cmake_minimum_required(VERSION 3.0)
#set(CMAKE_VERBOSE_MAKEFILE ON)

set(CMAKE_SYSTEM_NAME "Generic")

set(DEVKITPRO $ENV{DEVKITPRO})
set(CMAKE_SYSTEM_PROCESSOR "armv8-a")
set(CMAKE_C_COMPILER "${DEVKITPRO}/devkitA64/bin/aarch64-none-elf-gcc")
set(CMAKE_CXX_COMPILER "${DEVKITPRO}/devkitA64/bin/aarch64-none-elf-g++")
set(CMAKE_ASM_COMPILER "${DEVKITPRO}/devkitA64/bin/aarch64-none-elf-as")
set(CMAKE_AR "${DEVKITPRO}/devkitA64/bin/aarch64-none-elf-gcc-ar" CACHE STRING "")
set(CMAKE_RANLIB "${DEVKITPRO}/devkitA64/bin/aarch64-none-elf-gcc-ranlib" CACHE STRING "")
set(CMAKE_C_FLAGS "-O2 -march=armv8-a -mtune=cortex-a57 -mtp=soft -fPIC -ftls-model=local-exec -I${DEVKITPRO}/libnx/include -I${DEVKITPRO}/portlibs/switch/include" CACHE STRING "C flags")
set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} -fpermissive -fno-rtti -fno-exceptions -std=gnu++11" CACHE STRING "C++ flags")
set(CMAKE_FIND_ROOT_PATH ${DEVKITPRO} ${DEVKITPRO}/devkitA64 ${DEVKITPRO}/libnx ${DEVKITPRO}/portlibs/switch)
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
set(BUILD_SHARED_LIBS OFF CACHE INTERNAL "Shared libs not available")

project(SDL2)

set(SRC_DIRS
        src
        src/atomic
        src/audio
        #src/audio/switch
        src/audio/dummy
        src/cpuinfo
        src/events
        src/file
        src/filesystem/dummy
        src/haptic
        src/haptic/dummy
        src/joystick
        #src/joystick/switch
        src/joystick/dummy
        src/libm
        src/power
        src/render
        src/render/software
        src/stdlib
        src/thread
        src/thread/switch
        src/timer
        src/timer/switch
        src/video
        src/video/yuv2rgb
        src/video/switch
        )

set(SRC_FILES )
foreach (DIR ${SRC_DIRS})
    file(GLOB FILES ${DIR}/*.c*)
    list(APPEND SRC_FILES ${FILES})
endforeach (DIR)

# SDL2 library
add_library(${PROJECT_NAME} STATIC ${SRC_FILES})
target_include_directories(${PROJECT_NAME} PUBLIC ${SRC_DIRS} include)
target_compile_options(${PROJECT_NAME} PUBLIC -O3 -DSWITCH)

# SDL2 test
add_executable(${PROJECT_NAME}.elf test/testswitch.c)
target_include_directories(${PROJECT_NAME}.elf PRIVATE include)
#target_include_directories(${PROJECT_NAME}.elf PRIVATE ${DEVKITPRO}/portlibs/switch/include)
target_compile_options(${PROJECT_NAME}.elf PRIVATE -O3 -DSWITCH)
target_link_libraries(${PROJECT_NAME}.elf
        ${PROJECT_NAME}
        #${DEVKITPRO}/portlibs/switch/lib/libSDL2.a
        ${DEVKITPRO}/libnx/lib/libnx.a
        m
        )
set_target_properties(${PROJECT_NAME}.elf PROPERTIES LINK_FLAGS "-specs=${DEVKITPRO}/libnx/switch.specs")
add_custom_target(${PROJECT_NAME}.nro
        DEPENDS ${PROJECT_NAME}.elf
        COMMAND elf2nro ${PROJECT_NAME}.elf ${PROJECT_NAME}.nro)