project(
  'kiwmi',
  'c',
  license: 'MPL-2.0',
  default_options: [
    'c_std=c11',
    'warning_level=2',
  ],
)

add_project_arguments(
  [
    '-DWLR_USE_UNSTABLE',
    '-D_POSIX_C_SOURCE=200112L'
  ],
  language: 'c',
)

git = find_program('git', required: false)
wayland_server = dependency('wayland-server')
wlroots = dependency('wlroots')

include = include_directories('include')

version = get_option('kiwmi-version')
if version != ''
  version = '"@0@"'.format(version)
else
  if not git.found()
    error('git is required to make the version string')
  endif

  git_commit_hash = run_command([git.path(), 'describe', '--always', '--tags']).stdout().strip()
  git_branch = run_command([git.path(), 'rev-parse', '--abbrev-ref', 'HEAD']).stdout().strip()
  version = '"@0@ (" __DATE__ ", branch \'@1@\')"'.format(git_commit_hash, git_branch)
endif
add_project_arguments('-DKIWMI_VERSION=@0@'.format(version), language: 'c')

compiler = meson.get_compiler('c')
if compiler.get_id() == 'gcc' or compiler.get_id() == 'clang'
    add_project_arguments('-DUNUSED(x)=UNUSED_ ## x __attribute__((__unused__))', language: 'c')
else
    add_project_arguments('-DUNUSED(x)=UNUSED_ ## x', language: 'c')
endif

subdir('kiwmi')