QT_NO_UTF8_SOURCE

Prevents forcing source files to be treated as UTF-8 for Windows.

This property was introduced in Qt 6.0.

When building with some compilers for Windows, targets that link to a Qt library will use flags that force the compiler to treat its source files as UTF-8. This is currently implemented for Visual Studio and Intel compilers. You can disable this behavior on a per-target basis by setting the property to TRUE:

 set_property(TARGET target_name PROPERTY QT_NO_UTF8_SOURCE TRUE)

Note: This does not change the runtime behavior of classes like QString (its constructor from const char * requires properly encoded UTF-8 input). Use the QT_NO_CAST_FROM_ASCII and QT_RESTRICTED_CAST_FROM_ASCII macros to help identify such code.

See also qt_disable_unicode_defines() and qt6_allow_non_utf8_sources().

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