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cmake_minimum_required(VERSION "3.27")
project("kernel"
DESCRIPTION "An educational OS kernel"
HOMEPAGE_URL "https://gitlab.ost.ch/teachos/kernel"
VERSION "0.0.1"
LANGUAGES ASM C CXX
)
set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/Modules")
include("ElfTransformations")
include("GenerateBootableIso")
#[============================================================================[
# Global Build System Configuration
#]============================================================================]
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin")
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION YES)
set(CMAKE_CXX_STANDARD "20")
set(CMAKE_CXX_STANDARD_REQUIRED YES)
set(CMAKE_CXX_EXTENSIONS NO)
add_compile_options(
"$<$<CXX_COMPILER_ID:GNU>:-Wall>"
"$<$<CXX_COMPILER_ID:GNU>:-Wextra>"
"$<$<CXX_COMPILER_ID:GNU>:-Werror>"
"$<$<CXX_COMPILER_ID:GNU>:-pedantic-errors>"
)
#[============================================================================[
# Kernel Executable
#]============================================================================]
add_executable("kernel")
add_subdirectory("libs")
add_subdirectory("kern")
add_subdirectory("arch")
target_link_libraries("kernel" PRIVATE
"arch::${CMAKE_SYSTEM_PROCESSOR}"
"os::kern"
)
target_link_options("kernel" PRIVATE
"-no-pie"
"-nostdlib"
)
target_disassemble("kernel")
target_extract_debug_symbols("kernel")
target_strip("kernel")
target_generate_bootable_iso("kernel")
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