2862779596164d4\VTK-mkdir.rule;G:\D\S4R\CMakeFiles\056af00fbcb6f7a6d2862779596164d4\VTK-download.rule;G:\D\S4R\CMakeFiles\056af00fbcb6f7a6d2862779596164d4\VTK-update.rule;G:\D\S4R\CMakeFiles\056af00fbcb6f7a6d2862779596164d4\VTK-patch.rule;G:\D\S4R\CMakeFiles\056af00fbcb6f7a6d2862779596164d4\VTK-configure.rule;G:\D\S4R\CMakeFiles\056af00fbcb6f7a6d2862779596164d4\VTK-build.rule;G:\D\S4R\CMakeFiles\056af00fbcb6f7a6d2862779596164d4\VTK-install.rule;G:\D\S4R\CMakeFiles\056af00fbcb6f7a6d2862779596164d4\VTK-create\_egg\_info.rule;G:\D\S4R\CMakeFiles\056af00fbcb6f7a6d2862779596164d4\VTK-generate\_project\_description.rule;G:\D\S4R\CMakeFiles\9a88963b650b8ed4a136076ae8474d88\VTK-complete.rule;G:\D\S4R\CMakeFiles\9a6b592a162e4c963002606657e923f6\VTK.rule’ exited with code 1. | VTK | C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft\VC\v160\Microsoft.CppCommon.targets | 241 | |

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<div class="post-metadata">

**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [March 14, 2022, 9:55pm UTC](https://discourse.slicer.org/t/an-error-was-encountered-while-compiling-from-scratch/22192/6 "2022-03-14T21:55:38Z")

</div>

> [@episodes](#):
>
> could not create the new file tracking log file: E:\D\S4R\python-build\CMakeBuild\libpython\libpython-shared.dir\Release\libpython-shared.tlog\CL.read.1.tlog. The file exists

This error indicates that something interferes with the build process. Maybe a build is already running in the background (closing the command-line console may not terminate the build process that was started from there). Or maybe the antivirus software interferes with file creation. Restarting the computer may fix the issue, but if not then update to very latest Slicer master version and restart the build from scratch (remove the entire build folder before restarting the build).

> [@Tesla2678](#):
>
> I found a similar problem too.

You haven’t included the lower-level error messages. From the information you provided it is not possible to say what went wrong. See how you can get more detailed error log [here](https://slicer.readthedocs.io/en/latest/developer_guide/build_instructions/common_errors.html#other-errors).