Improve debugging for new IRCv3 functionality
[quassel.git] / CMakeLists.txt
index 0bbc718..9037c89 100644 (file)
-# This is the cmake-based build system for Quassel IRC.
-# You may pass various options to cmake:
-# -DBUILD=<string> : Select binaries to build. <string> may contain any combination
-#                    of "core", "client", "mono" or "all".
-# -DQT=/path/to/qt : Choose a Qt4 installation to use instead of the system Qt4
-# -DSPUTDEV        : Do not use.
-
-project(QuasselIRC)
-
-cmake_minimum_required(VERSION 2.4.5)
-
-set(QT_MIN_VERSION "4.4.0")
-
-# By default, we build all binaries
-if(NOT DEFINED BUILD)
-  set(BUILD all)
-endif(NOT DEFINED BUILD)
-
-# User might define which binaries to build by invoking cmake -DBUILD=<string>,
-# where <string> might contain any combination of "core", "client", "mono" or "all"
-if(BUILD MATCHES all)
-  set(BUILD_CORE true)
-  set(BUILD_QTCLIENT true)
-  set(BUILD_MONO true)
-  message(STATUS "Building Quassel Client, Quassel Core and monolithic Quassel.")
-else(BUILD MATCHES all)
-  if(BUILD MATCHES core)
+# Main CMake file for building Quassel IRC
+#
+# See INSTALL for possible CMake options (or read the code, Luke)
+#####################################################################
+
+# General setup
+#####################################################################
+
+cmake_minimum_required(VERSION 3.5)
+
+# Tell CMake about or own modules
+set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
+
+include(QuasselVersion)
+
+message(STATUS "Using CMake ${CMAKE_VERSION}")
+
+# Set up build type rather early
+include(BuildType)
+
+# Support ccache if found
+# This should happen before calling project(), so compiler settings are validated.
+option(USE_CCACHE "Enable support for ccache if available" ON)
+if (USE_CCACHE)
+    message(STATUS "Checking for ccache")
+    find_program(CCACHE_PROGRAM ccache)
+    if (CCACHE_PROGRAM)
+        set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_PROGRAM}")
+        message(STATUS "Checking for ccache - enabled")
+    else()
+        message(STATUS "Checking for ccache - not found")
+    endif()
+endif()
+
+# Set up project
+project(Quassel CXX)
+
+# Let CMake handle file generation for Qt
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTORCC ON)
+set(CMAKE_AUTOUIC ON)
+
+# Needed, otherwise some .moc files won't be found with older CMake versions
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+# Include various CMake modules...
+include(CMakePushCheckState)
+include(CheckFunctionExists)
+include(CheckIncludeFileCXX)
+include(CheckCXXSourceCompiles)
+include(CMakeDependentOption)
+include(FeatureSummary)
+
+# ... and our own
+include(QuasselCompileSettings)
+include(QuasselMacros)
+
+# Options and variables that can be set on the command line
+#####################################################################
+
+# Select the binaries to build
+option(WANT_CORE     "Build the core (server) binary"           ON)
+option(WANT_QTCLIENT "Build the client-only binary"             ON)
+option(WANT_MONO     "Build the monolithic (all-in-one) binary" ON)
+add_feature_info(WANT_CORE WANT_CORE "Build the core (server) binary")
+add_feature_info(WANT_QTCLIENT WANT_QTCLIENT "Build the client-only binary (requires a core to connect to)")
+add_feature_info(WANT_MONO WANT_MONO "Build the monolithic (all-in-one) binary")
+
+# Whether to enable integration with higher-tier KDE frameworks that require runtime support.
+# We still optionally make use of certain Tier 1 frameworks even if WITH_KDE is disabled.
+option(WITH_KDE "Integration with the KDE Frameworks runtime environment")
+add_feature_info(WITH_KDE WITH_KDE "Integrate with the KDE Frameworks runtime environment")
+
+# Icon theme support. By default, install the Breeze icon theme (may be disabled if a system installation is present)
+option(WITH_BUNDLED_ICONS "Install required icons from the Breeze icon theme" ON)
+add_feature_info(WITH_BUNDLED_ICONS WITH_BUNDLED_ICONS "Install required icons from the Breeze icon theme")
+
+option(WITH_OXYGEN_ICONS "Support the Oxygen icon theme (KDE4)" OFF)
+add_feature_info(WITH_OXYGEN_ICONS WITH_OXYGEN_ICONS "Support the Oxygen icon theme (KDE4)")
+
+# For this, the feature info is added after we know if QtWebkit is installed
+option(WITH_WEBKIT "WebKit support (for link previews) (legacy)" OFF)
+
+# For this, the feature info is added after we know if QtWebEngine is installed
+option(WITH_WEBENGINE "WebEngine support (for link previews)" ON)
+
+if (APPLE)
+    # Notification Center is only available in > 10.8, which is Darwin v12
+    if (NOT CMAKE_SYSTEM_VERSION VERSION_LESS 12)
+        option(WITH_NOTIFICATION_CENTER "OS X Notification Center support" ON)
+        add_feature_info(WITH_NOTIFICATION_CENTER WITH_NOTIFICATION_CENTER "Use the OS X Notification Center")
+    endif()
+    find_library(CARBON_LIBRARY Carbon)
+    mark_as_advanced(CARBON_LIBRARY)
+    link_libraries(${CARBON_LIBRARY})
+endif()
+
+# Always embed on Windows or OSX; never embed when enabling KDE integration
+set(EMBED_DEFAULT OFF)
+if (WIN32 OR APPLE)
+    set(EMBED_DEFAULT ON)
+endif()
+cmake_dependent_option(EMBED_DATA "Embed icons and translations into the binaries instead of installing them" ${EMBED_DEFAULT}
+                                   "NOT WIN32;NOT WITH_KDE" ${EMBED_DEFAULT})
+if (NOT EMBED_DEFAULT)
+    add_feature_info(EMBED_DATA EMBED_DATA "Embed icons and translations in the binaries instead of installing them")
+endif()
+
+# The following options are not for end-user consumption, so don't list them in the feature summary
+option(FATAL_WARNINGS "Make compile warnings fatal (most useful for CI builds)" OFF)
+cmake_dependent_option(DEPLOY "Add required libs to bundle resources and create a dmg" OFF "APPLE" OFF)
+
+# List of authenticators and the cmake flags to build them
+# (currently that's just LDAP, but more can be added here).
+####################################################################
+option(WITH_LDAP "Enable LDAP authentication support if present on system" ON)
+
+# Setup CMake
+#####################################################################
+
+# Visibility settings apply to all targets
+if (POLICY CMP0063)
+    cmake_policy(SET CMP0063 NEW)
+endif()
+
+# Let automoc/autouic process generated files
+if (POLICY CMP0071)
+    cmake_policy(SET CMP0071 NEW)
+endif()
+
+set(BUILD_SHARED_LIBS TRUE CACHE BOOL "" FORCE)
+
+# Don't use X11 on OSX
+if (APPLE)
+    set(CMAKE_DISABLE_FIND_PACKAGE_X11 true)
+    set(CMAKE_DISABLE_FIND_PACKAGE_XCB true)
+    set(CMAKE_DISABLE_FIND_PACKAGE_Qt5X11Extras true)
+endif()
+
+# Simplify later checks
+#####################################################################
+
+if (WANT_MONO OR WANT_QTCLIENT)
+    set(BUILD_GUI true)
+endif()
+if (WANT_MONO OR WANT_CORE)
     set(BUILD_CORE true)
-    message(STATUS "Building Quassel Core")
-  endif(BUILD MATCHES core)
-  if(BUILD MATCHES client)
-    set(BUILD_QTCLIENT true)
-    message(STATUS "Building Quassel Client")
-  endif(BUILD MATCHES client)
-  if(BUILD MATCHES mono)
-    set(BUILD_MONO true)
-    message(STATUS "Building monolithic Quassel")
-  endif(BUILD MATCHES mono)
-endif(BUILD MATCHES all)
-
-# Select a Qt installation here, if you don't want to use system Qt
-if(DEFINED QT)
-  # FindQt4 will look for the qmake binary in $PATH, so we just prepend the Qt dir
-  set(ENV{PATH} ${QT}/bin:$ENV{PATH})
-  SET(QT_QMAKE_EXECUTABLE ${QT}/bin/qmake CACHE FILEPATH "" FORCE)
-endif(DEFINED QT)
-
-# Enable mostly b0rked stuff (new ChatView), do not enable this unless you know what you do...
-if(SPUTDEV)
-  add_definitions(-DSPUTDEV)
-endif(SPUTDEV)
-
-# Now that we have the correct $PATH, lets find Qt!
-find_package(Qt4 REQUIRED)
-
-# Add needed subdirs
-add_subdirectory(src/common)
-include_directories(src/common)
-if(BUILD_CORE OR BUILD_MONO)
-  add_subdirectory(src/core)
-  include_directories(src/core)
-endif(BUILD_CORE OR BUILD_MONO)
-if(BUILD_QTCLIENT OR BUILD_MONO)
-  add_subdirectory(src/client)
-  add_subdirectory(src/uisupport)
-  add_subdirectory(src/qtui)
-  include_directories(src/client)
-  include_directories(src/uisupport)
-  include_directories(src/qtui)
-endif(BUILD_QTCLIENT OR BUILD_MONO)
-
-# Add resources
-qt4_add_resources(RES_I18N ${CMAKE_SOURCE_DIR}/i18n/i18n.qrc)
-qt4_add_resources(RES_ICONS ${CMAKE_SOURCE_DIR}/src/icons/icons.qrc)
-qt4_add_resources(RES_SQL ${CMAKE_SOURCE_DIR}/src/core/sql.qrc)
-
-# Here comes the dirty part. Our targets need different Qt4 modules, i.e. different libs
-# and defines. We can't simply include UseQt4 several times, since definitions add up.
-# We workaround this by only setting up QtCore first, and adding additional stuff later.
-set(QT_DONT_USE_QTGUI 1)
-include(${QT_USE_FILE})
-include_directories(${QT_INCLUDES})
-
-# This macro sets variables for additional Qt modules.
-macro(setup_qt4_variables)
-  set(QUASSEL_QT_DEFINITIONS ${QT_DEFINITIONS})
-  set(QUASSEL_QT_LIBRARIES ${QT_LIBRARIES})
-  foreach(qtmod ${ARGV})
-    # This needs to be a string, not a list, otherwise set_target_properties screws up...
-    set(QUASSEL_QT_DEFINITIONS "${QUASSEL_QT_DEFINITIONS} -DQT_${qtmod}_LIB")
-    set(QUASSEL_QT_LIBRARIES ${QUASSEL_QT_LIBRARIES} ${QT_QT${qtmod}_LIBRARY} ${QT_${qtmod}_LIB_DEPENDENCIES})
-  endforeach(qtmod ${ARGV})
-endmacro(setup_qt4_variables)
-
-# Now we have everything, so just glue the right pieces together :)
-if(BUILD_CORE)
-  setup_qt4_variables(NETWORK SCRIPT SQL)
-  add_executable(quasselcore ${CMAKE_SOURCE_DIR}/src/common/main.cpp ${RES_SQL} ${RES_I18N})
-  set_target_properties(quasselcore PROPERTIES COMPILE_FLAGS "${QUASSEL_QT_DEFINITIONS} -DBUILD_CORE")
-  target_link_libraries(quasselcore mod_core mod_common ${QUASSEL_QT_LIBRARIES})
-endif(BUILD_CORE)
-
-if(BUILD_QTCLIENT)
-  setup_qt4_variables(GUI NETWORK)
-  add_executable(quasselclient ${CMAKE_SOURCE_DIR}/src/common/main.cpp ${RES_ICONS} ${RES_I18N})
-  set_target_properties(quasselclient PROPERTIES COMPILE_FLAGS "${QUASSEL_QT_DEFINITIONS} -DBUILD_QTUI")
-  target_link_libraries(quasselclient mod_qtui mod_uisupport mod_client mod_common ${QUASSEL_QT_LIBRARIES})
-endif(BUILD_QTCLIENT)
-
-if(BUILD_MONO)
-  setup_qt4_variables(GUI NETWORK SCRIPT SQL)
-  add_executable(quassel ${CMAKE_SOURCE_DIR}/src/common/main.cpp ${RES_ICONS} ${RES_SQL} ${RES_I18N})
-  set_target_properties(quassel PROPERTIES COMPILE_FLAGS "${QUASSEL_QT_DEFINITIONS} -DBUILD_MONO")
-  target_link_libraries(quassel mod_qtui mod_uisupport mod_client mod_core mod_common ${QUASSEL_QT_LIBRARIES})
-endif(BUILD_MONO)
+endif()
+
+# Set up Qt
+#####################################################################
+
+# Find package dependencies
+#
+# Note that you can forcefully disable optional packages
+# using -DCMAKE_DISABLE_FIND_PACKAGE_<PkgName>=TRUE
+#####################################################################
+
+set(QT_MIN_VERSION "5.5.0")
+
+# Required Qt components
+set(qt_components Core Network)
+if (BUILD_GUI)
+    list(APPEND qt_components Gui Widgets)
+endif()
+if (BUILD_CORE)
+    list(APPEND qt_components Script Sql)
+endif()
+
+find_package(Qt5 ${QT_MIN_VERSION} REQUIRED COMPONENTS ${qt_components})
+set_package_properties(Qt5 PROPERTIES TYPE REQUIRED
+    URL "https://www.qt.io/"
+    DESCRIPTION "the Qt libraries"
+)
+message(STATUS "Found Qt ${Qt5Core_VERSION}")
+
+# Optional Qt components
+
+find_package(Qt5LinguistTools QUIET)
+set_package_properties(Qt5LinguistTools PROPERTIES TYPE RECOMMENDED
+    DESCRIPTION "contains tools for handling translation files"
+    PURPOSE "Required for having translations"
+)
+
+if (BUILD_GUI)
+    if (NOT WIN32)
+        find_package(Qt5DBus QUIET)
+        set_package_properties(Qt5DBus PROPERTIES TYPE RECOMMENDED
+            URL "https://www.qt.io/"
+            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 "https://www.qt.io/"
+        DESCRIPTION "Multimedia support for Qt5"
+        PURPOSE     "Required for audio notifications"
+    )
+
+    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 QUIET)
+        set_package_properties(LibsnoreSettingsQt5 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"
+        )
+    endif()
+
+    if (WITH_WEBENGINE)
+        find_package(Qt5WebEngine QUIET)
+        set_package_properties(Qt5WebEngine PROPERTIES TYPE RECOMMENDED
+            URL "https://www.qt.io/"
+            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 "https://www.qt.io/"
+                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")
+
+    if (NOT HAVE_WEBENGINE)
+        if (WITH_WEBKIT)
+            find_package(Qt5WebKit QUIET)
+            set_package_properties(Qt5WebKit PROPERTIES TYPE OPTIONAL
+                URL "https://www.qt.io/"
+                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 OPTIONAL
+                    URL "https://www.qt.io/"
+                    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)")
+    endif()
+
+    # KDE Frameworks
+    ################
+
+    # extra-cmake-modules
+    if (WITH_KDE)
+        set(ecm_find_type "REQUIRED")
+        find_package(ECM NO_MODULE REQUIRED)
+    else()
+        # Even with KDE integration disabled, we optionally use tier1 frameworks if we find them
+        set(ecm_find_type "RECOMMENDED")
+        find_package(ECM NO_MODULE QUIET)
+    endif()
+
+    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 REQUIRED COMPONENTS ConfigWidgets CoreAddons Notifications NotifyConfig Sonnet TextWidgets WidgetsAddons XmlGui)
+            set_package_properties(KF5 PROPERTIES TYPE REQUIRED
+                URL "http://www.kde.org"
+                DESCRIPTION "KDE Frameworks"
+                PURPOSE     "Required for integration into the Plasma desktop"
+            )
+            message(STATUS "Found KDE Frameworks ${KF5_VERSION}")
+        endif()
+
+        # Optional KF5 tier1 components
+        find_package(KF5Sonnet QUIET)
+        set_package_properties(KF5Sonnet PROPERTIES TYPE RECOMMENDED
+            URL "http://api.kde.org/frameworks-api/frameworks5-apidocs/sonnet/html"
+            DESCRIPTION "framework for providing spell-checking capabilities"
+            PURPOSE "Enables spell-checking support in input widgets"
+        )
+    endif()
+endif()
+
+if (BUILD_CORE)
+    find_package(Qca-qt5 2.0 QUIET)
+    set_package_properties(Qca-qt5 PROPERTIES TYPE RECOMMENDED
+        URL "https://projects.kde.org/projects/kdesupport/qca"
+        DESCRIPTION "Qt Cryptographic Architecture"
+        PURPOSE "Required for encryption support"
+    )
+
+    if (WITH_LDAP)
+        find_package(Ldap QUIET)
+        set_package_properties(Ldap PROPERTIES TYPE OPTIONAL
+            URL "http://www.openldap.org/"
+            DESCRIPTION "LDAP (Lightweight Directory Access Protocol) libraries"
+            PURPOSE "Enables core user authentication via LDAP"
+        )
+    endif()
+endif()
+
+# Non-Qt-based packages
+#####################################################################
+
+find_package(Boost 1.56 REQUIRED)
+set_package_properties(Boost PROPERTIES TYPE REQUIRED
+    URL "https://www.boost.org/"
+    DESCRIPTION "Boost libraries for C++"
+)
+# Older versions don't define the imported target
+if (NOT TARGET Boost::boost)
+    add_library(Boost::boost INTERFACE IMPORTED GLOBAL)
+    if (Boost_INCLUDE_DIRS)
+        set_target_properties(Boost::boost PROPERTIES
+            INTERFACE_INCLUDE_DIRECTORIES "${Boost_INCLUDE_DIRS}")
+    endif()
+endif()
+
+find_package(ZLIB REQUIRED)
+set_package_properties(ZLIB PROPERTIES TYPE REQUIRED
+    URL "http://www.zlib.net"
+    DESCRIPTION "a popular compression library"
+    PURPOSE     "Used for protocol compression"
+)
+
+if (NOT WIN32)
+    # Needed for generating backtraces
+    find_package(Backtrace QUIET)
+    set_package_properties(Backtrace PROPERTIES TYPE RECOMMENDED
+        DESCRIPTION "a header (and possibly library) for inspecting backtraces"
+        PURPOSE "Used for generating backtraces in case of a crash"
+    )
+endif()
+
+# Setup unit testing
+#####################################################################
+
+option(BUILD_TESTING "Enable unit tests" OFF)
+add_feature_info(BUILD_TESTING BUILD_TESTING "Build unit tests")
+
+if (BUILD_TESTING)
+    find_package(GTest QUIET)
+    set_package_properties(GTest PROPERTIES TYPE REQUIRED
+        DESCRIPTION "Google's unit testing framework"
+        PURPOSE "Required for building unit tests"
+    )
+
+    find_package(Qt5Test QUIET)
+    set_package_properties(Qt5Test PROPERTIES TYPE REQUIRED
+        DESCRIPTION "unit testing library for the Qt5 framework"
+        PURPOSE "Required for building unit tests"
+    )
+    enable_testing()
+
+    # GTest messes with CMAKE_CXX_FLAGS, so process them again
+    process_cmake_cxx_flags()
+endif()
+
+# Check for SSL support in Qt
+#####################################################################
+
+cmake_push_check_state(RESET)
+set(CMAKE_REQUIRED_LIBRARIES Qt5::Core)
+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()
+
+if (HAVE_SSL)
+    add_definitions(-DHAVE_SSL)
+endif()
+add_feature_info("SSL support in Qt" HAVE_SSL "Use secure network connections")
+
+# Setup support for KDE Frameworks
+#####################################################################
+
+if (WITH_KDE)
+    add_definitions(-DHAVE_KDE -DHAVE_KF5)
+    set(WITH_KF5 TRUE)
+
+    # If KDE Frameworks are present, they're most probably providing Qt5 integration including icon loading
+    set(EMBED_DATA OFF)
+
+    include(KDEInstallDirs)
+endif()
+
+# This needs to come after setting up KDE integration, so we can use KDE-specific paths
+include(QuasselInstallDirs)
+
+# RPATH and output settings
+#####################################################################
+
+# Build artifacts in a well-known location; especially important for Windows DLLs
+# (which go into RUNTIME_OUTPUT_DIRECTORY and can thus be found by executables)
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib")
+set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib")
+
+# These RPATH settings allow for running directly from the build dir
+set(CMAKE_SKIP_BUILD_RPATH            FALSE)
+set(CMAKE_BUILD_WITH_INSTALL_RPATH    FALSE)
+set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE )
+
+# Set install RPATH only if libdir isn't a system directory
+if (IS_ABSOLUTE "${CMAKE_INSTALL_LIBDIR}")
+    set(libdir "${CMAKE_INSTALL_LIBDIR}")
+else()
+    set(libdir "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
+endif()
+list(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${libdir}" is_systemdir)
+if ("${is_systemdir}" STREQUAL "-1")
+   set(CMAKE_INSTALL_RPATH "${libdir}")
+endif()
+
+# Various config-dependent checks and settings
+#####################################################################
+
+# Check for syslog support
+if (NOT WIN32)
+    check_include_file_cxx(syslog.h HAVE_SYSLOG)
+    add_feature_info("syslog.h" HAVE_SYSLOG "Provide support for logging to the syslog")
+endif()
+
+if (NOT WIN32)
+    check_function_exists(umask HAVE_UMASK)
+endif()
+
+if (EMBED_DATA)
+    message(STATUS "Embedding data files into the binary")
+else()
+    message(STATUS "Installing data files separately")
+endif()
+
+# Windows-specific stuff
+#####################################################################
+
+if (WIN32)
+    link_libraries(imm32 winmm dbghelp Secur32)  # missing by default :/
+    if (MSVC)
+        link_libraries(Version dwmapi shlwapi)
+    endif()
+endif()
+
+# Prepare the build
+#####################################################################
+
+# Add needed subdirs - the order is important, since src needs some vars set by other dirs
+add_subdirectory(data)
+add_subdirectory(icons)
+add_subdirectory(pics)
+add_subdirectory(po)
+
+# Set up and display feature summary
+#####################################################################
+
+feature_summary(WHAT ALL
+                INCLUDE_QUIET_PACKAGES
+                FATAL_ON_MISSING_REQUIRED_PACKAGES
+)
+
+# Finally, compile the sources
+# We want this after displaying the feature summary to avoid ugly
+# CMake backtraces in case a required Qt5 module is missing
+#####################################################################
+
+add_subdirectory(src)
+
+# Build tests if so desired
+if (BUILD_TESTING)
+    add_subdirectory(tests)
+endif()