meson feature: make rfkill optional

meson.build

@@ -137,12 +137,10 @@ if is_linux
     add_project_arguments('-DHAVE_MEMORY_LINUX', language: 'cpp')
     src_files += files(
         'src/modules/battery.cpp',
-        'src/modules/bluetooth.cpp',
         'src/modules/cpu/common.cpp',
         'src/modules/cpu/linux.cpp',
         'src/modules/memory/common.cpp',
         'src/modules/memory/linux.cpp',
-        'src/util/rfkill.cpp'
     )
 elif is_dragonfly or is_freebsd or is_netbsd or is_openbsd
     add_project_arguments('-DHAVE_CPU_BSD', language: 'cpp')
@@ -207,6 +205,16 @@ if gtk_layer_shell.found()
     add_project_arguments('-DHAVE_GTK_LAYER_SHELL', language: 'cpp')
 endif
 
+if get_option('rfkill').enabled()
+    if is_linux
+        add_project_arguments('-DWANT_RFKILL', language: 'cpp')
+        src_files += files(
+            'src/modules/bluetooth.cpp',
+            'src/util/rfkill.cpp'
+        )
+    endif
+endif
+
 subdir('protocol')
 
 executable(

meson_options.txt

@@ -7,3 +7,4 @@ option('dbusmenu-gtk', type: 'feature', value: 'auto', description: 'Enable supp
 option('man-pages', type: 'feature', value: 'auto', description: 'Generate and install man pages')
 option('mpd', type: 'feature', value: 'auto', description: 'Enable support for the Music Player Daemon')
 option('gtk-layer-shell', type: 'feature', value: 'auto', description: 'Use gtk-layer-shell library for popups support')
+option('rfkill', type: 'feature', value: 'auto', description: 'Enable support for RFKILL')