CMakeLists.txt

cmake_minimum_required(VERSION 2.8.12)

#compiler settings

#set(CMAKE_CXX_STANDARD 11)
#set(CMAKE_CXX_STANDARD_REQUIRED ON)
#set(CMAKE_CXX_EXTENSIONS OFF)
#set(CMAKE_C_COMPILER gcc)
#set(CMAKE_CXX_COMPILER g++)

# common

set(PROJECT_NAME "xpeccy")
project(${PROJECT_NAME})

file(STRINGS "Release" XVER)

set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/cmake)
include(${CMAKE_ROOT}/Modules/FindPackageHandleStandardArgs.cmake)

# endianess

include (TestBigEndian)
test_big_endian(BIG_ENDIAN)
if (BIG_ENDIAN)
	add_definitions(-DWORDS_BIG_ENDIAN)
else()
	add_definitions(-DWORDS_LITTLE_ENDIAN)
endif()

# compilation flags

set(CMAKE_C_FLAGS "-std=gnu99 -Wall -O2 ${CMAKE_C_FLAGS}")
set(CMAKE_C_FLAGS_RELEASE "-DNDEBUG ${CMAKE_C_FLAGS_RELEASE}")
set(CMAKE_C_FLAGS_DEBUG "-g -DISDEBUG ${CMAKE_C_FLAGS_DEBUG}")

set(CMAKE_CXX_FLAGS "-std=c++11 -Wall -O2 ${CMAKE_CXX_FLAGS}")
set(CMAKE_CXX_FLAGS_RELEASE "-DNDEBUG ${CMAKE_CXX_FLAGS_RELEASE}")
set(CMAKE_CXX_FLAGS_DEBUG "-g -DISDEBUG ${CMAKE_CXX_FLAGS_DEBUG}")

# OS-depended section

set(CPACK_PACKAGE_NAME ${PROJECT_NAME})
set(CPACK_PACKAGE_VERSION ${XVER})
set(CPACK_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}_${CPACK_PACKAGE_VERSION}_${CMAKE_SYSTEM_PROCESSOR}")
set(CPACK_PACKAGE_DESCRIPTION "ZX Spectrum emulator")
set(CPACK_PACKAGE_VENDOR "SAM style")
set(CPACK_PACKAGE_CONTACT "samstyle@list.ru")

if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")

	set(INC_PATHS local/include include)
	set(LIB_PATHS lib lib64 local/lib local/lib64)


	if ("${PACK}" STREQUAL "rpm")

	# RPM package

	message(STATUS "Package type : RPM")
	set(CPACK_GENERATOR "RPM")
	set(CPACK_RPM_PACKAGE_LICENSE "MIT")
	set(CPACK_RPM_PACKAGE_GROUP "Games")

	else ()

	# DEB package

	message(STATUS "Package type : DEB")
	set(CPACK_GENERATOR "DEB")
	set(CPACK_DEBIAN_PACKAGE_SECTION "Games")
	set(CPACK_DEBIAN_PACKAGE_PRIORITY "optional")

	endif()

	install(FILES ${CMAKE_BINARY_DIR}/${PROJECT_NAME} DESTINATION bin
		PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE WORLD_READ WORLD_EXECUTE GROUP_READ GROUP_EXECUTE
	)
	install(FILES images/xpeccy.png DESTINATION share/icons)
	install(FILES Xpeccy.desktop DESTINATION share/applications)

elseif(${CMAKE_SYSTEM_NAME} MATCHES "/BSD$/")

	set(INC_PATHS pkg/include include)
	set(LIB_PATHS lib lib64 pkg/lib local/lib64)

	add_definitions("-D__BSD")

elseif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")

	set(INC_PATHS local/include include)
	set(LIB_PATHS lib lib64 local/lib local/lib64)

	set(CPACK_GENERATOR "DragNDrop")
	set(CPACK_DMG_NAME ${PROJECT_NAME})
	set(CPACK_DMG_FORMAT UDZO)
#	set(CPACK_DMG_BACKGROUND_IMAGE ${CMAKE_SOURCE_DIR}/background.png)

	set(MACOSX_BUNDLE_BUNDLE_NAME ${PROJECT_NAME}.app)
	set(MACOSX_BUNDLE_ICON_FILE ${PROJECT_NAME}.icns)
	set(MACOSX_BUNDLE_INFO_PLIST ${CMAKE_SOURCE_DIR}/Info.plist)
	set(MACOSX_BUNDLE_BUNDLE_VERSION ${XVER})

	set(BUNDLE_ICON_PATH ${CMAKE_SOURCE_DIR}/images/${MACOSX_BUNDLE_ICON_FILE})
	set(BUNDLE_PATH ${CMAKE_BINARY_DIR}/${MACOSX_BUNDLE_BUNDLE_NAME})

	set_source_files_properties(${CMAKE_BINARY_DIR}/${PROJECT_NAME} PROPERTIES MACOSX_PACKAGE_LOCATION MacOSX)
	set_source_files_properties(${BUNDLE_ICON_PATH} PROPERTIES MACOSX_PACKAGE_LOCATION Resources)

elseif(${CMAKE_SYSTEM_NAME} MATCHES "Windows")

	set(CPACK_GENERATOR "ZIP")
	set(LIBRARIES ${LIBRARIES} winmm.dll)
	set(INC_PATHS $ENV{INCLUDE} $ENV{PATH})
	set(LIB_PATHS $ENV{LIBPATH} $ENV{PATH})

else()

	message(FATAL_ERROR "Unsupported system : ${CMAKE_SYSTEM_NAME}")

endif()

set(INCLUDIRS
	${CMAKE_BINARY_DIR}
	./src
)

# sources
file(GLOB_RECURSE SOURCES
	./src/*.cpp
	./src/*.c
)

# headers
file(GLOB_RECURSE HEADERS
	./src/*.h
)

# Qt user interface
file(GLOB_RECURSE UIFILES
	./ui/*.ui
)

# Qt resources
set(QRCFILES ./xpeccy.qrc)

# Qt moc files
set(MOCFILES
	./src/ethread.h
	./src/emulwin.h
	./src/xapp.h
	./src/xgui/debuga/debuger.h
	./src/xgui/debuga/dbg_sprscan.h
	./src/xgui/debuga/dbg_memfill.h
	./src/xgui/debuga/dbg_finder.h
	./src/xgui/debuga/dbg_dump.h
	./src/xgui/debuga/dbg_disasm.h
	./src/xgui/debuga/dbg_brkpoints.h
	./src/xgui/debuga/dbg_diskdump.h
	./src/xgui/debuga/dbg_vmem_dump.h
	./src/xgui/debuga/dbg_widgets.h
	./src/xgui/debuga/dbg_rdump.h
	./src/watcher.h
	./src/xgui/options/setupwin.h
	./src/xgui/options/padbinder.h
	./src/xgui/options/opt_romset.h
	./src/xgui/options/opt_diskcat.h
	./src/xgui/options/opt_tapecat.h
	./src/xgui/options/opt_hotkeytab.h
	./src/vkeyboard.h
	./src/xgui/xgui.h
	./src/xgui/classes.h
	./src/xgui/labelist.h
)

# Qt4 / Qt5 / Qt6

if (DEFINED QT4BUILD)
	if (${QT4BUILD})
		set(QTVERSION 4)
	else(${QT4BUILD})
		set(QTVERSION 5)
	endif(${QT4BUILD})
elseif(NOT DEFINED QTVERSION)
	set(QTVERSION 5)
endif()

if(${QTVERSION} EQUAL 4)
	find_package(Qt4 COMPONENTS QtCore QtGui REQUIRED)
	include(${QT_USE_FILE})
	qt4_add_resources(RESOURCES ${QRCFILES})
	qt4_wrap_ui(UIHEADERS ${UIFILES})
	qt4_wrap_cpp(MOCHEADERS ${MOCFILES})
	set(CPACK_RPM_PACKAGE_REQUIRES "libqt4 >= 4.6, libqt4-x11 >= 4.6")
	set(CPACK_DEBIAN_PACKAGE_DEPENDS "libqtcore4 (>=4.6), libqtgui4 (>=4.6)")

	if(${USEQTNETWORK})
		find_package(Qt4 COMPONENTS QtNetwork REQUIRED)
		set(CPACK_RPM_PACKAGE_REQUIRES "${CPACK_RPM_PACKAGE_REQUIRES}, libqt4-network >= 4.6")
		set(CPACK_DEBIAN_PACKAGE_DEPENDS "${CPACK_DEBIAN_PACKAGE_DEPENDS}, libqt4-network (>=4.6)")
		add_definitions("-DUSENETWORK")
	endif()
	if(${USEOPENGL})
		find_package(Qt4 COMPONENTS QtOpenGL REQUIRED)
		set(CPACK_RPM_PACKAGE_REQUIRES "${CPACK_RPM_PACKAGE_REQUIRES}, libqt4-opengl >= 4.6")
		set(CPACK_DEBIAN_PACKAGE_DEPENDS "${CPACK_DEBIAN_PACKAGE_DEPENDS}, libqt4-opengl (>=4.6)")
		add_definitions("-DUSEOPENGL")
	endif()

	set(LIBRARIES ${LIBRARIES} ${QT_LIBRARIES})
	set(QT_VER ${QT_VERSION_MAJOR}.${QT_VERSION_MINOR}.${QT_VERSION_PATCH})

elseif(${QTVERSION} EQUAL 5)

	find_package(Qt5 COMPONENTS Core Gui Widgets REQUIRED)
	set(LIBRARIES ${LIBRARIES} Qt5::Widgets)
	qt5_add_resources(RESOURCES ${QRCFILES})
	qt5_wrap_ui(UIHEADERS ${UIFILES})
	qt5_wrap_cpp(MOCHEADERS ${MOCFILES})
	set(CPACK_RPM_PACKAGE_REQUIRES "libQt5Gui5 >= 5.3, libQt5Widgets5 >= 5.3")
	set(CPACK_DEBIAN_PACKAGE_DEPENDS "libqt5gui5 (>=5.3), libqt5widgets5 (>=5.3)")

	if(${USEQTNETWORK})
		find_package(Qt5 COMPONENTS Network REQUIRED)
		set(LIBRARIES ${LIBRARIES} Qt5::Network)
		set(CPACK_DEBIAN_PACKAGE_DEPENDS "${CPACK_DEBIAN_PACKAGE_DEPENDS}, libqt5network5 (>=5.3)")
		set(CPACK_RPM_PACKAGE_REQUIRES "${CPACK_RPM_PACKAGE_REQUIRES}, libQt5Network5 >= 5.3")
		add_definitions("-DUSENETWORK")
	endif()
	if (${USEOPENGL})
		find_package(OpenGL REQUIRED)
		find_package(Qt5 COMPONENTS OpenGL REQUIRED)
		set(LIBRARIES ${LIBRARIES} Qt5::OpenGL ${OPENGL_LIBRARIES})
		set(CPACK_RPM_PACKAGE_REQUIRES "${CPACK_RPM_PACKAGE_REQUIRES}, libQt5OpenGL5 >= 5.3")
		set(CPACK_DEBIAN_PACKAGE_DEPENDS "${CPACK_DEBIAN_PACKAGE_DEPENDS}, libqt5opengl5 (>=5.3)")
		add_definitions("-DUSEOPENGL")
	endif()

	set(QT_VER ${Qt5Widgets_VERSION})

elseif(${QTVERSION} EQUAL 6)
#	message(FATAL_ERROR "Qt6 usage is not implemented yet")
# Qt6 requires c++17 standart
	set(CMAKE_CXX_STANDARD 17)
	set(CMAKE_CXX_STANDARD_REQUIRED ON)

	find_package(Qt6 COMPONENTS Core Gui Widgets Core5Compat REQUIRED)
	set(LIBRARIES ${LIBRARIES} Qt6::Widgets Qt6::Core Qt6::Gui Qt6::Core5Compat)
	qt6_add_resources(RESOURCES ${QRCFILES})
	qt6_wrap_ui(UIHEADERS ${UIFILES})
	qt6_wrap_cpp(MOCHEADERS ${MOCFILES})
	set(CPACK_RPM_PACKAGE_REQUIRES "libQt6Gui6 >= 6.1, libQt6Widgets6 >= 6.1, libQt6Core5Compat6 >= 6.1")
	set(CPACK_DEBIAN_PACKAGE_DEPENDS "libqt6gui6 (>=6.1), libqt6widgets6 (>=6.1), libqt6core5compat6 >= 6.1")
	if(${USEQTNETWORK})
		find_package(Qt6 COMPONENTS Network REQUIRED)
		set(LIBRARIES ${LIBRARIES} Qt6::Network)
		set(CPACK_DEBIAN_PACKAGE_DEPENDS "${CPACK_DEBIAN_PACKAGE_DEPENDS}, libqt6network6 (>=6.1)")
		set(CPACK_RPM_PACKAGE_REQUIRES "${CPACK_RPM_PACKAGE_REQUIRES}, libQt6Network6 >= 6.1")
		add_definitions("-DUSENETWORK")
	endif()
	if (${USEOPENGL})
		find_package(OpenGL REQUIRED)
		find_package(Qt6 COMPONENTS OpenGLWidgets REQUIRED)
		set(LIBRARIES ${LIBRARIES} Qt6::OpenGLWidgets ${OPENGL_LIBRARIES})
		set(CPACK_RPM_PACKAGE_REQUIRES "${CPACK_RPM_PACKAGE_REQUIRES}, libQt6OpenGL6 >= 6.1")
		set(CPACK_DEBIAN_PACKAGE_DEPENDS "${CPACK_DEBIAN_PACKAGE_DEPENDS}, libqt6opengl6 (>=6.1)")
		add_definitions("-DUSEOPENGL")
	endif()

	set(QT_VER ${Qt6Widgets_VERSION})
else()
	message(FATAL_ERROR "Unknown Qt version defined")
endif()

# SDL

if(${SDL1BUILD})
	find_package(SDL REQUIRED)
	if(${SDL_FOUND})
		add_definitions(-DHAVESDL1)
		include_directories(${SDL_INCLUDE_DIR})
		set(LIBRARIES ${LIBRARIES} ${SDL_LIBRARY})
		set(CPACK_DEBIAN_PACKAGE_DEPENDS "${CPACK_DEBIAN_PACKAGE_DEPENDS}, libSDL1.2debian (>=1.2)")
		set(CPACK_RPM_PACKAGE_DEPENDS "${CPACK_RPM_PACKAGE_DEPENDS}, SDL >= 1.2")
		set(SDL_VER ${SDL_VERSION_STRING})
		set(SDL_NAME "SDL")
	endif(${SDL_FOUND})
else(${SDL1BUILD})
	find_package(SDL2 REQUIRED)
	if (${SDL2_FOUND})
		add_definitions(-DHAVESDL2)
		include_directories(${SDL2_INCLUDE_DIR})
		set(LIBRARIES ${LIBRARIES} ${SDL2_LIBRARY})
		set(CPACK_DEBIAN_PACKAGE_DEPENDS "${CPACK_DEBIAN_PACKAGE_DEPENDS}, libsdl2-2.0-0 (>=2.0) | libSDL2 (>=2.0)")
		set(CPACK_RPM_PACKAGE_DEPENDS "${CPACK_RPM_PACKAGE_DEPENDS}, SDL2 >= 2.0")
		set(SDL_VER "2.x")
		set(SDL_NAME "SDL2")
		message(STATUS "SDL2_INCLUDE_DIR = " ${SDL2_INCLUDE_DIR})
	endif(${SDL2_FOUND})
endif(${SDL1BUILD})

# zlib (for rzx)

find_package(ZLIB)
if(ZLIB_FOUND)
	add_definitions(-DHAVEZLIB)
	set(INCLUDIRS ${INCLUDIRS} ${ZLIB_INCLUDE_DIR})
	set(LIBRARIES ${LIBRARIES} ${ZLIB_LIBRARY})
	set(CPACK_DEBIAN_PACKAGE_DEPENDS "${CPACK_DEBIAN_PACKAGE_DEPENDS}, zlib1g (>=1.2)")
	set(CPACK_RPM_PACKAGE_DEPENDS "${CPACK_RPM_PACKAGE_DEPENDS}, zlib >= 1.2")
endif(ZLIB_FOUND)

# flags

if(${IBM})
	add_definitions(-DUSEIBM=1)
endif()

# other

if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
	add_executable(${PROJECT_NAME} ${SOURCES} ${HEADERS} ${UIHEADERS} ${RESOURCES} ${MOCHEADERS})
elseif(${CMAKE_SYSTEM_NAME} MATCHES "/BSD$/")
	add_executable(${PROJECT_NAME} ${SOURCES} ${HEADERS} ${UIHEADERS} ${RESOURCES} ${MOCHEADERS})
elseif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
	add_executable(${PROJECT_NAME} MACOSX_BUNDLE ${SOURCES} ${HEADERS} ${UIHEADERS} ${RESOURCES} ${MOCHEADERS} ${BUNDLE_ICON_PATH})
	find_program(MACDEPLOYQTEXE macdeployqt)
	add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
		COMMAND ${MACDEPLOYQTEXE} ARGS ${BUNDLE_PATH} -always-overwrite
		COMMAND mkdir ARGS -p ${BUNDLE_PATH}/Contents/Frameworks
                COMMAND cp ARGS -R -X /Library/Frameworks/${SDL_NAME}.framework ${BUNDLE_PATH}/Contents/Frameworks
                COMMAND install_name_tool -change @rpath/${SDL_NAME}.framework/Versions/A/${SDL_NAME} @executable_path/../Frameworks/${SDL_NAME}.framework/Versions/A/${SDL_NAME} ${BUNDLE_PATH}/Contents/MacOS/xpeccy
	)
	set(CMAKE_INSTALL_PREFIX "/Applications")
	install(TARGETS ${PROJECT_NAME} BUNDLE DESTINATION .)
elseif(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
	add_executable(${PROJECT_NAME} WIN32 ${SOURCES} ${HEADERS} ${UIHEADERS} ${RESOURCES} ${MOCHEADERS} ${CMAKE_SOURCE_DIR}/xpeccy.rc)
endif()

include_directories(${INCLUDIRS})
target_link_libraries(${PROJECT_NAME} ${LIBRARIES})

include(${CMAKE_ROOT}/Modules/CPack.cmake)

# install

# print messages

message(STATUS "\n")
message(STATUS "Project will be compiled with following options:\n")
message(STATUS "Build type : ${CMAKE_BUILD_TYPE}")
message(STATUS "Xpeccy version : ${XVER}")
message(STATUS "OS : ${CMAKE_SYSTEM_NAME}")
message(STATUS "Qt version : ${QT_VER}")
message(STATUS "SDL version : ${SDL_VER}")

if (${USEQTNETWORK})
	message(STATUS "Network: yes")
else()
	message(STATUS "Network: no")
endif()

if (${USEOPENGL})
	message(STATUS "OpenGL: yes")
else()
	message(STATUS "OpenGL: no")
endif()

if (BIG_ENDIAN)
	message(STATUS "Endianness: BE")
else ()
	message(STATUS "Endianness: LE")
endif()

message(STATUS "\n")