project(kdelibs)

include(GenerateExportHeader)
include(FeatureSummary)

# where to look first for cmake modules, before ${CMAKE_ROOT}/Modules/ is checked
set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/modules")

################# set KDE specific information #################

set(KDE_VERSION_MAJOR 4)
set(KDE_VERSION_MINOR 22)
set(KDE_VERSION_RELEASE 0)
set(KDE_VERSION "${KDE_VERSION_MAJOR}.${KDE_VERSION_MINOR}.${KDE_VERSION_RELEASE}")
set(KDE_VERSION_STRING "${KDE_VERSION}")

execute_process(
    COMMAND git rev-parse --short HEAD
    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
    OUTPUT_VARIABLE git_revision
    OUTPUT_STRIP_TRAILING_WHITESPACE
    ERROR_QUIET
    RESULT_VARIABLE _unused
)
if(git_revision)
    set(KDE_VERSION_STRING "${KDE_VERSION_STRING} (${git_revision})")
endif()

set(KDE_DEFAULT_HOME ".katana" CACHE STRING "The default home directory" )

set(LIBRARY_TYPE SHARED)

################# now find all used packages #################

find_package(KDE4Internal REQUIRED)
include(KDE4Defaults)

if(UNIX AND Q_WS_X11)
    #X11 Session Management (SM) is required
    #X11_SM_FOUND is set in FindX11, which is required by KDE4Internal
    if(NOT X11_SM_FOUND)
        message(FATAL_ERROR "\nThe X11 Session Management (SM) development package could not be found.\nPlease install libSM.\n")
    endif(NOT X11_SM_FOUND)
endif(UNIX AND Q_WS_X11)

if(ENABLE_TESTING)
    set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
    find_package(Threads)
    set_package_properties(Threads PROPERTIES
        PURPOSE "Required for asynchorouns functions and methods execution"
        DESCRIPTION "Platform dependent threads implementation"
        URL ""
        TYPE REQUIRED
    )
endif()

# required features
find_package(ZLIB)
set_package_properties(ZLIB PROPERTIES
    DESCRIPTION "Support for gzip compressed files and data streams"
    URL "http://www.zlib.net"
    TYPE REQUIRED
    PURPOSE "Required by the core KDE libraries and some critical kioslaves"
)

find_package(SharedMimeInfo 0.91)
set_package_properties(SharedMimeInfo PROPERTIES
    DESCRIPTION "Shared Mime Info"
    URL "http://freedesktop.org/wiki/Software/shared-mime-info"
    TYPE REQUIRED
    PURPOSE "Allows KDE applications to determine file types"
)

find_package(ENCHANT 1.4.0)
set_package_properties(ENCHANT PROPERTIES
    DESCRIPTION "Generic spell checking library"
    URL "http://www.abisource.com/projects/enchant/"
    TYPE REQUIRED
    PURPOSE "Spell checking support via Enchant"
)

# v7.43.0+ required for CURL_AT_LEAST_VERSION() macro
find_package(CURL 7.43.0)
set_package_properties(CURL PROPERTIES
    DESCRIPTION "Command line tool and library for transferring data with URLs"
    URL "https://curl.se/"
    TYPE REQUIRED
    PURPOSE "KIO HTTP(S) slave"
)

# optional features
if(X11_FOUND)
    kde4_bool_to_01(X11_XTest_FOUND HAVE_XTEST)
    kde4_bool_to_01(X11_Xcursor_FOUND HAVE_XCURSOR)
    kde4_bool_to_01(X11_Xfixes_FOUND HAVE_XFIXES)
    kde4_bool_to_01(X11_Xscreensaver_FOUND HAVE_XSCREENSAVER)
    kde4_bool_to_01(X11_XSync_FOUND HAVE_XSYNC)

    add_feature_info("X Test Extension (libXTest)" HAVE_XTEST "Support for notfication restriction")
    add_feature_info("X Cursor Extension (Xcursor)" HAVE_XCURSOR "Support for loading cursors depending on theme")
    add_feature_info("X Fixes Extension (libXfixes)" HAVE_XFIXES "Support for damage/fixes cursor and window management")
    add_feature_info("X Screensaver Extension (libXss)" HAVE_XSCREENSAVER "Support for KIdleTime (fallback mode)")
    add_feature_info("X Sync Extension (libXext)" HAVE_XSYNC "Efficient operation of KIdleTime")

    if(NOT HAVE_XSYNC AND NOT HAVE_XSCREENSAVER)
        message(FATAL_ERROR "\nNeither the XSync (libXext) nor XScreensaver (libXss) development package was found.\nPlease install one of them (XSync is recommended)\n")
    endif(NOT HAVE_XSYNC AND NOT HAVE_XSCREENSAVER)
endif(X11_FOUND)

kde4_optional_find_package(Libintl)
set_package_properties(Libintl PROPERTIES
    DESCRIPTION "Support for multiple languages"
    URL "http://www.gnu.org/software/gettext"
    TYPE RECOMMENDED
    PURPOSE "Enables KDE to be available in many different languages"
)

kde4_optional_find_package(DBusMenuQt)
set_package_properties(DBusMenuQt PROPERTIES
    DESCRIPTION "Support for notification area menus via the DBusMenu protocol"
    URL "https://osdn.net/projects/kde/"
    TYPE RECOMMENDED
)

kde4_optional_find_package(MPV 0.23.0)
set_package_properties(MPV PROPERTIES
    DESCRIPTION "A fork of mplayer2 and MPlayer"
    URL "https://mpv.io/"
    TYPE RECOMMENDED
    PURPOSE "Media preview, sound notifications, etc."
)

kde4_optional_find_package(ACL)
set_package_properties(ACL
    PROPERTIES
    DESCRIPTION "Support for manipulating access control lists"
    URL "ftp://oss.sgi.com/projects/xfs/cmd_tars"
    TYPE RECOMMENDED
    PURPOSE "KIO and KIO slaves"
)

kde4_optional_find_package(Avahi)
set_package_properties(Avahi PROPERTIES
    DESCRIPTION "Facilities for service discovery on a local network (DNSSD)"
    URL "https://avahi.org/"
    TYPE OPTIONAL
    PURPOSE "Avahi is required for KDE applications to make use of multicast DNS/DNS-SD service discovery"
)

kde4_optional_find_package(BZip2)
set_package_properties(BZip2 PROPERTIES
    DESCRIPTION "Support for BZip2 compressed files and data streams"
    URL "http://www.bzip.org"
    TYPE RECOMMENDED
)

kde4_optional_find_package(LibLZMA)
set_package_properties(LibLZMA PROPERTIES
    DESCRIPTION "Support for xz compressed files and data streams"
    URL "https://tukaani.org/xz/"
    TYPE OPTIONAL
)

kde4_optional_find_package(ImageMagick COMPONENTS Magick++)
set_package_properties(ImageMagick PROPERTIES
    URL "https://imagemagick.org/"
    PURPOSE "Support for various image formats"
    TYPE OPTIONAL
)

kde4_optional_find_package(WebP)
set_package_properties(WebP PROPERTIES
    DESCRIPTION "A new image format for the Web"
    URL "https://developers.google.com/speed/webp"
    TYPE OPTIONAL
)

# v143+ required for udev_monitor_filter_add_match_subsystem_devtype()
kde4_optional_find_package(UDev 143)
set_package_properties(UDev PROPERTIES
    DESCRIPTION "UDev support for Solid"
    URL "http://www.kernel.org/pub/linux/utils/kernel/hotplug/udev.html"
    PURPOSE "Allows Solid to use UDev to provide information about devices on Linux"
    TYPE OPTIONAL
)

kde4_optional_find_package(Devinfo)
set_package_properties(Devinfo PROPERTIES
    DESCRIPTION "Devinfo support for Solid"
    URL "https://www.freebsd.org/cgi/man.cgi?query=devinfo&sektion=3"
    PURPOSE "Allows Solid to use Devinfo to provide information about devices on FreeBSD"
    TYPE OPTIONAL
)

kde4_optional_find_package(LibCDIO)
set_package_properties(LibCDIO PROPERTIES
    DESCRIPTION "GNU Compact Disc Input and Control Library"
    URL "https://www.gnu.org/software/libcdio/"
    PURPOSE "Allows Solid to use libcdio to provide information about CD-ROM devices on Linux"
    TYPE OPTIONAL
)

kde4_optional_find_package(Exiv2 0.21)
set_package_properties(Exiv2 PROPERTIES
    DESCRIPTION "Image metadata library and tools"
    URL "http://www.exiv2.org"
    TYPE RECOMMENDED
    PURPOSE "Exiv2 metadata extraction and image rotation based on the data"
)

kde4_optional_find_package(FFmpeg)
set_package_properties(FFmpeg PROPERTIES
    DESCRIPTION "A complete, cross-platform solution to record, convert and stream audio and video"
    URL "https://ffmpeg.org/"
    TYPE RECOMMENDED
    PURPOSE "Video metadata extraction"
)

kde4_optional_find_package(Taglib)
set_package_properties(Taglib PROPERTIES
    DESCRIPTION "TagLib Audio Meta-Data Library"
    URL "https://taglib.org/"
    TYPE RECOMMENDED
    PURPOSE "Audio metadata extraction"
)

kde4_optional_find_package(EPub)
set_package_properties(EPub PROPERTIES
    DESCRIPTION "A library for reading EPub documents"
    URL "https://sourceforge.net/projects/ebook-tools/"
    TYPE RECOMMENDED
    PURPOSE "eBook metadata extraction"
)

kde4_optional_find_package(Poppler)
set_package_properties(Poppler PROPERTIES
    DESCRIPTION "PDF rendering library"
    URL "https://poppler.freedesktop.org/"
    TYPE RECOMMENDED
    PURPOSE "PDF metadata extraction"
)

kde4_optional_find_package(LibSpectre)
set_package_properties(LibSpectre PROPERTIES
    DESCRIPTION "Small library for rendering Postscript documents"
    URL "https://www.freedesktop.org/wiki/Software/libspectre/"
    TYPE RECOMMENDED
    PURPOSE "Postscript metadata extraction"
)

kde4_optional_find_package(OpenSSL)
set_package_properties(OpenSSL PROPERTIES
    DESCRIPTION "Robust, commercial-grade, full-featured toolkit for general-purpose cryptography and secure communication"
    URL "https://www.openssl.org/"
    TYPE RECOMMENDED
    PURPOSE "Store password securely"
)

# v0.9.71+ required for MHD_Result
kde4_optional_find_package(Libmicrohttpd 0.9.71)
set_package_properties(Libmicrohttpd PROPERTIES
    DESCRIPTION "Small C library that is supposed to make it easy to run an HTTP server as part of another application"
    URL "https://www.gnu.org/software/libmicrohttpd/"
    TYPE RECOMMENDED
    PURPOSE "HTTP(S) server"
)

kde4_optional_find_package(Speechd)
set_package_properties(Speechd PROPERTIES
    DESCRIPTION "Speech Dispatcher provides a high-level device independent layer for speech synthesis"
    URL "https://freebsoft.org/speechd"
    TYPE RECOMMENDED
    PURPOSE "Text-To-Speech"
)

kde4_optional_find_package(LibArchive 3.0.3)
set_package_properties(LibArchive PROPERTIES
    DESCRIPTION "Multi-format archive and compression library"
    URL "https://libarchive.org/"
    PURPOSE "Archives in TAR, ZIP and other formats"
)

################# configure checks and create the configured files #################

include(ConfigureChecks.cmake)

# now create config headers
configure_file(config.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config.h)
configure_file(config-acl.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config-acl.h)
configure_file(config-prefix.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config-prefix.h)
configure_file(config-pty.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config-pty.h)
configure_file(kdemacros.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/kdemacros.h)

################# Disallow in-source build #################

if("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}")
    message(SEND_ERROR "kdelibs requires an out of source build")
endif()

#########################################################################

add_definitions(${QT_DEFINITIONS} ${KDE4_DEFINITIONS})

################# setup the include directories #################

# for including config.h and for includes like <kparts/foo.h>
include_directories(
    ${CMAKE_SOURCE_DIR}
    ${CMAKE_BINARY_DIR}
    ${CMAKE_SOURCE_DIR}/interfaces
)

# Those variables for  are only valid inside of kdelibs, of course.
# Use the one variable for the lib you depend upon.
# E.g. kdeui uses ${KDE4_KDECORE_INCLUDES}. Something that depends on kparts uses ${KDE4_KPARTS_INCLUDES}.

# kdecore depends on Qt
set(KDE4_KDECORE_INCLUDES
    ${KDE4_KDECORE_INCLUDES}
    ${CMAKE_SOURCE_DIR}/kdecore
    ${CMAKE_BINARY_DIR}/kdecore
    ${CMAKE_SOURCE_DIR}/kdecore/compression
    ${CMAKE_SOURCE_DIR}/kdecore/config
    ${CMAKE_SOURCE_DIR}/kdecore/date
    ${CMAKE_SOURCE_DIR}/kdecore/io
    ${CMAKE_SOURCE_DIR}/kdecore/jobs
    ${CMAKE_SOURCE_DIR}/kdecore/kernel
    ${CMAKE_SOURCE_DIR}/kdecore/auth
    ${CMAKE_SOURCE_DIR}/kdecore/network
    ${CMAKE_SOURCE_DIR}/kdecore/services
    ${CMAKE_SOURCE_DIR}/kdecore/localization
    ${CMAKE_SOURCE_DIR}/kdecore/sycoca
    ${CMAKE_SOURCE_DIR}/kdecore/text
    ${CMAKE_SOURCE_DIR}/kdecore/util
    ${CMAKE_SOURCE_DIR}/kdecore/sonnet
    ${CMAKE_BINARY_DIR}/kdecore
    ${QT_INCLUDES}
    ${_KDE4_PLATFORM_INCLUDE_DIRS}
)

# kdeui depends on kdecore
set(KDE4_KDEUI_INCLUDES
    ${CMAKE_SOURCE_DIR}/kdeui
    ${CMAKE_SOURCE_DIR}/kdeui/actions
    ${CMAKE_SOURCE_DIR}/kdeui/colors
    ${CMAKE_SOURCE_DIR}/kdeui/config
    ${CMAKE_SOURCE_DIR}/kdeui/dialogs
    ${CMAKE_SOURCE_DIR}/kdeui/findreplace
    ${CMAKE_SOURCE_DIR}/kdeui/fonts
    ${CMAKE_SOURCE_DIR}/kdeui/icons
    ${CMAKE_SOURCE_DIR}/kdeui/itemviews
    ${CMAKE_SOURCE_DIR}/kdeui/jobs
    ${CMAKE_SOURCE_DIR}/kdeui/kernel
    ${CMAKE_SOURCE_DIR}/kdeui/notifications
    ${CMAKE_SOURCE_DIR}/kdeui/paged
    ${CMAKE_SOURCE_DIR}/kdeui/plotting
    ${CMAKE_SOURCE_DIR}/kdeui/shortcuts
    ${CMAKE_SOURCE_DIR}/kdeui/sonnet
    ${CMAKE_SOURCE_DIR}/kdeui/util
    ${CMAKE_SOURCE_DIR}/kdeui/widgets
    ${CMAKE_SOURCE_DIR}/kdeui/windowmanagement
    ${CMAKE_SOURCE_DIR}/kdeui/xmlgui
    ${CMAKE_BINARY_DIR}/kdeui
    ${KDE4_KDECORE_INCLUDES}
)

# kio depends on kdeui
set(KDE4_KIO_INCLUDES
    ${CMAKE_SOURCE_DIR}/kio
    ${CMAKE_SOURCE_DIR}/kio/bookmarks
    ${CMAKE_SOURCE_DIR}/kio/kio
    ${CMAKE_SOURCE_DIR}/kio/kfile
    ${CMAKE_BINARY_DIR}/kio
    ${KDE4_KDEUI_INCLUDES}
)

# kpty
set(KDE4_KPTY_INCLUDES
    ${CMAKE_SOURCE_DIR}/kpty
    ${CMAKE_BINARY_DIR}/kpty
    ${KDE4_KIO_INCLUDES}
)

# kparts depends on kio
set(KDE4_KPARTS_INCLUDES
    ${CMAKE_SOURCE_DIR}/kparts
    ${CMAKE_BINARY_DIR}/kparts
    ${KDE4_KIO_INCLUDES}
)

################# list the subdirectories #################

add_subdirectory( cmake )

add_subdirectory( includes )
add_subdirectory( interfaces )
add_subdirectory( kdeclarative )
add_subdirectory( kdecore )
add_subdirectory( kded )
add_subdirectory( kdeui )
add_subdirectory( kdewidgets )
add_subdirectory( kfile )
add_subdirectory( kimgio )
add_subdirectory( kinit )
add_subdirectory( kio )
add_subdirectory( kioslave )
add_subdirectory( knotify )
add_subdirectory( kparts )
add_subdirectory( kpty )
add_subdirectory( kutils )
add_subdirectory( licenses )
add_subdirectory( mimetypes )
add_subdirectory( plasma )
add_subdirectory( solid )

################# write kdelibs package config files which will be installed #################

configure_file(KDE4Config.cmake ${CMAKE_CURRENT_BINARY_DIR}/KDE4Config.cmake @ONLY)
configure_file(KDE4Version.cmake ${CMAKE_CURRENT_BINARY_DIR}/KDE4Version.cmake @ONLY)

################# install files #################

install(
    FILES ${CMAKE_CURRENT_BINARY_DIR}/kdemacros.h
    DESTINATION ${KDE4_INCLUDE_INSTALL_DIR}
)

# the path bellow will be the correct locations once FindKDE4Internal is no longer required:
# ${KDE4_SHARE_INSTALL_PREFIX}/cmake/KDE4
install(
    FILES
    ${CMAKE_CURRENT_BINARY_DIR}/KDE4Config.cmake
    ${CMAKE_CURRENT_BINARY_DIR}/KDE4Version.cmake
    DESTINATION ${KDE4_DATA_INSTALL_DIR}/cmake/modules
)

install(
    EXPORT kdelibsLibraryTargets
    NAMESPACE ${KDE4_TARGET_PREFIX}
    FILE KDELibs4LibraryTargets.cmake
    DESTINATION ${KDE4_DATA_INSTALL_DIR}/cmake/modules
)
install(
    EXPORT kdelibsToolsTargets
    NAMESPACE ${KDE4_TARGET_PREFIX}
    FILE KDELibs4ToolsTargets.cmake
    DESTINATION ${KDE4_DATA_INSTALL_DIR}/cmake/modules
)

feature_summary(WHAT ALL
    INCLUDE_QUIET_PACKAGES
    FATAL_ON_MISSING_REQUIRED_PACKAGES
)