cmake_minimum_required(VERSION 3.20)
project(termOSuserspace LANGUAGES C ASM_NASM)

set(CMAKE_C_STANDARD 23)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_C_EXTENSIONS OFF)

message(STATUS "Building termOS's userspace")

set(TERMOS_OBJCOPY objcopy)
if(APPLE)
    find_program(TERMOS_LD_LLD NAMES ld.lld HINTS /usr/local/bin /opt/homebrew/bin REQUIRED)
    find_program(TERMOS_OBJCOPY NAMES llvm-objcopy objcopy HINTS /usr/local/opt/llvm/bin /opt/homebrew/opt/llvm/bin REQUIRED)
    set(CMAKE_C_LINK_FLAGS "")
    set(CMAKE_ASM_NASM_COMPILE_OBJECT
        "<CMAKE_ASM_NASM_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -MD <DEP_FILE> -MT <DEP_TARGET> -f elf64 -o <OBJECT> <SOURCE>")
    set(CMAKE_C_LINK_EXECUTABLE
        "${TERMOS_LD_LLD} <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>")
endif()

add_subdirectory(libterm)
add_subdirectory(init)
add_subdirectory(rust)
add_subdirectory(debug)
add_subdirectory(termosh)