project('lv2', ['c'],
        version: '1.18.3',
        license: 'ISC',
        meson_version: '>= 0.49.2',
        default_options: [
          'b_ndebug=if-release',
          'buildtype=release',
          'c_std=c99',
          'default_library=both',
          'warning_level=2',
        ])

# Load build tools
pkg = import('pkgconfig')
cc = meson.get_compiler('c')

# Set ultra strict warnings for developers, if requested
if get_option('strict')
  subdir('meson')

  c_warnings = all_c_warnings
  if cc.get_id() == 'clang'
    c_warnings += [
      '-Wno-cast-align',
      '-Wno-cast-qual',
      '-Wno-documentation-unknown-command',
      '-Wno-double-promotion',
      '-Wno-float-conversion',
      '-Wno-float-equal',
      '-Wno-implicit-float-conversion',
      '-Wno-padded',
      '-Wno-reserved-id-macro',
      '-Wno-shorten-64-to-32',
      '-Wno-sign-conversion',
      '-Wno-switch-enum',
      '-Wno-unused-parameter',
    ]
  elif cc.get_id() == 'gcc'
    c_warnings += [
      '-Wno-cast-align',
      '-Wno-cast-qual',
      '-Wno-conversion',
      '-Wno-double-promotion',
      '-Wno-float-equal',
      '-Wno-inline',
      '-Wno-padded',
      '-Wno-parentheses',
      '-Wno-suggest-attribute=const',
      '-Wno-suggest-attribute=malloc',
      '-Wno-suggest-attribute=pure',
      '-Wno-switch-enum',
      '-Wno-unused-parameter',
    ]
  elif cc.get_id() == 'msvc'
    c_warnings += [
      '/wd4061',  # enumerator in switch is not explicitly handled
      '/wd4100',  # unreferenced formal parameter
      '/wd4244',  # conversion with possible loss of data
      '/wd4267',  # conversion from size_t to a smaller type
      '/wd4310',  # cast truncates constant value
      '/wd4365',  # signed/unsigned mismatch
      '/wd4464',  # relative include path contains ".."
      '/wd4514',  # unreferenced inline function has been removed
      '/wd4706',  # assignment within conditional expression
      '/wd4710',  # function not inlined
      '/wd4711',  # function selected for automatic inline expansion
      '/wd4820',  # padding added after construct
      '/wd5045',  # will insert Spectre mitigation for memory load
    ]
  endif

  add_project_arguments(cc.get_supported_arguments(c_warnings),
                        language: ['c'])
endif

if host_machine.system() == 'darwin'
  lv2dir = '/Library/Audio/Plug-Ins/LV2'
  default_lv2_path = [
    '~/Library/Audio/Plug-Ins/LV2',
    '~/.lv2',
    '/usr/local/lib/lv2',
    '/usr/lib/lv2',
    '/Library/Audio/Plug-Ins/LV2',
  ]
elif host_machine.system() == 'haiku'
  default_lv2_path = [
    '~/.lv2',
    '/boot/common/add-ons/lv2',
  ]
elif host_machine.system() == 'win32'
  lv2dir = env_path('COMMONPROGRAMFILES', 'LV2')
  default_lv2_path = [
    '%APPDATA%\\\\LV2',
    '%COMMONPROGRAMFILES%\\\\LV2',
  ]
else
  libdirname = get_option('libdir')
  lv2dir = get_option('prefix') / get_option('libdir')
  default_lv2_path = [
    '~/.lv2',
    '/usr/@0@/lv2'.format(libdirname),
    '/usr/local/@0@/lv2'.format(libdirname),
  ]
endif

# Map of specification base name to old URI-style include path
spec_map = {
  'atom':            'lv2/lv2plug.in/ns/ext/atom',
  'buf-size':        'lv2/lv2plug.in/ns/ext/buf-size',
  'core':            'lv2/lv2plug.in/ns/lv2core',
  'data-access':     'lv2/lv2plug.in/ns/ext/data-access',
  'dynmanifest':     'lv2/lv2plug.in/ns/ext/dynmanifest',
  'event':           'lv2/lv2plug.in/ns/ext/event',
  'instance-access': 'lv2/lv2plug.in/ns/ext/instance-access',
  'log':             'lv2/lv2plug.in/ns/ext/log',
  'midi':            'lv2/lv2plug.in/ns/ext/midi',
  'morph':           'lv2/lv2plug.in/ns/ext/morph',
  'options':         'lv2/lv2plug.in/ns/ext/options',
  'parameters':      'lv2/lv2plug.in/ns/ext/parameters',
  'patch':           'lv2/lv2plug.in/ns/ext/patch',
  'port-groups':     'lv2/lv2plug.in/ns/ext/port-groups',
  'port-props':      'lv2/lv2plug.in/ns/ext/port-props',
  'presets':         'lv2/lv2plug.in/ns/ext/presets',
  'resize-port':     'lv2/lv2plug.in/ns/ext/resize-port',
  'state':           'lv2/lv2plug.in/ns/ext/state',
  'time':            'lv2/lv2plug.in/ns/ext/time',
  'ui':              'lv2/lv2plug.in/ns/extensions/ui',
  'units':           'lv2/lv2plug.in/ns/extensions/units',
  'uri-map':         'lv2/lv2plug.in/ns/ext/uri-map',
  'urid':            'lv2/lv2plug.in/ns/ext/urid',
  'worker':          'lv2/lv2plug.in/ns/ext/worker',
}

lv2_dep = declare_dependency(
  include_directories: include_directories('.'),
  version: meson.project_version())

# plugins/eg-fifths.lv2/uris.h
# plugins/eg-params.lv2/state_map.h
# plugins/eg-sampler.lv2/atom_sink.h
# plugins/eg-sampler.lv2/peaks.h
# plugins/eg-sampler.lv2/uris.h
# plugins/eg-scope.lv2/uris.h