+ # find_package without REQUIRED won't check for the version properly; also, older Qt5 versions
+ # used Qt5Core_VERSION_STRING... let's just make sure here that we bail out here if our Qt5 is not new enough.
+ if (NOT Qt5Core_VERSION OR Qt5Core_VERSION VERSION_LESS ${QT_MIN_VERSION})
+ message(FATAL_ERROR "Could NOT find Qt5 >= version ${QT_MIN_VERSION}!")
+ endif()
+
+ find_package(Qt5Network QUIET)
+ set_package_properties(Qt5Network PROPERTIES TYPE REQUIRED
+ DESCRIPTION "the network module for Qt5"
+ )
+
+ if (BUILD_GUI)
+ find_package(Qt5Gui QUIET)
+ set_package_properties(Qt5Gui PROPERTIES TYPE REQUIRED
+ DESCRIPTION "the GUI module for Qt5"
+ )
+ find_package(Qt5Widgets QUIET)
+ set_package_properties(Qt5Widgets PROPERTIES TYPE REQUIRED
+ DESCRIPTION "the widgets module for Qt5"
+ )
+
+ if (NOT WIN32)
+ find_package(Qt5DBus QUIET)
+ set_package_properties(Qt5DBus PROPERTIES TYPE RECOMMENDED
+ URL "http://qt.digia.com"
+ DESCRIPTION "D-Bus support for Qt5"
+ PURPOSE "Needed for supporting D-Bus-based notifications and tray icon, used by most modern desktop environments"
+ )
+ if (Qt5DBus_FOUND)
+ find_package(dbusmenu-qt5 QUIET CONFIG)
+ set_package_properties(dbusmenu-qt5 PROPERTIES TYPE RECOMMENDED
+ URL "https://launchpad.net/libdbusmenu-qt"
+ DESCRIPTION "a library implementing the DBusMenu specification"
+ PURPOSE "Required for having a context menu for the D-Bus-based tray icon"
+ )
+ endif()
+ endif()
+
+ find_package(Qt5Multimedia QUIET)
+ set_package_properties(Qt5Multimedia PROPERTIES TYPE RECOMMENDED
+ URL "http://qt.digia.com"
+ DESCRIPTION "Multimedia support for Qt5"
+ PURPOSE "Required for audio notifications"
+ )
+
+ if (NOT Qt5Multimedia_FOUND)
+ find_package(Phonon4Qt5 QUIET)
+ set_package_properties(Phonon4Qt5 PROPERTIES TYPE RECOMMENDED
+ URL "https://projects.kde.org/projects/kdesupport/phonon"
+ DESCRIPTION "a multimedia abstraction library"
+ PURPOSE "Required for audio notifications"
+ )
+ endif()
+
+ find_package(LibsnoreQt5 0.7.0 QUIET)
+ set_package_properties(LibsnoreQt5 PROPERTIES TYPE OPTIONAL
+ URL "https://projects.kde.org/projects/playground/libs/snorenotify"
+ DESCRIPTION "a cross-platform notification framework"
+ PURPOSE "Enable support for the snorenotify framework"
+ )
+ if(LibsnoreQt5_FOUND)
+ find_package(LibsnoreSettingsQt5)
+ set_package_properties(LibsnoreSettingsQt5 PROPERTIES TYPE REQUIRED
+ URL "https://projects.kde.org/projects/playground/libs/snorenotify"
+ DESCRIPTION "a cross-platform notification framework"
+ PURPOSE "Enable support for the snorenotify framework"
+ )
+ endif()
+
+
+ if (WITH_WEBKIT)
+ find_package(Qt5WebKit QUIET)
+ set_package_properties(Qt5WebKit PROPERTIES TYPE RECOMMENDED
+ URL "http://qt.digia.com"
+ DESCRIPTION "a WebKit implementation for Qt"
+ PURPOSE "Needed for displaying previews for URLs in chat"
+ )
+ if (Qt5WebKit_FOUND)
+ find_package(Qt5WebKitWidgets QUIET)
+ set_package_properties(Qt5WebKitWidgets PROPERTIES TYPE RECOMMENDED
+ URL "http://qt.digia.com"
+ DESCRIPTION "widgets for Qt's WebKit implementation"
+ PURPOSE "Needed for displaying previews for URLs in chat"
+ )
+ endif()
+ endif()
+
+ if (WITH_WEBKIT AND Qt5WebKitWidgets_FOUND)
+ set(HAVE_WEBKIT true)
+ endif()
+ add_feature_info("WITH_WEBKIT, QtWebKit and QtWebKitWidgets modules" HAVE_WEBKIT "Support showing previews for URLs in chat (legacy)")
+
+ if (WITH_WEBENGINE)
+ find_package(Qt5WebEngine QUIET)
+ set_package_properties(Qt5WebEngine PROPERTIES TYPE RECOMMENDED
+ URL "http://qt.digia.com"
+ DESCRIPTION "a WebEngine implementation for Qt"
+ PURPOSE "Needed for displaying previews for URLs in chat"
+ )
+ if (Qt5WebEngine_FOUND)
+ find_package(Qt5WebEngineWidgets QUIET)
+ set_package_properties(Qt5WebEngineWidgets PROPERTIES TYPE RECOMMENDED
+ URL "http://qt.digia.com"
+ DESCRIPTION "widgets for Qt's WebEngine implementation"
+ PURPOSE "Needed for displaying previews for URLs in chat"
+ )
+ endif()
+ endif()
+
+ if (WITH_WEBENGINE AND Qt5WebEngineWidgets_FOUND)
+ set(HAVE_WEBENGINE true)
+ endif()
+ add_feature_info("WITH_WEBENGINE, QtWebEngine and QtWebEngineWidgets modules" HAVE_WEBENGINE "Support showing previews for URLs in chat")
+
+ # KDE Frameworks
+ ################
+
+ if (WITH_KDE)
+ set(ecm_find_type "REQUIRED")
+ else()
+ # Even with KDE integration disabled, we optionally use tier1 frameworks if we find them
+ set(ecm_find_type "RECOMMENDED")
+ endif()
+
+ # extra-cmake-modules
+ find_package(ECM NO_MODULE QUIET)
+ set_package_properties(ECM PROPERTIES TYPE ${ecm_find_type}
+ URL "https://projects.kde.org/projects/kdesupport/extra-cmake-modules"
+ DESCRIPTION "extra modules for CMake, maintained by the KDE project"
+ PURPOSE "Required to find KDE Frameworks components"
+ )
+
+ if (ECM_FOUND)
+ list(APPEND CMAKE_MODULE_PATH ${ECM_MODULE_PATH})
+ if (WITH_KDE)
+ find_package(KF5 COMPONENTS ConfigWidgets CoreAddons Notifications NotifyConfig TextWidgets WidgetsAddons XmlGui QUIET)
+ set_package_properties(KF5 PROPERTIES TYPE REQUIRED
+ URL "http://www.kde.org"
+ DESCRIPTION "KDE Frameworks"
+ PURPOSE "Required for integration into the Plasma desktop"
+ )
+ else(WITH_KDE)
+ find_package(KF5Sonnet QUIET)
+ set_package_properties(KF5Sonnet PROPERTIES TYPE RECOMMENDED
+ URL "http://api.kde.org/frameworks-api/frameworks5-apidocs/sonnet/html"
+ DESCRIPTION "framework for providing spell-checking capabilities"
+ PURPOSE "Enables spell-checking support in input widgets"
+ )
+ endif(WITH_KDE)
+ endif(ECM_FOUND)
+
+ endif(BUILD_GUI)
+
+ if (BUILD_CORE)
+ find_package(Qt5Script QUIET)
+ set_package_properties(Qt5Script PROPERTIES TYPE REQUIRED
+ DESCRIPTION "provides scripting support for Qt5"
+ )
+ find_package(Qt5Sql QUIET)
+ set_package_properties(Qt5Sql PROPERTIES TYPE REQUIRED
+ DESCRIPTION "the database support module for Qt5"
+ )
+
+ find_package(QCA2-QT5)
+ set_package_properties(QCA2-QT5 PROPERTIES TYPE RECOMMENDED
+ URL "https://projects.kde.org/projects/kdesupport/qca"
+ DESCRIPTION "Qt Cryptographic Architecture"
+ PURPOSE "Required for encryption support"
+ )
+
+ endif(BUILD_CORE)
+
+ find_package(Qt5LinguistTools QUIET)
+ set_package_properties(Qt5LinguistTools PROPERTIES TYPE RECOMMENDED
+ DESCRIPTION "contains tools for handling translation files"
+ PURPOSE "Required for having translations"
+ )
+
+ # Some Qt5 versions do not define a target for lconvert, so we need to find it ourselves
+ if (Qt5LinguistTools_FOUND)
+ if (NOT TARGET Qt5::lconvert AND TARGET Qt5::lrelease)
+ get_target_property(_lrelease_location Qt5::lrelease LOCATION)
+ get_filename_component(_lrelease_path ${_lrelease_location} PATH)
+ find_program(QT_LCONVERT_EXECUTABLE NAMES lconvert-qt5 lconvert PATHS ${_lrelease_path} NO_DEFAULT_PATH NO_CMAKE_FIND_ROOT_PATH)
+ elseif(TARGET Qt5::lconvert AND NOT Qt5_LCONVERT_EXECUTABLE)
+ # Newer Qt5 versions define the target, but not the Qt5_LCONVERT_EXECUTABLE variable for some reason
+ get_target_property(QT_LCONVERT_EXECUTABLE Qt5::lconvert LOCATION)
+ endif()
+
+ # Compatibility with the Qt4 variables
+ set(QT_LRELEASE_EXECUTABLE ${Qt5_LRELEASE_EXECUTABLE})
+ set(QT_LUPDATE_EXECUTABLE ${Qt5_LUPDATE_EXECUTABLE})
+ if (Qt5_LCONVERT_EXECUTABLE)
+ set(QT_LCONVERT_EXECUTABLE ${Qt5_LCONVERT_EXECUTABLE})
+ endif()
+ endif()
+
+else(USE_QT5)
+ message(STATUS "Building for Qt4...")
+ set(QT_MIN_VERSION "4.8.0")
+
+ # Select a Qt installation here, if you don't want to use system Qt
+ if(QT_PATH)
+ # FindQt4 will look for the qmake binary in $PATH, so we just prepend QT_PATH
+ set(ENV{PATH} ${QT_PATH}/bin:$ENV{PATH})
+ endif()
+
+ find_package(Qt4 ${QT_MIN_VERSION} QUIET REQUIRED)
+
+ if (BUILD_GUI)
+ add_feature_info("QtDBus module" QT_QTDBUS_FOUND "Needed for supporting D-Bus-based notifications and tray icon, used by most modern desktop environments")
+ if (QT_QTDBUS_FOUND)
+ find_package(dbusmenu-qt QUIET CONFIG)
+ set_package_properties(dbusmenu-qt PROPERTIES TYPE RECOMMENDED
+ URL "https://launchpad.net/libdbusmenu-qt"
+ DESCRIPTION "a library implementing the DBusMenu specification"
+ PURPOSE "Required for having a context menu for the D-Bus-based tray icon"
+ )
+ endif()
+
+ if (WITH_WEBKIT AND QT_QTWEBKIT_FOUND)
+ set(HAVE_WEBKIT true)
+ endif()
+ add_feature_info("WITH_WEBKIT and QtWebKit module" HAVE_WEBKIT "Support showing previews for URLs in chat")
+
+ if (WITH_KDE)
+ # KDE has overzealous CFLAGS making miniz not compile, so save our old flags
+ set(_cflags ${CMAKE_C_FLAGS})
+ find_package(KDE4 4.4 QUIET)
+ set_package_properties(KDE4 PROPERTIES TYPE REQUIRED
+ URL "http://www.kde.org"
+ DESCRIPTION "a world-class desktop environment"
+ PURPOSE "Enables various bits for improving integration with KDE"
+ )
+ set(CMAKE_C_FLAGS ${_cflags})
+
+ else(WITH_KDE)
+ find_package(Phonon QUIET)
+ set_package_properties(Phonon PROPERTIES TYPE RECOMMENDED
+ URL "https://projects.kde.org/projects/kdesupport/phonon"
+ DESCRIPTION "a multimedia abstraction library"
+ PURPOSE "Required for audio notifications"
+ )
+ endif(WITH_KDE)
+
+ find_package(IndicateQt QUIET)
+ set_package_properties(IndicateQt PROPERTIES TYPE OPTIONAL
+ URL "https://launchpad.net/libindicate-qt/"
+ DESCRIPTION "a library to raise flags on DBus for other components of the desktop to pick up and visualize"
+ PURPOSE "Provides integration into the Ayatana notification system used by e.g. Ubuntu"
+ )
+
+ endif(BUILD_GUI)
+
+ if (BUILD_CORE)
+
+ find_package(QCA2 QUIET)
+ set_package_properties(QCA2 PROPERTIES TYPE RECOMMENDED
+ URL "https://projects.kde.org/projects/kdesupport/qca"
+ DESCRIPTION "Qt Cryptographic Architecture"
+ PURPOSE "Required for encryption support"
+ )
+
+
+ endif()
+
+ # Qt4 does not consider lconvert relevant, so they don't support finding it...
+ # Rather than shipping hacked buildsys files, let's just infer the path from lrelease
+ if (QT_LRELEASE_EXECUTABLE)
+ get_filename_component(_lrelease_path ${QT_LRELEASE_EXECUTABLE} PATH)
+ find_program(QT_LCONVERT_EXECUTABLE NAMES lconvert-qt4 lconvert PATHS ${_lrelease_path} NO_DEFAULT_PATH NO_CMAKE_FIND_ROOT_PATH)
+ endif()
+endif()
+
+
+# Non-Qt-based packages
+
+# zlib for compression, however we can always fall back to miniz
+find_package(ZLIB QUIET)
+set_package_properties(ZLIB PROPERTIES TYPE RECOMMENDED
+ URL "http://www.zlib.net"
+ DESCRIPTION "a popular compression library"
+ PURPOSE "Use the most common library for protocol compression, instead of the bundled miniz implementation"
+)
+
+
+if (NOT WIN32)
+ # Execinfo is needed for generating backtraces
+ find_package(ExecInfo QUIET)
+ set_package_properties(ExecInfo PROPERTIES TYPE OPTIONAL
+ DESCRIPTION "a library for inspecting backtraces"
+ PURPOSE "Used for generating backtraces in case of a crash"
+ )
+endif()
+
+# Check for SSL support in Qt
+# As there's no easy way to get Qt's configuration in particular for Qt5, let's just compile
+# a small test program checking the defines. This works for both Qt4 and Qt5.
+cmake_push_check_state(RESET)
+set(CMAKE_REQUIRED_INCLUDES ${QT_INCLUDES} ${Qt5Core_INCLUDE_DIRS})
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${Qt5Core_EXECUTABLE_COMPILE_FLAGS}")
+
+if (USE_QT5 AND Qt5_POSITION_INDEPENDENT_CODE)
+ set(CMAKE_REQUIRED_FLAGS "-fPIC -DQT_NO_VERSION_TAGGING")
+endif()
+
+check_cxx_source_compiles("
+ #include \"qglobal.h\"
+ #if defined QT_NO_SSL
+ # error \"No SSL support\"
+ #endif
+ int main() {}"
+ HAVE_SSL)
+cmake_pop_check_state()
+
+# Additional compile settings
+#####################################################################
+
+# This sets -fPIC and friends if required by the installed Qt5 library
+if (USE_QT5 AND Qt5_POSITION_INDEPENDENT_CODE)
+ set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+endif()