Adapt build system for building against qt6

CMakeLists.txt

@@ -82,7 +82,7 @@ install(EXPORT KF5AlarmCalendarTargets DESTINATION "${CMAKECONFIG_INSTALL_DIR}"
 
 install(FILES
    ${CMAKE_CURRENT_BINARY_DIR}/kalarmcal_version.h
-  DESTINATION ${KDE_INSTALL_INCLUDEDIR_KF5} COMPONENT Devel
+  DESTINATION ${KDE_INSTALL_INCLUDEDIR_KF} COMPONENT Devel
 )
 
 ecm_qt_install_logging_categories(

autotests/CMakeLists.txt

@@ -2,8 +2,8 @@
 # SPDX-FileCopyrightText: none
 include(ECMMarkAsTest)
 
-find_package(Qt5DBus CONFIG REQUIRED)
-find_package(Qt5Test CONFIG REQUIRED)
+find_package(Qt${QT_MAJOR_VERSION}DBus CONFIG REQUIRED)
+find_package(Qt${QT_MAJOR_VERSION}Test CONFIG REQUIRED)
 
 macro(macro_unit_tests)
   foreach(_testname ${ARGN})
@@ -12,8 +12,8 @@ macro(macro_unit_tests)
     ecm_mark_as_test(${_testname})
     target_link_libraries(${_testname}
         KF5AlarmCalendar
-        Qt::DBus
-        Qt::Test)
+        Qt${QT_MAJOR_VERSION}::DBus
+        Qt${QT_MAJOR_VERSION}::Test)
   endforeach()
 endmacro()
 if (NOT WIN32)

src/CMakeLists.txt

@@ -66,7 +66,7 @@ set_target_properties(KF5AlarmCalendar PROPERTIES
 )
 
 
-target_include_directories(KF5AlarmCalendar INTERFACE "$<INSTALL_INTERFACE:${KDE_INSTALL_INCLUDEDIR_KF5}/KAlarmCal>")
+target_include_directories(KF5AlarmCalendar INTERFACE "$<INSTALL_INTERFACE:${KDE_INSTALL_INCLUDEDIR_KF}/KAlarmCal>")
 target_include_directories(KF5AlarmCalendar PUBLIC "$<BUILD_INTERFACE:${KAlarmCal_SOURCE_DIR}/src;${KAlarmCal_BINARY_DIR}/src>")
 
 
@@ -96,17 +96,17 @@ ecm_generate_headers(KAlarmCal_CamelCase_HEADERS
 install(FILES
         ${CMAKE_CURRENT_BINARY_DIR}/kalarmcal_export.h
         ${KAlarmCal_HEADERS}
-        DESTINATION ${KDE_INSTALL_INCLUDEDIR_KF5}/KAlarmCal/kalarmcal
+        DESTINATION ${KDE_INSTALL_INCLUDEDIR_KF}/KAlarmCal/kalarmcal
         COMPONENT Devel
 )
 install(FILES
         ${KAlarmCal_CamelCase_HEADERS}
-        DESTINATION ${KDE_INSTALL_INCLUDEDIR_KF5}/KAlarmCal/KAlarmCal/
+        DESTINATION ${KDE_INSTALL_INCLUDEDIR_KF}/KAlarmCal/KAlarmCal/
         COMPONENT Devel
 )
 
 
-ecm_generate_pri_file(BASE_NAME KAlarmCal LIB_NAME KF5AlarmCalendar DEPS "KHolidays KIdentityManagement KCoreAddons KCalendarCore AkonadiCore" FILENAME_VAR PRI_FILENAME INCLUDE_INSTALL_DIR ${KDE_INSTALL_INCLUDEDIR_KF5}/KAlarmCal/)
+ecm_generate_pri_file(BASE_NAME KAlarmCal LIB_NAME KF5AlarmCalendar DEPS "KHolidays KIdentityManagement KCoreAddons KCalendarCore AkonadiCore" FILENAME_VAR PRI_FILENAME INCLUDE_INSTALL_DIR ${KDE_INSTALL_INCLUDEDIR_KF}/KAlarmCal/)
 
 if (BUILD_QCH)
     ecm_add_qch(