meson: Use feature options everywhere it makes sense

spa/plugins/alsa/meson.build

@@ -42,7 +42,7 @@ executable('test-timer',
   install : false,
 )
 
-if get_option('udev') and libudev_dep.found()
+if libudev_dep.found()
   install_data(alsa_udevrules,
     install_dir : udevrulesdir,
   )

spa/plugins/bluez5/meson.build

@@ -1,3 +1,24 @@
+bluez5_deps = [ dbus_dep, sbc_dep, bluez_dep ]
+foreach dep: bluez5_deps
+  if not dep.found()
+    subdir_done()
+  endif
+endforeach
+
+if not get_option('bluez5-backend-hsp-native').disabled()
+  cdata.set('HAVE_BLUEZ_5_BACKEND_HSP_NATIVE', 1)
+  cdata.set('HAVE_BLUEZ_5_BACKEND_NATIVE', 1)
+endif
+if not get_option('bluez5-backend-hfp-native').disabled()
+  cdata.set('HAVE_BLUEZ_5_BACKEND_HFP_NATIVE', 1)
+  cdata.set('HAVE_BLUEZ_5_BACKEND_NATIVE', 1)
+endif
+if not get_option('bluez5-backend-ofono').disabled()
+  cdata.set('HAVE_BLUEZ_5_BACKEND_OFONO', 1)
+endif
+if not get_option('bluez5-backend-hsphfpd').disabled()
+  cdata.set('HAVE_BLUEZ_5_BACKEND_HSPHFPD', 1)
+endif
 
 bluez5_sources = ['plugin.c',
 		  'a2dp-codecs.c',
@@ -11,7 +32,6 @@ bluez5_sources = ['plugin.c',
 		  'bluez5-dbus.c']
 
 bluez5_args = [ '-D_GNU_SOURCE' ]
-bluez5_deps = [ dbus_dep, sbc_dep, bluez_dep ]
 
 if ldac_dep.found()
   bluez5_sources += [ 'a2dp-codec-ldac.c' ]
@@ -33,15 +53,15 @@ if fdk_aac_dep.found()
   bluez5_deps += fdk_aac_dep
 endif
 
-if get_option('bluez5-backend-hsp-native') or get_option('bluez5-backend-hfp-native')
+if not get_option('bluez5-backend-hsp-native').disabled() or not get_option('bluez5-backend-hfp-native').disabled()
   bluez5_sources += ['backend-native.c']
 endif
 
-if get_option('bluez5-backend-ofono')
+if not get_option('bluez5-backend-ofono').disabled()
   bluez5_sources += ['backend-ofono.c']
 endif
 
-if get_option('bluez5-backend-hsphfpd')
+if not get_option('bluez5-backend-hsphfpd').disabled()
   bluez5_sources += ['backend-hsphfpd.c']
 endif
 

spa/plugins/meson.build

@@ -1,48 +1,46 @@
-if get_option('alsa')
+if alsa_dep.found()
   subdir('alsa')
 endif
-if get_option('audioconvert')
+if not get_option('audioconvert').disabled()
   subdir('audioconvert')
 endif
-if get_option('audiomixer')
+if not get_option('audiomixer').disabled()
   subdir('audiomixer')
 endif
-if get_option('control')
+if not get_option('control').disabled()
   subdir('control')
 endif
-if get_option('audiotestsrc')
+if not get_option('audiotestsrc').disabled()
   subdir('audiotestsrc')
 endif
-if get_option('bluez5')
-  subdir('bluez5')
-endif
-if get_option('ffmpeg')
+subdir('bluez5')
+if avcodec_dep.found() and avformat_dep.found()
   subdir('ffmpeg')
 endif
-if get_option('jack')
+if jack_dep.found()
   subdir('jack')
 endif
-if get_option('support')
+if not get_option('support').disabled()
   subdir('support')
 endif
-if get_option('test')
+if not get_option('test').disabled()
   subdir('test')
 endif
-if get_option('videoconvert')
+if not get_option('videoconvert').disabled()
   subdir('videoconvert')
 endif
-if get_option('videotestsrc')
+if not get_option('videotestsrc').disabled()
   subdir('videotestsrc')
 endif
-if get_option('volume')
+if not get_option('volume').disabled()
   subdir('volume')
 endif
-if get_option('vulkan')
+if vulkan_dep.found()
   subdir('vulkan')
 endif
-if get_option('v4l2')
+if libudev_dep.found() and not get_option('v4l2').disabled()
   subdir('v4l2')
 endif
-if get_option('libcamera')
+if libcamera_dep.found()
   subdir('libcamera')
 endif

spa/plugins/support/meson.build

@@ -15,10 +15,10 @@ spa_support_lib = shared_library('spa-support',
 		        install_dir : join_paths(spa_plugindir, 'support'))
 
 
-if get_option('evl')
+if not get_option('evl').disabled()
   evl_inc = include_directories('/usr/evl/include')
   evl_lib = cc.find_library('evl',
-		dirs: ['/usr/evl/lib/'])
+		dirs: ['/usr/evl/lib/'], required: get_option('evl'))
 
   spa_evl_sources = ['evl-system.c',
 		   'evl-plugin.c']
@@ -42,7 +42,7 @@ spa_dbus_lib = shared_library('spa-dbus',
 		        install_dir : join_paths(spa_plugindir, 'support'))
 
 
-if get_option('systemd') and systemd_dep.found()
+if systemd_dep.found()
   spa_journal_sources = ['journal.c']
 
   spa_journal_lib = shared_library('spa-journal',