cmake_minimum_required(VERSION 3.8.2)

if(USE_PRECOMPILED_HEADERS AND NOT COMMAND target_precompile_headers)
	include(cotire)
endif()

# Generate git-version.h at build time.
include(${CMAKE_CURRENT_SOURCE_DIR}/git-version.cmake)

# Check for a sufficient compiler and set build options
include(ConfigureCompiler)

set(ADDITIONAL_LIBS "")
if(CMAKE_SYSTEM MATCHES "Linux")
	#on some Linux distros shm_unlink and similar functions are in librt only
	set(ADDITIONAL_LIBS ${ADDITIONAL_LIBS} "rt")
elseif(NOT MSVC AND NOT CMAKE_CXX_FLAGS MATCHES "LIBICONV_PLUG")
	#it seems like glibc includes the iconv functions we use but other libc
	#implementations like the one on OSX don't seem implement them
	set(ADDITIONAL_LIBS ${ADDITIONAL_LIBS} "iconv")
endif()

if(UNIX AND NOT APPLE)
	# Optionally enable X11 for window management
	find_package(X11)
	if(X11_FOUND)
		add_definitions(-DHAVE_X11)
	endif()
endif()

if(NOT RPCS3_SRC_DIR)
	set(RPCS3_SRC_DIR ${CMAKE_CURRENT_LIST_DIR})
	message("-- Initializing RPCS3_SRC_DIR=${RPCS3_SRC_DIR}")
else()
	message("-- Using Custom RPCS3_SRC_DIR=${RPCS3_SRC_DIR}")
endif()

# Qt5
# finds Qt libraries and setups custom commands for MOC and UIC
# Must be done here because generated MOC and UIC targets cant
# be found otherwise
include(${CMAKE_SOURCE_DIR}/3rdparty/qt5.cmake)

# subdirectories
add_subdirectory(Emu)
add_subdirectory(rpcs3qt)

set(RPCS3_SRC
	display_sleep_control.cpp
	headless_application.cpp
	main.cpp
	main_application.cpp
	rpcs3_version.cpp
	stb_image.cpp
	stdafx.cpp

	Input/basic_keyboard_handler.cpp
	Input/basic_mouse_handler.cpp
	Input/ds3_pad_handler.cpp
	Input/ds4_pad_handler.cpp
	Input/dualsense_pad_handler.cpp
	Input/evdev_joystick_handler.cpp
	Input/keyboard_pad_handler.cpp
	Input/mm_joystick_handler.cpp
	Input/pad_thread.cpp
	Input/xinput_pad_handler.cpp
)

if(WIN32)
	add_executable(rpcs3 WIN32 ${RPCS3_SRC})
elseif(APPLE)
	add_executable(rpcs3 MACOSX_BUNDLE ${RPCS3_SRC} "${RPCS3_SRC_DIR}/rpcs3.icns")
	set_target_properties(rpcs3
		PROPERTIES
			MACOSX_BUNDLE_INFO_PLIST "${RPCS3_SRC_DIR}/rpcs3.plist.in")
else()
	add_executable(rpcs3 ${RPCS3_SRC})
endif()

gen_git_version(${RPCS3_SRC_DIR})
set_target_properties(rpcs3
	PROPERTIES
		AUTOMOC ON
		AUTOUIC ON)

target_link_libraries(rpcs3 rpcs3_emu rpcs3_ui)
target_link_libraries(rpcs3 3rdparty::discord-rpc 3rdparty::qt5 3rdparty::hidapi 3rdparty::libusb 3rdparty::wolfssl)
target_link_libraries(rpcs3 ${ADDITIONAL_LIBS})

# Win resource file
if (WIN32)
	target_sources(rpcs3 PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/rpcs3.rc")
endif()

# Unix display manager
if(X11_FOUND)
	target_include_directories(rpcs3 PUBLIC ${X11_INCLUDE_DIR})
	target_link_libraries(rpcs3 ${X11_LIBRARIES})
elseif(USE_VULKAN AND UNIX AND NOT WAYLAND_FOUND AND NOT APPLE)
	# Wayland has been checked in 3rdparty/CMakeLists.txt already.
	message(FATAL_ERROR "RPCS3 requires either X11 or Wayland (or both) for Vulkan.")
endif()

if(UNIX)
	set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
	find_package(Threads REQUIRED)
	target_link_libraries(rpcs3 Threads::Threads)
endif()

if(WIN32)
	target_link_libraries(rpcs3 ws2_32.lib Iphlpapi.lib Winmm.lib Psapi.lib gdi32.lib setupapi.lib)
else()
	target_link_libraries(rpcs3 ${CMAKE_DL_LIBS})
endif()

if(USE_PRECOMPILED_HEADERS)
	if(COMMAND target_precompile_headers)
		target_precompile_headers(rpcs3 PRIVATE "${RPCS3_SRC_DIR}/stdafx.h")
	else()
		set_target_properties(rpcs3 PROPERTIES
			COTIRE_CXX_PREFIX_HEADER_INIT "${RPCS3_SRC_DIR}/stdafx.h"
			COTIRE_ADD_UNITY_BUILD OFF)

		cotire(rpcs3)
	endif()
endif()

# Copy icons to executable directory
if(APPLE)
	add_custom_command(TARGET rpcs3 POST_BUILD
			COMMAND ${CMAKE_COMMAND} -E copy
			${RPCS3_SRC_DIR}/rpcs3.icns $<TARGET_FILE_DIR:rpcs3>/../Resources/rpcs3.icns
			COMMAND ${CMAKE_COMMAND} -E copy_directory
			${CMAKE_SOURCE_DIR}/bin/Icons $<TARGET_FILE_DIR:rpcs3>/../Resources/Icons
			COMMAND ${CMAKE_COMMAND} -E copy_directory
			${CMAKE_SOURCE_DIR}/bin/GuiConfigs $<TARGET_FILE_DIR:rpcs3>/../Resources/GuiConfigs
			COMMAND "${Qt5_DIR}/../../../bin/macdeployqt" "${PROJECT_BINARY_DIR}/bin/rpcs3.app")
elseif(UNIX)
	add_custom_command(TARGET rpcs3 POST_BUILD
			COMMAND ${CMAKE_COMMAND} -E copy_directory
			${CMAKE_SOURCE_DIR}/bin/Icons $<TARGET_FILE_DIR:rpcs3>/Icons)
elseif(WIN32)
	add_custom_command(TARGET rpcs3 POST_BUILD
			COMMAND "${CMAKE_COMMAND}" -E copy_directory "${CMAKE_SOURCE_DIR}/bin" "$<TARGET_FILE_DIR:rpcs3>"
			COMMAND "${Qt5_DIR}/../../../bin/windeployqt" --no-angle --no-compiler-runtime --no-opengl-sw --no-patchqt --no-svg --no-translations --no-quick --plugindir "$<TARGET_FILE_DIR:rpcs3>/qt/plugins" --release "$<TARGET_FILE:rpcs3>")
endif()

# Unix installation
if(UNIX AND NOT APPLE)
	# Install the binary
	install(TARGETS rpcs3 RUNTIME DESTINATION ${CMAKE_INSTALL_PREFIX}/bin)
	# Install the application icon and menu item
	install(FILES rpcs3.svg
		DESTINATION ${CMAKE_INSTALL_PREFIX}/share/icons/hicolor/scalable/apps)
	install(FILES rpcs3.png
		DESTINATION ${CMAKE_INSTALL_PREFIX}/share/icons/hicolor/48x48/apps)
	install(FILES rpcs3.desktop
		DESTINATION ${CMAKE_INSTALL_PREFIX}/share/applications)
	install(FILES rpcs3.appdata.xml
			DESTINATION ${CMAKE_INSTALL_PREFIX}/share/metainfo)
	# Install other files
	install(DIRECTORY ../bin/Icons
		DESTINATION ${CMAKE_INSTALL_PREFIX}/share/rpcs3)
	install(DIRECTORY ../bin/GuiConfigs
		DESTINATION ${CMAKE_INSTALL_PREFIX}/share/rpcs3)
endif()