Qt 5 Core Compatibility APIs
The Qt 5 Core Compat module contains the Qt Core APIs which will be no longer supported in Qt 6 and therefore were removed from Qt 6. The module is provided to facilitate the transition to Qt 6.
find_package() command to locate the needed module components in the
find_package(Qt6 COMPONENTS Core5Compat REQUIRED) target_link_libraries(mytarget PUBLIC Qt6::Core5Compat)
See also the Build with CMake overview.
To configure the module for building with qmake, add the module as a value of the
QT variable in the project's .pro file:
QT += core5compat
Qt 5 Core Compat is available under commercial licenses from The Qt Company. In addition, it is available under free software licenses: The GNU Lesser General Public License, version 3, or the GNU General Public License, version 2. See Qt Licensing for further details.
Furthermore, Qt 5 Core Compat in Qt 6.0.4 does contain third party modules under following permissive licenses:
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