build: Make bluetooth, network and wacom mandatory on linux

The bluetooh, network and wacom panels should not be optional
on linux, except on s390 systems which lack USB support. It
should also not be built at all on other systems.

This patch makes these panels mandatory on linux.

https://bugzilla.gnome.org/show_bug.cgi?id=792641

meson.build

@@ -19,6 +19,7 @@ control_center_icondir = join_paths(control_center_datadir, 'icons')
 
 control_center_gettext = meson.project_name() + '-2.0'
 
+host_is_linux = host_machine.system().contains('linux')
 host_is_s390 = host_machine.cpu().contains('s390')
 
 cc = meson.get_compiler('c')
@@ -144,18 +145,6 @@ foreach header: check_headers
   assert(cc.has_header(header[1], args: cups_cflags), 'CUPS headers not found: ' + header[1])
 endforeach
 
-# Check for gnome-bluetooth
-enable_bluetooth = get_option('bluetooth')
-if enable_bluetooth
-  assert(not host_is_s390, 'Bluetooth panel will not be built (no USB support on this platform). Use -Dbluetooth=false to build without it.')
-
-  gnome_bluetooth_dep = dependency('gnome-bluetooth-1.0', version: '>= 3.18.2')
-endif
-config_h.set('BUILD_BLUETOOTH', enable_bluetooth,
-             description: 'Define to 1 to build the Bluetooth panel')
-config_h.set('HAVE_BLUETOOTH', enable_bluetooth,
-             description: 'Define to 1 if bluetooth support is available')
-
 # Optional dependency for the user accounts panel
 enable_cheese = get_option('cheese')
 if enable_cheese
@@ -178,41 +167,6 @@ endif
 config_h.set('HAVE_IBUS', enable_ibus,
              description: 'Defined if IBus support is enabled')
 
-# network manager
-enable_network_manager = get_option('network_manager')
-if enable_network_manager
-  network_manager_deps = [
-    dependency('libnm', version: '>= 1.2.0'),
-    dependency('libnma', version: '>= 1.2.0'),
-    dependency('mm-glib', version: '>= 0.7')
-  ]
-
-  network_manager_dep = dependency('NetworkManager')
-  nm_vpn_config_dir = join_paths(network_manager_dep.get_pkgconfig_variable('configdir'), 'VPN')
-  nm_vpn_module_dir = network_manager_dep.get_pkgconfig_variable('plugindir')
-endif
-config_h.set('BUILD_NETWORK', enable_network_manager,
-             description: 'Define to 1 to build the Network panel')
-config_h.set('HAVE_NETWORK_MANAGER', enable_network_manager,
-             description: 'Define to 1 if NetworkManager is available')
-
-# Wacom
-enable_wacom = get_option('wacom')
-if enable_wacom
-  assert(not host_is_s390, 'Wacom panel will not be built (no USB support on this platform). Use -Dwacom=false to build without it.')
-  assert(clutter_gtk_dep.found(), 'wacom support requested, but clutter-gtk library is not available. Use -Dwacom=false to build without it.')
-
-  wacom_deps = [
-    clutter_gtk_dep,
-    dependency('clutter-1.0', version: '>= 1.11.3'),
-    dependency('libwacom', version: '>= 0.7')
-  ]
-endif
-config_h.set('BUILD_WACOM', enable_wacom,
-             description: 'Define to 1 to build the Wacom panel')
-config_h.set('HAVE_WACOM', enable_wacom,
-             description: 'Define to 1 if Wacom is supportted')
-
 # wayland
 enable_wayland = get_option('wayland')
 if enable_wayland
@@ -224,6 +178,48 @@ endif
 config_h.set('HAVE_WAYLAND', enable_wayland,
              description: 'Define to 1 if Wayland is enabled')
 
+if host_is_s390
+  message('Bluetooth, Network and Wacom panels will not be built (no USB support on this platform)')
+endif
+
+enable_linux = host_is_linux and not host_is_s390
+if enable_linux
+  # gnome-bluetooth
+  gnome_bluetooth_dep = dependency('gnome-bluetooth-1.0', version: '>= 3.18.2')
+
+  # network manager
+  network_manager_deps = [
+    dependency('libnm', version: '>= 1.2.0'),
+    dependency('libnma', version: '>= 1.2.0'),
+    dependency('mm-glib', version: '>= 0.7')
+  ]
+
+  network_manager_dep = dependency('NetworkManager')
+  nm_vpn_config_dir = join_paths(network_manager_dep.get_pkgconfig_variable('configdir'), 'VPN')
+  nm_vpn_module_dir = network_manager_dep.get_pkgconfig_variable('plugindir')
+
+  # Wacom
+  assert(clutter_gtk_dep.found(), 'clutter-gtk library is required for wacom support, but is not available.')
+
+  wacom_deps = [
+    clutter_gtk_dep,
+    dependency('clutter-1.0', version: '>= 1.11.3'),
+    dependency('libwacom', version: '>= 0.7')
+  ]
+endif
+config_h.set('BUILD_BLUETOOTH', enable_linux,
+             description: 'Define to 1 to build the Bluetooth panel')
+config_h.set('HAVE_BLUETOOTH', enable_linux,
+             description: 'Define to 1 if bluetooth support is available')
+config_h.set('BUILD_NETWORK', enable_linux,
+             description: 'Define to 1 to build the Network panel')
+config_h.set('HAVE_NETWORK_MANAGER', enable_linux,
+             description: 'Define to 1 if NetworkManager is available')
+config_h.set('BUILD_WACOM', enable_linux,
+             description: 'Define to 1 to build the Wacom panel')
+config_h.set('HAVE_WACOM', enable_linux,
+             description: 'Define to 1 if Wacom is supportted')
+
 # Check for info panel
 gnome_session_libexecdir = get_option('gnome_session_libexecdir')
 if gnome_session_libexecdir == ''
@@ -272,11 +268,11 @@ meson.add_install_script(
 )
 
 output = meson.project_name() + ' was configured with the following options:\n'
-output += '** gnome-bluetooth (Bluetooth panel): ' + enable_bluetooth.to_string() + '\n'
+output += '** gnome-bluetooth (Bluetooth panel): ' + enable_linux.to_string() + '\n'
 output += '** Cheese (Users panel webcam support): ' + enable_cheese.to_string() + '\n'
 output += '** IBus (Region panel IBus support): ' + enable_ibus.to_string() + '\n'
-output += '** NetworkManager (Network panel): ' + enable_network_manager.to_string() + '\n'
-output += '** wacom (Wacom tablet panel): ' + enable_wacom.to_string() + '\n'
+output += '** NetworkManager (Network panel): ' + enable_linux.to_string() + '\n'
+output += '** wacom (Wacom tablet panel): ' + enable_linux.to_string() + '\n'
 output += '** Wayland: ' + enable_wayland.to_string() + '\n'
 output += '** gnome-session libexecdir: ' + gnome_session_libexecdir + '\n'
 output += 'End options'

meson_options.txt

@@ -1,8 +1,5 @@
-option('bluetooth', type: 'boolean', value: true, description: 'build with Bluetooth support')
 option('cheese', type: 'boolean', value: true, description: 'build with cheese webcam support')
 option('documentation', type: 'boolean', value: false, description: 'build documentation')
 option('gnome_session_libexecdir', type: 'string', value: '', description: 'Directory for gnome-session\'s libexecdir')
 option('ibus', type: 'boolean', value: true, description: 'build with IBus support')
-option('network_manager', type: 'boolean', value: true, description: 'build with NetworkManager support')
-option('wacom', type: 'boolean', value: true, description: 'build with Wacom support')
-option('wayland', type: 'boolean', value: true, description: 'build with Wayland support')
+option('wayland', type: 'boolean', value: true, description: 'build with Wayland support')

panels/meson.build

@@ -21,16 +21,12 @@ panels = [
   'user-accounts'
 ]
 
-if enable_bluetooth
-  panels += 'bluetooth'
-endif
-
-if enable_network_manager
-  panels += 'network'
-endif
-
-if enable_wacom
-  panels += 'wacom'
+if enable_linux
+  panels += [
+    'bluetooth',
+    'network',
+    'wacom'
+  ]
 endif
 
 panels_list = []

panels/power/meson.build

@@ -35,12 +35,8 @@ deps = common_deps + [
 
 cflags += '-DGNOMELOCALEDIR="@0@"'.format(control_center_localedir)
 
-if enable_bluetooth
-  deps += gnome_bluetooth_dep
-endif
-
-if enable_network_manager
-  deps += network_manager_deps
+if enable_linux
+  deps += network_manager_deps + [gnome_bluetooth_dep]
 endif
 
 panels_libs += static_library(

shell/meson.build

@@ -86,7 +86,7 @@ if enable_cheese
   shell_deps += cheese_deps
 endif
 
-if enable_wacom
+if enable_linux
   shell_deps += wacom_deps
 endif