allow detection of qt5 or qt6

Signed-off-by: Matthieu Gallien <[email protected]>

CMakeLists.txt

@@ -108,6 +108,10 @@ if(APPLE AND BUILD_OWNCLOUD_OSX_BUNDLE)
     set(BIN_INSTALL_DIR "${APPLICATION_NAME}.app/Contents/MacOS")
 endif()
 
+find_package(Qt5 COMPONENTS Core)
+if (NOT Qt5Core_FOUND)
+    find_package(Qt6 COMPONENTS Core)
+endif()
 
 option(QUICK_COMPILER "Use QtQuick compiler to improve performance" OFF)
 

shell_integration/libcloudproviders/CMakeLists.txt

@@ -41,8 +41,13 @@ macro(libcloudproviders_add_config _sources)
 endmacro(libcloudproviders_add_config _sources)
 
 
-find_package(Qt5 5.15 COMPONENTS DBus)
-IF (Qt5DBus_FOUND)
+if (Qt6_FOUND)
+    find_package(Qt6 COMPONENTS COMPONENTS DBus)
+else()
+    set(REQUIRED_QT_VERSION "5.15.0")
+    find_package(Qt5 ${REQUIRED_QT_VERSION} COMPONENTS DBus)
+endif()
+IF (Qt5DBus_FOUND OR Qt6DBus_FOUND)
     STRING(TOLOWER "${APPLICATION_VENDOR}" DBUS_VENDOR)
     STRING(REGEX REPLACE "[^A-z0-9]" "" DBUS_VENDOR "${DBUS_VENDOR}")
     STRING(REGEX REPLACE "[^A-z0-9]" "" DBUS_APPLICATION_NAME "${APPLICATION_SHORTNAME}")

src/CMakeLists.txt

@@ -4,18 +4,26 @@ endif()
 
 include(ECMEnableSanitizers)
 
-find_package(Qt5 5.15 COMPONENTS Core Network Xml Concurrent REQUIRED)
-find_package(Qt5 5.15 COMPONENTS WebEngineWidgets WebEngine)
+if (Qt6_FOUND)
+    find_package(Qt6 COMPONENTS REQUIRED Core Network Xml Concurrent WebEngineWidgets)
+else()
+    set(REQUIRED_QT_VERSION "5.15.0")
+    find_package(Qt5 ${REQUIRED_QT_VERSION} COMPONENTS REQUIRED Core Network Xml Concurrent WebEngineWidgets WebEngine)
+endif()
 
 if(Qt5WebEngine_FOUND AND Qt5WebEngineWidgets_FOUND)
   add_compile_definitions(WITH_WEBENGINE=1)
 endif()
 
-get_target_property (QT_QMAKE_EXECUTABLE Qt5::qmake IMPORTED_LOCATION)
+get_target_property (QT_QMAKE_EXECUTABLE Qt::qmake IMPORTED_LOCATION)
 message(STATUS "Using Qt ${Qt5Core_VERSION} (${QT_QMAKE_EXECUTABLE})")
 
 if(NOT TOKEN_AUTH_ONLY)
-    find_package(Qt5Keychain REQUIRED)
+    if(NOT Qt6_FOUND)
+        find_package(Qt5Keychain REQUIRED)
+    else()
+        find_package(Qt6Keychain REQUIRED)
+    endif()
 endif()
 
 # TODO: Mingw64 7.3 might also need to be excluded here as it seems to not automatically link libssp

src/cmd/CMakeLists.txt

@@ -10,8 +10,8 @@ add_library(cmdCore STATIC
 target_link_libraries(cmdCore
   PUBLIC
   Nextcloud::sync
-  Qt5::Core
-  Qt5::Network
+  Qt::Core
+  Qt::Network
   )
 
 # Need tokenizer for netrc parser

src/csync/CMakeLists.txt

@@ -89,7 +89,7 @@ generate_export_header(nextcloud_csync
 target_link_libraries(nextcloud_csync
   PUBLIC
   ${CSYNC_REQUIRED_LIBRARIES}
-  Qt5::Core Qt5::Concurrent
+  Qt::Core Qt::Concurrent
 )
 
 if(ZLIB_FOUND)

src/gui/CMakeLists.txt

@@ -1,15 +1,29 @@
 project(gui)
-find_package(Qt5 REQUIRED COMPONENTS Widgets Svg Qml Quick QuickControls2 Xml Network)
+if (Qt6_FOUND)
+    find_package(Qt6 COMPONENTS REQUIRED Widgets Svg Qml Quick QuickControls2 Xml Network)
+else()
+    set(REQUIRED_QT_VERSION "5.15.0")
+    find_package(Qt5 ${REQUIRED_QT_VERSION} COMPONENTS REQUIRED Widgets Svg Qml Quick QuickControls2 Xml Network)
+endif()
 
 if(QUICK_COMPILER)
-        find_package(Qt5QuickCompiler)
+    if (Qt6_FOUND)
+#        find_package(Qt6 COMPONENTS QuickCompiler)
+#        set_package_properties(Qt6QuickCompiler PROPERTIES
+#                DESCRIPTION "Compile QML at build time"
+#                TYPE REQUIRED
+#        )
+    else()
+        set(REQUIRED_QT_VERSION "5.15.0")
+        find_package(Qt5 ${REQUIRED_QT_VERSION} CONFIG REQUIRED QuickCompiler)
         set_package_properties(Qt5QuickCompiler PROPERTIES
                 DESCRIPTION "Compile QML at build time"
                 TYPE REQUIRED
         )
+    endif()
 endif()
 
-if (NOT TARGET Qt5::GuiPrivate)
+if (NOT TARGET Qt::GuiPrivate)
     message(FATAL_ERROR "Could not find GuiPrivate component of Qt5. It might be shipped as a separate package, please check that.")
 endif()
 
@@ -57,7 +71,7 @@ set(client_UI_SRCS
     wizard/welcomepage.ui
 )
 
-if(QUICK_COMPILER)
+if(Qt5QuickCompiler_FOUND)
     qtquick_compiler_add_resources(client_UI_SRCS ../../resources.qrc ${CMAKE_SOURCE_DIR}/theme.qrc)
 else()
     qt_add_resources(client_UI_SRCS ../../resources.qrc ${CMAKE_SOURCE_DIR}/theme.qrc)
@@ -318,9 +332,14 @@ else()
    list(APPEND 3rdparty_SRC ../3rdparty/qtlockedfile/qtlockedfile_win.cpp )
 endif()
 
-find_package(Qt5LinguistTools)
-if(Qt5LinguistTools_FOUND)
-    qt5_add_translation(client_I18N ${TRANSLATIONS})
+if (Qt6_FOUND)
+    find_package(Qt6 COMPONENTS LinguistTools)
+else()
+    set(REQUIRED_QT_VERSION "5.15.0")
+    find_package(Qt5 ${REQUIRED_QT_VERSION} COMPONENTS LinguistTools)
+endif()
+if(Qt5LinguistTools_FOUND OR Qt6LinguistTools_FOUND)
+    qt_add_translation(client_I18N ${TRANSLATIONS})
 endif()
 
 IF( WIN32 )
@@ -533,20 +552,20 @@ add_library(nextcloudCore STATIC ${final_src})
 target_link_libraries(nextcloudCore
   PUBLIC
   Nextcloud::sync
-  Qt5::Widgets
-  Qt5::GuiPrivate
-  Qt5::Svg
-  Qt5::Network
-  Qt5::Xml
-  Qt5::Qml
-  Qt5::Quick
-  Qt5::QuickControls2
+  Qt::Widgets
+  Qt::GuiPrivate
+  Qt::Svg
+  Qt::Network
+  Qt::Xml
+  Qt::Qml
+  Qt::Quick
+  Qt::QuickControls2
   )
 
 add_subdirectory(socketapi)
 
 if(Qt5WebEngine_FOUND AND Qt5WebEngineWidgets_FOUND)
-  target_link_libraries(nextcloudCore PUBLIC Qt5::WebEngineWidgets)
+  target_link_libraries(nextcloudCore PUBLIC Qt::WebEngineWidgets)
 endif()
 
 set_target_properties(nextcloudCore
@@ -604,7 +623,7 @@ else()
 
     set (QM_DIR ${OWNCLOUD_OSX_BUNDLE}/Contents/Resources/Translations)
     install(FILES ${client_I18N} DESTINATION ${QM_DIR})
-    get_target_property(_qmake Qt5::qmake LOCATION)
+    get_target_property(_qmake Qt::qmake LOCATION)
     execute_process(COMMAND ${_qmake} -query QT_INSTALL_TRANSLATIONS
         OUTPUT_VARIABLE QT_TRANSLATIONS_DIR
         OUTPUT_STRIP_TRAILING_WHITESPACE
@@ -619,7 +638,7 @@ endif()
 
 IF(BUILD_UPDATER)
     add_library(updater STATIC ${updater_SRCS})
-    target_link_libraries(updater Nextcloud::sync ${updater_DEPS} Qt5::Widgets Qt5::Svg Qt5::Network Qt5::Xml)
+    target_link_libraries(updater Nextcloud::sync ${updater_DEPS} Qt::Widgets Qt::Svg Qt::Network Qt::Xml)
     target_include_directories(updater PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
     set_target_properties(updater PROPERTIES AUTOMOC ON)
     target_link_libraries(nextcloudCore PUBLIC updater)
@@ -656,14 +675,24 @@ endif()
 
 ## handle DBUS for Fdo notifications
 if( UNIX AND NOT APPLE )
-    find_package(Qt5 COMPONENTS DBus)
-    target_link_libraries(nextcloudCore PUBLIC Qt5::DBus)
+    if (Qt6_FOUND)
+        find_package(Qt6 COMPONENTS DBus)
+    else()
+        set(REQUIRED_QT_VERSION "5.15.0")
+        find_package(Qt5 ${REQUIRED_QT_VERSION} COMPONENTS DBus)
+    endif()
+    target_link_libraries(nextcloudCore PUBLIC Qt::DBus)
     target_compile_definitions(nextcloudCore PUBLIC "USE_FDO_NOTIFICATIONS")
 endif()
 
 if (APPLE)
-    find_package(Qt5 COMPONENTS MacExtras)
-    target_link_libraries(nextcloudCore PUBLIC Qt5::MacExtras "-framework UserNotifications")
+    if (Qt6_FOUND)
+        find_package(Qt6 COMPONENTS MacExtras)
+    else()
+        set(REQUIRED_QT_VERSION "5.15.0")
+        find_package(Qt5 ${REQUIRED_QT_VERSION} CONFIG MacExtras)
+    endif()
+    target_link_libraries(nextcloudCore PUBLIC Qt::MacExtras "-framework UserNotifications")
 endif()
 
 if(WITH_CRASHREPORTER)
@@ -690,7 +719,7 @@ install(TARGETS nextcloud
 #
 # OSX: Run macdeployqt for src/gui and for src/cmd using the -executable option
 if(BUILD_OWNCLOUD_OSX_BUNDLE AND NOT BUILD_LIBRARIES_ONLY)
-    get_target_property (QT_QMAKE_EXECUTABLE Qt5::qmake IMPORTED_LOCATION)
+    get_target_property (QT_QMAKE_EXECUTABLE Qt::qmake IMPORTED_LOCATION)
     get_filename_component(QT_BIN_DIR "${QT_QMAKE_EXECUTABLE}" DIRECTORY)
     find_program(MACDEPLOYQT_EXECUTABLE macdeployqt HINTS "${QT_BIN_DIR}")
 

src/libsync/CMakeLists.txt

@@ -166,7 +166,12 @@ IF (NOT APPLE)
     )
 ENDIF(NOT APPLE)
 
-find_package(Qt5 REQUIRED COMPONENTS WebSockets)
+if (Qt6_FOUND)
+    find_package(Qt6 COMPONENTS REQUIRED WebSockets)
+else()
+    set(REQUIRED_QT_VERSION "5.15.0")
+    find_package(Qt5 ${REQUIRED_QT_VERSION} COMPONENTS REQUIRED WebSockets)
+endif()
 
 add_library(nextcloudsync SHARED ${libsync_SRCS})
 add_library(Nextcloud::sync ALIAS nextcloudsync)
@@ -177,14 +182,19 @@ target_link_libraries(nextcloudsync
   OpenSSL::Crypto
   OpenSSL::SSL
   ${OS_SPECIFIC_LINK_LIBRARIES}
-  Qt5::Core
-  Qt5::Network
-  Qt5::WebSockets
+  Qt::Core
+  Qt::Network
+  Qt::WebSockets
 )
 
 if (NOT TOKEN_AUTH_ONLY)
-    find_package(Qt5 REQUIRED COMPONENTS Widgets Svg)
-    target_link_libraries(nextcloudsync PUBLIC Qt5::Widgets Qt5::Svg qt5keychain)
+    if (Qt6_FOUND)
+        find_package(Qt6 COMPONENTS REQUIRED Widgets Svg)
+    else()
+        set(REQUIRED_QT_VERSION "5.15.0")
+        find_package(Qt5 ${REQUIRED_QT_VERSION} COMPONENTS REQUIRED Widgets Svg)
+    endif()
+    target_link_libraries(nextcloudsync PUBLIC Qt::Widgets Qt::Svg qt5keychain)
 endif()
 
 if(Inotify_FOUND)

test/CMakeLists.txt

@@ -12,7 +12,7 @@ add_library(testutils
   testhelper.cpp
 )
 
-target_link_libraries(testutils PUBLIC Nextcloud::sync Qt5::Test)
+target_link_libraries(testutils PUBLIC Nextcloud::sync Qt::Test)
 target_include_directories(testutils PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
 set_target_properties(testutils PROPERTIES FOLDER Tests)
 

test/csync/CMakeLists.txt

@@ -14,7 +14,7 @@ include_directories(
 add_library(${TORTURE_LIBRARY} STATIC torture.c cmdline.c)
 target_link_libraries(${TORTURE_LIBRARY} ${CMOCKA_LIBRARIES})
 
-set(TEST_TARGET_LIBRARIES ${TORTURE_LIBRARY} Qt5::Core Nextcloud::csync)
+set(TEST_TARGET_LIBRARIES ${TORTURE_LIBRARY} Qt::Core Nextcloud::csync)
 
 # create tests
 

test/nextcloud_add_test.cmake

@@ -1,4 +1,9 @@
-find_package(Qt5 COMPONENTS Core Test Xml Network Qml Quick REQUIRED)
+if (Qt6_FOUND)
+    find_package(Qt6 COMPONENTS REQUIRED Core Test Xml Network Qml Quick)
+else()
+    set(REQUIRED_QT_VERSION "5.15.0")
+    find_package(Qt5 ${REQUIRED_QT_VERSION} COMPONENTS REQUIRED Core Test Xml Network Qml Quick)
+endif()
 
 macro(nextcloud_add_test test_class)
     set(CMAKE_AUTOMOC TRUE)
@@ -13,8 +18,8 @@ macro(nextcloud_add_test test_class)
       testutils
       nextcloudCore
       cmdCore
-      Qt5::Test
-      Qt5::Quick
+      Qt::Test
+      Qt::Quick
     )
 
     if (WIN32)
@@ -62,10 +67,10 @@ macro(nextcloud_add_benchmark test_class)
       testutils
       nextcloudCore
       cmdCore
-      Qt5::Core
-      Qt5::Test
-      Qt5::Xml
-      Qt5::Network
+      Qt::Core
+      Qt::Test
+      Qt::Xml
+      Qt::Network
     )
 
     IF(BUILD_UPDATER)