Problems with compiling SIP with QGIS

Severity Code Description Project File Line Suppressed Status
Error MSB8066 Custom build for "C:\OSGeo4W\QGIS\build\python\core\core.sip" exited with code 1.python_module_qgis__core C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft\VC\v160\Microsoft.CppCommon.targets 241

Solution

C:\OSGeo4W\apps\Python39\Scripts>pip install PyQt-builder==1
Looking in indexes: https://mirrors.ustc.edu.cn/pypi/web/simple
CollectingPyQt-builder==1
Downloading https://mirrors.bfsu.edu.cn/pypi/web/packages/2e/49/ecefe30e3e9a1ea16b755aa9f60cfc8f28183d9b59b450461227361dd636/PyQt_builder-1.0.0-py3-none-any.whl (5.0)
|████████████████████████████████| 5.0 MB 2.2 MB/s
Collecting sip<6,>=5
Downloading https://mirrors.bfsu.edu.cn/pypi/web/packages/0f/df/eded6ca2b3e34d329e376963c2798f799b1fa542f503896d14468bcace73/sip-5.5.0-cp39-cp39-win_amd64.whl (509 kB)
  |████████████████████████████████| 509 kB 3.3 MB/s
Requirement already satisfied:toml in c:\osgeo4w\apps\python39\lib\site-packages (from sip<6,>=5->PyQt-builder==1) (0.10.2)
Requirement already satisfied: packaging in c:\osgeo4w\apps\python39\lib\site-packages (from sip<6,>=5->PyQt-builder==1) (21.3)
Requirement already satisfied: pyparsing!=3.0.5,>=2.0.2 in c:\osgeo4w\apps\python39\lib\site-packages (from packaging->sip<6,>=5->PyQt-builder==1) (3.0.4)
Installing collected packages: sip, PyQt-builder
Attempting uninstall: sip
Found existing installation: sip 6.6.2
Uninstalling sip-6.6.2:
Successfully uninstalled sip-6.6.2
WARNING: The scripts sip-build.exe, sip-distinfo.exe, sip-install.exe, sip-module.exe, sip-sdist.exe, sip-wheel.exe and sip5.exe are installed in 'C:\OSGeo4W\apps\Python39\Scripts' which is not on PATH.
Consider adding this directory to PATH or, if you prefer to suppress this warning, use --no-warn-script-location.
Attempting uninstall: PyQt-builder
Found existing installation: PyQt-builder 1.13.0
Uninstalling PyQt-builder-1.13.0:
Successfully uninstalled PyQt-builder-1.13.0
WARNING: The script pyqt-bundle.exe is installed in 'C:\OSGeo4W\apps\Python39\Scripts' which is not on PATH.
Consider adding this directory to PATH or, if you prefer to suppress this warning, use --no-warn-script-location.
Successfully installed PyQt-builder-1.0.0 sip-5.5.0

Change to 5.5.0