-# For static builds, arbitrary extra libs might need to be linked
-# Define a comma-separated list here
-# e.g. for pgsql, we need -DLINK_EXTRA=pq;crypt
-set(LINK_EXTRA "" CACHE STRING "Semicolon-separated list of libraries to be linked")
-if(LINK_EXTRA)
- string(REPLACE "," ";" LINK_EXTRA ${LINK_EXTRA})
- link_libraries(${LINK_EXTRA})
-endif(LINK_EXTRA)
-
-# Build Type
-# We need to make sure it's not empty
-# Supported: Release, RelWithDebugInfo, Debug, Debugfull
-
-# On WIN32, only Release seems to work correctly (?)
-if(WIN32)
- set(DEFAULT_BUILD_TYPE "Release")
-else(WIN32)
- set(DEFAULT_BUILD_TYPE "RelWithDebugInfo")
-endif(WIN32)
-
-set(CMAKE_BUILD_TYPE ${DEFAULT_BUILD_TYPE} CACHE STRING "CMake Build Type")
-if(NOT CMAKE_BUILD_TYPE)
- set(CMAKE_BUILD_TYPE ${DEFAULT_BUILD_TYPE} CACHE STRING "CMake Build Type" FORCE)
-endif(NOT CMAKE_BUILD_TYPE)
-
-# Enable various flags on gcc
-if(CMAKE_COMPILER_IS_GNUCXX)
- # Let's just hope that all gccs support these options and skip the tests...
- # -fno-strict-aliasing is needed apparently for Qt < 4.6
- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ansi -Wall -Wextra -Wnon-virtual-dtor -fno-strict-aliasing")
- set(CMAKE_CXX_FLAGS_RELEASE "-O2 ${CMAKE_CXX_FLAGS}")
- set(CMAKE_CXX_FLAGS_RELWITHDEBUGINFO "-g -O2 ${CMAKE_CXX_FLAGS}")
- set(CMAKE_CXX_FLAGS_DEBUG "-g -ggdb -fno-reorder-blocks -fno-schedule-insns -fno-inline ${CMAKE_CXX_FLAGS}")
- set(CMAKE_CXX_FLAGS_DEBUGFULL "-g3 ${CMAKE_CXX_FLAGS_DEBUG}")
-endif(CMAKE_COMPILER_IS_GNUCXX)
-
-string(TOUPPER ${CMAKE_BUILD_TYPE} upper_build_type)
-if(upper_build_type STREQUAL "RELEASE" OR upper_build_type STREQUAL "RELWITHDEBUGINFO")
- add_definitions(-DNDEBUG -DQT_NO_DEBUG)
-else(upper_build_type STREQUAL "RELEASE" OR upper_build_type STREQUAL "RELWITHDEBUGINFO")
- set(DEBUG 1)
-endif(upper_build_type STREQUAL "RELEASE" OR upper_build_type STREQUAL "RELWITHDEBUGINFO")
-
-if(APPLE AND DEPLOY)
- set(CMAKE_OSX_ARCHITECTURES "i386;ppc")
- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.4")
- set(CMAKE_OSX_SYSROOT "/Developer/SDKs/MacOSX10.4u.sdk/")
- add_definitions(-DMAC_10_4_SDK)
-endif(APPLE AND DEPLOY)
-
-# Simplify checks
-if(WANT_MONO OR WANT_QTCLIENT)
- set(BUILD_GUI true)
-endif(WANT_MONO OR WANT_QTCLIENT)
-if(WANT_MONO OR WANT_CORE)
- set(BUILD_CORE true)
-endif(WANT_MONO OR WANT_CORE)
-
-# Dependencies
-##############
-
-# GUI stuff needs some new features
-if(BUILD_GUI)
- set(QT_MIN_VERSION "4.6.0")
-else(BUILD_GUI)
- set(QT_MIN_VERSION "4.4.0")
-endif(BUILD_GUI)
-
-# Execinfo is needed for generating backtraces
-find_package(ExecInfo)
-if(EXECINFO_FOUND)
- add_definitions(-DHAVE_EXECINFO)
- include_directories(${EXECINFO_INCLUDES})
- link_libraries(${EXECINFO_LIBRARIES})
-endif(EXECINFO_FOUND)
-
-# Select a Qt installation here, if you don't want to use system Qt
-if(QT)
- # FindQt4 will look for the qmake binary in $PATH, so we just prepend the Qt dir
- set(ENV{PATH} ${QT}/bin:$ENV{PATH})
-endif(QT)
-
-# Now that we have the correct $PATH, lets find Qt!
-find_package(Qt4 REQUIRED)
-
-set(QT_DONT_USE_QTGUI 1)
-include(${QT_USE_FILE})
-include_directories(${QT_INCLUDES})
-
-# PkgConfig isn't strictly required.
-# However, some optional deps might not be found if it's not present, so warn!
-find_package(PkgConfig)
-if(NOT PKG_CONFIG_FOUND)
- message(STATUS "WARNING: PkgConfig not available! Some dependencies for optional features might not be found.")
- message(STATUS " Affected features might include encryption support, DBus menus and Ayatana notifications.")
-endif(NOT PKG_CONFIG_FOUND)
-
-# Setup OpenSSL
-# We don't link to or include OpenSSL ourselves, but use exclusively the Qt API.
-# Thus, we simply check if OpenSSL support is present in Qt's config and enable our
-# own SSL stuff in this case. Qt should care for adding what it needs itself.
-if(WITH_OPENSSL)
- if(QT_QCONFIG MATCHES "openssl")
- message(STATUS "Found OpenSSL support in Qt, enabling SSL")
- add_definitions(-DHAVE_SSL)
- set(HAVE_SSL true)
- else(QT_QCONFIG MATCHES "openssl")
- message(STATUS "No OpenSSL support found in Qt, disabling SSL")
- add_definitions(-DQT_NO_OPENSSL)
- endif(QT_QCONFIG MATCHES "openssl")
-else(WITH_OPENSSL)
- message(STATUS "Not enabling OpenSSL support")
-endif(WITH_OPENSSL)
-
-# Check for GUI specific stuff
-if(BUILD_GUI)
-
- # Setup D-Bus support
- if(WITH_DBUS)
- if(QT_QTDBUS_FOUND)
- message(STATUS "Found QtDBus, enabling D-Bus support")
- add_definitions(-DHAVE_DBUS)
- set(CLIENT_QT4_VARS ${CLIENT_QT4_VARS} DBUS)
- set(CLIENT_COMPILE_FLAGS "${CLIENT_COMPILE_FLAGS} -DQT_DBUS_LIB")
- set(HAVE_DBUS true)
-
- # check if we have dbusmenu as well
- find_package(DBusMenuQt)
- if(DBUSMENUQT_FOUND)
- message(STATUS "Enabling support for exporting the tray menu via D-Bus")
- add_definitions(-DHAVE_DBUSMENU)
- include_directories(${DBUSMENUQT_INCLUDE_DIR})
- set(CLIENT_LIBRARIES ${CLIENT_LIBRARIES} ${DBUSMENUQT_LIBRARIES})
- set(CLIENT_COMPILE_FLAGS "${CLIENT_COMPILE_FLAGS} ${DBUSMENUQT_DEFINITIONS}")
- else(DBUSMENUQT_FOUND)
- message(STATUS "Disabling support for exporting the tray menu via D-Bus")
- endif(DBUSMENUQT_FOUND)
-
- else(QT_QTDBUS_FOUND)
- message(STATUS "QtDBus not found, disabling D-Bus support")
- endif(QT_QTDBUS_FOUND)
- else(WITH_DBUS)
- message(STATUS "Not enabling D-Bus support")
- endif(WITH_DBUS)
-
- # Setup QtWebKit support
- if(WITH_WEBKIT)
- if(QT_QTWEBKIT_FOUND)
- message(STATUS "Found QtWebKit, enabling WebKit support")
- add_definitions(-DHAVE_WEBKIT)
- set(CLIENT_QT4_VARS ${CLIENT_QT4_VARS} WEBKIT XMLPATTERNS)
- set(CLIENT_COMPILE_FLAGS "${CLIENT_COMPILE_FLAGS} -DQT_WEBKIT_LIB -DQT_XMLPATTERNS_LIB")
- set(HAVE_WEBKIT true)
- else(QT_QTWEBKIT_FOUND)
- message(STATUS "QtWebKit not found, disabling WebKit support")
- endif(QT_QTWEBKIT_FOUND)
- else(WITH_WEBKIT)
- message(STATUS "Not enabling WebKit support")
- endif(WITH_WEBKIT)
-
- # Setup KDE4 support
- if(WITH_KDE)
- find_package(KDE4)
- if(KDE4_FOUND)
- message(STATUS "Enabling KDE4 integration")
- include_directories(${KDE4_INCLUDES})
- add_definitions(-DHAVE_KDE ${KDE4_DEFINITIONS})
- set(HAVE_KDE 1)
- set(CLIENT_LIBRARIES ${CLIENT_LIBRARIES} ${KDE4_KDECORE_LIBS} ${KDE4_KDEUI_LIBRARY} ${KDE4_SOLID_LIBS} knotifyconfig)
- # We always use external icons for KDE4 support, since we use its iconloader rather than our own
- set(EMBED_DATA OFF)
- else(KDE4_FOUND)
- message(STATUS "KDE4 not found, disabling KDE integration")
- endif(KDE4_FOUND)
- else(WITH_KDE)
- message(STATUS "Not enabling KDE4 integration")
- endif(WITH_KDE)
-
- # Setup Phonon support - we only need this if we don't have or want KDE4
- if(NOT HAVE_KDE)
- if(WITH_PHONON)
- find_package(Phonon)
- if(PHONON_FOUND)
- message(STATUS "Enabling Phonon support")
- add_definitions(-DHAVE_PHONON)
- include_directories(${PHONON_INCLUDES})
- set(CLIENT_LIBRARIES ${CLIENT_LIBRARIES} ${PHONON_LIBS})
- set(HAVE_PHONON true)
- else(PHONON_FOUND)
- message(STATUS "Phonon not found, disabling audio notifications")
- endif(PHONON_FOUND)
- else(WITH_PHONON)
- message(STATUS "Not enabling Phonon support")
- endif(WITH_PHONON)
- endif(NOT HAVE_KDE)
-
- # Setup libindicate-qt support
- if(WITH_LIBINDICATE)
- pkg_check_modules(INDICATEQT QUIET indicate-qt>=0.2.1)
- if(INDICATEQT_FOUND)
- message(STATUS "Enabling Ayatana notification support")
- set(HAVE_INDICATEQT true)
- add_definitions(-DHAVE_INDICATEQT)
- link_directories(${INDICATEQT_LIBRARY_DIRS})
- set(CLIENT_LIBRARIES ${CLIENT_LIBRARIES} ${INDICATEQT_LIBRARIES})
- else(INDICATEQT_FOUND)
- message(STATUS "Disabling Ayatana notification support")
- endif(INDICATEQT_FOUND)
- else(WITH_LIBINDICATE)
- message(STATUS "Not enabling Ayatana notification support")
- # We don't want to link against it even if another package has found it
- set(INDICATEQT_LIBRARIES "")
- endif(WITH_LIBINDICATE)
-
-endif(BUILD_GUI)
-
-# Core-only deps
-if(BUILD_CORE)
-
- # Setup encryption support
- if(WITH_CRYPT)
- find_package(QCA2)
- if(QCA2_FOUND)
- message(STATUS "Found QCA2, enabling encryption support")
- add_definitions(-DHAVE_QCA2)
- set(LINK_QCA2 QCA2)
- set(HAVE_QCA2 true)
- set(MOC_DEFINES ${MOC_DEFINES} -DHAVE_QCA2)
- else(QCA2_FOUND)
- message(STATUS "QCA2 not found, disabling encryption support")
- endif(QCA2_FOUND)
- else(WITH_CRYPT)
- message(STATUS "Not enabling encryption support")
- endif(WITH_CRYPT)
-
- # Setup syslog support
- if(WITH_SYSLOG)
- check_include_file(syslog.h HAVE_SYSLOG_H)
- if(HAVE_SYSLOG_H)
- message(STATUS "Enabling syslog support")
- set(HAVE_SYSLOG true)
- add_definitions(-DHAVE_SYSLOG)
- else(HAVE_SYSLOG_H)
- message(STATUS "Disabling syslog support")
- endif(HAVE_SYSLOG_H)
- else(WITH_SYSLOG)
- message(STATUS "Not enabling syslog support")
- endif(WITH_SYSLOG)
-
-endif(BUILD_CORE)
-
-# needed to compile with mingw without kde
-if(MINGW AND NOT HAVE_KDE)
+# Set up Qt
+#####################################################################
+
+if (USE_QT5)
+ message(STATUS "Building for Qt5...")
+ set(QT_MIN_VERSION "5.2.0")
+ add_definitions(-DHAVE_QT5)
+else()
+ 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()
+endif()
+
+
+# Find package dependencies
+#
+# Note that you can forcefully disable optional packages
+# using -DCMAKE_DISABLE_FIND_PACKAGE_<PkgName>=TRUE
+#####################################################################
+
+if (USE_QT5)
+ find_package(Qt5Core ${QT_MIN_VERSION} QUIET)
+ set_package_properties(Qt5Core PROPERTIES TYPE REQUIRED
+ URL "http://qt.digia.com"
+ DESCRIPTION "contains core functionality for Qt"
+ )
+ # 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"
+ )
+
+ 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()
+
+ 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"
+ )
+
+ find_package(LibsnoreQt5 QUIET)
+ set_package_properties(LibsnoreQt5 PROPERTIES TYPE OPTIONAL
+ URL "https://github.com/TheOneRing/Snorenotify"
+ DESCRIPTION "a cross-platform notification framework"
+ PURPOSE "Enable support for the snorenotify framework"
+ )
+
+ 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")
+
+ # 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})
+ endif()
+
+ 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"
+ )
+
+ endif()
+
+ 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)
+ 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"
+ )
+
+ find_package(Libsnore QUIET)
+ set_package_properties(Libsnore PROPERTIES TYPE OPTIONAL
+ URL "https://github.com/TheOneRing/Snorenotify"
+ DESCRIPTION "a cross-platform notification framework"
+ PURPOSE "Enable support for the snorenotify framework"
+ )
+ 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}")
+check_cxx_source_compiles("
+ #include \"qglobal.h\"
+ #if defined QT_NO_OPENSSL || 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()
+
+# Needed to compile with mingw without kde
+if (MINGW AND NOT KDE4_FOUND)