cmake_minimum_required(VERSION 3.0.2 FATAL_ERROR)

project(TDLib VERSION 1.1.5 LANGUAGES CXX C)

# Prevent in-source build
get_filename_component(TD_REAL_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}" REALPATH)
get_filename_component(TD_REAL_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}" REALPATH)

if (TD_REAL_BINARY_DIR STREQUAL TD_REAL_SOURCE_DIR)
  message("  Out-of-source build should be used to build TDLib.")
  message("  You need to remove the files already created by CMake and")
  message("  rerun CMake from a new directory:")
  message("  rm -rf CMakeFiles CMakeCache.txt")
  message("  mkdir build")
  message("  cd build")
  message("  cmake ..")
  message(FATAL_ERROR "In-source build failed.")
endif()

option(TD_ENABLE_JNI "Use \"ON\" to enable JNI-compatible TDLib API.")
option(TD_ENABLE_DOTNET "Use \"ON\" to enable generation of C++/CLI or C++/CX TDLib API bindings.")

if (TD_ENABLE_DOTNET AND (CMAKE_VERSION VERSION_LESS "3.1.0"))
  message(FATAL_ERROR "CMake 3.1.0 or higher is required. You are running version ${CMAKE_VERSION}.")
endif()

if (NOT DEFINED CMAKE_MODULE_PATH)
  set(CMAKE_MODULE_PATH "")
endif()
set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMake" "${CMAKE_MODULE_PATH}")

set(CMAKE_EXPORT_COMPILE_COMMANDS 1)

set(CMAKE_POSITION_INDEPENDENT_CODE ON)

enable_testing()

if (POLICY CMP0069)
  option(TD_ENABLE_LTO "Use \"ON\" to enable Link Time Optimization.")

  if (TD_ENABLE_LTO)
    cmake_policy(SET CMP0069 NEW)
    include(CheckIPOSupported)
    check_ipo_supported(RESULT IPO_SUPPORTED)
    if (IPO_SUPPORTED)
      # set_property(DIRECTORY PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE) do not work?
      string(REPLACE ";" " " CXX_FLAGS_IPO "${CMAKE_CXX_COMPILE_OPTIONS_IPO}")
      message(STATUS "Use link time optimizations: ${CXX_FLAGS_IPO}")
      set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${CXX_FLAGS_IPO}")
    endif()
  endif()
endif()

# Configure CCache if available
find_program(CCACHE_FOUND ccache)
#set(CCACHE_FOUND 0)
if (CCACHE_FOUND)
  message(STATUS "Found ccache")
  set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
  set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
else()
  message(STATUS "Could NOT find ccache")
endif()

set(MEMPROF "" CACHE STRING "Use one of \"ON\", \"FAST\" or \"SAFE\" to enable memory profiling. \
Works under Mac OS and Linux when compiled using glibc. \
In FAST mode stack is unwinded only using frame pointers, which may fail. \
In SAFE mode stack is unwinded using backtrace function from execinfo.h, which may be very slow. \
By default both methods are used to achieve maximum speed and accuracy")

if (EMSCRIPTEN)
  # use prebuilt zlib
  set(ZLIB_FOUND 1)
  set(ZLIB_LIBRARIES)
  set(ZLIB_INCLUDE_DIR)

  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Os -s ALLOW_MEMORY_GROWTH=1 -s USE_ZLIB=1 -s MODULARIZE=1 -s EXTRA_EXPORTED_RUNTIME_METHODS=\"['FS']\"")
  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Os -s ALLOW_MEMORY_GROWTH=1 -s USE_ZLIB=1 -s MODULARIZE=1 -s EXTRA_EXPORTED_RUNTIME_METHODS=\"['FS']\"")
  set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -s DEMANGLE_SUPPORT=1 -s ASSERTIONS=1")
  set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -s DEMANGLE_SUPPORT=1 -s ASSERTIONS=1")

  if (ASMJS)
    set(TD_EMSCRIPTEN td_asmjs)
  else()
    set(TD_EMSCRIPTEN td_wasm)
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s WASM=1")
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -s WASM=1")
  endif()
endif()

if (NOT OPENSSL_FOUND)
  find_package(OpenSSL)
endif()
if (OPENSSL_FOUND)
  message(STATUS "Found OpenSSL: ${OPENSSL_INCLUDE_DIR} ${OPENSSL_LIBRARIES}")
endif()

if (${CMAKE_CXX_COMPILER_ID} STREQUAL GNU)
  set(GCC 1)
elseif (${CMAKE_CXX_COMPILER_ID} MATCHES Clang)
  set(CLANG 1)
elseif (${CMAKE_CXX_COMPILER_ID} STREQUAL Intel)
  set(INTEL 1)
elseif (NOT MSVC)
  message(FATAL_ERROR "Compiler isn't supported")
endif()

include(CheckCXXCompilerFlag)

if (GCC OR CLANG OR INTEL)
  if (WIN32 AND INTEL)
    SET(STD14_FLAG /Qstd=c++14)
  else()
    SET(STD14_FLAG -std=c++14)
  endif()
  CHECK_CXX_COMPILER_FLAG(${STD14_FLAG} HAVE_STD14)
  if (NOT HAVE_STD14)
    string(REPLACE "c++14" "c++1y" STD14_FLAG "${STD14_FLAG}")
    CHECK_CXX_COMPILER_FLAG(${STD14_FLAG} HAVE_STD1Y)
    set(HAVE_STD14 ${HAVE_STD1Y})
  endif()
elseif (MSVC)
  set(HAVE_STD14 MSVC_VERSION>=1900)
endif()

if (NOT HAVE_STD14)
  message(FATAL_ERROR "No C++14 support in the compiler. Please upgrade the compiler.")
endif()

set(CMAKE_THREAD_PREFER_PTHREAD ON)
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)

if (THREADS_HAVE_PTHREAD_ARG)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread")
endif()

if (MSVC)
  if (CMAKE_CXX_FLAGS_DEBUG MATCHES "/RTC1")
    string(REPLACE "/RTC1" " " CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
  endif()
  add_definitions(-D_SCL_SECURE_NO_WARNINGS -D_CRT_SECURE_NO_WARNINGS)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /GR- /W4 /wd4100 /wd4127 /wd4324 /wd4505 /wd4702")
elseif (CLANG OR GCC)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${STD14_FLAG} -fno-omit-frame-pointer -fno-exceptions -fno-rtti")
  if (APPLE)
    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-dead_strip,-x,-S")
  else()
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ffunction-sections -fdata-sections")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ffunction-sections -fdata-sections")
    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--gc-sections -Wl,--exclude-libs,ALL")
  endif()

  if (MEMPROF)
    CHECK_CXX_COMPILER_FLAG(-no-pie CXX_NO_PIE_FLAG)
    if (CXX_NO_PIE_FLAG)
      set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -no-pie")
    elseif (APPLE)
      set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-no_pie")
    endif()
  endif()
elseif (INTEL)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${STD14_FLAG}")
endif()

if (WIN32)
  add_definitions(-DNTDDI_VERSION=0x06020000 -DWINVER=0x0602 -D_WIN32_WINNT=0x0602 -DNOMINMAX -DUNICODE -D_UNICODE)
endif()
if (CYGWIN)
  add_definitions(-D_DEFAULT_SOURCE=1 -DFD_SETSIZE=4096)
endif()

if (NOT ANDROID) # _FILE_OFFSET_BITS is broken in ndk r15 and r15b and doesn't work prior to Android 7.0
  add_definitions(-D_FILE_OFFSET_BITS=64)
endif()

include(AddCXXCompilerFlag)
if (NOT MSVC)
  add_cxx_compiler_flag("-Wall")
  add_cxx_compiler_flag("-Wextra")
  add_cxx_compiler_flag("-Wimplicit-fallthrough=2")
  add_cxx_compiler_flag("-Wpointer-arith")
  add_cxx_compiler_flag("-Wcast-qual")
  add_cxx_compiler_flag("-Wsign-compare")
  add_cxx_compiler_flag("-Wduplicated-branches")
  add_cxx_compiler_flag("-Wduplicated-cond")
  add_cxx_compiler_flag("-Walloc-zero")
  add_cxx_compiler_flag("-Wlogical-op")
  add_cxx_compiler_flag("-Wno-tautological-compare")
  add_cxx_compiler_flag("-Wpointer-arith")
  add_cxx_compiler_flag("-Wvla")
  add_cxx_compiler_flag("-Wnon-virtual-dtor")
  add_cxx_compiler_flag("-Wno-unused-parameter")
  add_cxx_compiler_flag("-Wconversion")
  add_cxx_compiler_flag("-Wno-sign-conversion")
  add_cxx_compiler_flag("-Wc++14-compat-pedantic")
  add_cxx_compiler_flag("-Qunused-arguments")
  add_cxx_compiler_flag("-Wodr")
  add_cxx_compiler_flag("-flto-odr-type-merging")

#  add_cxx_compiler_flag("-Werror")

#  add_cxx_compiler_flag("-Wcast-align")

#std::int32_t <-> int and off_t <-> std::size_t/std::int64_t
#  add_cxx_compiler_flag("-Wuseless-cast")

#external headers like openssl
#  add_cxx_compiler_flag("-Wzero-as-null-pointer-constant")
endif()

#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -isystem /usr/include/c++/v1")
#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=thread")
#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address")
#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=undefined")
#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=leak")

add_subdirectory(tdtl)

add_subdirectory(tdutils)

add_subdirectory(td/generate)

if (NOT CMAKE_CROSSCOMPILING)
  add_custom_target(prepare_cross_compiling DEPENDS tl_generate_common tdmime_auto)
  if (TD_ENABLE_DOTNET)
    add_dependencies(prepare_cross_compiling generate_dotnet_api)
  endif()
endif()

if (NOT OPENSSL_FOUND)
  message(WARNING "Not found OpenSSL: skip TDLib, tdactor, tdnet, tddb")
  return()
endif()

if (NOT ZLIB_FOUND)
  find_package(ZLIB)
endif()
if (NOT ZLIB_FOUND)
  message(WARNING "Not found zlib: skip TDLib, tdactor, tdnet, tddb")
  return()
endif()

add_subdirectory(tdactor)

add_subdirectory(tdnet)

add_subdirectory(sqlite)

add_subdirectory(tddb)

add_subdirectory(test)

if (NOT CMAKE_CROSSCOMPILING)
  add_subdirectory(benchmark)
endif()


get_directory_property(HAS_PARENT PARENT_DIRECTORY)
if (HAS_PARENT)
  set(TL_TD_AUTO_INCLUDES ${TL_TD_AUTO_INCLUDES} PARENT_SCOPE)
  set(TL_TD_API_TLO ${TL_TD_API_TLO} PARENT_SCOPE)
  set(TL_TD_JSON_AUTO ${TL_TD_JSON_AUTO} PARENT_SCOPE)
  set(TD_TEST_SOURCE ${TD_TEST_SOURCE} PARENT_SCOPE)
endif()


#SOURCE SETS

set_source_files_properties(${TL_TD_AUTO} PROPERTIES GENERATED TRUE)
if (TD_ENABLE_JNI)
  set(TL_JNI_OBJECT
    td/tl/tl_jni_object.cpp
    td/tl/tl_jni_object.h
  )
else()
  set(TL_JNI_OBJECT)
endif()

set(TL_TD_SCHEME_SOURCE
  ${TL_TD_AUTO}
  ${TL_JNI_OBJECT}
  td/tl/TlObject.h
  td/tl/tl_object_parse.h
  td/tl/tl_object_store.h
)

set_source_files_properties(${TL_TD_JSON_AUTO} PROPERTIES GENERATED TRUE)
set(TL_TD_JSON
  ${TL_TD_JSON_AUTO}
  td/tl/tl_json.h
)

set_source_files_properties(${TL_C_AUTO} PROPERTIES GENERATED TRUE)
set(TL_C_SCHEME_SOURCE
  ${TL_C_AUTO}
)

set_source_files_properties(${TL_DOTNET_AUTO} PROPERTIES GENERATED TRUE)
set(TL_DOTNET_SCHEME_SOURCE
  ${TL_DOTNET_AUTO}
  td/tl/tl_dotnet_object.h
)

set(TDLIB_SOURCE
  td/mtproto/AuthData.cpp
  td/mtproto/crypto.cpp
  td/mtproto/Handshake.cpp
  td/mtproto/HandshakeActor.cpp
  td/mtproto/HttpTransport.cpp
  td/mtproto/IStreamTransport.cpp
  td/mtproto/RawConnection.cpp
  td/mtproto/SessionConnection.cpp
  td/mtproto/TcpTransport.cpp
  td/mtproto/Transport.cpp
  td/mtproto/utils.cpp

  td/telegram/AnimationsManager.cpp
  td/telegram/AudiosManager.cpp
  td/telegram/AuthManager.cpp
  td/telegram/CallActor.cpp
  td/telegram/CallDiscardReason.cpp
  td/telegram/CallManager.cpp
  td/telegram/CallbackQueriesManager.cpp
  td/telegram/ClientActor.cpp
  td/telegram/ConfigManager.cpp
  td/telegram/ConfigShared.cpp
  td/telegram/Contact.cpp
  td/telegram/ContactsManager.cpp
  td/telegram/DeviceTokenManager.cpp
  td/telegram/DhCache.cpp
  td/telegram/DialogDb.cpp
  td/telegram/DialogId.cpp
  td/telegram/DialogParticipant.cpp
  td/telegram/DocumentsManager.cpp
  td/telegram/files/FileDb.cpp
  td/telegram/files/FileDownloader.cpp
  td/telegram/files/FileFromBytes.cpp
  td/telegram/files/FileGcParameters.cpp
  td/telegram/files/FileGcWorker.cpp
  td/telegram/files/FileGenerateManager.cpp
  td/telegram/files/FileHashUploader.cpp
  td/telegram/files/FileLoader.cpp
  td/telegram/files/FileLoaderUtils.cpp
  td/telegram/files/FileLoadManager.cpp
  td/telegram/files/FileManager.cpp
  td/telegram/files/FileStats.cpp
  td/telegram/files/FileStatsWorker.cpp
  td/telegram/files/FileUploader.cpp
  td/telegram/files/PartsManager.cpp
  td/telegram/files/ResourceManager.cpp
  td/telegram/Game.cpp
  td/telegram/Global.cpp
  td/telegram/HashtagHints.cpp
  td/telegram/InlineQueriesManager.cpp
  td/telegram/Location.cpp
  td/telegram/MessageEntity.cpp
  td/telegram/MessagesDb.cpp
  td/telegram/MessagesManager.cpp
  td/telegram/misc.cpp
  td/telegram/net/AuthDataShared.cpp
  td/telegram/net/ConnectionCreator.cpp
  td/telegram/net/DcAuthManager.cpp
  td/telegram/net/DcOptionsSet.cpp
  td/telegram/net/MtprotoHeader.cpp
  td/telegram/net/NetActor.cpp
  td/telegram/net/NetQuery.cpp
  td/telegram/net/NetQueryCounter.cpp
  td/telegram/net/NetQueryCreator.cpp
  td/telegram/net/NetQueryDelayer.cpp
  td/telegram/net/NetQueryDispatcher.cpp
  td/telegram/net/NetStatsManager.cpp
  td/telegram/net/PublicRsaKeyShared.cpp
  td/telegram/net/PublicRsaKeyWatchdog.cpp
  td/telegram/net/Session.cpp
  td/telegram/net/SessionProxy.cpp
  td/telegram/net/SessionMultiProxy.cpp
  td/telegram/Payments.cpp
  td/telegram/PasswordManager.cpp
  td/telegram/PrivacyManager.cpp
  td/telegram/Photo.cpp
  td/telegram/ReplyMarkup.cpp
  td/telegram/SecretChatActor.cpp
  td/telegram/SecretChatDb.cpp
  td/telegram/SecretChatsManager.cpp
  td/telegram/SequenceDispatcher.cpp
  td/telegram/StateManager.cpp
  td/telegram/StickersManager.cpp
  td/telegram/StorageManager.cpp
  td/telegram/Td.cpp
  td/telegram/TdDb.cpp
  td/telegram/TopDialogManager.cpp
  td/telegram/UpdatesManager.cpp
  td/telegram/VideoNotesManager.cpp
  td/telegram/VideosManager.cpp
  td/telegram/VoiceNotesManager.cpp
  td/telegram/WebPagesManager.cpp

  td/mtproto/AuthData.h
  td/mtproto/AuthKey.h
  td/mtproto/crypto.h
  td/mtproto/CryptoStorer.h
  td/mtproto/Handshake.h
  td/mtproto/HandshakeActor.h
  td/mtproto/HandshakeConnection.h
  td/mtproto/HttpTransport.h
  td/mtproto/IStreamTransport.h
  td/mtproto/NoCryptoStorer.h
  td/mtproto/PacketStorer.h
  td/mtproto/PingConnection.h
  td/mtproto/RawConnection.h
  td/mtproto/SessionConnection.h
  td/mtproto/TcpTransport.h
  td/mtproto/Transport.h
  td/mtproto/utils.h

  td/telegram/AccessRights.h
  td/telegram/AnimationsManager.h
  td/telegram/AudiosManager.h
  td/telegram/AuthManager.h
  td/telegram/CallActor.h
  td/telegram/CallDiscardReason.h
  td/telegram/CallId.h
  td/telegram/CallManager.h
  td/telegram/CallbackQueriesManager.h
  td/telegram/ChannelId.h
  td/telegram/ChatId.h
  td/telegram/ClientActor.h
  td/telegram/ConfigManager.h
  td/telegram/ConfigShared.h
  td/telegram/Contact.h
  td/telegram/ContactsManager.h
  td/telegram/DeviceTokenManager.h
  td/telegram/DhCache.h
  td/telegram/DhConfig.h
  td/telegram/DialogDb.h
  td/telegram/DialogId.h
  td/telegram/DialogParticipant.h
  td/telegram/DocumentsManager.h
  td/telegram/files/FileDb.h
  td/telegram/files/FileDownloader.h
  td/telegram/files/FileFromBytes.h
  td/telegram/files/FileGcParameters.h
  td/telegram/files/FileGcWorker.h
  td/telegram/files/FileGenerateManager.h
  td/telegram/files/FileHashUploader.h
  td/telegram/files/FileId.h
  td/telegram/files/FileLoaderActor.h
  td/telegram/files/FileLoader.h
  td/telegram/files/FileLoaderUtils.h
  td/telegram/files/FileLoadManager.h
  td/telegram/files/FileLocation.h
  td/telegram/files/FileManager.h
  td/telegram/files/FileStats.h
  td/telegram/files/FileStatsWorker.h
  td/telegram/files/FileUploader.h
  td/telegram/files/PartsManager.h
  td/telegram/files/ResourceManager.h
  td/telegram/files/ResourceState.h
  td/telegram/Game.h
  td/telegram/Global.h
  td/telegram/HashtagHints.h
  td/telegram/InlineQueriesManager.h
  td/telegram/Location.h
  td/telegram/logevent/LogEvent.h
  td/telegram/logevent/SecretChatEvent.h
  td/telegram/MessageEntity.h
  td/telegram/MessageId.h
  td/telegram/MessagesDb.h
  td/telegram/MessagesManager.h
  td/telegram/misc.h
  td/telegram/net/AuthDataShared.h
  td/telegram/net/ConnectionCreator.h
  td/telegram/net/DcAuthManager.h
  td/telegram/net/DcId.h
  td/telegram/net/DcOptions.h
  td/telegram/net/DcOptionsSet.h
  td/telegram/net/MtprotoHeader.h
  td/telegram/net/NetActor.h
  td/telegram/net/NetQuery.h
  td/telegram/net/NetQueryCounter.h
  td/telegram/net/NetQueryCreator.h
  td/telegram/net/NetQueryDelayer.h
  td/telegram/net/NetQueryDispatcher.h
  td/telegram/net/NetStatsManager.h
  td/telegram/net/NetType.h
  td/telegram/net/PublicRsaKeyShared.h
  td/telegram/net/PublicRsaKeyWatchdog.h
  td/telegram/net/Session.h
  td/telegram/net/SessionProxy.h
  td/telegram/net/SessionMultiProxy.h
  td/telegram/net/TempAuthKeyWatchdog.h
  td/telegram/PasswordManager.h
  td/telegram/Payments.h
  td/telegram/Photo.h
  td/telegram/PrivacyManager.h
  td/telegram/PtsManager.h
  td/telegram/ReplyMarkup.h
  td/telegram/SecretChatActor.h
  td/telegram/SecretChatId.h
  td/telegram/SecretChatDb.h
  td/telegram/SecretChatsManager.h
  td/telegram/SecretInputMedia.h
  td/telegram/SequenceDispatcher.h
  td/telegram/StateManager.h
  td/telegram/StickersManager.h
  td/telegram/StorageManager.h
  td/telegram/Td.h
  td/telegram/TdCallback.h
  td/telegram/TdDb.h
  td/telegram/TdParameters.h
  td/telegram/TopDialogManager.h
  td/telegram/UniqueId.h
  td/telegram/UpdatesManager.h
  td/telegram/UserId.h
  td/telegram/Version.h
  td/telegram/VideoNotesManager.h
  td/telegram/VideosManager.h
  td/telegram/VoiceNotesManager.h
  td/telegram/WebPageId.h
  td/telegram/WebPagesManager.h

  td/telegram/AnimationsManager.hpp
  td/telegram/AudiosManager.hpp
  td/telegram/DocumentsManager.hpp
  td/telegram/files/FileId.hpp
  td/telegram/files/FileManager.hpp
  td/telegram/Game.hpp
  td/telegram/Payments.hpp
  td/telegram/Photo.hpp
  td/telegram/ReplyMarkup.hpp
  td/telegram/StickersManager.hpp
  td/telegram/VideoNotesManager.hpp
  td/telegram/VideosManager.hpp
  td/telegram/VoiceNotesManager.hpp

  ${TL_TD_SCHEME_SOURCE}
)

set(MEMPROF_SOURCE
  memprof/memprof.cpp
  memprof/memprof.h
)

#RULES

file(MAKE_DIRECTORY auto)

if (WIN32)
  set(GIT_COMMIT_CMD powershell -ExecutionPolicy ByPass ./gen_git_commit_h.ps1)
else()
  set(GIT_COMMIT_CMD ./gen_git_commit_h.sh)
endif()

add_custom_target(git_commit ALL
  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
  COMMAND ${GIT_COMMIT_CMD}
  COMMENT "Generate git_commit.h"
)

#LIBRARIES

# memprof - simple library for memory usage profiling
add_library(memprof STATIC ${MEMPROF_SOURCE})
target_include_directories(memprof PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>)
target_link_libraries(memprof PRIVATE tdutils)
if (MEMPROF)
  target_compile_definitions(memprof PRIVATE -DUSE_MEMPROF=1)
  if (MEMPROF STREQUAL "SAFE")
    target_compile_definitions(memprof PRIVATE -DUSE_MEMPROF_SAFE=1)
  elseif (MEMPROF STREQUAL "FAST")
    target_compile_definitions(memprof PRIVATE -DUSE_MEMPROF_FAST=1)
  elseif (NOT ${MEMPROF})
    message(FATAL_ERROR "Unsupported MEMPROF value \"${MEMPROF}\"")
  endif()
endif()


# tdcore - mostly internal TDLib interface. One should use tdactor for interactions with it.
add_library(tdcore STATIC ${TDLIB_SOURCE})
target_include_directories(tdcore PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}> $<BUILD_INTERFACE:${TL_TD_AUTO_INCLUDES}>)
target_include_directories(tdcore SYSTEM PRIVATE ${OPENSSL_INCLUDE_DIR})
target_link_libraries(tdcore PUBLIC tdactor tdutils tdnet tddb PRIVATE ${OPENSSL_CRYPTO_LIBRARY} ${CMAKE_DL_LIBS} ${ZLIB_LIBRARIES})

if (TD_ENABLE_JNI AND NOT ANDROID) # jni is available by default on Android
  if (NOT JNI_FOUND)
    find_package(JNI REQUIRED)
  endif()
  message(STATUS "Found JNI: ${JNI_INCLUDE_DIRS} ${JNI_LIBRARIES}")
  target_include_directories(tdcore PUBLIC ${JAVA_INCLUDE_PATH} ${JAVA_INCLUDE_PATH2})
  target_link_libraries(tdcore PUBLIC ${JAVA_JVM_LIBRARY})
endif()

if (NOT CMAKE_CROSSCOMPILING)
  add_dependencies(tdcore tl_generate_common)
  if (TD_ENABLE_JNI)
    add_dependencies(tdcore td_generate_java_api)
  endif()
endif()

add_library(tdclient td/telegram/Client.cpp td/telegram/Client.h td/telegram/Log.cpp td/telegram/Log.h)
target_include_directories(tdclient PUBLIC
  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
  $<BUILD_INTERFACE:${TL_TD_AUTO_INCLUDES}>
)
target_link_libraries(tdclient PRIVATE tdcore)

if (TD_ENABLE_JNI AND NOT ANDROID) # jni is available by default on Android
  target_include_directories(tdclient PUBLIC ${JAVA_INCLUDE_PATH} ${JAVA_INCLUDE_PATH2})
  target_link_libraries(tdclient PUBLIC ${JAVA_JVM_LIBRARY})
endif()

if (TD_ENABLE_DOTNET)
  add_library(tddotnet SHARED
    td/telegram/ClientDotNet.cpp
    td/telegram/LogDotNet.cpp
    ${TL_DOTNET_SCHEME_SOURCE}
  )
  set(VCPKG_APPLOCAL_LIBRARY_DEPS ON)
  set_target_properties(tddotnet PROPERTIES OUTPUT_NAME Telegram.Td)
  target_link_libraries(tddotnet PRIVATE tdclient tdutils)
  target_include_directories(tddotnet PUBLIC
    $<BUILD_INTERFACE:${TL_TD_AUTO_INCLUDES}>
  )
  if (NOT CMAKE_CROSSCOMPILING)
    add_dependencies(tddotnet generate_dotnet_api)
  endif()
  if ("${CMAKE_SYSTEM_NAME}" STREQUAL "WindowsStore")
    set_target_properties(tddotnet PROPERTIES VS_WINRT_COMPONENT "true")
    target_compile_options(tddotnet PUBLIC "/ZW")
  else()
    set_target_properties(tddotnet PROPERTIES COMPILE_FLAGS "/GR /clr")
    target_compile_options(tddotnet PUBLIC "/EHa")
  endif()
endif()

# tdc - TDLib interface in pure c.
add_library(tdc STATIC ${TL_C_SCHEME_SOURCE} td/telegram/td_c_client.cpp td/telegram/td_c_client.h)
target_include_directories(tdc PUBLIC
  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
  $<BUILD_INTERFACE:${TL_TD_AUTO_INCLUDES}>)
target_link_libraries(tdc PRIVATE tdclient tdutils)
if (NOT CMAKE_CROSSCOMPILING)
  add_dependencies(tdc tl_generate_c)
endif()

add_library(tdjson_private STATIC ${TL_TD_JSON} td/telegram/ClientJson.cpp td/telegram/ClientJson.h)
target_include_directories(tdjson_private PUBLIC
  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
  $<BUILD_INTERFACE:${TL_TD_AUTO_INCLUDES}>)
target_link_libraries(tdjson_private PUBLIC tdclient tdutils)
if (NOT CMAKE_CROSSCOMPILING)
  add_dependencies(tdjson_private tl_generate_common tl_generate_json)
endif()

set(TD_JSON_HEADERS td/telegram/td_json_client.h td/telegram/td_log.h)
set(TD_JSON_SOURCE td/telegram/td_json_client.cpp td/telegram/td_log.cpp)

include(GenerateExportHeader)

add_library(tdjson SHARED ${TD_JSON_SOURCE} ${TD_JSON_HEADERS})
target_link_libraries(tdjson PRIVATE tdjson_private)
generate_export_header(tdjson EXPORT_FILE_NAME ${CMAKE_CURRENT_BINARY_DIR}/td/telegram/tdjson_export.h)
target_include_directories(tdjson PUBLIC
  $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>)
if (APPLE)
  set_target_properties(tdjson PROPERTIES LINK_FLAGS "-Wl,-exported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/tdclientjson_export_list")
endif()

add_library(tdjson_static STATIC ${TD_JSON_SOURCE} ${TD_JSON_HEADERS})
target_link_libraries(tdjson_static PRIVATE tdjson_private)
target_compile_definitions(tdjson_static PUBLIC TDJSON_STATIC_DEFINE)
target_include_directories(tdjson_static PUBLIC
  $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>)

set(BIGOBJ)
if (WIN32 OR CYGWIN)
  if (MSVC)
    set(BIGOBJ "/bigobj")
  elseif (GCC)
    set(BIGOBJ "-Wa,-mbig-obj")
  endif()
endif()
if (BIGOBJ)
  target_compile_options(tdc PUBLIC ${BIGOBJ})
  target_compile_options(tdcore PUBLIC ${BIGOBJ})
  target_compile_options(tdclient PUBLIC ${BIGOBJ})
  target_compile_options(tdjson PUBLIC ${BIGOBJ})
  target_compile_options(tdjson_static PUBLIC ${BIGOBJ})
  if (TD_ENABLE_DOTNET)
    target_compile_options(tddotnet PUBLIC "/bigobj")
  endif()
endif()

if (EMSCRIPTEN)
  set(TD_EMSCRIPTEN_SRC td/telegram/td_emscripten.cpp)
  add_executable(${TD_EMSCRIPTEN} ${TD_EMSCRIPTEN_SRC})
  target_include_directories(${TD_EMSCRIPTEN} PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>)
  target_link_libraries(${TD_EMSCRIPTEN} PRIVATE tdjson_static)
endif()

#EXECUTABLES
if (NOT CMAKE_CROSSCOMPILING)
  add_executable(tg_cli td/telegram/cli.cpp ${TL_TD_JSON})

  if (NOT READLINE_FOUND)
    find_package(Readline)
  endif()
  if (NOT READLINE_FOUND)
    message(STATUS "Could NOT find Readline")
  else()
    message(STATUS "Found Readline: ${READLINE_INCLUDE_DIR} ${READLINE_LIBRARY}")
    target_link_libraries(tg_cli PRIVATE ${READLINE_LIBRARY})
    target_include_directories(tg_cli SYSTEM PRIVATE ${READLINE_INCLUDE_DIR})
    target_compile_definitions(tg_cli PRIVATE -DUSE_READLINE=1)
  endif()
  target_link_libraries(tg_cli PRIVATE memprof tdclient tdcore tdtl)
  add_dependencies(tg_cli tl_generate_json)
endif()

#Exported libraries
add_library(TdStatic INTERFACE)
target_link_libraries(TdStatic INTERFACE tdclient)

add_library(TdJson INTERFACE)
target_link_libraries(TdJson INTERFACE tdjson)

add_library(TdJsonStatic INTERFACE)
target_link_libraries(TdJsonStatic INTERFACE tdjson_static)

add_library(Td::TdStatic ALIAS TdStatic)
add_library(Td::TdJson ALIAS TdJson)
add_library(Td::TdJsonStatic ALIAS TdJsonStatic)

install(TARGETS tdjson TdJson tdjson_static TdJsonStatic tdjson_private tdclient tdcore TdStatic EXPORT TdTargets
  LIBRARY DESTINATION lib
  ARCHIVE DESTINATION lib
  RUNTIME DESTINATION bin
  INCLUDES DESTINATION include
)

install(EXPORT TdTargets
  FILE TdTargets.cmake
  NAMESPACE Td::
  DESTINATION lib/cmake/Td
)

install(FILES ${TD_JSON_HEADERS} ${CMAKE_CURRENT_BINARY_DIR}/td/telegram/tdjson_export.h DESTINATION include/td/telegram)
install(FILES td/telegram/Client.h td/telegram/Log.h DESTINATION include/td/telegram)
install(FILES td/tl/TlObject.h DESTINATION include/td/tl)
install(FILES ${TL_TD_AUTO_INCLUDES}/td/telegram/td_api.h ${TL_TD_AUTO_INCLUDES}/td/telegram/td_api.hpp DESTINATION include/td/telegram)
if (TD_ENABLE_JNI)
  install(FILES td/tl/tl_jni_object.h DESTINATION include/td/tl)
endif()

include(CMakePackageConfigHelpers)
write_basic_package_version_file("TdConfigVersion.cmake"
  VERSION ${TDLib_VERSION}
  COMPATIBILITY ExactVersion
)
install(FILES "TdConfig.cmake" "${CMAKE_CURRENT_BINARY_DIR}/TdConfigVersion.cmake"
  DESTINATION lib/cmake/Td
)