meson.build

project(
  'gnome-control-center', 'c',
        version : '43.alpha',
        license : 'GPL2+',
  meson_version : '>= 0.53.0'
)

control_center_prefix = get_option('prefix')
control_center_bindir = join_paths(control_center_prefix, get_option('bindir'))
control_center_datadir = join_paths(control_center_prefix, get_option('datadir'))
control_center_libexecdir = join_paths(control_center_prefix, get_option('libexecdir'))
control_center_localedir = join_paths(control_center_prefix, get_option('localedir'))
control_center_mandir = join_paths(control_center_prefix, get_option('mandir'))
control_center_sysconfdir = join_paths(control_center_prefix, get_option('sysconfdir'))

control_center_pkgdatadir = join_paths(control_center_datadir, meson.project_name())
control_center_desktopdir = join_paths(control_center_datadir, 'applications')
control_center_icondir = join_paths(control_center_datadir, 'icons')
control_center_schemadir = join_paths (control_center_datadir, 'glib-2.0', 'schemas')

control_center_gettext = meson.project_name() + '-2.0'

host_is_linux = host_machine.system().contains('linux')
host_is_linux_not_s390 = host_is_linux and not host_machine.cpu().contains('s390')

cc = meson.get_compiler('c')

# Tracing
enable_tracing = get_option('tracing')

config_h = configuration_data()

py = import('python')
python = py.find_installation('python3')

config_h.set_quoted('TEST_NM_PYTHON', python.path())

# defines
set_defines = [
  # package
  ['PACKAGE', meson.project_name()],
  ['PACKAGE_VERSION', meson.project_version()],
  ['VERSION', meson.project_version()],
  ['PROFILE', get_option('profile')],
  # i18n
  ['GETTEXT_PACKAGE', control_center_gettext]
]

foreach define: set_defines
  config_h.set_quoted(define[0], define[1])
endforeach

distributor_logo = get_option('distributor_logo')
if (distributor_logo != '')
  config_h.set_quoted('DISTRIBUTOR_LOGO', distributor_logo,
                      description: 'Define to absolute path of distributor logo')
  dark_mode_distributor_logo = get_option('dark_mode_distributor_logo')
  if (dark_mode_distributor_logo != '')
    config_h.set_quoted('DARK_MODE_DISTRIBUTOR_LOGO', dark_mode_distributor_logo,
                        description: 'Define to absolute path of distributor logo for use in dark mode')
  endif
endif

# meson does not support octal values, so it must be handled as a
# string. See: https://github.com/mesonbuild/meson/issues/2047
config_h.set('USER_DIR_MODE', '0700',
             description: 'Permissions for creating the user\'s config, cache and data directories')

# compiler flags
common_flags = ['-DHAVE_CONFIG_H']

# Only add this when optimizing is enabled (default)
optimized_src = '''
  #if __OPTIMIZE__ == 0
  #error No optimization
  #endif
'''

control_center_optimized = get_option('buildtype').contains('optimized') and cc.compiles(optimized_src)

if control_center_optimized
  common_flags += '-Wp,-D_FORTIFY_SOURCE=2'
endif

if get_option('buildtype').contains('debug')
  test_cflags = [
    '-Wcast-align',
    '-Wmissing-field-initializers',
    '-Wmissing-declarations',
    '-Wmissing-prototypes',
    '-Wnested-externs',
    '-Wno-strict-aliasing',
    '-Wno-sign-compare'
  ]

  common_flags += cc.get_supported_arguments(test_cflags)
endif

add_project_arguments(common_flags, language: 'c')

# Check that we meet the dependencies
libgvc = subproject(
  'gvc',
  default_options: [
    'static=true',
    'alsa=false',
    'package_name=' + control_center_gettext,
    'package_version=' + meson.project_version(),
  ]
)
libgvc_dep = libgvc.get_variable('libgvc_dep')

goa_req_version = '>= 3.25.3'
pulse_req_version = '>= 2.0'

libadwaita_dep = dependency(
  'libadwaita-1',
  version: '>= 1.1',
  fallback: ['libadwaita', 'libadwaita_dep'],
  default_options: ['examples=false', 'introspection=disabled', 'tests=false', 'vapi=false'],
)

accounts_dep = dependency('accountsservice', version: '>= 0.6.39')
colord_dep = dependency('colord', version: '>= 0.1.34')
gdk_pixbuf_dep = dependency('gdk-pixbuf-2.0', version: '>= 2.23.0')
gio_dep = dependency('gio-2.0')
glib_dep = dependency('glib-2.0', version: '>= 2.70.0')
gnome_desktop_dep = dependency('gnome-desktop-4')
gnome_bg_dep = dependency('gnome-bg-4')
gnome_rr_dep = dependency('gnome-rr-4')
gnome_settings_dep = dependency('gnome-settings-daemon', version: '>= 41.0')
goa_dep = dependency('goa-1.0', version: goa_req_version)
gsettings_desktop_dep = dependency('gsettings-desktop-schemas', version: '>= 42.alpha')
libxml_dep = dependency('libxml-2.0')
pulse_dep = dependency('libpulse', version: pulse_req_version)
pulse_mainloop_dep = dependency('libpulse-mainloop-glib', version: pulse_req_version)
upower_glib_dep = dependency('upower-glib', version: '>= 0.99.8')
gudev_dep = dependency('gudev-1.0', version: '>= 232')
x11_dep = dependency('x11')
xi_dep = dependency('xi', version: '>= 1.2')
epoxy_dep = dependency('epoxy')
gcr_dep = dependency('gcr-base-3')
pwquality_dep = dependency('pwquality', version: '>= 1.2.2')

m_dep = cc.find_library('m')

common_deps = [
  gio_dep,
  glib_dep,
  gsettings_desktop_dep,
  libadwaita_dep,
  dependency('gio-unix-2.0'),
  dependency('gthread-2.0'),
  dependency('gtk4', version: '>= 4.4'),
]

polkit_gobject_dep = dependency('polkit-gobject-1', version: '>= 0.103')
# Also verify that polkit ITS files exist:
# https://gitlab.gnome.org/GNOME/gnome-control-center/-/issues/491
polkit_files = [ 'gettext/its/polkit.its', 'gettext/its/polkit.loc' ]
foreach polkit_file: polkit_files
  r = run_command('build-aux/meson/find_xdg_file.py', polkit_file, check: true)
  assert(r.returncode() == 0, 'ITS support missing from polkit, please upgrade or contact your distribution')
endforeach

# Check for CUPS 1.4 or newer
cups_dep = dependency('cups', version : '>= 1.4', required: false)
assert(cups_dep.found(), 'CUPS 1.4 or newer not found')

# https://bugzilla.gnome.org/show_bug.cgi?id=696766
cups_cflags = []
if cups_dep.version().version_compare('>= 1.6')
  cups_cflags += '-D_PPD_DEPRECATED='
endif

# cups headers
check_headers = [
  ['HAVE_CUPS_CUPS_H', 'cups/cups.h'],
  ['HAVE_CUPS_PPD_H', 'cups/ppd.h']
]

foreach header: check_headers
  assert(cc.has_header(header[1], args: cups_cflags), 'CUPS headers not found: ' + header[1])
endforeach

config_h.set10('HAVE_CUPS_HTTPCONNECT2',
               cc.has_function('httpConnect2', dependencies: cups_dep),
               description: 'Define if httpConnect2() is available in CUPS')

# IBus support
enable_ibus = get_option('ibus')
if enable_ibus
  ibus_dep = dependency('ibus-1.0', version: '>= 1.5.2')
endif
config_h.set('HAVE_IBUS', enable_ibus,
             description: 'Defined if IBus support is enabled')

# thunderbolt
config_h.set10('HAVE_FN_EXPLICIT_BZERO',
               cc.has_function('explicit_bzero', prefix: '''#include <string.h>'''),
               description: 'Define if explicit_bzero is available')

# Snap support
enable_snap = get_option('snap')
if enable_snap
  snapd_glib_deps = [
    dependency('snapd-glib', version: '>= 1.57')
  ]
endif
config_h.set('HAVE_SNAP', enable_snap,
             description: 'Define to 1 if Snap support is enabled')

# malcontent support
enable_malcontent = get_option('malcontent')
if enable_malcontent
  malcontent_dep = dependency('malcontent-0', version: '>= 0.7.0')
  config_h.set('HAVE_MALCONTENT_0_10', malcontent_dep.version().version_compare('>= 0.10.0'),
               description: 'Define to 1 if malcontent ≥ 0.10.0')
endif
config_h.set('HAVE_MALCONTENT', enable_malcontent,
             description: 'Define to 1 if malcontent support is enabled')

if host_is_linux
  # network manager
  network_manager_deps = [
    dependency('libnm', version: '>= 1.24.0'),
    dependency('libnma-gtk4', version: '>= 1.8.0'),
    dependency('mm-glib', version: '>= 0.7')
  ]
endif
config_h.set('BUILD_NETWORK', host_is_linux,
             description: 'Define to 1 to build the Network panel')
config_h.set('HAVE_NETWORK_MANAGER', host_is_linux,
             description: 'Define to 1 if NetworkManager is available')
config_h.set('BUILD_WWAN', host_is_linux,
             description: 'Define to 1 to build the WWan panel')
config_h.set('HAVE_WWAN', host_is_linux,
             description: 'Define to 1 if WWan is available')

if host_is_linux_not_s390
  # gnome-bluetooth
  gnome_bluetooth_dep = dependency('gnome-bluetooth-ui-3.0')

  libwacom_dep = dependency('libwacom', version: '>= 0.7')

  wacom_deps = [
    libwacom_dep,
  ]
  config_h.set('HAVE_WACOM_3D_STYLUS', libwacom_dep.version().version_compare('>= 0.27'),
               description: 'Define to 1 if libwacom provides definition for 3D styli')
else
  message('Bluetooth and Wacom panels will not be built (no USB support on this platform)')
  message('Thunderbolt panel will not be built (not supported on this platform)')
endif
config_h.set('BUILD_BLUETOOTH', host_is_linux_not_s390,
             description: 'Define to 1 to build the Bluetooth panel')
config_h.set('HAVE_BLUETOOTH', host_is_linux_not_s390,
             description: 'Define to 1 if bluetooth support is available')
config_h.set('BUILD_WACOM', host_is_linux_not_s390,
             description: 'Define to 1 to build the Wacom panel')
config_h.set('HAVE_WACOM', host_is_linux_not_s390,
             description: 'Define to 1 if Wacom is supportted')
config_h.set('BUILD_THUNDERBOLT', host_is_linux_not_s390,
             description: 'Define to 1 to build the Thunderbolt panel')

gnome = import('gnome')
i18n = import('i18n')
pkg = import('pkgconfig')

desktop_conf = configuration_data()
desktop_conf.set('VERSION', meson.project_version())

po_dir = join_paths(meson.source_root(), 'po')
its_dir = join_paths(meson.source_root(), 'gettext')

install_subdir(
  'gettext',
  install_dir: control_center_datadir
)

top_inc = include_directories('.')
shell_inc = include_directories('shell')

subdir('build-aux')
subdir('data/icons')
subdir('po')
subdir('panels')
subdir('shell')
subdir('search-provider')

if get_option('tests')
  subdir('tests')
endif

if get_option('documentation')
  subdir('man')
endif

configure_file(
  output: 'config.h',
  configuration: config_h
)

summary({
  'Documentation': get_option('documentation'),
  'Tests': get_option('tests'),
  'Tracing': enable_tracing,
  'Optimized': control_center_optimized,
})

summary({
  'GNOME Bluetooth': host_is_linux_not_s390,
  'NetworkManager': host_is_linux,
  'Wacom': host_is_linux_not_s390,
}, section: 'Dependencies')

summary({
  'IBus': enable_ibus,
  'Snap': enable_snap,
  'Malcontent': enable_malcontent,
}, section: 'Optional Dependencies')