cmake_minimum_required(VERSION 3.8)
project(xv6cbc C ASM)

set(USE_CUDA,0)
# -DUSE_CUDA
#  add_definitions("-Wall -g -O")

set(CMAKE_C_COMPILER $ENV{CBC_COMPILER})
add_definitions("-Wall -g -arch arm -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -Werror -I. -g -O0 
         -Wno-macro-redefined -Wno-gnu-designator -Wno-sometimes-uninitialized -Wno-tautological-compare 
         -I/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/usr/include")

# -DCMAKE_BUILD_TYPE=Debug
set(CMAKE_C_FLAGS_DEBUG "-O0")

if (${USE_CUDA})
    include_directories("/usr/local/cuda/include")
    set(NVCCFLAG "-std=c++11" "-g" "-O0" )
    if (UNIX AND NOT APPLE) # LINUX
        set(CUDA_LINK_FLAGS "-L/usr/local/cuda/lib64 -lcuda -lcudart")
    elseif (APPLE)
        set(CUDA_LINK_FLAGS "-framework CUDA -lc++ -Wl,-search_paths_first -Wl,-headerpad_max_install_names /usr/local/cuda/lib/libcudart_static.a -Wl,-rpath,/usr/local/cuda/lib")
    endif()
    find_package(CUDA REQUIRED)
    SET( CMAKE_EXE_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS} ${CUDA_LINK_FLAGS}" )
endif()

include_directories(".")

macro( GearsCommand )
    set( _OPTIONS_ARGS )
    set( _ONE_VALUE_ARGS TARGET )
    set( _MULTI_VALUE_ARGS SOURCES )
    cmake_parse_arguments( _Gears "${_OPTIONS_ARGS}" "${_ONE_VALUE_ARGS}" "${_MULTI_VALUE_ARGS}" ${ARGN} )

    set (_Gears_CBC_SOURCES)
    set (_Gears_CSOURCES)
    foreach(i ${_Gears_SOURCES})
        if (${i} MATCHES "\\.cbc")
            string(REGEX REPLACE "(.*).cbc" "c/\\1.c" j ${i})
            add_custom_command (
                OUTPUT    ${j}
                DEPENDS   ${i}
                COMMAND  "perl" "gearsTools/generate_stub.pl" "-o" ${j} ${i}
            )
            list(APPEND _Gears_CBC_SOURCES ${j})
        elseif (${i} MATCHES "\\.cu")
            string(REGEX REPLACE "(.*).cu" "c/\\1.ptx" j ${i})
            add_custom_command (
                OUTPUT    ${j}
                DEPENDS   ${i}
                COMMAND  nvcc ${NVCCFLAG} -c -ptx -o ${j} ${i}
            )
            list(APPEND _Gears_CBC_SOURCES ${j})
        else()
            set(j ${i})
            list(APPEND _Gears_CSOURCES ${j})
        endif()
    endforeach(i)

    add_custom_command (
          OUTPUT    c/${_Gears_TARGET}-context.c
          DEPENDS   ${_Gears_CBC_SOURCES}
          COMMAND  "perl" "gearsTools/generate_context.pl" "-o" ${_Gears_TARGET} ${_Gears_CBC_SOURCES}
    )
    add_executable(${_Gears_TARGET} ${_Gears_CBC_SOURCES} ${_Gears_CSOURCES} c/${_Gears_TARGET}-context.c)
    target_link_libraries(${_Gears_TARGET} m pthread)
endmacro()


GearsCommand(
  TARGET
      kernel
  SOURCES
	lib/string.c arm.c asm.S bio.c buddy.c console.cbc exec.c file.c fs.c log.c main.c memide.c pipe.c proc.c spinlock.c
	start.c swtch.S syscall.c sysfile.c sysproc.c trap_asm.S trap.c vm.c device/picirq.c device/timer.c device/uart.c
        entry-osx.S 
)