project('glitch kernel', 'c', version: '0.0.0', default_options: ['c_std=gnu11', 'warning_level=2'])
python3 = import('python').find_installation('python3')
cc = meson.get_compiler('c')

conf = configuration_data()
conf.set_quoted('VERSION', run_command(['git', 'describe', '--long'], capture: true, check: true).stdout().strip())
conf.set_quoted('CC', cc.get_id() + ' ' + cc.version())
configure_file(output: 'conf.h', configuration: conf)

subdir('arch/i686')
subdir('devices')

kernel = executable('glitch.elf',
  ['src/multiboot2.c', 'src/mmap.c', 'src/kernel.c',
   'src/isr.c', 'src/mem/vmm.c',
   'lib/string/itoa.c', 'lib/stdio/printf.c'],
  link_language: 'c',
  link_args: ['-ffreestanding', '-static', '-T', meson.current_source_dir()/'arch/i686/linker.ld'],
  install: true, native: false,
  include_directories: [
    include_directories('grub/include', is_system: true),
    include_directories('lib')
  ],
  dependencies: [arch, devices]
)

glitch_iso = custom_target('glitch.iso',
  input: 'scripts/mkiso.py', output: 'glitch.iso', depends: [kernel],
  command: [python3, '@INPUT@', kernel, '@SOURCE_ROOT@/grub/grub.cfg'])

qemu = find_program('qemu-system-i386')
run_target('run', depends: glitch_iso, command: [qemu, '-cdrom', 'glitch.iso', '-accel', 'kvm'])