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* Tests: Fix Qt*Autogen.MocIncludeSymlink test on WindowsBrad King2022-02-251-1/+3
| | | | | | | | | | | | | This test runs the `Tests/QtAutogen/MocInclude` test inside symlinked directories. The `MocInclude` test previously relied on `get_filename_component(... REALPATH)` to get the real source tree location and compute the path to `AutogenCoreTest.cmake` from it. However, this does not work on Windows due to issue #17206. The test has been passing on Windows only on machines where symlinks cannot be created and the main part of the test is skipped. On machines where symlinks can be created, the test failed with that approach. Fix it by explicitly passing the path to the helper script in as a cache entry. Avoid relying on `REALPATH`.
* Tests: Add support for testing Qt6Craig Scott2021-10-041-1/+2
| | | | | | | | | | | | The minimum CMake version for Qt6 is 3.16, so all the calls to cmake_minimum_required() are updated here to enforce that minimum. This will avoid any CMake version-related warnings from Qt. Avoid hard-coding Qt5 where the tests could now be using Qt5 or Qt6. Fixes: #22188
* Autogen: Turn off moc path prefix generation by defaultJoerg Bornemann2020-08-101-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change the default value of `CMAKE_AUTOMOC_PATH_PREFIX` to `OFF` to restore compatibility with behavior of CMake 3.15 and below. C++ source files that are generated by Qt's meta object compiler (moc) include the header file that was passed as input argument to moc. This is usually a path relative to the source directory, for example #include "../../source/dir/myobject.h" That is problematic for reproducible builds as described in #18815. To cope with that, the target property AUTOMOC_PATH_PREFIX was introduced in CMake 3.16 by commit d018d27c10 (Autogen: Add moc path prefix generation (AUTOMOC_PATH_PREFIX), 2019-09-13, v3.16.0-rc1~94^2~4). The property is default-initialized from the variable `CMAKE_AUTOMOC_PATH_PREFIX`, which defaults to `ON`. If this property is ON, and myobject.h is located in an include directory of the target, moc-generated C++ files include the file without the "path prefix": #include "myobject.h" This behavior, however, can break projects that have equally named header files in different include directories. As "not breaking existing projects" trumps "have reproducible builds by default" we change the default of `CMAKE_AUTOMOC_PATH_PREFIX` to `OFF`. Also, it is now possible to pass `-DCMAKE_AUTOMOC_PATH_PREFIX=ON` on the CMake command line. Before, it was overridden in `CMakeGenericSystem`. Fixes: #20598 Issue: #18815
* Tests: At QtAutogen.MocIncludeSymlink testSebastian Holtermann2019-09-181-0/+80