Hello Iassoan,
Yes, I have built it, and successful without error.
But after installing the Slicer from the “installer package”, The Module folder and Extensions disappeared.
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77>Qt5WebChannel.dll is up to date.
77>libGLESv2.dll is up to date.
77>libEGL.dll is up to date.
77>D3Dcompiler_47.dll is up to date.
77>opengl32sw.dll is up to date.
77>Creating C:\Slicer_new\Slicer-build_CPack_Packages\win-amd64\NSIS\Slicer-4.11.0-2020-07-04-win-amd64\bin\resources…
77>Updating icudtl.dat.
77>Updating qtwebengine_devtools_resources.pak.
77>Updating qtwebengine_resources.pak.
77>Updating qtwebengine_resources_100p.pak.
77>Updating qtwebengine_resources_200p.pak.
77>Creating C:\Slicer_new\Slicer-build_CPack_Packages\win-amd64\NSIS\Slicer-4.11.0-2020-07-04-win-amd64\bin\translations\qtwebengine_locales…
77>Updating en-US.pak.
77>CPack: Create package
77>CPack: - package: C:/Slicer_new/Slicer-build/Slicer-4.11.0-2020-07-04-win-amd64.exe generated.
========== 生成: 成功 77 个，失败 0 个，最新 504 个，跳过 0 个 ==========