mango/CMakeLists.txt

cmake_minimum_required(VERSION 3.13)
project(mango C ASM)

if (NOT BUILD_TOOLS_DIR)
	message(FATAL_ERROR "No build tools directory specified. Please run build.sh")
endif ()

set(CMAKE_C_STANDARD 17)

set(kernel_arch x86_64)

set(kernel_name "Mango")
set(kernel_exe_name "mango_kernel")

set(generic_src_dirs ds init kernel libc sched util vm syscall)
set(kernel_sources "")
set(kernel_headers "")

foreach (dir ${generic_src_dirs})
	file(GLOB_RECURSE dir_sources ${dir}/*.c)
	file(GLOB_RECURSE dir_headers ${dir}/*.h)

	set(kernel_sources ${kernel_sources} ${dir_sources})
	set(kernel_headers ${kernel_headers} ${dir_headers})
endforeach (dir)

file(GLOB_RECURSE arch_sources_c arch/${kernel_arch}/*.c)
file(GLOB_RECURSE arch_sources_asm arch/${kernel_arch}/*.S)
file(GLOB_RECURSE arch_headers arch/${kernel_arch}/*.h)

set_property(SOURCE ${arch_sources_asm} PROPERTY LANGUAGE C)

add_executable(${kernel_exe_name}
	${kernel_sources}
	${kernel_headers}
	${arch_sources_c}
	${arch_sources_asm}
	${arch_headers})

target_include_directories(${kernel_exe_name} PRIVATE
	include
	libc/include
	arch/${kernel_arch}/include)
target_compile_options(${kernel_exe_name} PRIVATE
	-nostdlib -ffreestanding
	-Wall -Werror -pedantic -Wno-language-extension-token -Wno-unused-function  -Wno-gnu-statement-expression
	-g -fPIC -Iinclude -Iarch/${kernel_arch}/include -Ilibc/include)

add_custom_command(
	TARGET ${kernel_exe_name}
	POST_BUILD
	COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:${kernel_exe_name}> $<TARGET_FILE:${kernel_exe_name}>.debug
	COMMAND ${CMAKE_STRIP} -g $<TARGET_FILE:${kernel_exe_name}>)

target_link_libraries(${kernel_exe_name} -nostdlib -ffreestanding -lgcc)
target_compile_definitions(${kernel_exe_name} PRIVATE BUILD_ID="0")

include(arch/${kernel_arch}/config.cmake)
include(arch/${kernel_arch}/targets.cmake)