Very hacky workaround for current linker failures

.github/workflows/github-cxx-qt-tests.yml

@@ -193,13 +193,8 @@ jobs:
     # Ensure clippy and rustfmt is installed, they should come from github runner
     #
     # Note we still need rustfmt for the cxx-qt-gen tests
-    #
-    # TODO: Remove the `rustup default 1.77` selection.
-    # This is a workaround for Github Actions, which cannot currently compile CXX-Qt with Rust 1.78.
-    #
-    # See: https://github.com/KDAB/cxx-qt/issues/958
     - name: "Install Rust toolchain"
-      run: rustup default 1.77 && rustup component add clippy rustfmt
+      run: rustup component add clippy rustfmt
 
     - name: "Rust tools cache"
       uses: actions/cache@v4

examples/demo_threading/CMakeLists.txt

@@ -60,6 +60,10 @@ target_link_libraries(${APP_NAME}_lib INTERFACE
     Qt::QuickControls2
 )
 
+if (MSVC)
+    add_link_options("/FORCE:MULTIPLE")
+endif()
+
 # Qt Graphical Effects imports changed in Qt 6 so provide proxies
 if(Qt5_FOUND)
     set(QML_COMPAT_RESOURCES qml/compat/compat_qt5.qrc)

examples/qml_features/CMakeLists.txt

@@ -60,6 +60,10 @@ target_link_libraries(${APP_NAME}_lib INTERFACE
     Qt::QuickControls2
 )
 
+if (MSVC)
+    add_link_options("/FORCE:MULTIPLE")
+endif()
+
 add_executable(${APP_NAME}
     cpp/main.cpp
 )

examples/qml_minimal/CMakeLists.txt

@@ -89,6 +89,11 @@ target_link_libraries(${APP_NAME}_lib INTERFACE
 )
 # ANCHOR_END: book_cmake_use_corrosion
 
+if (MSVC)
+    add_link_options("/FORCE:MULTIPLE")
+endif()
+
+
 # ANCHOR: book_cmake_executable
 # Define the executable with the C++ source
 add_executable(${APP_NAME} cpp/main.cpp)