Use versionless Qt cmake target

This makes it easier to build against both Qt5 and Qt6

GIT_SILENT

kdecoration/CMakeLists.txt

@@ -71,9 +71,9 @@ add_library(breezedecoration MODULE
 
 target_link_libraries(breezedecoration
     PUBLIC
-        Qt5::Core
-        Qt5::Gui
-        Qt5::DBus
+        Qt::Core
+        Qt::Gui
+        Qt::DBus
     PRIVATE
         breezecommon5
         KDecoration2::KDecoration
@@ -88,7 +88,7 @@ target_link_libraries(breezedecoration
 if(BREEZE_HAVE_X11)
   target_link_libraries(breezedecoration
     PUBLIC
-      Qt5::X11Extras
+      Qt::X11Extras
       XCB::XCB)
 endif()
 

kstyle/CMakeLists.txt

@@ -81,12 +81,12 @@ set(breeze_PART_SRCS
 kconfig_add_kcfg_files(breeze_PART_SRCS ../kdecoration/breezesettings.kcfgc)
 kconfig_add_kcfg_files(breeze_PART_SRCS breezestyleconfigdata.kcfgc)
 add_library(breeze MODULE ${breeze_PART_SRCS})
-target_link_libraries(breeze Qt5::Core Qt5::Gui Qt5::Widgets Qt5::DBus)
+target_link_libraries(breeze Qt::Core Qt::Gui Qt::Widgets Qt::DBus)
 if( BREEZE_HAVE_QTQUICK )
-    target_link_libraries(breeze Qt5::Quick)
+    target_link_libraries(breeze Qt::Quick)
 endif()
 if (BREEZE_HAVE_QTX11EXTRAS)
-    target_link_libraries(breeze Qt5::X11Extras)
+    target_link_libraries(breeze Qt::X11Extras)
 endif()
 target_link_libraries(breeze KF5::ConfigCore KF5::ConfigWidgets KF5::GuiAddons KF5::IconThemes KF5::WindowSystem)
 target_link_libraries(breeze breezecommon5)

kstyle/config/CMakeLists.txt

@@ -13,7 +13,7 @@ add_library(kstyle_breeze_config MODULE
     ${kstyle_breeze_config_PART_FORMS_HEADERS}
 )
 
-target_link_libraries(kstyle_breeze_config Qt5::Core Qt5::Gui Qt5::Widgets Qt5::DBus)
+target_link_libraries(kstyle_breeze_config Qt::Core Qt::Gui Qt::Widgets Qt::DBus)
 target_link_libraries(kstyle_breeze_config KF5::ConfigCore KF5::ConfigWidgets KF5::I18n)
 install(TARGETS kstyle_breeze_config DESTINATION ${QT_PLUGIN_INSTALL_DIR})
 install(FILES breezestyleconfig.desktop DESTINATION  ${SERVICES_INSTALL_DIR})
@@ -29,7 +29,7 @@ set_package_properties(KF5KCMUtils PROPERTIES
 if( KF5KCMUtils_FOUND )
     set(breeze_settings_SOURCES main.cpp)
     add_executable(breeze-settings5 ${breeze_settings_SOURCES} )
-    target_link_libraries(breeze-settings5 Qt5::Core Qt5::Gui Qt5::Widgets )
+    target_link_libraries(breeze-settings5 Qt::Core Qt::Gui Qt::Widgets )
     target_link_libraries(breeze-settings5 KF5::I18n KF5::KCMUtils)
 
     install(TARGETS breeze-settings5 ${KDE_INSTALL_TARGETS_DEFAULT_ARGS})

libbreezecommon/CMakeLists.txt

@@ -15,8 +15,8 @@ generate_export_header(breezecommon5
 
 target_link_libraries(breezecommon5
     PUBLIC
-        Qt5::Core
-        Qt5::Gui)
+        Qt::Core
+        Qt::Gui)
 
 set_target_properties(breezecommon5 PROPERTIES
     VERSION ${PROJECT_VERSION}

misc/kde4breeze/src/CMakeLists.txt

@@ -9,7 +9,7 @@ set(kde4breeze_SRCS
 add_executable(kde4breeze ${kde4breeze_SRCS})
 
 # Select which libraries we need to link to
-target_link_libraries(kde4breeze Qt5::Widgets KF5::CoreAddons KF5::ConfigCore)
+target_link_libraries(kde4breeze Qt::Widgets KF5::CoreAddons KF5::ConfigCore)
 
 # Tell cmake to install the application binary
 install(TARGETS kde4breeze DESTINATION ${LIB_INSTALL_DIR}/kconf_update_bin/)