CMakeLists.txt 28.1 KB
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project(krita)
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message(STATUS "Using CMake version: ${CMAKE_VERSION}")

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cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)
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set(MIN_QT_VERSION 5.9.0)
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set(MIN_FRAMEWORKS_VERSION 5.18.0)
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if (POLICY CMP0002)
    cmake_policy(SET CMP0002 OLD)
endif()

if (POLICY CMP0017)
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    cmake_policy(SET CMP0017 NEW)
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endif ()
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if (POLICY CMP0022)
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    cmake_policy(SET CMP0022 OLD)
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endif ()
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if (POLICY CMP0026)
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    cmake_policy(SET CMP0026 OLD)
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endif()

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if (POLICY CMP0042)
    cmake_policy(SET CMP0042 NEW)
endif()

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if (POLICY CMP0046)
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    cmake_policy(SET CMP0046 OLD)
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endif ()
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if (POLICY CMP0059)
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    cmake_policy(SET CMP0059 OLD)
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endif()

if (POLICY CMP0063)
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    cmake_policy(SET CMP0063 OLD)
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endif()
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if (POLICY CMP0054)
    cmake_policy(SET CMP0054 OLD)
endif()

if (POLICY CMP0064)
    cmake_policy(SET CMP0064 OLD)
endif()

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if (POLICY CMP0071)
    cmake_policy(SET CMP0071 OLD)
endif()
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if (APPLE)
    set(APPLE_SUPPRESS_X11_WARNING TRUE)
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    set(KDE_SKIP_RPATH_SETTINGS TRUE)
    set(CMAKE_MACOSX_RPATH 1)
    set(BUILD_WITH_INSTALL_RPATH 1)
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    add_definitions(-mmacosx-version-min=10.11 -Wno-macro-redefined -Wno-deprecated-register)
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endif()
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if (CMAKE_COMPILER_IS_GNUCXX AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9 AND NOT WIN32)
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    add_definitions(-Wno-suggest-override)
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endif()

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 ######################
#######################
## Constants defines ##
#######################
######################
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# define common versions of Krita applications, used to generate kritaversion.h
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# update these version for every release:
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set(KRITA_VERSION_STRING "4.3.0-prealpha")
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# Major version: 3 for 3.x, 4 for 4.x, etc.
set(KRITA_STABLE_VERSION_MAJOR 4)
# Minor version: 0 for 4.0, 1 for 4.1, etc.
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set(KRITA_STABLE_VERSION_MINOR 3)
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# Bugfix release version, or 0 for before the first stable release
set(KRITA_VERSION_RELEASE 0)
# the 4th digit, really only used for the Windows installer:
# - [Pre-]Alpha: Starts from 0, increment 1 per release
# - Beta: Starts from 50, increment 1 per release
# - Stable: Set to 100, bump to 101 if emergency update is needed
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set(KRITA_VERSION_REVISION 0)
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set(KRITA_ALPHA 1) # uncomment only for Alpha
#set(KRITA_BETA 1) # uncomment only for Beta
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#set(KRITA_RC 1) # uncomment only for RC
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set(KRITA_YEAR 2018) # update every year
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if(NOT DEFINED KRITA_ALPHA AND NOT DEFINED KRITA_BETA AND NOT DEFINED KRITA_RC)
    set(KRITA_STABLE 1) # do not edit
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endif()

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message(STATUS "Krita version: ${KRITA_VERSION_STRING}")
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# Define the generic version of the Krita libraries here
# This makes it easy to advance it when the next Krita release comes.
# 14 was the last GENERIC_KRITA_LIB_VERSION_MAJOR of the previous Krita series
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# (2.x) so we're starting with 15 in 3.x series, 16 in 4.x series
if(KRITA_STABLE_VERSION_MAJOR EQUAL 4)
    math(EXPR GENERIC_KRITA_LIB_VERSION_MAJOR "${KRITA_STABLE_VERSION_MINOR} + 16")
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else()
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    # let's make sure we won't forget to update the "16"
    message(FATAL_ERROR "Reminder: please update offset == 16 used to compute GENERIC_KRITA_LIB_VERSION_MAJOR to something bigger")
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endif()
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set(GENERIC_KRITA_LIB_VERSION "${GENERIC_KRITA_LIB_VERSION_MAJOR}.0.0")
set(GENERIC_KRITA_LIB_SOVERSION "${GENERIC_KRITA_LIB_VERSION_MAJOR}")
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LIST (APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/modules")
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LIST (APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/kde_macro")
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# fetch git revision for the current build

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set(KRITA_GIT_SHA1_STRING "")
set(KRITA_GIT_BRANCH_STRING "")
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include(GetGitRevisionDescription)
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get_git_head_hash(GIT_SHA1)
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get_git_branch(GIT_BRANCH)
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if(GIT_SHA1)
   string(SUBSTRING ${GIT_SHA1} 0 7 GIT_SHA1)
   set(KRITA_GIT_SHA1_STRING ${GIT_SHA1})
   if(GIT_BRANCH)
       set(KRITA_GIT_BRANCH_STRING ${GIT_BRANCH})
   else()
       set(KRITA_GIT_BRANCH_STRING "(detached HEAD)")
   endif()
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endif()
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# create test make targets
enable_testing()
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# collect list of broken tests, empty here to start fresh with each cmake run
set(KRITA_BROKEN_TESTS "" CACHE INTERNAL "KRITA_BROKEN_TESTS")
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 ############
#############
## Options ##
#############
############
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include(FeatureSummary)

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if (WIN32)
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    option(USE_DRMINGW "Support the Dr. Mingw crash handler (only on windows)" ON)
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    add_feature_info("Dr. Mingw" USE_DRMINGW "Enable the Dr. Mingw crash handler")
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    if (MINGW)
        option(USE_MINGW_HARDENING_LINKER "Enable DEP (NX), ASLR and high-entropy ASLR linker flags (mingw-w64)" ON)
        add_feature_info("Linker Security Flags" USE_MINGW_HARDENING_LINKER "Enable DEP (NX), ASLR and high-entropy ASLR linker flags")
        if (USE_MINGW_HARDENING_LINKER)
            set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--dynamicbase -Wl,--nxcompat -Wl,--disable-auto-image-base")
            set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--dynamicbase -Wl,--nxcompat -Wl,--disable-auto-image-base")
            set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--dynamicbase -Wl,--nxcompat -Wl,--disable-auto-image-base")
            if ("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
                # Enable high-entropy ASLR for 64-bit
                # The image base has to be >4GB for HEASLR to be enabled.
                # The values used here are kind of arbitrary.
                set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--high-entropy-va -Wl,--image-base,0x140000000")
                set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--high-entropy-va -Wl,--image-base,0x180000000")
                set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--high-entropy-va -Wl,--image-base,0x180000000")
            endif ("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
        else (USE_MINGW_HARDENING_LINKER)
            message(WARNING "Linker Security Flags not enabled!")
        endif (USE_MINGW_HARDENING_LINKER)
    endif (MINGW)
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endif ()
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option(HIDE_SAFE_ASSERTS "Don't show message box for \"safe\" asserts, just ignore them automatically and dump a message to the terminal." ON)
configure_file(config-hide-safe-asserts.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config-hide-safe-asserts.h)
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add_feature_info("Hide Safe Asserts" HIDE_SAFE_ASSERTS "Don't show message box for \"safe\" asserts, just ignore them automatically and dump a message to the terminal.")
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option(USE_LOCK_FREE_HASH_TABLE "Use lock free hash table instead of blocking." ON)
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configure_file(config-hash-table-implementaion.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config-hash-table-implementaion.h)
add_feature_info("Lock free hash table" USE_LOCK_FREE_HASH_TABLE "Use lock free hash table instead of blocking.")

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option(FOUNDATION_BUILD "A Foundation build is a binary release build that can package some extra things like color themes. Linux distributions that build and install Krita into a default system location should not define this option to true." OFF)
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add_feature_info("Foundation Build" FOUNDATION_BUILD "A Foundation build is a binary release build that can package some extra things like color themes. Linux distributions that build and install Krita into a default system location should not define this option to true.")
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option(KRITA_ENABLE_BROKEN_TESTS "Enable tests that are marked as broken" OFF)
add_feature_info("Enable Broken Tests" KRITA_ENABLE_BROKEN_TESTS "Runs broken test when \"make test\" is invoked (use -DKRITA_ENABLE_BROKEN_TESTS=ON to enable).")
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option(LIMIT_LONG_TESTS "Run long running unittests in a limited quick mode" ON)
configure_file(config-limit-long-tests.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config-limit-long-tests.h)
add_feature_info("Limit long tests" LIMIT_LONG_TESTS "Run long running unittests in a limited quick mode")

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option(ENABLE_PYTHON_2 "Enables the compiler to look for Python 2.7 instead of Python 3. Some packaged scripts are not compatible with Python 2 and this should only be used if you really have to use 2.7." OFF)
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option(BUILD_KRITA_QT_DESIGNER_PLUGINS "Build Qt Designer plugins for Krita widgets" OFF)
add_feature_info("Build Qt Designer plugins" BUILD_KRITA_QT_DESIGNER_PLUGINS "Builds Qt Designer plugins for Krita widgets (use -DBUILD_KRITA_QT_DESIGNER_PLUGINS=ON to enable).")

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include(MacroJPEG)
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 #########################################################
## Look for Python3 It is also searched by KF5,         ##
## so we should request the correct version in advance  ##
#########################################################
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function(TestCompileLinkPythonLibs OUTPUT_VARNAME)
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    include(CheckCXXSourceCompiles)
    set(CMAKE_REQUIRED_INCLUDES ${PYTHON_INCLUDE_PATH})
    set(CMAKE_REQUIRED_LIBRARIES ${PYTHON_LIBRARIES})
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    if (MINGW)
        set(CMAKE_REQUIRED_DEFINITIONS -D_hypot=hypot)
    endif (MINGW)
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    unset(${OUTPUT_VARNAME} CACHE)
    CHECK_CXX_SOURCE_COMPILES("
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#include <Python.h>
int main(int argc, char *argv[]) {
    Py_InitializeEx(0);
}" ${OUTPUT_VARNAME})
endfunction()

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if(MINGW)
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    if(ENABLE_PYTHON_2)
        message(FATAL_ERROR "Python 2.7 is not supported on Windows at the moment.")
    else(ENABLE_PYTHON_2)
        find_package(PythonInterp 3.6 EXACT)
        find_package(PythonLibs 3.6 EXACT)
    endif(ENABLE_PYTHON_2)
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    if (PYTHONLIBS_FOUND AND PYTHONINTERP_FOUND)
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        if(ENABLE_PYTHON_2)
            find_package(PythonLibrary 2.7)
        else(ENABLE_PYTHON_2)
            find_package(PythonLibrary 3.6)
        endif(ENABLE_PYTHON_2)
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        TestCompileLinkPythonLibs(CAN_USE_PYTHON_LIBS)
        if (NOT CAN_USE_PYTHON_LIBS)
            message(FATAL_ERROR "Compiling with Python library failed, please check whether the architecture is correct. Python will be disabled.")
        endif (NOT CAN_USE_PYTHON_LIBS)
    endif (PYTHONLIBS_FOUND AND PYTHONINTERP_FOUND)
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else(MINGW)
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    if(ENABLE_PYTHON_2)
        find_package(PythonInterp 2.7)
        find_package(PythonLibrary 2.7)
    else(ENABLE_PYTHON_2)
        find_package(PythonInterp 3.0)
        find_package(PythonLibrary 3.0)
    endif(ENABLE_PYTHON_2)
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endif(MINGW)
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 ########################
#########################
## Look for KDE and Qt ##
#########################
########################
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find_package(ECM 5.22 REQUIRED NOMODULE)
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set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${ECM_MODULE_PATH} ${ECM_KDE_MODULE_DIR})
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include(ECMOptionalAddSubdirectory)
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include(ECMAddAppIcon)
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include(ECMSetupVersion)
include(ECMMarkNonGuiExecutable)
include(ECMGenerateHeaders)
include(GenerateExportHeader)
include(ECMMarkAsTest)
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include(ECMInstallIcons)
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include(CMakePackageConfigHelpers)
include(WriteBasicConfigVersionFile)
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include(CheckFunctionExists)
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include(KDEInstallDirs)
include(KDECMakeSettings)
include(KDECompilerSettings)

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# do not reorder to be alphabetical: this is the order in which the frameworks
# depend on each other.
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find_package(KF5 ${MIN_FRAMEWORKS_VERSION} REQUIRED COMPONENTS
        Config
        WidgetsAddons
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        Completion
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        CoreAddons
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        GuiAddons
        I18n
        ItemModels
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        ItemViews
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        WindowSystem
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        Archive
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)
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# KConfig deprecated authorizeKAction. In order to be warning free,
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# compile with the updated function when the dependency is new enough.
# Remove this (and the uses of the define) when the minimum KF5
# version is >= 5.24.0.
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if (${KF5Config_VERSION} VERSION_LESS "5.24.0" )
    message("Old KConfig (< 5.24.0) found.")
    add_definitions(-DKCONFIG_BEFORE_5_24)
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endif()
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find_package(Qt5 ${MIN_QT_VERSION}
        REQUIRED COMPONENTS
        Core
        Gui
        Widgets
        Xml
        Network
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        PrintSupport
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        Svg
        Test
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        Concurrent
)
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if (WIN32)
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    set(CMAKE_REQUIRED_INCLUDES ${Qt5Core_INCLUDE_DIRS})
    set(CMAKE_REQUIRED_LIBRARIES ${Qt5Core_LIBRARIES})

    CHECK_CXX_SOURCE_COMPILES("
#include <QCoreApplication>
int main(int argc, char *argv[]) {
QCoreApplication::setAttribute(Qt::AA_MSWindowsUseWinTabAPI);
}
"
    QT_HAS_WINTAB_SWITCH
    )

    unset(CMAKE_REQUIRED_INCLUDES)
    unset(CMAKE_REQUIRED_LIBRARIES)

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    option(USE_QT_TABLET_WINDOWS "Do not use Krita's forked Wintab and Windows Ink support on Windows, but leave everything to Qt." ON)
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	add_feature_info("Use Qt's Windows Tablet Support" USE_QT_TABLET_WINDOWS "Do not use Krita's forked Wintab and Windows Ink support on Windows, but leave everything to Qt.")
    configure_file(config_use_qt_tablet_windows.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config_use_qt_tablet_windows.h)
endif ()     

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set(CMAKE_REQUIRED_INCLUDES ${Qt5Core_INCLUDE_DIRS} ${Qt5Gui_INCLUDE_DIRS})
set(CMAKE_REQUIRED_LIBRARIES ${Qt5Core_LIBRARIES} ${Qt5Gui_LIBRARIES})

CHECK_CXX_SOURCE_COMPILES("
#include <QSurfaceFormat>
int main(int argc, char *argv[]) {
QSurfaceFormat fmt;
fmt.setColorSpace(QSurfaceFormat::scRGBColorSpace);
fmt.setColorSpace(QSurfaceFormat::bt2020PQColorSpace);
}
"
HAVE_HDR
)
configure_file(config-hdr.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config-hdr.h)

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CHECK_CXX_SOURCE_COMPILES("
#include <QGuiApplication>
int main(int argc, char *argv[]) {
QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::Round);
QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::RoundPreferFloor);
QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
}
"
HAVE_HIGH_DPI_SCALE_FACTOR_ROUNDING_POLICY
)
configure_file(config-high-dpi-scale-factor-rounding-policy.h.in ${CMAKE_CURRENT_BINARY_DIR}/config-high-dpi-scale-factor-rounding-policy.h)

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if (WIN32)
    CHECK_CXX_SOURCE_COMPILES("
#include <QtPlatformHeaders/QWindowsWindowFunctions>
int main(int argc, char *argv[]) {
QWindowsWindowFunctions::setHasBorderInFullScreenDefault(true);
}
"
    HAVE_SET_HAS_BORDER_IN_FULL_SCREEN_DEFAULT
    )
    configure_file(config-set-has-border-in-full-screen-default.h.in ${CMAKE_CURRENT_BINARY_DIR}/config-set-has-border-in-full-screen-default.h)
endif (WIN32)

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unset(CMAKE_REQUIRED_INCLUDES)
unset(CMAKE_REQUIRED_LIBRARIES)


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include (MacroAddFileDependencies)
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include (MacroBoolTo01)
include (MacroEnsureOutOfSourceBuild)
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macro_ensure_out_of_source_build("Compiling Krita inside the source directory is not possible. Please refer to the build instruction https://community.kde.org/Krita#Build_Instructions")
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# Note: OPTIONAL_COMPONENTS does not seem to be reliable
# (as of ECM 5.15.0, CMake 3.2)
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find_package(Qt5Multimedia ${MIN_QT_VERSION})
set_package_properties(Qt5Multimedia PROPERTIES
        DESCRIPTION "Qt multimedia integration"
        URL "http://www.qt.io/"
        TYPE OPTIONAL
        PURPOSE "Optionally used to provide sound support for animations")

macro_bool_to_01(Qt5Multimedia_FOUND HAVE_QT_MULTIMEDIA)
configure_file(config-qtmultimedia.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config-qtmultimedia.h )

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if (NOT APPLE)
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find_package(Qt5Quick ${MIN_QT_VERSION})
set_package_properties(Qt5Quick PROPERTIES
        DESCRIPTION "QtQuick"
        URL "http://www.qt.io/"
        TYPE OPTIONAL
        PURPOSE "Optionally used for the touch gui for Krita")

macro_bool_to_01(Qt5Quick_FOUND HAVE_QT_QUICK)

find_package(Qt5QuickWidgets ${MIN_QT_VERSION})
set_package_properties(Qt5QuickWidgets PROPERTIES
        DESCRIPTION "QtQuickWidgets"
        URL "http://www.qt.io/"
        TYPE OPTIONAL
        PURPOSE "Optionally used for the touch gui for Krita")
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endif()
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if (NOT WIN32 AND NOT APPLE)
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    find_package(Qt5 ${MIN_QT_VERSION} REQUIRED X11Extras)
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    find_package(Qt5DBus ${MIN_QT_VERSION})
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    set(HAVE_DBUS ${Qt5DBus_FOUND})
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    set_package_properties(Qt5DBus PROPERTIES
        DESCRIPTION "Qt DBUS integration"
        URL "http://www.qt.io/"
        TYPE OPTIONAL
        PURPOSE "Optionally used to provide a dbus api on Linux")
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    find_package(KF5Crash ${MIN_FRAMEWORKS_VERSION})
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    macro_bool_to_01(KF5Crash_FOUND HAVE_KCRASH)
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    set_package_properties(KF5Crash PROPERTIES
        DESCRIPTION "KDE's Crash Handler"
        URL "http://api.kde.org/frameworks-api/frameworks5-apidocs/kcrash/html/index.html"
        TYPE OPTIONAL
        PURPOSE "Optionally used to provide crash reporting on Linux")
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    find_package(X11 REQUIRED COMPONENTS Xinput)
    set(HAVE_X11 TRUE)
    add_definitions(-DHAVE_X11)
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    find_package(XCB COMPONENTS XCB ATOM)
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    set(HAVE_XCB ${XCB_FOUND})
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else()
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    set(HAVE_DBUS FALSE)
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    set(HAVE_X11 FALSE)
    set(HAVE_XCB FALSE)
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endif()

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add_definitions(
  -DQT_USE_QSTRINGBUILDER
  -DQT_STRICT_ITERATORS
  -DQT_NO_SIGNALS_SLOTS_KEYWORDS
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  -DQT_NO_URL_CAST_FROM_STRING
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)

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if (${Qt5_VERSION} VERSION_GREATER "5.8.0" )
    add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x50900)
elseif(${Qt5_VERSION} VERSION_GREATER "5.7.0" )
    add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x50800)
elseif(${Qt5_VERSION} VERSION_GREATER "5.6.0" )
    add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x50700)
else()
    add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x50600)
endif()

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add_definitions(-DTRANSLATION_DOMAIN=\"krita\")

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#
# The reason for this mode is that the Debug mode disable inlining
#
if(CMAKE_COMPILER_IS_GNUCXX)
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    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}  -fext-numeric-literals")
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endif()

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option(KRITA_DEVS "For Krita developers. This modifies the DEBUG build type to use -O3 -g, while still enabling Q_ASSERT. This is necessary because the Qt5 cmake modules normally append QT_NO_DEBUG to any build type that is not labeled Debug")
if (KRITA_DEVS)
    set(CMAKE_CXX_FLAGS_DEBUG "-O3 -g" CACHE STRING "" FORCE)
endif()

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if(UNIX)
    set(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES};m")
endif()

if(WIN32)
    if(MSVC)
        # C4522: 'class' : multiple assignment operators specified
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -wd4522")
    endif()
endif()

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# KDECompilerSettings adds the `--export-all-symbols` linker flag.
# We don't really need it.
if(MINGW)
    string(REPLACE "-Wl,--export-all-symbols" "" CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}")
    string(REPLACE "-Wl,--export-all-symbols" "" CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS}")
endif(MINGW)

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if(MINGW)
    # Hack CMake's variables to tell AR to create thin archives to reduce unnecessary writes.
    # Source of definition: https://github.com/Kitware/CMake/blob/v3.14.1/Modules/Platform/Windows-GNU.cmake#L128
    # Thin archives: https://sourceware.org/binutils/docs/binutils/ar.html#index-thin-archives
    macro(mingw_use_thin_archive lang)
        foreach(rule CREATE_SHARED_MODULE CREATE_SHARED_LIBRARY LINK_EXECUTABLE)
            string(REGEX REPLACE "(<CMAKE_AR> [^ T]+) " "\\1T " CMAKE_${lang}_${rule} "${CMAKE_${lang}_${rule}}")
        endforeach()
    endmacro()
    mingw_use_thin_archive(CXX)
endif(MINGW)

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# enable exceptions globally
kde_enable_exceptions()

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set(KRITA_DEFAULT_TEST_DATA_DIR ${CMAKE_SOURCE_DIR}/sdk/tests/data/)
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macro(macro_add_unittest_definitions)
  add_definitions(-DFILES_DATA_DIR="${CMAKE_CURRENT_SOURCE_DIR}/data/")
  add_definitions(-DFILES_OUTPUT_DIR="${CMAKE_CURRENT_BINARY_DIR}")
  add_definitions(-DFILES_DEFAULT_DATA_DIR="${KRITA_DEFAULT_TEST_DATA_DIR}")
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  add_definitions(-DSYSTEM_RESOURCES_DATA_DIR="${CMAKE_SOURCE_DIR}/krita/data/")
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endmacro()




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# overcome some platform incompatibilities
if(WIN32)
    include_directories(${CMAKE_CURRENT_SOURCE_DIR}/winquirks)
    add_definitions(-D_USE_MATH_DEFINES)
    add_definitions(-DNOMINMAX)
    set(WIN32_PLATFORM_NET_LIBS ws2_32.lib netapi32.lib)
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endif()
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# set custom krita plugin installdir
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set(KRITA_PLUGIN_INSTALL_DIR ${LIB_INSTALL_DIR}/kritaplugins)
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 ###########################
############################
## Required dependencies  ##
############################
###########################
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find_package(PNG REQUIRED)
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if (APPLE)
    # this is not added correctly on OSX -- see http://forum.kde.org/viewtopic.php?f=139&t=101867&p=221242#p221242
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    include_directories(SYSTEM ${PNG_INCLUDE_DIR})
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endif()
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add_definitions(-DBOOST_ALL_NO_LIB)
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find_package(Boost 1.55 REQUIRED COMPONENTS system)
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include_directories(SYSTEM ${Boost_INCLUDE_DIRS})
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##
## Test for GNU Scientific Library
##
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find_package(GSL)
set_package_properties(GSL PROPERTIES
    URL "http://www.gnu.org/software/gsl"
    TYPE RECOMMENDED
    PURPOSE "Required by Krita's Transform tool.")
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macro_bool_to_01(GSL_FOUND HAVE_GSL)
configure_file(config-gsl.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config-gsl.h )

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 ###########################
############################
## Optional dependencies  ##
############################
###########################

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find_package(ZLIB)
set_package_properties(ZLIB PROPERTIES
    DESCRIPTION "Compression library"
    URL "http://www.zlib.net/"
    TYPE OPTIONAL
    PURPOSE "Optionally used by the G'Mic and the PSD plugins")
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macro_bool_to_01(ZLIB_FOUND HAVE_ZLIB)

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find_package(OpenEXR)
set_package_properties(OpenEXR PROPERTIES
    DESCRIPTION "High dynamic-range (HDR) image file format"
    URL "http://www.openexr.com"
    TYPE OPTIONAL
    PURPOSE "Required by the Krita OpenEXR filter")
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macro_bool_to_01(OPENEXR_FOUND HAVE_OPENEXR)
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set(LINK_OPENEXR_LIB)
if(OPENEXR_FOUND)
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    include_directories(SYSTEM ${OPENEXR_INCLUDE_DIR})
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    set(LINK_OPENEXR_LIB ${OPENEXR_LIBRARIES})
    add_definitions(${OPENEXR_DEFINITIONS})
endif()

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find_package(TIFF)
set_package_properties(TIFF PROPERTIES
    DESCRIPTION "TIFF Library and Utilities"
    URL "http://www.remotesensing.org/libtiff"
    TYPE OPTIONAL
    PURPOSE "Required by the Krita TIFF filter")
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find_package(JPEG)
set_package_properties(JPEG PROPERTIES
    DESCRIPTION "Free library for JPEG image compression. Note: libjpeg8 is NOT supported."
    URL "http://www.libjpeg-turbo.org"
    TYPE OPTIONAL
    PURPOSE "Required by the Krita JPEG filter")
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find_package(GIF)
set_package_properties(GIF PROPERTIES
    DESCRIPTION "Library for loading and saving gif files."
    URL "http://giflib.sourceforge.net/"
    TYPE OPTIONAL
    PURPOSE "Required by the Krita GIF filter")

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find_package(HEIF "1.3.0")
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set_package_properties(HEIF PROPERTIES
    DESCRIPTION "Library for loading and saving heif files."
    URL "https://github.com/strukturag/libheif"
    TYPE OPTIONAL
    PURPOSE "Required by the Krita HEIF filter")

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set(LIBRAW_MIN_VERSION  "0.16")
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find_package(LibRaw ${LIBRAW_MIN_VERSION})
set_package_properties(LibRaw PROPERTIES
    DESCRIPTION "Library to decode RAW images"
    URL "http://www.libraw.org"
    TYPE OPTIONAL
    PURPOSE "Required to build the raw import plugin")

find_package(FFTW3)
set_package_properties(FFTW3 PROPERTIES
    DESCRIPTION "A fast, free C FFT library"
    URL "http://www.fftw.org/"
    TYPE OPTIONAL
    PURPOSE "Required by the Krita for fast convolution operators and some G'Mic features")
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macro_bool_to_01(FFTW3_FOUND HAVE_FFTW3)
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find_package(OCIO)
set_package_properties(OCIO PROPERTIES
    DESCRIPTION "The OpenColorIO Library"
    URL "http://www.opencolorio.org"
    TYPE OPTIONAL
    PURPOSE "Required by the Krita LUT docker")
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macro_bool_to_01(OCIO_FOUND HAVE_OCIO)
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set_package_properties(PythonLibrary PROPERTIES
    DESCRIPTION "Python Library"
    URL "http://www.python.org"
    TYPE OPTIONAL
    PURPOSE "Required by the Krita PyQt plugin")
macro_bool_to_01(PYTHONLIBS_FOUND HAVE_PYTHONLIBS)

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find_package(SIP "4.19.13")
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set_package_properties(SIP PROPERTIES
    DESCRIPTION "Support for generating SIP Python bindings"
    URL "https://www.riverbankcomputing.com/software/sip/download"
    TYPE OPTIONAL
    PURPOSE "Required by the Krita PyQt plugin")
macro_bool_to_01(SIP_FOUND HAVE_SIP)

find_package(PyQt5 "5.6.0")
set_package_properties(PyQt5 PROPERTIES
    DESCRIPTION "Python bindings for Qt5."
    URL "https://www.riverbankcomputing.com/software/pyqt/download5"
    TYPE OPTIONAL
    PURPOSE "Required by the Krita PyQt plugin")
macro_bool_to_01(PYQT5_FOUND HAVE_PYQT5)


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##
## Look for OpenGL
##
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# TODO: see if there is a better check for QtGui being built with opengl support (and thus the QOpenGL* classes)
if(Qt5Gui_OPENGL_IMPLEMENTATION)
    message(STATUS "Found QtGui OpenGL support")
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else()
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    message(FATAL_ERROR  "Did NOT find QtGui OpenGL support. Check your Qt configuration. You cannot build Krita without Qt OpenGL support.")
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endif()

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##
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## Test for eigen3
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##
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find_package(Eigen3 3.0 REQUIRED)
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set_package_properties(Eigen3 PROPERTIES
    DESCRIPTION "C++ template library for linear algebra"
    URL "http://eigen.tuxfamily.org"
    TYPE REQUIRED)
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##
## Test for exiv2
##
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find_package(LibExiv2 0.16 REQUIRED)
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##
## Test for lcms
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##
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find_package(LCMS2 2.4 REQUIRED)
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set_package_properties(LCMS2 PROPERTIES
    DESCRIPTION "LittleCMS Color management engine"
    URL "http://www.littlecms.com"
    TYPE REQUIRED
    PURPOSE "Will be used for color management and is necessary for Krita")
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if(LCMS2_FOUND)
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    if(NOT ${LCMS2_VERSION} VERSION_LESS 2040 )
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        set(HAVE_LCMS24 TRUE)
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    endif()
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    set(HAVE_REQUIRED_LCMS_VERSION TRUE)
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    set(HAVE_LCMS2 TRUE)
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endif()
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##
## Test for Vc
##
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set(OLD_CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} )
set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/modules )
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set(HAVE_VC FALSE)
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if (NOT ${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm")
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    if(NOT MSVC)
        find_package(Vc 1.1.0)
        set_package_properties(Vc PROPERTIES
            DESCRIPTION "Portable, zero-overhead SIMD library for C++"
            URL "https://github.com/VcDevel/Vc"
            TYPE OPTIONAL
            PURPOSE "Required by the Krita for vectorization")
        macro_bool_to_01(Vc_FOUND HAVE_VC)
    endif()
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endif()
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configure_file(config-vc.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config-vc.h )
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if(HAVE_VC)
    message(STATUS "Vc found!")
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    set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH}
                        "${CMAKE_SOURCE_DIR}/cmake/vc")
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    include (VcMacros)

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    if(Vc_COMPILER_IS_CLANG)
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        set(ADDITIONAL_VC_FLAGS "-ffp-contract=fast")
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        if(NOT WIN32)
            set(ADDITIONAL_VC_FLAGS "${ADDITIONAL_VC_FLAGS} -fPIC")
        endif()
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    elseif (NOT MSVC)
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        set(ADDITIONAL_VC_FLAGS "-fabi-version=0 -ffp-contract=fast")
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        if(NOT WIN32)
            set(ADDITIONAL_VC_FLAGS "${ADDITIONAL_VC_FLAGS} -fPIC")
        endif()
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    endif()
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    #Handle Vc master
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    if(Vc_COMPILER_IS_GCC OR Vc_COMPILER_IS_CLANG)
        AddCompilerFlag("-std=c++11" _ok)
        if(NOT _ok)
            AddCompilerFlag("-std=c++0x" _ok)
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        endif()
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    endif()
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    macro(ko_compile_for_all_implementations_no_scalar _objs _src)
        vc_compile_for_all_implementations(${_objs} ${_src} FLAGS ${ADDITIONAL_VC_FLAGS} ONLY SSE2 SSSE3 SSE4_1 AVX AVX2+FMA+BMI2)
    endmacro()
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    macro(ko_compile_for_all_implementations _objs _src)
        vc_compile_for_all_implementations(${_objs} ${_src} FLAGS ${ADDITIONAL_VC_FLAGS} ONLY Scalar SSE2 SSSE3 SSE4_1 AVX AVX2+FMA+BMI2)
    endmacro()
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endif()
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set(CMAKE_MODULE_PATH ${OLD_CMAKE_MODULE_PATH} )

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add_definitions(${QT_DEFINITIONS} ${QT_QTDBUS_DEFINITIONS})
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##
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## Test endianness
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##
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include (TestBigEndian)
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test_big_endian(CMAKE_WORDS_BIGENDIAN)
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##
## Test for qt-poppler
##
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find_package(Poppler COMPONENTS Qt5)
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set_package_properties(Poppler PROPERTIES
    DESCRIPTION "A PDF rendering library"
    URL "http://poppler.freedesktop.org"
    TYPE OPTIONAL
    PURPOSE "Required by the Krita PDF filter.")
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##
## Test for quazip
## 
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find_package(QuaZip 0.6)
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set_package_properties(QuaZip PROPERTIES
    DESCRIPTION "A library for reading and writing zip files"
    URL "https://stachenov.github.io/quazip/"
    TYPE REQUIRED
    PURPOSE "Needed for reading and writing KRA and ORA files"
)



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##
## Test for Atomics
##
include(CheckAtomic)

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 ############################
#############################
## Add Krita helper macros ##
#############################
############################
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include(MacroKritaAddBenchmark)
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 ####################
#####################
## Define includes ##
#####################
####################

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# for config.h and <toplevel/foo.h> includes (if any?)
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include_directories(BEFORE ${CMAKE_CURRENT_SOURCE_DIR}
                           ${CMAKE_CURRENT_BINARY_DIR}
                           ${CMAKE_SOURCE_DIR}/interfaces
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)

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add_subdirectory(libs)
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add_subdirectory(plugins)
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if (BUILD_TESTING)
    add_subdirectory(benchmarks)
endif()
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add_subdirectory(krita)
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configure_file(KoConfig.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/KoConfig.h )
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configure_file(config_convolution.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config_convolution.h)
configure_file(config-ocio.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config-ocio.h )

check_function_exists(powf HAVE_POWF)
configure_file(config-powf.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config-powf.h)
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if(WIN32)
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    include(${CMAKE_CURRENT_LIST_DIR}/packaging/windows/installer/ConfigureInstallerNsis.cmake)
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endif()

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message("\nBroken tests:")
foreach(tst ${KRITA_BROKEN_TESTS})
    message("    * ${tst}")
endforeach()
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feature_summary(WHAT ALL FATAL_ON_MISSING_REQUIRED_PACKAGES)
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if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/po OR EXISTS ${CMAKE_CURRENT_BINARY_DIR}/po )
  find_package(KF5I18n CONFIG REQUIRED)
  ki18n_install(po)
endif()