cmake_minimum_required(VERSION 3.8..3.22)

set(CMAKE_C_COMPILER_WORKS 1)
set(CMAKE_CXX_COMPILER_WORKS 1)

set(CMAKE_CROSSCOMPILING true)

project(Luna LANGUAGES C CXX ASM ASM_NASM VERSION 0.1.0)

set(LUNA_ROOT ${CMAKE_CURRENT_LIST_DIR})
set(LUNA_BASE ${CMAKE_CURRENT_LIST_DIR}/base)

set(LUNA_ARCH $ENV{LUNA_ARCH})

if(NOT DEFINED LUNA_ARCH)
set(LUNA_ARCH "x86_64")
endif()

set(CMAKE_C_COMPILER ${LUNA_ARCH}-luna-gcc)
set(CMAKE_CXX_COMPILER ${LUNA_ARCH}-luna-g++)
set(CMAKE_ASM_COMPILER ${LUNA_ARCH}-luna-gcc)

set(CMAKE_ASM_NASM_OBJECT_FORMAT elf64)

set(CMAKE_ASM_NASM_LINK_EXECUTABLE "${LUNA_ARCH}-luna-ld <FLAGS> <CMAKE_ASM_NASM_LINK_FLAGS> <LINK_FLAGS> <OBJECTS>  -o <TARGET> <LINK_LIBRARIES>")

set(CMAKE_FIND_ROOT_PATH ${LUNA_ROOT}/toolchain/${LUNA_ARCH}-luna)

message(STATUS "Configuring Luna for ${LUNA_ARCH}")

add_subdirectory(libluna)
add_subdirectory(libos)
add_subdirectory(libc)
add_subdirectory(kernel)
add_subdirectory(apps)