Time to increase version + use qt_ macro + Qt::

CMakeLists.txt

-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.16)
 
 # KDE Application Version, managed by release script
 set(RELEASE_SERVICE_VERSION_MAJOR "21")
@@ -7,11 +7,11 @@ set(RELEASE_SERVICE_VERSION_MICRO "70")
 set(RELEASE_SERVICE_VERSION "${RELEASE_SERVICE_VERSION_MAJOR}.${RELEASE_SERVICE_VERSION_MINOR}.${RELEASE_SERVICE_VERSION_MICRO}")
 
 project(kalgebra VERSION ${RELEASE_SERVICE_VERSION})
-
-find_package(ECM 1.7.0 REQUIRED NO_MODULE)
+set(KF5_MIN_VERSION "5.83.0")
+find_package(ECM ${KF5_MIN_VERSION} REQUIRED NO_MODULE)
 set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake" ${ECM_MODULE_PATH})
 
-find_package(Qt5 5.14 REQUIRED NO_MODULE COMPONENTS Qml Quick Xml Svg PrintSupport Test)
+find_package(Qt5 5.15 REQUIRED NO_MODULE COMPONENTS Qml Quick Xml Svg PrintSupport Test)
 include(KDEInstallDirs)
 include(KDECompilerSettings NO_POLICY_SCOPE)
 include(KDECMakeSettings)

calgebra/CMakeLists.txt

@@ -13,7 +13,7 @@ if(HAVE_FREE_HISTORY_ENTRY)
 endif()
 
 add_executable(calgebra main.cpp)
-target_link_libraries(calgebra Qt5::Core ${READLINE_LIBRARY} KF5::Analitza)
+target_link_libraries(calgebra Qt::Core ${READLINE_LIBRARY} KF5::Analitza)
 
 install(TARGETS calgebra ${KDE_INSTALL_TARGETS_DEFAULT_ARGS})
 

mobile/CMakeLists.txt

-qt5_add_resources(KALGEBRAMOBILE_SRCS resources.qrc)
+qt_add_resources(KALGEBRAMOBILE_SRCS resources.qrc)
 
 add_executable(kalgebramobile
     ../src/consolemodel.cpp
@@ -7,7 +7,7 @@ add_executable(kalgebramobile
     main.cpp
     ${KALGEBRAMOBILE_SRCS})
 
-target_link_libraries(kalgebramobile Qt5::Qml Qt5::Quick Qt5::Gui
+target_link_libraries(kalgebramobile Qt::Qml Qt::Quick Qt::Gui
     KF5::CoreAddons KF5::I18n KF5::Analitza KF5::AnalitzaGui KF5::AnalitzaPlot)
 
 set(DESKTOPFILE_INSTALL ${KDE_INSTALL_APPDIR})
@@ -19,10 +19,10 @@ if(ANDROID)
     find_package(Qt5QuickControls2 REQUIRED)
     find_package(KF5Kirigami2 REQUIRED)
     kirigami_package_breeze_icons(ICONS list-add)
-    target_link_libraries(kalgebramobile Qt5::Svg KF5::Kirigami2 Qt5::QuickControls2)
+    target_link_libraries(kalgebramobile Qt::Svg KF5::Kirigami2 Qt::QuickControls2)
 else()
     find_package(Qt5Widgets REQUIRED)
-    target_link_libraries(kalgebramobile Qt5::Widgets)
+    target_link_libraries(kalgebramobile Qt::Widgets)
 endif()
 
 install(TARGETS kalgebramobile ${KDE_INSTALL_TARGETS_DEFAULT_ARGS})

src/CMakeLists.txt

@@ -14,7 +14,7 @@ file(GLOB ICONS_SRCS "${CMAKE_CURRENT_SOURCE_DIR}/../icons/*-apps-kalgebra.png")
 ecm_add_app_icon(kalgebra_SRCS ICONS ${ICONS_SRCS})
 
 add_executable(kalgebra ${kalgebra_SRCS})
-target_link_libraries(kalgebra Qt5::Widgets Qt5::PrintSupport Qt5::WebEngineWidgets KF5::I18n
+target_link_libraries(kalgebra Qt::Widgets Qt::PrintSupport Qt::WebEngineWidgets KF5::I18n
                                KF5::CoreAddons KF5::WidgetsAddons KF5::ConfigWidgets
                                KF5::XmlGui # HelpMenu
                                KF5::KIOCore

utils/CMakeLists.txt

 add_executable(docbook_analitzacommands main.cpp)
-target_link_libraries(docbook_analitzacommands KF5::AnalitzaGui Qt5::Widgets Qt5::Core)
+target_link_libraries(docbook_analitzacommands KF5::AnalitzaGui Qt::Widgets Qt::Core)