cmake_minimum_required(VERSION 2.8.12...3.19.1)
if(CMAKE_VERSION VERSION_LESS 3.12)
  cmake_policy(VERSION ${CMAKE_VERSION})
endif()

set(CMAKE_OSX_DEPLOYMENT_TARGET 10.9 CACHE INTERNAL "")
if(CMAKE_OSX_DEPLOYMENT_TARGET VERSION_LESS 10.9)
  message(WARNING "Building for macOS <= 10.9 is not supported")
endif()

file(STRINGS src/game/version.h VERSION_LINE
  LIMIT_COUNT 1
  REGEX "^#define GAME_RELEASE_VERSION "
)

if(VERSION_LINE MATCHES "\"([0-9]+)\\.([0-9]+)\\.([0-9]+)\"")
  set(VERSION_MAJOR ${CMAKE_MATCH_1})
  set(VERSION_MINOR ${CMAKE_MATCH_2})
  set(VERSION_PATCH ${CMAKE_MATCH_3})
elseif(VERSION_LINE MATCHES "\"([0-9]+)\\.([0-9]+)\"")
  set(VERSION_MAJOR ${CMAKE_MATCH_1})
  set(VERSION_MINOR ${CMAKE_MATCH_2})
  set(VERSION_PATCH "0")
else()
  message(FATAL_ERROR "Couldn't parse version from src/game/version.h")
endif()

# Extra support for CMake pre-3.0
if(NOT POLICY CMP0048)
  set(PROJECT_VERSION_MAJOR ${VERSION_MAJOR})
  set(PROJECT_VERSION_MINOR ${VERSION_MINOR})
  set(PROJECT_VERSION_PATCH ${VERSION_PATCH})
  if(VERSION_PATCH STREQUAL "0")
    set(PROJECT_VERSION ${VERSION_MAJOR}.${VERSION_MINOR})
  else()
    set(PROJECT_VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH})
  endif()
endif()
if(VERSION_PATCH STREQUAL "0")
  project(DDNet VERSION ${VERSION_MAJOR}.${VERSION_MINOR})
else()
  project(DDNet VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH})
endif()

set(ORIGINAL_CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH})
set(ORIGINAL_CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES})
set(ORIGINAL_CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
set(OWN_CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${PROJECT_SOURCE_DIR}/cmake)
set(CMAKE_MODULE_PATH ${OWN_CMAKE_MODULE_PATH})

if(CMAKE_SIZEOF_VOID_P EQUAL 4)
  set(TARGET_BITS "32")
else()
  set(TARGET_BITS "64")
endif()

if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
  set(TARGET_OS "windows")
elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
  set(TARGET_OS "linux")
elseif(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
  set(TARGET_OS "mac")
endif()

include(CheckCCompilerFlag)
include(CheckCXXCompilerFlag)
include(CheckSymbolExists)

check_symbol_exists(__i386 "" TARGET_ARCH_X86_i386)
if(TARGET_ARCH_X86_i386)
  set(TARGET_ARCH x86)
else()
  set(TARGET_ARCH)
endif()

set(AUTO_DEPENDENCIES_DEFAULT OFF)
if(TARGET_OS STREQUAL "windows")
  set(AUTO_DEPENDENCIES_DEFAULT ON)
elseif(TARGET_OS STREQUAL "linux")
endif()

option(WEBSOCKETS "Enable websockets support" OFF)
option(MYSQL "Enable mysql support" OFF)
option(AUTOUPDATE "Enable the autoupdater" OFF)
option(INFORM_UPDATE "Inform about available updates" ON)
option(VIDEORECORDER "Enable video recording support via FFmpeg" OFF)
option(UPNP "Enable UPnP support" OFF)
option(ANTIBOT "Enable support for a dynamic anticheat library" OFF)
option(CLIENT "Compile client" ON)
option(DOWNLOAD_GTEST "Download and compile GTest" ${AUTO_DEPENDENCIES_DEFAULT})
option(STEAM "Build the Steam release version" OFF)
option(PREFER_BUNDLED_LIBS "Prefer bundled libraries over system libraries" ${AUTO_DEPENDENCIES_DEFAULT})
option(DEV "Don't generate stuff necessary for packaging" OFF)

# Set version if not explicitly set
if(NOT VERSION)
  set(VERSION ${PROJECT_VERSION})
endif()

set(OpenGL_GL_PREFERENCE LEGACY)

# Set the default build type to Release
if(NOT(CMAKE_BUILD_TYPE))
  if(NOT(DEV))
    set(CMAKE_BUILD_TYPE Release)
  else()
    set(CMAKE_BUILD_TYPE Debug)
  endif()
endif()

if(NOT(CMAKE_BUILD_TYPE MATCHES "^(Release|Debug|RelWithDebInfo|MinSizeRel)$"))
  message(WARNING "Unknown CMAKE_BUILD_TYPE, should be one of Release, Debug, RelWithDebInfo or MinSizeRel")
endif()

set(DBG $<OR:$<CONFIG:Debug>,$<CONFIG:RelWithDebInfo>>)

if(CMAKE_VERSION VERSION_LESS 3.0)
  configure_file(src/game/version.h vd.h)
else()
  set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS
    src/game/version.h
  )
endif()

set(SERVER_EXECUTABLE DDNet-Server CACHE STRING "Name of the built server executable")
set(CLIENT_EXECUTABLE DDNet CACHE STRING "Name of the build client executable")

########################################################################
# Compiler flags
########################################################################

function(add_c_compiler_flag_if_supported VARIABLE FLAG)
  if(ARGC GREATER 2)
    set(CHECKED_FLAG "${ARGV2}")
  else()
    set(CHECKED_FLAG "${FLAG}")
  endif()
  string(REGEX REPLACE "[^A-Za-z0-9]" "_" CONFIG_VARIABLE "FLAG_SUPPORTED${CHECKED_FLAG}")
  check_c_compiler_flag("${CHECKED_FLAG}" ${CONFIG_VARIABLE})
  if(${CONFIG_VARIABLE})
    if(${VARIABLE})
      set("${VARIABLE}" "${${VARIABLE}};${FLAG}" PARENT_SCOPE)
    else()
      set("${VARIABLE}" "${FLAG}" PARENT_SCOPE)
    endif()
  endif()
endfunction()

# Force compiler colors on when using ninja. Ninja filters the colors out when
# it's not printing to a terminal on its own.
if(CMAKE_GENERATOR STREQUAL "Ninja")
  add_c_compiler_flag_if_supported(OUR_FLAGS -fdiagnostics-color=always)
  add_c_compiler_flag_if_supported(OUR_FLAGS -fcolor-diagnostics)
endif()

if(NOT MSVC)
  if(CMAKE_VERSION VERSION_LESS 3.1 OR TARGET_OS STREQUAL "mac")
    check_cxx_compiler_flag(-std=gnu++11 FLAG_SUPPORTED_std_gnu__11)
    if(FLAG_SUPPORTED_std_gnu__11)
      if(CMAKE_CXX_FLAGS)
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11")
      else()
        set(CMAKE_CXX_FLAGS -std=gnu++11)
      endif()
    endif()
  endif()

  # Protect the stack pointer.
  # -fstack-protector-all doesn't work on MinGW.
  add_c_compiler_flag_if_supported(OUR_FLAGS -fstack-protector-all)

  # Inaccurate floating point numbers cause problems on mingw-w64-gcc when
  # compiling for x86, might cause problems elsewhere. So don't store floats
  # in registers but keep them at higher accuracy.
  if(TARGET_ARCH STREQUAL "x86")
    add_c_compiler_flag_if_supported(OUR_FLAGS -ffloat-store)
  endif()

  # Don't insert timestamps into PEs to keep the build reproducible.
  if(TARGET_OS STREQUAL "windows")
    add_c_compiler_flag_if_supported(OUR_FLAGS_LINK -Wl,--no-insert-timestamp)
  endif()

  if(TARGET_OS STREQUAL "mac")
    add_c_compiler_flag_if_supported(OUR_FLAGS -stdlib=libc++)
  endif()

  add_c_compiler_flag_if_supported(OUR_FLAGS_OWN -Wall)
  if(CMAKE_VERSION VERSION_GREATER 3.3 OR CMAKE_VERSION VERSION_EQUAL 3.3)
    add_c_compiler_flag_if_supported(OUR_FLAGS_OWN
      $<$<COMPILE_LANGUAGE:C>:-Wdeclaration-after-statement>
      -Wdeclaration-after-statement
    )
  endif()
  add_c_compiler_flag_if_supported(OUR_FLAGS_OWN -Wextra)
  add_c_compiler_flag_if_supported(OUR_FLAGS_OWN -Wno-unused-parameter)
  add_c_compiler_flag_if_supported(OUR_FLAGS_OWN -Wno-missing-field-initializers)
  add_c_compiler_flag_if_supported(OUR_FLAGS_OWN -Wformat=2) # Warn about format strings.
  add_c_compiler_flag_if_supported(OUR_FLAGS_DEP -Wno-implicit-function-declaration)
  add_c_compiler_flag_if_supported(OUR_FLAGS_OWN -Wno-nullability-completeness) # Mac OS build on github
  add_c_compiler_flag_if_supported(OUR_FLAGS_OWN -Wduplicated-cond)
  add_c_compiler_flag_if_supported(OUR_FLAGS_OWN -Wduplicated-branches)
  add_c_compiler_flag_if_supported(OUR_FLAGS_OWN -Wlogical-op)
  add_c_compiler_flag_if_supported(OUR_FLAGS_OWN -Wrestrict)
  # TODO: Enable for C++ code except gtest
  #add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN "-Wuseless-cast")
endif()

if(NOT MSVC)
  check_c_compiler_flag("-O2;-Wp,-Werror;-D_FORTIFY_SOURCE=2" DEFINE_FORTIFY_SOURCE) # Some distributions define _FORTIFY_SOURCE by themselves.
endif()

########################################################################
# COMMON FUNCTIONS
########################################################################

function(set_glob VAR GLOBBING EXTS DIRECTORY) # ...
  set(GLOBS)
  foreach(ext ${EXTS})
    list(APPEND GLOBS "${DIRECTORY}/*.${ext}")
  endforeach()
  file(${GLOBBING} GLOB_RESULT ${GLOBS})
  list(SORT GLOB_RESULT)
  set(FILES)
  foreach(file ${ARGN})
    list(APPEND FILES "${PROJECT_SOURCE_DIR}/${DIRECTORY}/${file}")
  endforeach()

  if(NOT FILES STREQUAL GLOB_RESULT)
    message(AUTHOR_WARNING "${VAR} does not contain every file from directory ${DIRECTORY}")
    set(LIST_BUT_NOT_GLOB)
    if(POLICY CMP0057)
      cmake_policy(SET CMP0057 NEW)
      foreach(file ${FILES})
        if(NOT file IN_LIST GLOB_RESULT)
          list(APPEND LIST_BUT_NOT_GLOB ${file})
        endif()
      endforeach()
      if(LIST_BUT_NOT_GLOB)
        message(AUTHOR_WARNING "Entries only present in ${VAR}: ${LIST_BUT_NOT_GLOB}")
      endif()
      set(GLOB_BUT_NOT_LIST)
      foreach(file ${GLOB_RESULT})
        if(NOT file IN_LIST FILES)
          list(APPEND GLOB_BUT_NOT_LIST ${file})
        endif()
      endforeach()
      if(GLOB_BUT_NOT_LIST)
        message(AUTHOR_WARNING "Entries only present in ${DIRECTORY}: ${GLOB_BUT_NOT_LIST}")
      endif()
      if(NOT LIST_BUT_NOT_GLOB AND NOT GLOB_BUT_NOT_LIST)
        message(AUTHOR_WARNING "${VAR} is not alphabetically sorted")
      endif()
    endif()
  endif()

  set(${VAR} ${FILES} PARENT_SCOPE)
endfunction()

function(set_src VAR GLOBBING DIRECTORY) # ...
  set_glob(${VAR} ${GLOBBING} "c;cpp;h" ${DIRECTORY} ${ARGN})
  set(${VAR} ${${VAR}} PARENT_SCOPE)
endfunction()

function(set_own_rpath TARGET)
  if(NOT TARGET_OS STREQUAL "windows" AND NOT TARGET_OS STREQUAL "mac")
    if(CMAKE_VERSION VERSION_GREATER 3.14 OR CMAKE_VERSION VERSION_EQUAL 3.14)
      set_property(TARGET ${TARGET} PROPERTY BUILD_RPATH_USE_ORIGIN TRUE)
    elseif(CMAKE_VERSION VERSION_GREATER 3.8 OR CMAKE_VERSION VERSION_EQUAL 3.8)
      set_property(TARGET ${TARGET} PROPERTY BUILD_RPATH "$ORIGIN")
    endif()
    set_property(TARGET ${TARGET} PROPERTY INSTALL_RPATH "$ORIGIN/../lib/ddnet")
  endif()
endfunction()

if(NOT TARGET_OS STREQUAL "windows" AND NOT TARGET_OS STREQUAL "mac" AND CMAKE_VERSION VERSION_LESS 3.8)
  if((CLIENT AND STEAM) OR ANTIBOT)
    message(STATUS "Can't set BUILD_RPATH in CMake before 3.8, pass -Wl,-rpath,'$ORIGIN' manually if you wish to emulate this. Or just install a newer version of CMake...")
  endif()
endif()

########################################################################
# INITIALIZE TARGET LISTS
########################################################################

set(TARGETS_OWN)
set(TARGETS_DEP)

set(TARGETS_LINK) # Targets with a linking stage.

########################################################################
# DEPENDENCIES
########################################################################

function(set_extra_dirs_lib VARIABLE NAME)
  set("PATHS_${VARIABLE}_LIBDIR" PARENT_SCOPE)
  set("HINTS_${VARIABLE}_LIBDIR" PARENT_SCOPE)
  if(PREFER_BUNDLED_LIBS)
    set(TYPE HINTS)
  else()
    set(TYPE PATHS)
  endif()
  if(TARGET_BITS AND TARGET_OS)
    set(DIR "ddnet-libs/${NAME}/${TARGET_OS}/lib${TARGET_BITS}")
    set("${TYPE}_${VARIABLE}_LIBDIR" "${DIR}" PARENT_SCOPE)
    set("EXTRA_${VARIABLE}_LIBDIR" "${DIR}" PARENT_SCOPE)
  endif()
endfunction()

function(set_extra_dirs_include VARIABLE NAME LIBRARY)
  set("PATHS_${VARIABLE}_INCLUDEDIR" PARENT_SCOPE)
  set("HINTS_${VARIABLE}_INCLUDEDIR" PARENT_SCOPE)
  is_bundled(IS_BUNDLED "${LIBRARY}")
  if(IS_BUNDLED)
    set("HINTS_${VARIABLE}_INCLUDEDIR" "ddnet-libs/${NAME}/include" "ddnet-libs/${NAME}/include/${TARGET_OS}" PARENT_SCOPE)
  endif()
endfunction()

if(CMAKE_CROSSCOMPILING)
  set(CROSSCOMPILING_NO_CMAKE_SYSTEM_PATH NO_CMAKE_SYSTEM_PATH)
else()
  set(CROSSCOMPILING_NO_CMAKE_SYSTEM_PATH)
endif()

function(is_bundled VARIABLE PATH)
  if(PATH)
    string(FIND "${PATH}" "${PROJECT_SOURCE_DIR}" LOCAL_PATH_POS)
    if(LOCAL_PATH_POS EQUAL 0 AND TARGET_BITS AND TARGET_OS)
      set("${VARIABLE}" ON PARENT_SCOPE)
    else()
      set("${VARIABLE}" OFF PARENT_SCOPE)
    endif()
  else()
    set("${VARIABLE}" OFF PARENT_SCOPE)
  endif()
endfunction()

if(NOT CMAKE_CROSSCOMPILING)
  # Check for PkgConfig once so all the other `find_package` calls can do it
  # quietly.
  find_package(PkgConfig)
endif()
find_package(ZLIB)
find_package(Crypto)
find_package(Curl)
if(VIDEORECORDER)
  find_package(FFMPEG)
endif()
find_package(Freetype)
if(DOWNLOAD_GTEST)
  find_package(Git)
endif()
find_package(GLEW)
find_package(GTest)
if(UPNP)
  find_package(Miniupnpc)
endif()
if(MYSQL)
  find_package(MySQL)
else()
  set(MYSQL_LIBRARIES)
endif()
find_package(Ogg)
find_package(Opus)
find_package(Opusfile)
find_package(Pnglite)
find_package(PythonInterp 3)
find_package(SDL2)
find_package(SQLite3)
find_package(Threads)
find_package(Wavpack)
if(WEBSOCKETS)
  find_package(Websockets)
else()
  set(WEBSOCKETS_LIBRARIES)
  set(WEBSOCKETS_INCLUDE_DIRS)
endif()


if(TARGET_OS AND TARGET_OS STREQUAL "mac")
  find_program(CMAKE_OTOOL otool)
  find_program(DMG dmg)
  find_program(HFSPLUS hfsplus)
  find_program(NEWFS_HFS newfs_hfs)
  if(DMG AND HFSPLUS AND NEWFS_HFS)
    set(DMGTOOLS_FOUND ON)
  else()
    set(DMGTOOLS_FOUND OFF)
  endif()

  find_program(HDIUTIL hdiutil)
  if(HDIUTIL)
    set(HDIUTIL_FOUND ON)
  else()
    set(HDIUTIL_FOUND OFF)
  endif()
endif()

message(STATUS "******** DDNet ********")
if(NOT TARGET_OS STREQUAL "mac")
  message(STATUS "Target OS: ${TARGET_OS} ${TARGET_BITS}bit")
else()
  message(STATUS "Target OS: ${TARGET_OS} ${TARGET_BITS}bit (SDK: ${CMAKE_OSX_SYSROOT})")
endif()
message(STATUS "Compiler: ${CMAKE_CXX_COMPILER}")
message(STATUS "Build type: ${CMAKE_BUILD_TYPE}")

message(STATUS "Dependencies:")
function(show_dependency_status OUTPUT_NAME NAME)
  if(${NAME}_FOUND)
    if(${NAME}_BUNDLED)
      message(STATUS " * ${OUTPUT_NAME} not found (using bundled version)")
    else()
      message(STATUS " * ${OUTPUT_NAME} found")
    endif()
  else()
    message(STATUS " * ${OUTPUT_NAME} not found")
  endif()
endfunction()

show_dependency_status("Curl" CURL)
if(TARGET_OS AND TARGET_OS STREQUAL "mac")
  show_dependency_status("Dmg tools" DMGTOOLS)
endif()
if(VIDEORECORDER)
  show_dependency_status("FFmpeg" FFMPEG)
endif()
show_dependency_status("Freetype" FREETYPE)
if(DOWNLOAD_GTEST)
  show_dependency_status("Git" GIT)
endif()
show_dependency_status("Glew" GLEW)
show_dependency_status("GTest" GTEST)
if(TARGET_OS AND TARGET_OS STREQUAL "mac")
  show_dependency_status("Hdiutil" HDIUTIL)
endif()
if(UPNP)
  show_dependency_status("Miniupnpc" MINIUPNPC)
endif()
if(MYSQL)
  show_dependency_status("MySQL" MYSQL)
endif()
show_dependency_status("Ogg" OGG)
show_dependency_status("OpenSSL Crypto" CRYPTO)
show_dependency_status("Opus" OPUS)
show_dependency_status("Opusfile" OPUSFILE)
show_dependency_status("Pnglite" PNGLITE)
show_dependency_status("PythonInterp" PYTHONINTERP)
show_dependency_status("SDL2" SDL2)
show_dependency_status("SQLite3" SQLite3)
show_dependency_status("Wavpack" WAVPACK)
show_dependency_status("Zlib" ZLIB)
if(WEBSOCKETS)
  show_dependency_status("Websockets" WEBSOCKETS)
endif()

if(CLIENT AND NOT(CURL_FOUND))
  message(SEND_ERROR "You must install Curl to compile DDNet")
endif()
if(NOT(PYTHONINTERP_FOUND))
  message(SEND_ERROR "You must install Python to compile DDNet")
endif()
if(NOT(SQLite3_FOUND))
  message(SEND_ERROR "You must install SQLite3 to compile DDNet")
endif()

if(MYSQL AND NOT(MYSQL_FOUND))
  message(SEND_ERROR "You must install MySQL to compile the DDNet server with MySQL support")
endif()

if(WEBSOCKETS AND NOT(WEBSOCKETS_FOUND))
  message(SEND_ERROR "You must install libwebsockets to compile the DDNet server with websocket support")
endif()

if(UPNP AND NOT(MINIUPNPC_FOUND))
  message(SEND_ERROR "You must install miniupnpc to compile the DDNet server with UPnP support")
endif()

if(CLIENT AND NOT(FREETYPE_FOUND))
  message(SEND_ERROR "You must install Freetype to compile the DDNet client")
endif()
if(CLIENT AND NOT(OGG_FOUND))
  message(SEND_ERROR "You must install Ogg to compile the DDNet client")
endif()
if(CLIENT AND NOT(OPUS_FOUND))
  message(SEND_ERROR "You must install Opus to compile the DDNet client")
endif()
if(CLIENT AND NOT(OPUSFILE_FOUND))
  message(SEND_ERROR "You must install Opusfile to compile the DDNet client")
endif()
if(CLIENT AND NOT(SDL2_FOUND))
  message(SEND_ERROR "You must install SDL2 to compile the DDNet client")
endif()
if(NOT(GTEST_FOUND))
  if(DOWNLOAD_GTEST)
    if(GIT_FOUND)
      message(STATUS "Automatically downloading GTest to be able to run tests")
    else()
      set(DOWNLOAD_GTEST OFF)
      message(WARNING "To automatically download GTest, you have to install Git")
    endif()
  else()
    message(STATUS "To run the tests, you have to install GTest")
  endif()
endif()

if(TARGET_OS STREQUAL "windows")
  set(PLATFORM_CLIENT)
  set(PLATFORM_CLIENT_LIBS opengl32 winmm)
  set(PLATFORM_LIBS ws2_32) # Windows sockets
elseif(TARGET_OS STREQUAL "mac")
  find_library(CARBON Carbon)
  find_library(COCOA Cocoa)
  find_library(OPENGL OpenGL)
  find_library(SECURITY Security)
  set(PLATFORM_CLIENT
    src/osx/notifications.mm
    src/osxlaunch/client.m
  )
  set(PLATFORM_CLIENT_LIBS ${COCOA} ${OPENGL})
  set(PLATFORM_LIBS ${CARBON} ${SECURITY})
else()
  find_package(Notify)
  find_package(OpenGL)
  find_package(X11)
  set(PLATFORM_CLIENT_LIBS ${OPENGL_gl_LIBRARY} ${X11_X11_LIB} ${NOTIFY_LIBRARIES})
  set(PLATFORM_CLIENT_INCLUDE_DIRS ${OPENGL_INCLUDE_DIR} ${X11_X11_INCLUDE_PATH} ${NOTIFY_INCLUDE_DIRS})
  set(PLATFORM_CLIENT)
  if(TARGET_OS STREQUAL "linux")
    set(PLATFORM_LIBS rt) # clock_gettime for glibc < 2.17
  else()
    set(PLATFORM_LIBS)
  endif()
endif()

########################################################################
# DOWNLOAD GTEST
########################################################################

if(NOT(GTEST_FOUND) AND DOWNLOAD_GTEST)
  set(DDNET_GTEST_VERSION release-1.10.0) # 703bd9caab50b139428cea1aaff9974ebee5742e
  configure_file(cmake/Download_GTest_CMakeLists.txt.in googletest-download/CMakeLists.txt)
  execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
    RESULT_VARIABLE result
    WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/googletest-download
  )
  if(result)
    message(WARNING "CMake step for googletest failed: ${result}")
    set(DOWNLOAD_GTEST OFF)
  else()
    execute_process(COMMAND ${CMAKE_COMMAND} --build .
      RESULT_VARIABLE result
      WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/googletest-download
    )
    if(result)
      message(WARNING "Build step for googletest failed: ${result}")
      set(DOWNLOAD_GTEST OFF)
    else()
      file(GLOB_RECURSE DDNET_GTEST_CMAKELISTS ${CMAKE_BINARY_DIR}/googletest-src/CMakeLists.txt)
      foreach(file ${DDNET_GTEST_CMAKELISTS})
        file(READ ${file} CONTENTS)
        string(REPLACE "cmake_minimum_required(VERSION 2.6.4)" "cmake_minimum_required(VERSION 2.8.12...3.19.1)" CONTENTS "${CONTENTS}")
        string(REPLACE "cmake_minimum_required(VERSION 2.6.4)" "cmake_minimum_required(VERSION 2.8.12...3.19.1)" CONTENTS "${CONTENTS}")
        string(REPLACE "cmake_minimum_required(VERSION 2.8.8)" "cmake_minimum_required(VERSION 2.8.12...3.19.1)" CONTENTS "${CONTENTS}")
        file(WRITE ${file} "${CONTENTS}")
      endforeach()

      # Prevent overriding the parent project's compiler/linker settings on Windows
      set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)

      # Add googletest directly to our build. This defines the gtest target.
      add_subdirectory(
        ${PROJECT_BINARY_DIR}/googletest-src
        ${PROJECT_BINARY_DIR}/googletest-build
        EXCLUDE_FROM_ALL
      )

      if(MSVC)
        foreach(target gtest)
          # `/w` disables all warnings. This is needed because `gtest` enables
          # `/WX` (equivalent of `-Werror`) for some reason, breaking builds
          # when MSVS adds new warnings.
          target_compile_options(${target} PRIVATE $<$<NOT:${DBG}>:/MT> $<${DBG}:/MTd> /w)
        endforeach()
      endif()

      set(GTEST_LIBRARIES gtest)
      set(GTEST_INCLUDE_DIRS)
      if(CMAKE_VERSION VERSION_LESS 2.8.11)
        set(GTEST_INCLUDE_DIRS "${gtest_SOURCE_DIR}/include")
      endif()
    endif()
  endif()
endif()

########################################################################
# DEPENDENCY COMPILATION
########################################################################

set_src(DEP_JSON_SRC GLOB src/engine/external/json-parser json.c json.h)
add_library(json EXCLUDE_FROM_ALL OBJECT ${DEP_JSON_SRC})

set_src(DEP_MD5_SRC GLOB src/engine/external/md5 md5.c md5.h)
add_library(md5 EXCLUDE_FROM_ALL OBJECT ${DEP_MD5_SRC})

list(APPEND TARGETS_DEP json md5)
set(DEP_JSON $<TARGET_OBJECTS:json>)
set(DEP_MD5)
if(NOT CRYPTO_FOUND)
  set(DEP_MD5 $<TARGET_OBJECTS:md5>)
endif()

########################################################################
# DATA
########################################################################

set(EXPECTED_DATA
  arrow.png
  assets/entities/comfort/ddnet.png
  assets/entities/license.txt
  assets/game/game_06.png
  audio/foley_body_impact-01.wv
  audio/foley_body_impact-02.wv
  audio/foley_body_impact-03.wv
  audio/foley_body_splat-01.wv
  audio/foley_body_splat-02.wv
  audio/foley_body_splat-03.wv
  audio/foley_body_splat-04.wv
  audio/foley_dbljump-01.wv
  audio/foley_dbljump-02.wv
  audio/foley_dbljump-03.wv
  audio/foley_foot_left-01.wv
  audio/foley_foot_left-02.wv
  audio/foley_foot_left-03.wv
  audio/foley_foot_left-04.wv
  audio/foley_foot_right-01.wv
  audio/foley_foot_right-02.wv
  audio/foley_foot_right-03.wv
  audio/foley_foot_right-04.wv
  audio/foley_land-01.wv
  audio/foley_land-02.wv
  audio/foley_land-03.wv
  audio/foley_land-04.wv
  audio/hook_attach-01.wv
  audio/hook_attach-02.wv
  audio/hook_attach-03.wv
  audio/hook_loop-01.wv
  audio/hook_loop-02.wv
  audio/hook_noattach-01.wv
  audio/hook_noattach-02.wv
  audio/hook_noattach-03.wv
  audio/music_menu.wv
  audio/sfx_ctf_cap_pl.wv
  audio/sfx_ctf_drop.wv
  audio/sfx_ctf_grab_en.wv
  audio/sfx_ctf_grab_pl.wv
  audio/sfx_ctf_rtn.wv
  audio/sfx_hit_strong-01.wv
  audio/sfx_hit_strong-02.wv
  audio/sfx_hit_weak-01.wv
  audio/sfx_hit_weak-02.wv
  audio/sfx_hit_weak-03.wv
  audio/sfx_msg-client.wv
  audio/sfx_msg-highlight.wv
  audio/sfx_msg-server.wv
  audio/sfx_pickup_arm-01.wv
  audio/sfx_pickup_arm-02.wv
  audio/sfx_pickup_arm-03.wv
  audio/sfx_pickup_arm-04.wv
  audio/sfx_pickup_gun.wv
  audio/sfx_pickup_hrt-01.wv
  audio/sfx_pickup_hrt-02.wv
  audio/sfx_pickup_launcher.wv
  audio/sfx_pickup_ninja.wv
  audio/sfx_pickup_sg.wv
  audio/sfx_skid-01.wv
  audio/sfx_skid-02.wv
  audio/sfx_skid-03.wv
  audio/sfx_skid-04.wv
  audio/sfx_spawn_wpn-01.wv
  audio/sfx_spawn_wpn-02.wv
  audio/sfx_spawn_wpn-03.wv
  audio/vo_teefault_cry-01.wv
  audio/vo_teefault_cry-02.wv
  audio/vo_teefault_ninja-01.wv
  audio/vo_teefault_ninja-02.wv
  audio/vo_teefault_ninja-03.wv
  audio/vo_teefault_ninja-04.wv
  audio/vo_teefault_pain_long-01.wv
  audio/vo_teefault_pain_long-02.wv
  audio/vo_teefault_pain_short-01.wv
  audio/vo_teefault_pain_short-02.wv
  audio/vo_teefault_pain_short-03.wv
  audio/vo_teefault_pain_short-04.wv
  audio/vo_teefault_pain_short-05.wv
  audio/vo_teefault_pain_short-06.wv
  audio/vo_teefault_pain_short-07.wv
  audio/vo_teefault_pain_short-08.wv
  audio/vo_teefault_pain_short-09.wv
  audio/vo_teefault_pain_short-10.wv
  audio/vo_teefault_pain_short-11.wv
  audio/vo_teefault_pain_short-12.wv
  audio/vo_teefault_sledge-01.wv
  audio/vo_teefault_sledge-02.wv
  audio/vo_teefault_sledge-03.wv
  audio/vo_teefault_spawn-01.wv
  audio/vo_teefault_spawn-02.wv
  audio/vo_teefault_spawn-03.wv
  audio/vo_teefault_spawn-04.wv
  audio/vo_teefault_spawn-05.wv
  audio/vo_teefault_spawn-06.wv
  audio/vo_teefault_spawn-07.wv
  audio/wp_flump_explo-01.wv
  audio/wp_flump_explo-02.wv
  audio/wp_flump_explo-03.wv
  audio/wp_flump_launch-01.wv
  audio/wp_flump_launch-02.wv
  audio/wp_flump_launch-03.wv
  audio/wp_gun_fire-01.wv
  audio/wp_gun_fire-02.wv
  audio/wp_gun_fire-03.wv
  audio/wp_hammer_hit-01.wv
  audio/wp_hammer_hit-02.wv
  audio/wp_hammer_hit-03.wv
  audio/wp_hammer_swing-01.wv
  audio/wp_hammer_swing-02.wv
  audio/wp_hammer_swing-03.wv
  audio/wp_laser_bnce-01.wv
  audio/wp_laser_bnce-02.wv
  audio/wp_laser_bnce-03.wv
  audio/wp_laser_fire-01.wv
  audio/wp_laser_fire-02.wv
  audio/wp_laser_fire-03.wv
  audio/wp_ninja_attack-01.wv
  audio/wp_ninja_attack-02.wv
  audio/wp_ninja_attack-03.wv
  audio/wp_ninja_attack-04.wv
  audio/wp_ninja_hit-01.wv
  audio/wp_ninja_hit-02.wv
  audio/wp_ninja_hit-03.wv
  audio/wp_ninja_hit-04.wv
  audio/wp_noammo-01.wv
  audio/wp_noammo-02.wv
  audio/wp_noammo-03.wv
  audio/wp_noammo-04.wv
  audio/wp_noammo-05.wv
  audio/wp_shotty_fire-01.wv
  audio/wp_shotty_fire-02.wv
  audio/wp_shotty_fire-03.wv
  audio/wp_switch-01.wv
  audio/wp_switch-02.wv
  audio/wp_switch-03.wv
  blob.png
  browse_icons.png
  censorlist.txt
  console.png
  console_bar.png
  countryflags/AD.png
  countryflags/AE.png
  countryflags/AF.png
  countryflags/AG.png
  countryflags/AI.png
  countryflags/AL.png
  countryflags/AM.png
  countryflags/AO.png
  countryflags/AR.png
  countryflags/AS.png
  countryflags/AT.png
  countryflags/AU.png
  countryflags/AW.png
  countryflags/AX.png
  countryflags/AZ.png
  countryflags/BA.png
  countryflags/BB.png
  countryflags/BD.png
  countryflags/BE.png
  countryflags/BF.png
  countryflags/BG.png
  countryflags/BH.png
  countryflags/BI.png
  countryflags/BJ.png
  countryflags/BL.png
  countryflags/BM.png
  countryflags/BN.png
  countryflags/BO.png
  countryflags/BR.png
  countryflags/BS.png
  countryflags/BT.png
  countryflags/BW.png
  countryflags/BY.png
  countryflags/BZ.png
  countryflags/CA.png
  countryflags/CC.png
  countryflags/CD.png
  countryflags/CF.png
  countryflags/CG.png
  countryflags/CH.png
  countryflags/CI.png
  countryflags/CK.png
  countryflags/CL.png
  countryflags/CM.png
  countryflags/CN.png
  countryflags/CO.png
  countryflags/CR.png
  countryflags/CU.png
  countryflags/CV.png
  countryflags/CW.png
  countryflags/CX.png
  countryflags/CY.png
  countryflags/CZ.png
  countryflags/DE.png
  countryflags/DJ.png
  countryflags/DK.png
  countryflags/DM.png
  countryflags/DO.png
  countryflags/DZ.png
  countryflags/EC.png
  countryflags/EE.png
  countryflags/EG.png
  countryflags/EH.png
  countryflags/ER.png
  countryflags/ES.png
  countryflags/ET.png
  countryflags/FI.png
  countryflags/FJ.png
  countryflags/FK.png
  countryflags/FM.png
  countryflags/FO.png
  countryflags/FR.png
  countryflags/GA.png
  countryflags/GB.png
  countryflags/GD.png
  countryflags/GE.png
  countryflags/GF.png
  countryflags/GG.png
  countryflags/GH.png
  countryflags/GI.png
  countryflags/GL.png
  countryflags/GM.png
  countryflags/GN.png
  countryflags/GP.png
  countryflags/GQ.png
  countryflags/GR.png
  countryflags/GS.png
  countryflags/GT.png
  countryflags/GU.png
  countryflags/GW.png
  countryflags/GY.png
  countryflags/HK.png
  countryflags/HN.png
  countryflags/HR.png
  countryflags/HT.png
  countryflags/HU.png
  countryflags/ID.png
  countryflags/IE.png
  countryflags/IL.png
  countryflags/IM.png
  countryflags/IN.png
  countryflags/IO.png
  countryflags/IQ.png
  countryflags/IR.png
  countryflags/IS.png
  countryflags/IT.png
  countryflags/JE.png
  countryflags/JM.png
  countryflags/JO.png
  countryflags/JP.png
  countryflags/KE.png
  countryflags/KG.png
  countryflags/KH.png
  countryflags/KI.png
  countryflags/KM.png
  countryflags/KN.png
  countryflags/KP.png
  countryflags/KR.png
  countryflags/KW.png
  countryflags/KY.png
  countryflags/KZ.png
  countryflags/LA.png
  countryflags/LB.png
  countryflags/LC.png
  countryflags/LI.png
  countryflags/LK.png
  countryflags/LR.png
  countryflags/LS.png
  countryflags/LT.png
  countryflags/LU.png
  countryflags/LV.png
  countryflags/LY.png
  countryflags/MA.png
  countryflags/MC.png
  countryflags/MD.png
  countryflags/ME.png
  countryflags/MF.png
  countryflags/MG.png
  countryflags/MH.png
  countryflags/MK.png
  countryflags/ML.png
  countryflags/MM.png
  countryflags/MN.png
  countryflags/MO.png
  countryflags/MP.png
  countryflags/MQ.png
  countryflags/MR.png
  countryflags/MS.png
  countryflags/MT.png
  countryflags/MU.png
  countryflags/MV.png
  countryflags/MW.png
  countryflags/MX.png
  countryflags/MY.png
  countryflags/MZ.png
  countryflags/NA.png
  countryflags/NC.png
  countryflags/NE.png
  countryflags/NF.png
  countryflags/NG.png
  countryflags/NI.png
  countryflags/NL.png
  countryflags/NO.png
  countryflags/NP.png
  countryflags/NR.png
  countryflags/NU.png
  countryflags/NZ.png
  countryflags/OM.png
  countryflags/PA.png
  countryflags/PE.png
  countryflags/PF.png
  countryflags/PG.png
  countryflags/PH.png
  countryflags/PK.png
  countryflags/PL.png
  countryflags/PM.png
  countryflags/PN.png
  countryflags/PR.png
  countryflags/PS.png
  countryflags/PT.png
  countryflags/PW.png
  countryflags/PY.png
  countryflags/QA.png
  countryflags/RE.png
  countryflags/RO.png
  countryflags/RS.png
  countryflags/RU.png
  countryflags/RW.png
  countryflags/SA.png
  countryflags/SB.png
  countryflags/SC.png
  countryflags/SD.png
  countryflags/SE.png
  countryflags/SG.png
  countryflags/SH.png
  countryflags/SI.png
  countryflags/SK.png
  countryflags/SL.png
  countryflags/SM.png
  countryflags/SN.png
  countryflags/SO.png
  countryflags/SR.png
  countryflags/SS.png
  countryflags/ST.png
  countryflags/SV.png
  countryflags/SX.png
  countryflags/SY.png
  countryflags/SZ.png
  countryflags/TC.png
  countryflags/TD.png
  countryflags/TF.png
  countryflags/TG.png
  countryflags/TH.png
  countryflags/TJ.png
  countryflags/TK.png
  countryflags/TL.png
  countryflags/TM.png
  countryflags/TN.png
  countryflags/TO.png
  countryflags/TR.png
  countryflags/TT.png
  countryflags/TV.png
  countryflags/TW.png
  countryflags/TZ.png
  countryflags/UA.png
  countryflags/UG.png
  countryflags/US.png
  countryflags/UY.png
  countryflags/UZ.png
  countryflags/VA.png
  countryflags/VC.png
  countryflags/VE.png
  countryflags/VG.png
  countryflags/VI.png
  countryflags/VN.png
  countryflags/VU.png
  countryflags/WF.png
  countryflags/WS.png
  countryflags/XCA.png
  countryflags/XEN.png
  countryflags/XEU.png
  countryflags/XNI.png
  countryflags/XSC.png
  countryflags/XWA.png
  countryflags/YE.png
  countryflags/ZA.png
  countryflags/ZM.png
  countryflags/ZW.png
  countryflags/default.png
  countryflags/index.txt
  debug_font.png
  demo_buttons.png
  demo_buttons2.png
  editor/audio_source.png
  editor/background.png
  editor/basic_freeze.rules
  editor/checker.png
  editor/cursor.png
  editor/ddmax_freeze.rules
  editor/ddnet_tiles.rules
  editor/ddnet_walls.rules
  editor/desert_main.rules
  editor/entities/DDNet.png
  editor/entities/FNG.png
  editor/entities/Race.png
  editor/entities/Vanilla.png
  editor/entities/blockworlds.png
  editor/entities_clear/blockworlds.png
  editor/entities_clear/ddnet.png
  editor/entities_clear/ddrace.png
  editor/entities_clear/fng.png
  editor/entities_clear/race.png
  editor/entities_clear/vanilla.png
  editor/fadeout.rules
  editor/front.png
  editor/generic_clear.rules
  editor/generic_unhookable.rules
  editor/generic_unhookable_0.7.rules
  editor/grass_main.rules
  editor/grass_main_0.7.rules
  editor/jungle_main.rules
  editor/jungle_midground.rules
  editor/round_tiles.rules
  editor/speed_arrow.png
  editor/speedup.png
  editor/switch.png
  editor/tele.png
  editor/tune.png
  editor/water.rules
  editor/winter_main.rules
  emoticons.png
  file_icons.png
  fonts/DejaVuSans.ttf
  fonts/Icons.ttf
  fonts/SourceHanSansSC-Regular.otf
  game.png
  gui_buttons.png
  gui_cursor.png
  gui_icons.png
  gui_logo.png
  languages/belarusian.txt
  languages/bosnian.txt
  languages/brazilian_portuguese.txt
  languages/bulgarian.txt
  languages/catalan.txt
  languages/chuvash.txt
  languages/czech.txt
  languages/danish.txt
  languages/dutch.txt
  languages/finnish.txt
  languages/french.txt
  languages/german.txt
  languages/greek.txt
  languages/hungarian.txt
  languages/index.txt
  languages/italian.txt
  languages/japanese.txt
  languages/korean.txt
  languages/kyrgyz.txt
  languages/license.txt
  languages/norwegian.txt
  languages/persian.txt
  languages/polish.txt
  languages/portuguese.txt
  languages/romanian.txt
  languages/russian.txt
  languages/serbian.txt
  languages/serbian_cyrillic.txt
  languages/simplified_chinese.txt
  languages/slovak.txt
  languages/spanish.txt
  languages/swedish.txt
  languages/traditional_chinese.txt
  languages/turkish.txt
  languages/ukrainian.txt
  mapres/basic_freeze.png
  mapres/bg_cloud1.png
  mapres/bg_cloud2.png
  mapres/bg_cloud3.png
  mapres/ddmax_freeze.png
  mapres/ddnet_start.png
  mapres/ddnet_tiles.png
  mapres/ddnet_walls.png
  mapres/desert_background.png
  mapres/desert_doodads.png
  mapres/desert_main.png
  mapres/desert_mountains.png
  mapres/desert_mountains2.png
  mapres/desert_mountains_new_background.png
  mapres/desert_mountains_new_foreground.png
  mapres/desert_sun.png
  mapres/entities.png
  mapres/fadeout.png
  mapres/font_teeworlds.png
  mapres/font_teeworlds_alt.png
  mapres/generic_clear.png
  mapres/generic_deathtiles.png
  mapres/generic_lamps.png
  mapres/generic_unhookable.png
  mapres/generic_unhookable_0.7.png
  mapres/grass_doodads.png
  mapres/grass_doodads_0.7.png
  mapres/grass_main.png
  mapres/grass_main_0.7.png
  mapres/jungle_background.png
  mapres/jungle_deathtiles.png
  mapres/jungle_doodads.png
  mapres/jungle_main.png
  mapres/jungle_midground.png
  mapres/jungle_unhookables.png
  mapres/light.png
  mapres/mixed_tiles.png
  mapres/moon.png
  mapres/mountains.png
  mapres/round_tiles.png
  mapres/snow.png
  mapres/snow_mountain.png
  mapres/stars.png
  mapres/sun.png
  mapres/water.png
  mapres/winter_doodads.png
  mapres/winter_main.png
  mapres/winter_mountains.png
  mapres/winter_mountains2.png
  mapres/winter_mountains3.png
  maps/Gold\ Mine.map
  maps/LearnToPlay.map
  maps/Sunny\ Side\ Up.map
  maps/Tsunami.map
  maps/ctf1.map
  maps/ctf2.map
  maps/ctf3.map
  maps/ctf4.map
  maps/ctf5.map
  maps/ctf6.map
  maps/ctf7.map
  maps/dm1.map
  maps/dm2.map
  maps/dm6.map
  maps/dm7.map
  maps/dm8.map
  maps/dm9.map
  maps/license.txt
  maps7/Gold\ Mine.map
  maps7/LearnToPlay.map
  maps7/Sunny\ Side\ Up.map
  maps7/Tsunami.map
  maps7/readme.txt
  menuimages/demos.png
  menuimages/editor.png
  menuimages/local_server.png
  menuimages/play_game.png
  menuimages/settings.png
  particles.png
  shader/pipeline.frag
  shader/pipeline.vert
  shader/prim.frag
  shader/prim.vert
  shader/primex.frag
  shader/primex.vert
  shader/quad.frag
  shader/quad.vert
  shader/spritemulti.frag
  shader/spritemulti.vert
  shader/text.frag
  shader/text.vert
  shader/tile.frag
  shader/tile.vert
  skins/Aoe4leg.png
  skins/PaladiN.png
  skins/antiantey.png
  skins/beast.png
  skins/blacktee.png
  skins/bluekitty.png
  skins/bluestripe.png
  skins/bomb.png
  skins/brownbear.png
  skins/cammo.png
  skins/cammostripes.png
  skins/chinese_by_whis.png
  skins/coala.png
  skins/coala_bluekitty.png
  skins/coala_bluestripe.png
  skins/coala_cammo.png
  skins/coala_cammostripes.png
  skins/coala_default.png
  skins/coala_limekitty.png
  skins/coala_pinky.png
  skins/coala_redbopp.png
  skins/coala_redstripe.png
  skins/coala_saddo.png
  skins/coala_toptri.png
  skins/coala_twinbop.png
  skins/coala_twintri.png
  skins/coala_warpaint.png
  skins/coala_x_ninja.png
  skins/default.png
  skins/demonlimekitty.png
  skins/dino.png
  skins/dragon.png
  skins/evil.png
  skins/evilwolfe.png
  skins/ghost.png
  skins/ghostjtj.png
  skins/giraffe.png
  skins/greensward.png
  skins/greyfox.png
  skins/greyfox_2.png
  skins/hammie-chew.png
  skins/hammie-whis.png
  skins/jeet.png
  skins/kintaro_2.png
  skins/kitty_bluestripe.png
  skins/kitty_brownbear.png
  skins/kitty_cammo.png
  skins/kitty_cammostripes.png
  skins/kitty_coala.png
  skins/kitty_default.png
  skins/kitty_pinky.png
  skins/kitty_redbopp.png
  skins/kitty_redstripe.png
  skins/kitty_saddo.png
  skins/kitty_toptri.png
  skins/kitty_twinbop.png
  skins/kitty_twintri.png
  skins/kitty_warpaint.png
  skins/kitty_x_ninja.png
  skins/license.txt
  skins/limekitty.png
  skins/mermydon-coala.png
  skins/mermydon.png
  skins/mouse.png
  skins/musmann.png
  skins/nanami.png
  skins/nanas.png
  skins/nersif.png
  skins/oldman.png
  skins/oldschool.png
  skins/penguin.png
  skins/pinky.png
  skins/random.png
  skins/redbopp.png
  skins/redstripe.png
  skins/saddo.png
  skins/santa_bluekitty.png
  skins/santa_bluestripe.png
  skins/santa_brownbear.png
  skins/santa_cammo.png
  skins/santa_cammostripes.png
  skins/santa_coala.png
  skins/santa_default.png
  skins/santa_limekitty.png
  skins/santa_pinky.png
  skins/santa_redbopp.png
  skins/santa_redstripe.png
  skins/santa_saddo.png
  skins/santa_toptri.png
  skins/santa_twinbop.png
  skins/santa_twintri.png
  skins/santa_warpaint.png
  skins/teerasta.png
  skins/toptri.png
  skins/twinbop.png
  skins/twintri.png
  skins/veteran.png
  skins/voodoo_tee.png
  skins/warpaint.png
  skins/wartee.png
  skins/whis.png
  skins/x_ninja.png
  skins/x_spec.png
  themes/auto.png
  themes/autumn.png
  themes/autumn_day.map
  themes/autumn_night.map
  themes/heavens.png
  themes/heavens_day.map
  themes/heavens_night.map
  themes/jungle.png
  themes/jungle_day.map
  themes/jungle_night.map
  themes/none.png
  themes/rand.png
  themes/winter.png
  themes/winter_day.map
  themes/winter_night.map
  wordlist.txt
)

set_glob(DATA GLOB_RECURSE "frag;json;map;otf;png;rules;ttf;txt;vert;wv" data ${EXPECTED_DATA})

########################################################################
# COPY DATA AND DLLS
########################################################################

foreach(datafile ${DATA})
  file(RELATIVE_PATH OUT ${PROJECT_SOURCE_DIR}/data ${datafile})
  get_filename_component(DESTINATION data/${OUT} PATH)
  file(MAKE_DIRECTORY ${DESTINATION})
  file(COPY ${datafile} DESTINATION ${DESTINATION})
endforeach()
set(COPY_FILES
  ${CURL_COPY_FILES}
  ${FREETYPE_COPY_FILES}
  ${OPUSFILE_COPY_FILES}
  ${SDL2_COPY_FILES}
  ${SQLite3_COPY_FILES}
  ${FFMPEG_COPY_FILES}
  ${WEBSOCKETS_COPY_FILES}
)
file(COPY ${COPY_FILES} DESTINATION .)

########################################################################
# CODE GENERATION
########################################################################

function(generate_source output_file script_parameter)
  add_custom_command(OUTPUT ${output_file}
    COMMAND ${PYTHON_EXECUTABLE} datasrc/compile.py ${script_parameter}
      > "${PROJECT_BINARY_DIR}/${output_file}"
    DEPENDS
      datasrc/compile.py
      datasrc/content.py
      datasrc/datatypes.py
      datasrc/network.py
    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
  )
endfunction()

function(generate_source7 output_file script_parameter)
  add_custom_command(OUTPUT ${output_file}
    COMMAND ${PYTHON_EXECUTABLE} -m datasrc.seven.compile ${script_parameter}
      > "${PROJECT_BINARY_DIR}/${output_file}"
    DEPENDS
      datasrc/seven/compile.py
      datasrc/seven/content.py
      datasrc/seven/datatypes.py
      datasrc/seven/network.py
    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
  )
endfunction()

function(generate_maps output_file)
  add_custom_command(OUTPUT ${output_file}
    COMMAND ${PYTHON_EXECUTABLE} datasrc/crosscompile.py
      > "${PROJECT_BINARY_DIR}/${output_file}"
    DEPENDS
      datasrc/compile.py
      datasrc/content.py
      datasrc/datatypes.py
      datasrc/network.py
      datasrc/seven/compile.py
      datasrc/seven/content.py
      datasrc/seven/datatypes.py
      datasrc/seven/network.py
    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
  )
endfunction()

file(MAKE_DIRECTORY "${PROJECT_BINARY_DIR}/src/game/generated/")
execute_process(COMMAND git rev-parse --git-dir
  ERROR_QUIET
  WORKING_DIRECTORY "${PROJECT_SOURCE_DIR}"
  OUTPUT_VARIABLE PROJECT_GIT_DIR
  OUTPUT_STRIP_TRAILING_WHITESPACE
  RESULT_VARIABLE PROJECT_GIT_DIR_ERROR
)
if(NOT PROJECT_GIT_DIR_ERROR)
  set(GIT_REVISION_EXTRA_DEPS
    ${PROJECT_GIT_DIR}/index
    ${PROJECT_GIT_DIR}/logs/HEAD
  )
endif()
add_custom_command(OUTPUT ${PROJECT_BINARY_DIR}/src/game/generated/git_revision.cpp
  COMMAND ${PYTHON_EXECUTABLE}
    scripts/git_revision.py
    > ${PROJECT_BINARY_DIR}/src/game/generated/git_revision.cpp
  WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
  DEPENDS
    ${GIT_REVISION_EXTRA_DEPS}
    scripts/git_revision.py
)
generate_source("src/game/generated/client_data.cpp" "client_content_source")
generate_source("src/game/generated/client_data.h" "client_content_header")
generate_source("src/game/generated/protocol.cpp" "network_source")
generate_source("src/game/generated/protocol.h" "network_header")
generate_source("src/game/generated/server_data.cpp" "server_content_source")
generate_source("src/game/generated/server_data.h" "server_content_header")

generate_source7("src/game/generated/protocol7.cpp" "network_source")
generate_source7("src/game/generated/protocol7.h" "network_header")
generate_source7("src/game/generated/client_data7.cpp" "client_content_source")
generate_source7("src/game/generated/client_data7.h" "client_content_header")

generate_maps("src/game/generated/protocolglue.h")

add_custom_command(OUTPUT "src/game/generated/wordlist.h"
  COMMAND ${PYTHON_EXECUTABLE} scripts/wordlist.py > ${PROJECT_BINARY_DIR}/src/game/generated/wordlist.h
  WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
  DEPENDS
    scripts/wordlist.py
)

########################################################################
# SHARED
########################################################################

# Sources
set_src(BASE GLOB_RECURSE src/base
  color.h
  detect.h
  dynamic.h
  hash.c
  hash.h
  hash_bundled.c
  hash_ctxt.h
  hash_libtomcrypt.c
  hash_openssl.c
  math.h
  system.c
  system.h
  tl/algorithm.h
  tl/allocator.h
  tl/array.h
  tl/base.h
  tl/range.h
  tl/sorted_array.h
  tl/string.h
  tl/threading.h
  unicode/confusables.c
  unicode/confusables_data.h
  unicode/tolower.c
  unicode/tolower_data.h
  vmath.h
)
set_src(ENGINE_INTERFACE GLOB src/engine
  antibot.h
  client.h
  config.h
  console.h
  demo.h
  editor.h
  engine.h
  friends.h
  ghost.h
  graphics.h
  input.h
  kernel.h
  keys.h
  map.h
  masterserver.h
  message.h
  server.h
  serverbrowser.h
  sound.h
  steam.h
  storage.h
  textrender.h
  updater.h
  uuid.h
  warning.h
)
set_src(ENGINE_SHARED GLOB src/engine/shared
  compression.cpp
  compression.h
  config.cpp
  config.h
  config_variables.h
  console.cpp
  console.h
  csv.cpp
  csv.h
  datafile.cpp
  datafile.h
  demo.cpp
  demo.h
  econ.cpp
  econ.h
  engine.cpp
  fifo.cpp
  fifo.h
  filecollection.cpp
  filecollection.h
  global_uuid_manager.cpp
  huffman.cpp
  huffman.h
  image_manipulation.cpp
  image_manipulation.h
  jobs.cpp
  jobs.h
  json.cpp
  json.h
  kernel.cpp
  linereader.cpp
  linereader.h
  map.cpp
  map.h
  masterserver.cpp
  memheap.cpp
  memheap.h
  message.h
  netban.cpp
  netban.h
  network.cpp
  network.h
  network_client.cpp
  network_conn.cpp
  network_console.cpp
  network_console_conn.cpp
  network_server.cpp
  packer.cpp
  packer.h
  protocol.h
  protocol_ex.cpp
  protocol_ex.h
  protocol_ex_msgs.h
  ringbuffer.cpp
  ringbuffer.h
  serverbrowser.cpp
  snapshot.cpp
  snapshot.h
  storage.cpp
  teehistorian_ex.cpp
  teehistorian_ex.h
  teehistorian_ex_chunks.h
  uuid_manager.cpp
  uuid_manager.h
  video.cpp
  video.h
  websockets.cpp
  websockets.h
)
set_src(GAME_SHARED GLOB src/game
  bezier.cpp
  bezier.h
  collision.cpp
  collision.h
  ddracecommands.h
  extrainfo.cpp
  extrainfo.h
  gamecore.cpp
  gamecore.h
  layers.cpp
  layers.h
  localization.cpp
  localization.h
  mapbugs.cpp
  mapbugs.h
  mapbugs_list.h
  mapitems.cpp
  mapitems.h
  mapitems_ex.cpp
  mapitems_ex.h
  mapitems_ex_types.h
  prng.cpp
  prng.h
  teamscore.cpp
  teamscore.h
  tuning.h
  variables.h
  version.h
  voting.h
)
# A bit hacky, but these are needed to register all the UUIDs, even for stuff
# that doesn't link game.
set(ENGINE_UUID_SHARED
  src/game/generated/protocolglue.h
  src/game/generated/protocol7.cpp
  src/game/generated/protocol7.h
  src/game/generated/protocol.cpp
  src/game/generated/protocol.h
  src/game/mapitems_ex.cpp
  src/game/mapitems_ex.h
  src/game/mapitems_ex_types.h
)
foreach(s ${GAME_SHARED})
  if(s MATCHES "mapitems_(ex.cpp|ex.h|ex_types.h)$")
    list(REMOVE_ITEM GAME_SHARED ${s})
  endif()
endforeach()
list(REMOVE_ITEM GAME_SHARED ${ENGINE_UUID_SHARED})
set(GAME_GENERATED_SHARED
  src/game/generated/git_revision.cpp
  src/game/generated/protocol.h
  src/game/generated/protocol7.h
  src/game/generated/protocolglue.h
)

set(DEPS ${DEP_JSON} ${DEP_MD5} ${ZLIB_DEP})

# Libraries
set(LIBS
  ${CRYPTO_LIBRARIES}
  ${WEBSOCKETS_LIBRARIES}
  ${ZLIB_LIBRARIES}
  ${PLATFORM_LIBS}
  # Add pthreads (on non-Windows) at the end, so that other libraries can depend
  # on it.
  ${CMAKE_THREAD_LIBS_INIT}
)

# Targets
add_library(engine-shared EXCLUDE_FROM_ALL OBJECT ${ENGINE_INTERFACE} ${ENGINE_SHARED} ${ENGINE_UUID_SHARED} ${BASE})
add_library(game-shared EXCLUDE_FROM_ALL OBJECT ${GAME_SHARED} ${GAME_GENERATED_SHARED})
list(APPEND TARGETS_OWN engine-shared game-shared)


########################################################################
# CLIENT
########################################################################

if(CLIENT)
  # Sources
  set_src(STEAMAPI_SRC GLOB_RECURSE src/steam
    steam_api_flat.h
    steam_api_stub.cpp
  )

  if(STEAM OR TARGET_OS STREQUAL "windows" OR TARGET_OS STREQUAL "mac")
    set(STEAMAPI_KIND SHARED)
  else()
    set(STEAMAPI_KIND STATIC)
  endif()
  set(TARGET_STEAMAPI steam_api)
  add_library(${TARGET_STEAMAPI} ${STEAMAPI_KIND} ${STEAMAPI_SRC})
  list(APPEND TARGETS_OWN ${TARGET_STEAMAPI})

  set_src(ENGINE_CLIENT GLOB src/engine/client
    backend_sdl.cpp
    backend_sdl.h
    blocklist_driver.cpp
    blocklist_driver.h
    client.cpp
    client.h
    demoedit.cpp
    demoedit.h
    friends.cpp
    friends.h
    ghost.cpp
    ghost.h
    graphics_threaded.cpp
    graphics_threaded.h
    http.cpp
    http.h
    input.cpp
    input.h
    keynames.h
    notifications.cpp
    notifications.h
    opengl_sl.cpp
    opengl_sl.h
    opengl_sl_program.cpp
    opengl_sl_program.h
    serverbrowser.cpp
    serverbrowser.h
    sound.cpp
    sound.h
    steam.cpp
    text.cpp
    updater.cpp
    updater.h
    video.cpp
    video.h
  )
  set_src(GAME_CLIENT GLOB_RECURSE src/game/client
    animstate.cpp
    animstate.h
    component.h
    components/background.cpp
    components/background.h
    components/binds.cpp
    components/binds.h
    components/broadcast.cpp
    components/broadcast.h
    components/camera.cpp
    components/camera.h
    components/chat.cpp
    components/chat.h
    components/console.cpp
    components/console.h
    components/controls.cpp
    components/controls.h
    components/countryflags.cpp
    components/countryflags.h
    components/damageind.cpp
    components/damageind.h
    components/debughud.cpp
    components/debughud.h
    components/effects.cpp
    components/effects.h
    components/emoticon.cpp
    components/emoticon.h
    components/flow.cpp
    components/flow.h
    components/ghost.cpp
    components/ghost.h
    components/hud.cpp
    components/hud.h
    components/items.cpp
    components/items.h
    components/killmessages.cpp
    components/killmessages.h
    components/mapimages.cpp
    components/mapimages.h
    components/maplayers.cpp
    components/maplayers.h
    components/mapsounds.cpp
    components/mapsounds.h
    components/menu_background.cpp
    components/menu_background.h
    components/menus.cpp
    components/menus.h
    components/menus_browser.cpp
    components/menus_demo.cpp
    components/menus_ingame.cpp
    components/menus_settings.cpp
    components/menus_settings_assets.cpp
    components/menus_start.cpp
    components/motd.cpp
    components/motd.h
    components/nameplates.cpp
    components/nameplates.h
    components/particles.cpp
    components/particles.h
    components/players.cpp
    components/players.h
    components/race_demo.cpp
    components/race_demo.h
    components/scoreboard.cpp
    components/scoreboard.h
    components/skins.cpp
    components/skins.h
    components/sounds.cpp
    components/sounds.h
    components/spectator.cpp
    components/spectator.h
    components/statboard.cpp
    components/statboard.h
    components/voting.cpp
    components/voting.h
    gameclient.cpp
    gameclient.h
    lineinput.cpp
    lineinput.h
    prediction/entities/character.cpp
    prediction/entities/character.h
    prediction/entities/laser.cpp
    prediction/entities/laser.h
    prediction/entities/pickup.cpp
    prediction/entities/pickup.h
    prediction/entities/projectile.cpp
    prediction/entities/projectile.h
    prediction/entity.cpp
    prediction/entity.h
    prediction/gameworld.cpp
    prediction/gameworld.h
    race.cpp
    race.h
    render.cpp
    render.h
    render_map.cpp
    skin.h
    ui.cpp
    ui.h
  )
  set_src(GAME_EDITOR GLOB src/game/editor
    auto_map.cpp
    auto_map.h
    editor.cpp
    editor.h
    explanations.cpp
    io.cpp
    layer_game.cpp
    layer_quads.cpp
    layer_sounds.cpp
    layer_tiles.cpp
    popups.cpp
  )
  set(GAME_GENERATED_CLIENT
    src/game/generated/client_data.cpp
    src/game/generated/client_data.h
    src/game/generated/client_data7.cpp
    src/game/generated/client_data7.h
  )
  set(CLIENT_SRC ${ENGINE_CLIENT} ${PLATFORM_CLIENT} ${GAME_CLIENT} ${GAME_EDITOR} ${GAME_GENERATED_CLIENT})

  set(DEPS_CLIENT ${DEPS} ${GLEW_DEP} ${PNGLITE_DEP} ${WAVPACK_DEP})

  # Libraries
  set(LIBS_CLIENT
    ${LIBS}
    ${CURL_LIBRARIES}
    ${FREETYPE_LIBRARIES}
    ${GLEW_LIBRARIES}
    ${PNGLITE_LIBRARIES}
    ${SDL2_LIBRARIES}
    ${WAVPACK_LIBRARIES}
    ${FFMPEG_LIBRARIES}

    # Order of these three is important.
    ${OPUSFILE_LIBRARIES}
    ${OPUS_LIBRARIES}
    ${OGG_LIBRARIES}

    ${TARGET_STEAMAPI}

    ${PLATFORM_CLIENT_LIBS}

    # Add pthreads (on non-Windows) at the end, so that other libraries can depend
    # on it.
    ${CMAKE_THREAD_LIBS_INIT}
  )

  if(TARGET_OS STREQUAL "windows")
    set(CLIENT_ICON "other/icons/DDNet.rc")
    if(NOT MINGW)
      set(CLIENT_MANIFEST "other/manifest/DDNet.manifest")
    else()
      set(CLIENT_MANIFEST "other/manifest/DDNet.rc")
      set_target_properties(${TARGET_STEAMAPI} PROPERTIES PREFIX "")
    endif()
  else()
    set(CLIENT_ICON)
    set(CLIENT_MANIFEST)
  endif()

  # Target
  set(TARGET_CLIENT ${CLIENT_EXECUTABLE})
  add_executable(${TARGET_CLIENT}
    ${CLIENT_SRC}
    ${CLIENT_ICON}
    ${CLIENT_MANIFEST}
    ${DEPS_CLIENT}
    $<TARGET_OBJECTS:engine-shared>
    $<TARGET_OBJECTS:game-shared>
  )
  target_link_libraries(${TARGET_CLIENT} ${LIBS_CLIENT})

  target_include_directories(${TARGET_CLIENT} PRIVATE
    ${CURL_INCLUDE_DIRS}
    ${FREETYPE_INCLUDE_DIRS}
    ${GLEW_INCLUDE_DIRS}
    ${OGG_INCLUDE_DIRS}
    ${OPUSFILE_INCLUDE_DIRS}
    ${OPUS_INCLUDE_DIRS}
    ${PNGLITE_INCLUDE_DIRS}
    ${SDL2_INCLUDE_DIRS}
    ${WAVPACK_INCLUDE_DIRS}
    ${FFMPEG_INCLUDE_DIRS}

    ${PLATFORM_CLIENT_INCLUDE_DIRS}
  )

  if(STEAMAPI_KIND STREQUAL SHARED)
    set_own_rpath(${TARGET_CLIENT})
  endif()

  set(PARAMS "${WAVPACK_INCLUDE_DIRS};${WAVPACK_INCLUDE_DIRS}")
  if(NOT(WAVPACK_OPEN_FILE_INPUT_EX_PARAMS STREQUAL PARAMS))
    unset(WAVPACK_OPEN_FILE_INPUT_EX CACHE)
  endif()
  set(WAVPACK_OPEN_FILE_INPUT_EX_PARAMS "${PARAMS}" CACHE INTERNAL "")

  set(CMAKE_REQUIRED_INCLUDES ${ORIGINAL_CMAKE_REQUIRED_INCLUDES} ${WAVPACK_INCLUDE_DIRS})
  set(CMAKE_REQUIRED_LIBRARIES ${ORIGINAL_CMAKE_REQUIRED_LIBRARIES} ${WAVPACK_LIBRARIES})
  check_symbol_exists(WavpackOpenFileInputEx wavpack.h WAVPACK_OPEN_FILE_INPUT_EX)
  check_symbol_exists(WavpackCloseFile wavpack.h WAVPACK_CLOSE_FILE)
  set(CMAKE_REQUIRED_INCLUDES ${ORIGINAL_CMAKE_REQUIRED_INCLUDES})
  set(CMAKE_REQUIRED_LIBRARIES ${ORIGINAL_CMAKE_REQUIRED_LIBRARIES})

  if(WAVPACK_OPEN_FILE_INPUT_EX)
    target_compile_definitions(${TARGET_CLIENT} PRIVATE CONF_WAVPACK_OPEN_FILE_INPUT_EX)
  endif()

  if(WAVPACK_CLOSE_FILE)
	  target_compile_definitions(${TARGET_CLIENT} PRIVATE CONF_WAVPACK_CLOSE_FILE)
  endif()

  list(APPEND TARGETS_OWN ${TARGET_CLIENT})
  list(APPEND TARGETS_LINK ${TARGET_CLIENT})
endif()


########################################################################
# SERVER
########################################################################

# Sources
set_src(ANTIBOT_SRC GLOB src/antibot
  antibot_data.h
  antibot_interface.h
  antibot_null.cpp
)

set_src(ENGINE_SERVER GLOB_RECURSE src/engine/server
  antibot.cpp
  antibot.h
  authmanager.cpp
  authmanager.h
  databases/connection.cpp
  databases/connection.h
  databases/connection_pool.cpp
  databases/connection_pool.h
  databases/mysql.cpp
  databases/mysql.h
  databases/sqlite.cpp
  databases/sqlite.h
  name_ban.cpp
  name_ban.h
  register.cpp
  register.h
  server.cpp
  server.h
  sql_string_helpers.cpp
  sql_string_helpers.h
  upnp.cpp
  upnp.h
)
set_src(GAME_SERVER GLOB_RECURSE src/game/server
  ddracechat.cpp
  ddracechat.h
  ddracecommands.cpp
  entities/character.cpp
  entities/character.h
  entities/door.cpp
  entities/door.h
  entities/dragger.cpp
  entities/dragger.h
  entities/flag.cpp
  entities/flag.h
  entities/gun.cpp
  entities/gun.h
  entities/laser.cpp
  entities/laser.h
  entities/light.cpp
  entities/light.h
  entities/pickup.cpp
  entities/pickup.h
  entities/plasma.cpp
  entities/plasma.h
  entities/projectile.cpp
  entities/projectile.h
  entity.cpp
  entity.h
  eventhandler.cpp
  eventhandler.h
  gamecontext.cpp
  gamecontext.h
  gamecontroller.cpp
  gamecontroller.h
  gamemodes/DDRace.cpp
  gamemodes/DDRace.h
  gamemodes/gamemode.h
  gameworld.cpp
  gameworld.h
  player.cpp
  player.h
  save.cpp
  save.h
  score.cpp
  score.h
  teams.cpp
  teams.h
  teehistorian.cpp
  teehistorian.h
  teeinfo.cpp
  teeinfo.h
)
set(GAME_GENERATED_SERVER
  "src/game/generated/server_data.cpp"
  "src/game/generated/server_data.h"
  "src/game/generated/wordlist.h"
)
set(SERVER_SRC ${ENGINE_SERVER} ${GAME_SERVER} ${GAME_GENERATED_SERVER})
if(TARGET_OS STREQUAL "windows")
  set(SERVER_ICON "other/icons/DDNet-Server.rc")
else()
  set(SERVER_ICON)
endif()

# Antibot
if(ANTIBOT)
  set(TARGET_ANTIBOT antibot)
  add_library(${TARGET_ANTIBOT} SHARED ${ANTIBOT_SRC})
  list(APPEND TARGETS_OWN ${TARGET_ANTIBOT})
endif()

# Libraries
set(LIBS_SERVER
  ${LIBS}
  ${MYSQL_LIBRARIES}
  ${SQLite3_LIBRARIES}
  ${TARGET_ANTIBOT}
  ${MINIUPNPC_LIBRARIES}
  # Add pthreads (on non-Windows) at the end, so that other libraries can depend
  # on it.
  ${CMAKE_THREAD_LIBS_INIT}
)

# Target
set(TARGET_SERVER ${SERVER_EXECUTABLE})
add_executable(${TARGET_SERVER}
  ${DEPS}
  ${SERVER_SRC}
  ${SERVER_ICON}
  $<TARGET_OBJECTS:engine-shared>
  $<TARGET_OBJECTS:game-shared>
)
target_link_libraries(${TARGET_SERVER} ${LIBS_SERVER})
list(APPEND TARGETS_OWN ${TARGET_SERVER})
list(APPEND TARGETS_LINK ${TARGET_SERVER})

if(TARGET_OS AND TARGET_OS STREQUAL "mac")
  set(SERVER_LAUNCHER_SRC src/osxlaunch/server.mm)
  set(TARGET_SERVER_LAUNCHER ${TARGET_SERVER}-Launcher)
  add_executable(${TARGET_SERVER_LAUNCHER} ${SERVER_LAUNCHER_SRC})
  target_link_libraries(${TARGET_SERVER_LAUNCHER} ${COCOA})
  list(APPEND TARGETS_OWN ${TARGET_SERVER_LAUNCHER})
  list(APPEND TARGETS_LINK ${TARGET_SERVER_LAUNCHER})
endif()

########################################################################
# VARIOUS TARGETS
########################################################################

set_src(MASTERSRV_SRC GLOB src/mastersrv mastersrv.cpp mastersrv.h)
set_src(TWPING_SRC GLOB src/twping twping.cpp)

set(TARGET_MASTERSRV mastersrv)
set(TARGET_TWPING twping)

add_executable(${TARGET_MASTERSRV} EXCLUDE_FROM_ALL ${MASTERSRV_SRC} $<TARGET_OBJECTS:engine-shared> ${DEPS})
add_executable(${TARGET_TWPING} EXCLUDE_FROM_ALL ${TWPING_SRC} $<TARGET_OBJECTS:engine-shared> ${DEPS})

target_link_libraries(${TARGET_MASTERSRV} ${LIBS})
target_link_libraries(${TARGET_TWPING} ${LIBS})

list(APPEND TARGETS_OWN ${TARGET_MASTERSRV} ${TARGET_TWPING})
list(APPEND TARGETS_LINK ${TARGET_MASTERSRV} ${TARGET_TWPING})

set(TARGETS_TOOLS)
set_src(TOOLS GLOB src/tools
  config_common.h
  config_retrieve.cpp
  config_store.cpp
  crapnet.cpp
  dilate.cpp
  dummy_map.cpp
  fake_server.cpp
  map_convert_07.cpp
  map_diff.cpp
  map_extract.cpp
  map_optimize.cpp
  map_replace_image.cpp
  map_resave.cpp
  packetgen.cpp
  unicode_confusables.cpp
  uuid.cpp
)
foreach(ABS_T ${TOOLS})
  file(RELATIVE_PATH T "${PROJECT_SOURCE_DIR}/src/tools/" ${ABS_T})
  if(T MATCHES "\\.cpp$")
    string(REGEX REPLACE "\\.cpp$" "" TOOL "${T}")
    set(TOOL_DEPS ${DEPS})
    set(TOOL_LIBS ${LIBS})
    if(TOOL MATCHES "^(dilate|map_convert_07|map_optimize|map_extract|map_replace_image)$")
      list(APPEND TOOL_DEPS ${PNGLITE_DEP})
      list(APPEND TOOL_LIBS ${PNGLITE_LIBRARIES})
      list(APPEND TOOL_INCLUDE_DIRS ${PNGLITE_INCLUDE_DIRS})
    endif()
    if(TOOL MATCHES "^config_")
      list(APPEND EXTRA_TOOL_SRC "src/tools/config_common.h")
    endif()
    set(EXCLUDE_FROM_ALL)
    if(DEV)
      set(EXCLUDE_FROM_ALL EXCLUDE_FROM_ALL)
    endif()
    add_executable(${TOOL} ${EXCLUDE_FROM_ALL}
      ${TOOL_DEPS}
      src/tools/${TOOL}.cpp
      ${EXTRA_TOOL_SRC}
      $<TARGET_OBJECTS:engine-shared>
    )
    target_include_directories(${TOOL} PRIVATE ${TOOL_INCLUDE_DIRS})
    target_link_libraries(${TOOL} ${TOOL_LIBS})
    list(APPEND TARGETS_TOOLS ${TOOL})
  endif()
endforeach()

list(APPEND TARGETS_OWN ${TARGETS_TOOLS})
list(APPEND TARGETS_LINK ${TARGETS_TOOLS})

add_custom_target(tools DEPENDS ${TARGETS_TOOLS})
add_custom_target(everything DEPENDS ${TARGETS_OWN})

########################################################################
# TESTS
########################################################################

if(GTEST_FOUND OR DOWNLOAD_GTEST)
  set_src(TESTS GLOB src/test
    aio.cpp
    bezier.cpp
    blocklist_driver.cpp
    color.cpp
    csv.cpp
    datafile.cpp
    fs.cpp
    git_revision.cpp
    hash.cpp
    jobs.cpp
    json.cpp
    mapbugs.cpp
    name_ban.cpp
    packer.cpp
    prng.cpp
    str.cpp
    strip_path_and_extension.cpp
    teehistorian.cpp
    test.cpp
    test.h
    thread.cpp
    unix.cpp
  )
  set(TESTS_EXTRA
    src/engine/client/blocklist_driver.cpp
    src/engine/client/blocklist_driver.h
    src/engine/server/name_ban.cpp
    src/engine/server/name_ban.h
    src/game/server/teehistorian.cpp
    src/game/server/teehistorian.h
  )

  set(TARGET_TESTRUNNER testrunner)
  add_executable(${TARGET_TESTRUNNER} EXCLUDE_FROM_ALL
    ${TESTS}
    ${TESTS_EXTRA}
    $<TARGET_OBJECTS:engine-shared>
    $<TARGET_OBJECTS:game-shared>
    ${DEPS}
  )
  target_link_libraries(${TARGET_TESTRUNNER} ${LIBS} ${GTEST_LIBRARIES})
  target_include_directories(${TARGET_TESTRUNNER} PRIVATE ${GTEST_INCLUDE_DIRS})

  list(APPEND TARGETS_OWN ${TARGET_TESTRUNNER})
  list(APPEND TARGETS_LINK ${TARGET_TESTRUNNER})

  add_custom_target(run_tests
    COMMAND $<TARGET_FILE:${TARGET_TESTRUNNER}> ${TESTRUNNER_ARGS}
    COMMENT Running tests
    DEPENDS ${TARGET_TESTRUNNER}
    USES_TERMINAL
  )
endif()

########################################################################
# INSTALLATION
########################################################################

function(escape_regex VAR STRING)
  string(REGEX REPLACE "([][^$.+*?|()\\\\])" "\\\\\\1" ESCAPED "${STRING}")
  set(${VAR} ${ESCAPED} PARENT_SCOPE)
endfunction()

function(escape_backslashes VAR STRING)
  string(REGEX REPLACE "\\\\" "\\\\\\\\" ESCAPED "${STRING}")
  set(${VAR} ${ESCAPED} PARENT_SCOPE)
endfunction()

function(max_length VAR)
  set(MAX_LENGTH 0)
  foreach(str ${ARGN})
    string(LENGTH ${str} LENGTH)
    if(LENGTH GREATER MAX_LENGTH)
      set(MAX_LENGTH ${LENGTH})
    endif()
  endforeach()
  set(${VAR} ${MAX_LENGTH} PARENT_SCOPE)
endfunction()

# Tries to generate a list of regex that matches everything except the given
# parameters.
function(regex_inverted VAR)
  max_length(MAX_LENGTH ${ARGN})
  math(EXPR UPPER_BOUND "${MAX_LENGTH}-1")

  set(REMAINING ${ARGN})
  set(RESULT)

  foreach(i RANGE ${UPPER_BOUND})
    set(TEMP ${REMAINING})
    set(REMAINING)
    foreach(str ${TEMP})
      string(LENGTH ${str} LENGTH)
      if(i LESS LENGTH)
        list(APPEND REMAINING ${str})
      endif()
    endforeach()

    set(ADDITIONAL)
    foreach(outer ${REMAINING})
      string(SUBSTRING ${outer} 0 ${i} OUTER_PREFIX)
      set(CHARS "")
      foreach(inner ${REMAINING})
        string(SUBSTRING ${inner} 0 ${i} INNER_PREFIX)
        if(OUTER_PREFIX STREQUAL INNER_PREFIX)
          string(SUBSTRING ${inner} ${i} 1 INNER_NEXT)
          set(CHARS "${CHARS}${INNER_NEXT}")
        endif()
      endforeach()
      escape_regex(OUTER_PREFIX_ESCAPED "${OUTER_PREFIX}")

      list(APPEND ADDITIONAL "${OUTER_PREFIX_ESCAPED}([^${CHARS}]|$)")
    endforeach()
    list(REMOVE_DUPLICATES ADDITIONAL)
    list(APPEND RESULT ${ADDITIONAL})
  endforeach()
  set(${VAR} ${RESULT} PARENT_SCOPE)
endfunction()

set(CPACK_PACKAGE_NAME ${PROJECT_NAME})
set(CPACK_GENERATOR TGZ TXZ)
set(CPACK_ARCHIVE_COMPONENT_INSTALL ON)
set(CPACK_STRIP_FILES TRUE)
set(CPACK_COMPONENTS_ALL portable)
set(CPACK_SOURCE_GENERATOR ZIP TGZ TBZ2 TXZ)
set(CPACK_PACKAGE_VERSION_MAJOR ${PROJECT_VERSION_MAJOR})
set(CPACK_PACKAGE_VERSION_MINOR ${PROJECT_VERSION_MINOR})
set(CPACK_PACKAGE_VERSION_PATCH ${PROJECT_VERSION_PATCH})
set(CPACK_PACKAGE_VERSION ${VERSION})
set(CPACK_SYSTEM_NAME ${CMAKE_SYSTEM_NAME})

if(TARGET_OS AND TARGET_BITS)
  if(TARGET_OS STREQUAL "windows")
    set(CPACK_SYSTEM_NAME "win${TARGET_BITS}")
    set(CPACK_GENERATOR ZIP)
  elseif(TARGET_OS STREQUAL "linux")
    # Let compiler tell its arch
    # Both gcc and clang support -dumpmachine
    execute_process(
      COMMAND ${CMAKE_C_COMPILER} -dumpmachine
      OUTPUT_VARIABLE ARCHITECTURE_TUPLE
      OUTPUT_STRIP_TRAILING_WHITESPACE
    )
    if(NOT ARCHITECTURE_TUPLE)
      # If you're really using a weird compiler, then assume Intel here.
      message(WARNING "Your compiler doesn't support -dumpmachine, this is weird")
      if(TARGET_BITS EQUAL 32)
        set(ARCHITECTURE "x86")
      elseif(TARGET_BITS EQUAL 64)
        set(ARCHITECTURE "x86_64")
      endif()
    else()
      string(REGEX MATCH "^[^-]*" ARCHITECTURE "${ARCHITECTURE_TUPLE}")
      if(ARCHITECTURE MATCHES "i.86")
        set(ARCHITECTURE "x86")
      endif()
    endif()
    set(CPACK_SYSTEM_NAME "linux_${ARCHITECTURE}")
  elseif(TARGET_OS STREQUAL "mac")
    set(CPACK_SYSTEM_NAME "osx")
    set(CPACK_GENERATOR DMG)
  endif()
endif()

set(CPACK_PACKAGE_FILE_NAME ${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}-${CPACK_SYSTEM_NAME})
set(CPACK_ARCHIVE_PORTABLE_FILE_NAME ${CPACK_PACKAGE_FILE_NAME})
set(CPACK_SOURCE_PACKAGE_FILE_NAME ${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}-src)
set(CPACK_SOURCE_FILES
  CMakeLists.txt
  README.md
  autoexec_server.cfg
  cmake/
  data/
  datasrc/
  ddnet-libs/
  license.txt
  other/
  scripts/
  src/
  storage.cfg
)
set(CPACK_SOURCE_IGNORE_FILES
  "\\\\.pyc$"
  "/\\\\.git"
  "/__pycache__/"
)

regex_inverted(CPACK_SOURCE_FILES_INVERTED ${CPACK_SOURCE_FILES})
escape_regex(PROJECT_SOURCE_DIR_ESCAPED ${PROJECT_SOURCE_DIR})

foreach(str ${CPACK_SOURCE_FILES_INVERTED})
  escape_backslashes(STR_ESCAPED "${PROJECT_SOURCE_DIR_ESCAPED}/${str}")
  list(APPEND CPACK_SOURCE_IGNORE_FILES "${STR_ESCAPED}")
endforeach()

set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME ${PROJECT_NAME})

set(CPACK_TARGETS
  ${TARGET_CLIENT}
  ${TARGET_SERVER}
  config_retrieve
  config_store
  dilate
  map_convert_07
  map_diff
  map_extract
)
if(STEAMAPI_KIND STREQUAL SHARED)
  list(APPEND CPACK_TARGETS ${TARGET_STEAMAPI})
endif()
set(CPACK_DIRS data)
set(CPACK_FILES
  license.txt
  storage.cfg
  autoexec_server.cfg
  ${COPY_FILES}
)
if(TARGET_OS STREQUAL "windows")
  list(APPEND CPACK_FILES other/config_directory.bat)
endif()

if(NOT DEV)
  include(GNUInstallDirs)
  install(DIRECTORY data DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/ddnet COMPONENT data)
  install(TARGETS ${TARGET_CLIENT} DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT client)
  if(STEAMAPI_KIND STREQUAL SHARED)
    install(TARGETS ${TARGET_STEAMAPI} DESTINATION ${CMAKE_INSTALL_LIBDIR}/ddnet COMPONENT client)
  endif()
  install(TARGETS ${TARGET_SERVER} DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT server)
  if(ANTIBOT)
    install(TARGETS ${TARGET_ANTIBOT} DESTINATION ${CMAKE_INSTALL_LIBDIR}/ddnet COMPONENT server)
  endif()
  install(TARGETS ${TARGETS_TOOLS} DESTINATION ${CMAKE_INSTALL_LIBDIR}/ddnet COMPONENT tools)
  install(FILES other/ddnet.desktop DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/applications COMPONENT client)
  install(FILES other/ddnet.appdata.xml DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/metainfo COMPONENT client)
  foreach(SIZE 16 32 48 128 256 512)
    install(FILES other/icons/DDNet_${SIZE}x${SIZE}x32.png DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/${SIZE}x${SIZE}/apps RENAME ddnet.png COMPONENT client)
  endforeach()
endif()

if(DEV)
  # Don't generate CPack targets.
elseif(CMAKE_VERSION VERSION_LESS 3.6 OR CMAKE_VERSION VERSION_EQUAL 3.6)
  message(WARNING "Cannot create CPack targets, CMake version too old. Use CMake 3.6 or newer.")
else()
  set(EXTRA_ARGS DESTINATION ${CPACK_PACKAGE_FILE_NAME} COMPONENT portable EXCLUDE_FROM_ALL)
  install(TARGETS ${CPACK_TARGETS} ${EXTRA_ARGS})
  install(DIRECTORY ${CPACK_DIRS} ${EXTRA_ARGS})
  install(FILES ${CPACK_FILES} ${EXTRA_ARGS})
endif()

set(PACKAGE_TARGETS)
if(CLIENT AND (DMGTOOLS_FOUND OR HDIUTIL))
  file(MAKE_DIRECTORY bundle/client/)
  file(MAKE_DIRECTORY bundle/server/)
  configure_file(other/bundle/client/Info.plist.in bundle/client/Info.plist)
  configure_file(other/bundle/server/Info.plist.in bundle/server/Info.plist)

  if(HDIUTIL)
    set(DMG_PARAMS --hdiutil ${HDIUTIL})
  elseif(DMGTOOLS_FOUND)
    set(DMG_PARAMS --dmgtools ${DMG} ${HFSPLUS} ${NEWFS_HFS})
  endif()
  set(DMG_TMPDIR pack_${CPACK_PACKAGE_FILE_NAME}_dmg)
  set(DMG_MKDIRS
    ${TARGET_CLIENT}.app
    ${TARGET_CLIENT}.app/Contents
    ${TARGET_CLIENT}.app/Contents/Frameworks
    ${TARGET_CLIENT}.app/Contents/MacOS
    ${TARGET_CLIENT}.app/Contents/Resources
    ${TARGET_SERVER}.app
    ${TARGET_SERVER}.app/Contents
    ${TARGET_SERVER}.app/Contents/MacOS
    ${TARGET_SERVER}.app/Contents/Resources
    ${TARGET_SERVER}.app/Contents/Resources/data
    ${TARGET_SERVER}.app/Contents/Resources/data/mapres
  )
  set(DMG_MKDIR_COMMANDS)
  foreach(dir ${DMG_MKDIRS})
    list(APPEND DMG_MKDIR_COMMANDS COMMAND ${CMAKE_COMMAND} -E make_directory ${DMG_TMPDIR}/${dir})
  endforeach()
  add_custom_command(OUTPUT ${CPACK_PACKAGE_FILE_NAME}.dmg
    COMMAND ${CMAKE_COMMAND} -E remove_directory ${DMG_TMPDIR}
    ${DMG_MKDIR_COMMANDS}

    # CLIENT
    COMMAND ${CMAKE_COMMAND} -E copy_directory ${PROJECT_SOURCE_DIR}/data ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/Resources/data
    COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/other/icons/${TARGET_CLIENT}.icns ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/Resources/
    COMMAND ${CMAKE_COMMAND} -E copy bundle/client/Info.plist ${PROJECT_SOURCE_DIR}/other/bundle/client/PkgInfo ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/
    COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:${TARGET_CLIENT}> ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/MacOS/
    COMMAND ${CMAKE_COMMAND} -E copy_directory ${PROJECT_SOURCE_DIR}/ddnet-libs/sdl/mac/lib64/SDL2.framework ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/Frameworks/SDL2.framework
    COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/ddnet-libs/freetype/mac/lib64/libfreetype.6.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/Frameworks/
    COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/ddnet-libs/ffmpeg/mac/lib64/libavcodec.58.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/Frameworks/
    COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/ddnet-libs/ffmpeg/mac/lib64/libavformat.58.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/Frameworks/
    COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/ddnet-libs/ffmpeg/mac/lib64/libavutil.56.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/Frameworks/
    COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/ddnet-libs/ffmpeg/mac/lib64/libswresample.3.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/Frameworks/
    COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/ddnet-libs/ffmpeg/mac/lib64/libswscale.5.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/Frameworks/
    COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/ddnet-libs/websockets/mac/lib64/libwebsockets.17.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/Frameworks/
    COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_BINARY_DIR}/libsteam_api.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/Frameworks/
    COMMAND ${PYTHON_EXECUTABLE} ${PROJECT_SOURCE_DIR}/scripts/darwin_strip_rpath.py ${CMAKE_OTOOL} ${CMAKE_INSTALL_NAME_TOOL} ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/MacOS/${TARGET_CLIENT}
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -add_rpath @loader_path/../Frameworks ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/MacOS/${TARGET_CLIENT}
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -add_rpath @loader_path/../Frameworks ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/Frameworks/libavcodec.58.dylib
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -add_rpath @loader_path/../Frameworks ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/Frameworks/libavformat.58.dylib
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -add_rpath @loader_path/../Frameworks ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/Frameworks/libswscale.5.dylib
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -add_rpath @loader_path/../Frameworks ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/Frameworks/libswresample.3.dylib
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -change /usr/local/lib/libavcodec.58.dylib @rpath/libavcodec.58.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/MacOS/${TARGET_CLIENT}
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -change /usr/local/lib/libavcodec.58.dylib @rpath/libavcodec.58.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/Frameworks/libavformat.58.dylib
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -change /usr/local/lib/libavformat.58.dylib @rpath/libavformat.58.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/MacOS/${TARGET_CLIENT}
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -change /usr/local/lib/libavutil.56.dylib @rpath/libavutil.56.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/MacOS/${TARGET_CLIENT}
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -change /usr/local/lib/libavutil.56.dylib @rpath/libavutil.56.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/Frameworks/libavcodec.58.dylib
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -change /usr/local/lib/libavutil.56.dylib @rpath/libavutil.56.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/Frameworks/libavformat.58.dylib
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -change /usr/local/lib/libavutil.56.dylib @rpath/libavutil.56.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/Frameworks/libswscale.5.dylib
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -change /usr/local/lib/libavutil.56.dylib @rpath/libavutil.56.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/Frameworks/libswresample.3.dylib
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -change /usr/local/lib/libswscale.5.dylib @rpath/libswscale.5.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/MacOS/${TARGET_CLIENT}
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -change /usr/local/lib/libswresample.3.dylib @rpath/libswresample.3.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/MacOS/${TARGET_CLIENT}
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -change /usr/local/lib/libfreetype.6.dylib @rpath/libfreetype.6.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/MacOS/${TARGET_CLIENT}
    # TODO: Cleaner solution than hardcoding paths
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -change /home/deen/isos/ddnet/debian6/mac64/libwebsockets-4.1.1/lib/libwebsockets.17.dylib @rpath/libwebsockets.17.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/MacOS/${TARGET_CLIENT}
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -change ${PROJECT_BINARY_DIR}/libsteam_api.dylib @rpath/libsteam_api.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/MacOS/${TARGET_CLIENT}
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -change ${PROJECT_BINARY_DIR}/libsteam_api.dylib @rpath/libsteam_api.dylib ${DMG_TMPDIR}/${TARGET_CLIENT}.app/Contents/Frameworks/libsteam_api.dylib

    # SERVER
    COMMAND ${CMAKE_COMMAND} -E copy_directory ${PROJECT_SOURCE_DIR}/data/maps ${DMG_TMPDIR}/${TARGET_SERVER}.app/Contents/Resources/data/maps
    COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/other/icons/${TARGET_SERVER}.icns ${DMG_TMPDIR}/${TARGET_SERVER}.app/Contents/Resources/
    COMMAND ${CMAKE_COMMAND} -E copy bundle/server/Info.plist ${PROJECT_SOURCE_DIR}/other/bundle/server/PkgInfo ${DMG_TMPDIR}/${TARGET_SERVER}.app/Contents/
    COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:${TARGET_SERVER}> $<TARGET_FILE:${TARGET_SERVER_LAUNCHER}> ${DMG_TMPDIR}/${TARGET_SERVER}.app/Contents/MacOS/
    COMMAND ${CMAKE_COMMAND} -E make_directory ${DMG_TMPDIR}/${TARGET_SERVER}.app/Contents/Frameworks/
    COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/ddnet-libs/sqlite3/mac/lib64/libsqlite3.0.dylib ${DMG_TMPDIR}/${TARGET_SERVER}.app/Contents/Frameworks/
    COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/ddnet-libs/websockets/mac/lib64/libwebsockets.17.dylib ${DMG_TMPDIR}/${TARGET_SERVER}.app/Contents/Frameworks/
    COMMAND ${PYTHON_EXECUTABLE} ${PROJECT_SOURCE_DIR}/scripts/darwin_strip_rpath.py ${CMAKE_OTOOL} ${CMAKE_INSTALL_NAME_TOOL} ${DMG_TMPDIR}/${TARGET_SERVER}.app/Contents/MacOS/${TARGET_SERVER}
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -add_rpath @loader_path/../Frameworks ${DMG_TMPDIR}/${TARGET_SERVER}.app/Contents/MacOS/${TARGET_SERVER}
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -change /usr/local/lib/libsqlite3.0.dylib @rpath/libsqlite3.0.dylib ${DMG_TMPDIR}/${TARGET_SERVER}.app/Contents/MacOS/${TARGET_SERVER}
    COMMAND ${CMAKE_INSTALL_NAME_TOOL} -change /home/deen/isos/ddnet/debian6/mac64/libwebsockets-4.1.1/lib/libwebsockets.17.dylib @rpath/libwebsockets.17.dylib ${DMG_TMPDIR}/${TARGET_SERVER}.app/Contents/MacOS/${TARGET_SERVER}

    # DMG
    COMMAND ${PYTHON_EXECUTABLE} ${PROJECT_SOURCE_DIR}/scripts/dmg.py create ${DMG_PARAMS} ${CPACK_PACKAGE_FILE_NAME}.dmg ${CPACK_PACKAGE_FILE_NAME} ${DMG_TMPDIR}

    DEPENDS
      ${TARGET_CLIENT}
      ${TARGET_STEAMAPI}
      ${TARGET_SERVER_LAUNCHER}
      ${TARGET_SERVER}
      ${PROJECT_BINARY_DIR}/bundle/client/Info.plist
      ${PROJECT_BINARY_DIR}/bundle/server/Info.plist
      data
      other/bundle/client/PkgInfo
      other/bundle/server/PkgInfo
      other/icons/${TARGET_CLIENT}.icns
      other/icons/${TARGET_SERVER}.icns
      scripts/dmg.py
  )
  add_custom_target(package_dmg DEPENDS ${CPACK_PACKAGE_FILE_NAME}.dmg)
  list(APPEND PACKAGE_TARGETS package_dmg)
endif()

foreach(ext zip tar.gz tar.xz)
  set(TAR_MODE c)
  set(TAR_EXTRA_ARGS)
  string(REPLACE . _ EXT_SLUG ${ext})

  set(TMPDIR pack_${CPACK_PACKAGE_FILE_NAME}_${EXT_SLUG}/${CPACK_PACKAGE_FILE_NAME})

  set(COPY_FILE_COMMANDS)
  set(COPY_DIR_COMMANDS)
  set(COPY_TARGET_COMMANDS)
  set(STRIP_TARGET_COMMANDS)
  foreach(file ${CPACK_FILES})
    list(APPEND COPY_FILE_COMMANDS COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/${file} ${TMPDIR}/)
  endforeach()
  foreach(dir ${CPACK_DIRS})
    list(APPEND COPY_DIR_COMMANDS COMMAND ${CMAKE_COMMAND} -E copy_directory ${PROJECT_SOURCE_DIR}/${dir} ${TMPDIR}/${dir})
  endforeach()
  foreach(target ${CPACK_TARGETS})
    list(APPEND COPY_TARGET_COMMANDS COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:${target}> ${TMPDIR}/)
    list(APPEND STRIP_TARGET_COMMANDS COMMAND strip -s ${TMPDIR}/$<TARGET_FILE_NAME:${target}>)
  endforeach()

  if(ext STREQUAL zip)
    set(TAR_EXTRA_ARGS --format=zip)
  elseif(ext STREQUAL tar.gz)
    set(TAR_MODE cz)
  elseif(ext STREQUAL tar.xz)
    set(TAR_MODE cJ)
  endif()
  add_custom_command(OUTPUT ${CPACK_PACKAGE_FILE_NAME}.${ext}
    COMMAND ${CMAKE_COMMAND} -E remove_directory ${TMPDIR}
    COMMAND ${CMAKE_COMMAND} -E make_directory ${TMPDIR}
    ${COPY_FILE_COMMANDS}
    ${COPY_DIR_COMMANDS}
    ${COPY_TARGET_COMMANDS}
    ${STRIP_TARGET_COMMANDS}
    COMMAND ${CMAKE_COMMAND} -E chdir pack_${CPACK_PACKAGE_FILE_NAME}_${EXT_SLUG} ${CMAKE_COMMAND} -E tar ${TAR_MODE} ../${CPACK_PACKAGE_FILE_NAME}.${ext} ${TAR_EXTRA_ARGS} -- ${CPACK_PACKAGE_FILE_NAME}/
    DEPENDS ${CPACK_TARGETS}
  )
  add_custom_target(package_${EXT_SLUG} DEPENDS ${CPACK_PACKAGE_FILE_NAME}.${ext})
  list(APPEND PACKAGE_TARGETS package_${EXT_SLUG})
endforeach()

set(PACKAGE_DEFAULT tar_xz)
if(TARGET_OS STREQUAL "windows")
  set(PACKAGE_DEFAULT zip)
elseif(TARGET_OS STREQUAL "mac")
  set(PACKAGE_DEFAULT dmg)
endif()
add_custom_target(package_default DEPENDS package_${PACKAGE_DEFAULT})

add_custom_target(package_all DEPENDS ${PACKAGE_TARGETS})

# Unset these variables, they might do something in the future of CPack.
unset(CPACK_SOURCE_FILES)
unset(CPACK_SOURCE_FILES_INVERTED)
unset(CPACK_TARGETS)
unset(CPACK_DIRS)
unset(CPACK_FILES)

include(CPack)

########################################################################
# COMPILER-SPECIFICS
########################################################################

# In the future (CMake 3.8.0+), use source_group(TREE ...)
macro(source_group_tree dir)
  file(GLOB ents RELATIVE ${PROJECT_SOURCE_DIR}/${dir} ${PROJECT_SOURCE_DIR}/${dir}/*)
  foreach(ent ${ents})
    if(IS_DIRECTORY ${PROJECT_SOURCE_DIR}/${dir}/${ent})
      source_group_tree(${dir}/${ent})
    else()
      string(REPLACE "/" "\\" group ${dir})
      source_group(${group} FILES ${PROJECT_SOURCE_DIR}/${dir}/${ent})
    endif()
  endforeach()
endmacro()
source_group_tree(src)

if(ANTIBOT)
  # Allow the antibot library to use functions from the server binary.
  add_c_compiler_flag_if_supported(OUR_FLAGS_LINK -rdynamic)
  set_own_rpath(${TARGET_SERVER})
endif()

set(TARGETS ${TARGETS_OWN} ${TARGETS_DEP})

foreach(target ${TARGETS})
  if(MSVC)
    target_compile_options(${target} PRIVATE $<$<NOT:${DBG}>:/MT> $<${DBG}:/MTd>) # Use static CRT
    target_compile_options(${target} PRIVATE /MP) # Use multiple cores
    target_compile_options(${target} PRIVATE /EHsc) # Only catch C++ exceptions with catch.
    target_compile_options(${target} PRIVATE /GS) # Protect the stack pointer.
    target_compile_options(${target} PRIVATE /wd4996) # Use of non-_s functions.
  endif()
  if(OUR_FLAGS_LINK)
    target_link_libraries(${target} ${OUR_FLAGS_LINK})
  endif()
  if(OUR_FLAGS)
    target_compile_options(${target} PRIVATE ${OUR_FLAGS})
  endif()
  if(DEFINE_FORTIFY_SOURCE)
    if(MINGW)
      target_compile_definitions(${target} PRIVATE $<$<NOT:$<CONFIG:Debug>>:_FORTIFY_SOURCE=0>) # Currently broken in MinGW, see https://sourceforge.net/p/mingw-w64/discussion/723798/thread/b9d24f041f/
    else()
      target_compile_definitions(${target} PRIVATE $<$<NOT:$<CONFIG:Debug>>:_FORTIFY_SOURCE=2>) # Detect some buffer overflows.
    endif()
  endif()
endforeach()

foreach(target ${TARGETS_LINK})
  if(MSVC)
    set_property(TARGET ${target} APPEND PROPERTY LINK_FLAGS /SAFESEH:NO) # Disable SafeSEH because the shipped libraries don't support it (would cause error LNK2026 otherwise).
  endif()
  if(TARGET_OS STREQUAL "mac")
    target_link_libraries(${target} -stdlib=libc++)
  endif()
  if((MINGW OR TARGET_OS STREQUAL "linux") AND PREFER_BUNDLED_LIBS)
    # Statically link the standard libraries with on MinGW/Linux so we don't
    # have to ship them as DLLs.
    target_link_libraries(${target} -static-libgcc)
    target_link_libraries(${target} -static-libstdc++)
  endif()
endforeach()

foreach(target ${TARGETS_OWN})
  if((CMAKE_VERSION VERSION_GREATER 3.1 OR CMAKE_VERSION VERSION_EQUAL 3.1) AND NOT TARGET_OS STREQUAL "mac")
    set_property(TARGET ${target} PROPERTY CXX_STANDARD 11)
    set_property(TARGET ${target} PROPERTY CXX_STANDARD_REQUIRED ON)
  endif()

  if(MSVC)
    target_compile_options(${target} PRIVATE /wd4244) # Possible loss of data (float -> int, int -> float, etc.).
    target_compile_options(${target} PRIVATE /wd4267) # Possible loss of data (size_t - int on win64).
    target_compile_options(${target} PRIVATE /wd4800) # Implicit conversion of int to bool.
  endif()
  if(OUR_FLAGS_OWN)
    target_compile_options(${target} PRIVATE ${OUR_FLAGS_OWN})
  endif()
  target_include_directories(${target} PRIVATE ${PROJECT_BINARY_DIR}/src)
  target_include_directories(${target} PRIVATE src)
  target_compile_definitions(${target} PRIVATE $<$<CONFIG:Debug>:CONF_DEBUG>)
  target_include_directories(${target} PRIVATE ${SQLite3_INCLUDE_DIRS} ${ZLIB_INCLUDE_DIRS})
  target_compile_definitions(${target} PRIVATE GLEW_STATIC)
  if(CRYPTO_FOUND)
    target_compile_definitions(${target} PRIVATE CONF_OPENSSL)
    target_include_directories(${target} PRIVATE ${CRYPTO_INCLUDE_DIRS})
  endif()
  if(WEBSOCKETS)
    target_compile_definitions(${target} PRIVATE CONF_WEBSOCKETS)
    target_include_directories(${target} PRIVATE ${WEBSOCKETS_INCLUDE_DIRS})
  endif()
  if(UPNP)
    target_compile_definitions(${target} PRIVATE CONF_UPNP)
    target_include_directories(${target} PRIVATE ${MINIUPNPC_INCLUDE_DIRS})
  endif()
  if(VIDEORECORDER)
    target_compile_definitions(${target} PRIVATE CONF_VIDEORECORDER)
  endif()
  if(ANTIBOT)
    target_compile_definitions(${target} PRIVATE CONF_ANTIBOT)
  endif()
  if(MYSQL)
    target_compile_definitions(${target} PRIVATE CONF_SQL)
    target_include_directories(${target} PRIVATE ${MYSQL_INCLUDE_DIRS})
  endif()
  if(AUTOUPDATE AND NOT STEAM)
    target_compile_definitions(${target} PRIVATE CONF_AUTOUPDATE)
  endif()
  if(INFORM_UPDATE AND NOT STEAM)
    target_compile_definitions(${target} PRIVATE CONF_INFORM_UPDATE)
  endif()
  if(STEAM)
    target_compile_definitions(${target} PRIVATE PLATFORM_SUFFIX="-steam")
  endif()
  if(VERSION)
    target_compile_definitions(${target} PRIVATE GAME_RELEASE_VERSION="${VERSION}")
  endif()
endforeach()

foreach(target ${TARGETS_DEP})
  if(MSVC)
    target_compile_options(${target} PRIVATE /W0)
  endif()
  if(OUR_FLAGS_DEP)
    target_compile_options(${target} PRIVATE ${OUR_FLAGS_DEP})
  endif()
endforeach()