project('wrenpp', 'cpp',
  version: '0.1.2',
  meson_version: '>=0.49.2',
  default_options: ['buildtype=release', 'cpp_std=c++20', 'b_ndebug=if-release']
)

wren_dep = dependency('wren', version: '>=0.2.0',
  fallback: ['wren', 'wren_dep'],
  default_options: [
	'default_library=static',
	'build_testing=false',
	'wren_with_rand=' + get_option('wren_with_rand').to_string(),
	'wren_with_meta=' + get_option('wren_with_meta').to_string(),
  ],
  static: true,
)
public_incl = [include_directories('include')]

os = host_machine.system()
if os == 'gnu'
  os = 'hurd'
elif os == 'linux'
  os = 'gnu'
endif

arch = host_machine.cpu_family()
if arch == 'x86_64'
  arch = 'amd64'
endif

ptr_size = 0
func_ptr_size = 0

conf = configuration_data()
if os == 'gnu' and arch == 'amd64'
  ptr_size = 8
  func_ptr_size = 8
elif os == 'gnu' and arch == 'aarch64'
  ptr_size = 8
  func_ptr_size = 8
endif

compiler_opts = []
if get_option('wrenpp_with_name_guessing')
  compiler_opts += ['-DWRENPP_WITH_NAME_GUESSING']
endif

conf.set('POINTER_SIZE', ptr_size)
conf.set('FUNC_POINTER_SIZE', func_ptr_size)
conf.set('WRENPP_NAME', meson.project_name())

project_config_file = configure_file(
	input: 'src/pvt_config.h.in',
	output: 'pvt_config.h',
	configuration: conf
)

subdir('include')

wrenpp = library(meson.project_name(),
  project_config_file,
  'src/vm.cpp',
  'src/configuration.cpp',
  'src/def_configuration.cpp',
  'src/dynafunc_maker.cpp',
  'src/dynafunc_' + arch + '_' + os + '.S',
  'src/handle.cpp',
  'src/vm_fun.cpp',
  'src/callback_manager.cpp',
  'src/class_manager.cpp',
  dependencies: [wren_dep],
  include_directories: public_incl,
  install: (not meson.is_subproject() or get_option('default_library')=='shared'),
  c_args: compiler_opts,
  cpp_args: compiler_opts,
)
wrenpp_dep = declare_dependency(
  link_with: wrenpp,
  include_directories: public_incl,
  compile_args: compiler_opts,
)

if get_option('build_examples')
  subdir('examples')
endif
if get_option('build_testing')
  subdir('test')
endif