Start with basic template for kirigami app using cmake.

.gitmodules

@@ -0,0 +1,9 @@
+[submodule "3rdparty/kirigami"]
+	path = 3rdparty/kirigami
+	url = git://anongit.kde.org/kirigami.git
+[submodule "3rdparty/breeze-icons"]
+	path = 3rdparty/breeze-icons
+	url = git://anongit.kde.org/breeze-icons.git
+[submodule "3rdparty/extra-cmake-modules"]
+	path = 3rdparty/extra-cmake-modules
+	url = git://anongit.kde.org/extra-cmake-modules.git

3rdparty/CMakeLists.txt

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+set(BUILD_SHARED_LIBS 0)
+ 
+add_subdirectory(kirigami)

3rdparty/ecm/ECMConfig.cmake

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+
+####### Expanded from @PACKAGE_INIT@ by configure_package_config_file() #######
+####### Any changes to this file will be overwritten by the next CMake run ####
+####### The input file was ECMConfig.cmake.in                            ########
+
+get_filename_component(PACKAGE_PREFIX_DIR "${CMAKE_CURRENT_LIST_DIR}/../" ABSOLUTE)
+
+macro(set_and_check _var _file)
+  set(${_var} "${_file}")
+  if(NOT EXISTS "${_file}")
+    message(FATAL_ERROR "File or directory ${_file} referenced by variable ${_var} does not exist !")
+  endif()
+endmacro()
+
+macro(check_required_components _NAME)
+  foreach(comp ${${_NAME}_FIND_COMPONENTS})
+    if(NOT ${_NAME}_${comp}_FOUND)
+      if(${_NAME}_FIND_REQUIRED_${comp})
+        set(${_NAME}_FOUND FALSE)
+      endif()
+    endif()
+  endforeach()
+endmacro()
+
+####################################################################################
+
+set(ECM_FIND_MODULE_DIR "${PACKAGE_PREFIX_DIR}/extra-cmake-modules/find-modules/")
+
+set(ECM_MODULE_DIR "${PACKAGE_PREFIX_DIR}/extra-cmake-modules/modules/")
+
+set(ECM_KDE_MODULE_DIR "${PACKAGE_PREFIX_DIR}/extra-cmake-modules/kde-modules/")
+
+set(ECM_PREFIX "${PACKAGE_PREFIX_DIR}")
+
+set(ECM_MODULE_PATH "${ECM_MODULE_DIR}" "${ECM_FIND_MODULE_DIR}" "${ECM_KDE_MODULE_DIR}")
+
+set(ECM_GLOBAL_FIND_VERSION "${ECM_FIND_VERSION}")
+
+include("${ECM_MODULE_DIR}/ECMUseFindModules.cmake")

3rdparty/ecm/ECMConfigVersion.cmake

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+# This is a basic version file for the Config-mode of find_package().
+# It is used by write_basic_package_version_file() as input file for configure_file()
+# to create a version-file which can be installed along a config.cmake file.
+#
+# The created file sets PACKAGE_VERSION_EXACT if the current version string and
+# the requested version string are exactly the same and it sets
+# PACKAGE_VERSION_COMPATIBLE if the current version is >= requested version.
+# The variable CVF_VERSION must be set before calling configure_file().
+
+set(PACKAGE_VERSION "5.63.0")
+
+if(PACKAGE_VERSION VERSION_LESS PACKAGE_FIND_VERSION)
+  set(PACKAGE_VERSION_COMPATIBLE FALSE)
+else()
+  set(PACKAGE_VERSION_COMPATIBLE TRUE)
+  if(PACKAGE_FIND_VERSION STREQUAL PACKAGE_VERSION)
+    set(PACKAGE_VERSION_EXACT TRUE)
+  endif()
+endif()
+
+# if the installed or the using project don't have CMAKE_SIZEOF_VOID_P set, ignore it:
+if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "" OR "" STREQUAL "")
+   return()
+endif()
+
+# check that the installed version has the same 32/64bit-ness as the one which is currently searching:
+if(NOT CMAKE_SIZEOF_VOID_P STREQUAL "")
+   math(EXPR installedBits " * 8")
+   set(PACKAGE_VERSION "${PACKAGE_VERSION} (${installedBits}bit)")
+   set(PACKAGE_VERSION_UNSUITABLE TRUE)
+endif()

CMakeLists.txt

@@ -1,7 +1,24 @@
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 3.2)
 
-find_package(Qt5 REQUIRED COMPONENTS Gui Qml)
+if (POLICY CMP0063)
+    cmake_policy(SET CMP0063 NEW)
+endif()
+
+set(ECM_DIR ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/ecm)
+find_package(ECM REQUIRED CONFIG)
+set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/ ${CMAKE_MODULE_PATH} ${ECM_MODULE_PATH})
+set(BREEZEICONS_DIR ${CMAKE_SOURCE_DIR}/3rdparty/breeze-icons/)
+
+find_package(Qt5 5.12 REQUIRED Core Quick Multimedia Test Widgets QuickControls2)
+
+include(KDEInstallDirs)
+include(KDECompilerSettings)
+include(KDECMakeSettings)
 
 set(CMAKE_AUTOMOC ON)
 
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
+add_subdirectory(3rdparty)
 add_subdirectory(src)

src/CMakeLists.txt

@@ -1,4 +1,18 @@
-qt5_add_resources(qiflora_SRCS resources.qrc)
+include_directories(${CMAKE_SOURCE_DIR}/3rdparty/kirigami/src)
-add_executable(qiflora main.cpp ${qiflora_SRCS})
+include(${CMAKE_SOURCE_DIR}/3rdparty/kirigami/KF5Kirigami2Macros.cmake)
-target_link_libraries(qiflora Qt5::Qml Qt5::Gui)
 
+qt5_add_resources(qiflora_SRCS kirigami-icons.qrc resources.qrc)
+
+if (CMAKE_SYSTEM_NAME STREQUAL "Android")
+    set(qiflora_EXTRA_LIBS Qt5::AndroidExtras
+    #FIXME: we shouldn't have to link to it but otherwise the lib won't be packaged on Android
+    Qt5::QuickControls2)
+else ()
+#qstyle-based qqc2 style needs a QApplication
+    set(qiflora_EXTRA_LIBS Qt5::Widgets)
+endif()
+
+add_executable(qiflora main.cpp ${qiflora_SRCS})
+target_link_libraries(qiflora kirigamiplugin Qt5::Core  Qt5::Qml Qt5::Quick Qt5::QuickControls2 ${qiflora_EXTRA_LIBS})
+
+kirigami_package_breeze_icons(ICONS application-menu document-decrypt folder-sync go-next go-previous go-up handle-left handle-right view-list-icons applications-graphics media-record-symbolic)

src/kirigami-icons.qrc

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+<RCC>
+    <qresource prefix="/org/kde/kirigami/">
+        <file alias="icons/application-menu.svg">../3rdparty/breeze-icons/icons/actions/32/application-menu.svg</file>
+        <file alias="icons/document-decrypt.svg">../3rdparty/breeze-icons/icons/actions/32/document-decrypt.svg</file>
+        <file alias="icons/folder-sync.svg">../3rdparty/breeze-icons/icons/actions/32/folder-sync.svg</file>
+        <file alias="icons/go-next.svg">../3rdparty/breeze-icons/icons/actions/22/go-next.svg</file>
+        <file alias="icons/go-previous.svg">../3rdparty/breeze-icons/icons/actions/22/go-previous.svg</file>
+        <file alias="icons/go-up.svg">../3rdparty/breeze-icons/icons/actions/22/go-up.svg</file>
+        <file alias="icons/handle-left.svg">../3rdparty/breeze-icons/icons/actions/22/handle-left.svg</file>
+        <file alias="icons/handle-right.svg">../3rdparty/breeze-icons/icons/actions/22/handle-right.svg</file>
+        <file alias="icons/view-list-icons.svg">../3rdparty/breeze-icons/icons/actions/32/view-list-icons.svg</file>
+        <file alias="icons/applications-graphics.svg">../3rdparty/breeze-icons/icons/categories/32/applications-graphics.svg</file>
+        <file alias="icons/media-record-symbolic.svg">../3rdparty/breeze-icons/icons/actions/symbolic/media-record-symbolic.svg</file>
+    </qresource>
+</RCC>