feat(app): use cmake (in progress)

tests/CMakeLists.txt

+cmake_minimum_required(VERSION 3.0)
+project(linphone)
+
+set(LINPHONE_EXEC linphone)
+
+# Use automatically moc from Qt5.
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+set(QT5_PACKAGES Core Gui Quick Widgets QuickControls2)
+
+set(LIBS "")
+foreach(package ${QT5_PACKAGES})
+  list(APPEND LIBS "Qt::${package}")
+
+find_package(Qt5 COMPONENTS ${QT5_PACKAGES})
+
+set(SOURCES
+  src/app.cpp
+  src/components/contacts/ContactModel.cpp
+  src/components/contacts/ContactsListModel.cpp
+  src/components/contacts/ContactsListProxyModel.cpp
+  src/components/notification/Notification.cpp
+  src/components/settings/AccountSettingsListModel.cpp
+  src/components/settings/AccountSettingsModel.cpp
+  src/components/settings/SettingsModel.cpp
+  src/main.cpp
+)
+
+set(HEADERS
+  src/app.hpp
+  src/components/contacts/ContactModel.hpp
+  src/components/contacts/ContactsListModel.hpp
+  src/components/contacts/ContactsListProxyModel.hpp
+  src/components/notification/Notification.hpp
+  src/components/presence/Presence.hpp
+  src/components/settings/AccountSettingsListModel.hpp
+  src/components/settings/AccountSettingsModel.hpp
+  src/components/settings/SettingsModel.hpp
+)
+
+# Include `qrc` files.
+qt5_add_resources(RESOURCES resources.qrc)
+
+# Build.
+add_executable(${LINPHONE_EXEC} ${SOURCES} ${HEADERS} ${RESOURCES})
+target_link_libraries(${LINPHONE_EXEC} ${LIBS})