Adapt build system to Qt6

CMakeLists.txt

@@ -22,7 +22,7 @@ include(KDECompilerSettings NO_POLICY_SCOPE)
 include(ECMQtDeclareLoggingCategory)
 include(FeatureSummary)
 
-find_package(Qt5 ${QT_MIN_VERSION} CONFIG REQUIRED COMPONENTS Core Gui)
+find_package(Qt${QT_MAJOR_VERSION} ${QT_MIN_VERSION} CONFIG REQUIRED COMPONENTS Core Gui)
 find_package(KF5 ${KF_MIN_VERSION} REQUIRED COMPONENTS KIO I18n Config)
 find_package(FFmpeg COMPONENTS AVCODEC AVFORMAT SWSCALE)
 find_package(Taglib REQUIRED)
@@ -57,7 +57,7 @@ ecm_qt_declare_logging_category(ffmpegthumbs
 
 kconfig_add_kcfg_files(ffmpegthumbs ffmpegthumbnailersettings5.kcfgc)
 
-target_link_libraries(ffmpegthumbs Qt5::Core Qt5::Gui KF5::KIOWidgets KF5::KIOCore KF5::I18n KF5::ConfigCore KF5::ConfigGui ${AVUTIL_LIBRARIES} ${AVFILTER_LIBRARIES} ${AVFORMAT_LIBRARIES} ${AVCODEC_LIBRARIES} ${SWSCALE_LIBRARIES} Taglib::Taglib )
+target_link_libraries(ffmpegthumbs Qt::Core Qt::Gui KF5::KIOWidgets KF5::KIOCore KF5::I18n KF5::ConfigCore KF5::ConfigGui ${AVUTIL_LIBRARIES} ${AVFILTER_LIBRARIES} ${AVFORMAT_LIBRARIES} ${AVCODEC_LIBRARIES} ${SWSCALE_LIBRARIES} Taglib::Taglib )
 
 install(FILES ffmpegthumbnailersettings5.kcfg DESTINATION ${KDE_INSTALL_KCFGDIR})
 install(TARGETS ffmpegthumbs DESTINATION ${KDE_INSTALL_PLUGINDIR})

tests/CMakeLists.txt

@@ -21,7 +21,7 @@ kconfig_add_kcfg_files(ffmpegthumbtest ${CMAKE_CURRENT_SOURCE_DIR}/../ffmpegthum
 
 target_include_directories(ffmpegthumbtest PRIVATE ..)
 
-target_link_libraries(ffmpegthumbtest Qt5::Core Qt5::Gui KF5::KIOWidgets KF5::KIOCore KF5::I18n KF5::ConfigCore KF5::ConfigGui ${AVUTIL_LIBRARIES} ${AVFILTER_LIBRARIES} ${AVFORMAT_LIBRARIES} ${AVCODEC_LIBRARIES} ${SWSCALE_LIBRARIES} Taglib::Taglib)
+target_link_libraries(ffmpegthumbtest Qt::Core Qt::Gui KF5::KIOWidgets KF5::KIOCore KF5::I18n KF5::ConfigCore KF5::ConfigGui ${AVUTIL_LIBRARIES} ${AVFILTER_LIBRARIES} ${AVFORMAT_LIBRARIES} ${AVCODEC_LIBRARIES} ${SWSCALE_LIBRARIES} Taglib::Taglib)