switched (back) to qt6

.gitlab-ci.yml

@@ -3,7 +3,7 @@ build-job:
   image: ubuntu:22.04
   script:
     - apt-get update
-    - apt-get install -y git cmake g++ freeglut3-dev qtbase5-dev qt5-qmake qtbase5-dev-tools
+    - apt-get install -y git cmake g++ freeglut3-dev qt6-base-dev qt5-qmake qtbase5-dev-tools
     - mkdir -p build
     - cd build
     - cmake ..

CMakeLists.txt

@@ -15,8 +15,8 @@ set(CMAKE_AUTOUIC ON)
 set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-find_package(QT NAMES Qt5 REQUIRED COMPONENTS Core)
-find_package(Qt5 REQUIRED COMPONENTS Gui Widgets)
+find_package(QT NAMES Qt5 Qt6 REQUIRED COMPONENTS Core)
+find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Gui Widgets)
 find_package(OpenMP)
 
 add_executable(samplebrain WIN32 MACOSX_BUNDLE
@@ -56,9 +56,9 @@ target_include_directories(samplebrain PRIVATE
 )
 
 target_link_libraries(samplebrain PRIVATE
-    Qt5::Core
-    Qt5::Gui
-    Qt5::Widgets
+    Qt::Core
+    Qt::Gui
+    Qt::Widgets
     fftw3
     lo_shared
     portaudio
@@ -80,11 +80,11 @@ set(samplebrain_resource_files
     "app/images/stop.png"
 )
 
-qt5_add_resources(samplebrain "samplebrain"
+qt_add_resources(samplebrain "samplebrain"
     PREFIX
         "/images"
-#    BASE
-#        "app"
+    BASE
+        "app"
     FILES
         ${samplebrain_resource_files}
 )