cmake_minimum_required(VERSION 3.12)
project(hello-world C)

# Set default board to iss if not specified
if(NOT DEFINED BOARD)
    set(BOARD "iss" CACHE STRING "Target board")
endif()


# Source files
set(SOURCES
    hello.c
)

message(STATUS "Building for board: ${BOARD}")
message(STATUS "liu:${PROJECT_NAME} ")
message(STATUS "Using board-specific files from: ${BSP_BASE}/env/${BOARD}")

# Create executable with all objects
add_executable(${PROJECT_NAME} 
    ${SOURCES}   
    
)

set_target_properties(${PROJECT_NAME}  PROPERTIES SUFFIX ".elf")

# Link with board library
#target_link_libraries(${PROJECT_NAME}  PRIVATE 
# libwrap
# ${BOARD}
# $<TARGET_OBJECTS:asm_obj>
# #$<TARGET_OBJECTS:env_start>
# )

# Include directories
target_include_directories(${PROJECT_NAME}  PRIVATE
    ${BSP_BASE}/include
    ${BSP_BASE}/drivers
    ${BSP_BASE}/env
    ${BSP_BASE}/env/${BOARD}
    ${BSP_BASE}/libwrap
)

# Add compile definitions
target_compile_definitions(${PROJECT_NAME}  PRIVATE
    BOARD_${BOARD}
)

# link global_compile_options to this target ????
#target_link_libraries(${PROJECT_NAME} PRIVATE global_compile_options)

get_target_property(WRAP_LIBRARY_PATH libwrap ARCHIVE_OUTPUT_DIRECTORY)
get_target_property(BOARDLIBRARY_PATH ${BOARD} ARCHIVE_OUTPUT_DIRECTORY)
## TODDO ???
set(ASM_OBJ_LIB "${BOARDLIBRARY_PATH}/CMakeFiles/asm_obj.dir")

message(STATUS "in hello_world WRAP_LIBRARY_PATH : ${WRAP_LIBRARY_PATH}, BOARDLIBRARY_PATH : ${BOARDLIBRARY_PATH} ASM_OBJ_LIB: ${ASM_OBJ_LIB} ")

# Set linker options
target_link_options(${PROJECT_NAME}  PRIVATE
    --verbose 
    -L${ASM_OBJ_LIB}
    -L${WRAP_LIBRARY_PATH}
    -L${BOARDLIBRARY_PATH}  
    ${ASM_OBJ_LIB}/start.S.o 
    ${ASM_OBJ_LIB}/entry.S.o 
    -L/scratch/hongyu/workarea/Firmwares/build/bare-metal-bsp/env/CMakeFiles/asm_obj.dir 
    -g -Wl,--wrap=printf -march=rv32imc -mabi=ilp32 -L../bare-metal-bsp/env/ -Wl,--wrap=malloc -Wl,--wrap=open -Wl,--wrap=lseek -Wl,--wrap=_lseek -Wl,--wrap=read -Wl,--wrap=_read -Wl,--wrap=write -Wl,--wrap=_write -Wl,--wrap=fstat -Wl,--wrap=_fstat -Wl,--wrap=stat -Wl,--wrap=close -Wl,--wrap=_close -Wl,--wrap=link -Wl,--wrap=unlink -Wl,--wrap=execve -Wl,--wrap=fork -Wl,--wrap=getpid -Wl,--wrap=kill -Wl,--wrap=wait -Wl,--wrap=isatty -Wl,--wrap=times -Wl,--wrap=sbrk -Wl,--wrap=_sbrk -Wl,--wrap=exit -Wl,--wrap=_exit -Wl,--wrap=puts -Wl,--wrap=_puts -Wl,--wrap=printf -Wl,--wrap=sprintf -L. -Wl,--start-group -llibwrap -liss -lc -Wl,--end-group  -T /scratch/hongyu/workarea/Firmwares/bare-metal-bsp/env/iss/link.lds -Wl,--no-warn-rwx-segments -Wl,-Map=hello.map  -nostartfiles  -o hello.elf

)

# Install target
install(TARGETS ${PROJECT_NAME} 
    RUNTIME DESTINATION bin
)