meson: enable_x11 -> backend_x11, enable_wayland -> backend_wayland

bar/meson.build

@@ -1,14 +1,12 @@
 bar_backends = []
 
-# TODO: X11
-if enable_x11
+if backend_x11
   bar_x11 = declare_dependency(sources: ['xcb.c', 'xcb.h'],
                                dependencies: [xcb_stuff, cairo, cairo_ft])
   bar_backends += [bar_x11]
 endif
 
-# TODO: conditional Wayland
-if enable_wayland
+if backend_wayland
   wayland_protocols = dependency('wayland-protocols')
   wayland_protocols_datadir = wayland_protocols.get_pkgconfig_variable('pkgdatadir')
 

meson.build

@@ -30,10 +30,10 @@ if xcb_aux.found() and xcb_cursor.found() and xcb_event.found() and \
   xcb_ewmh.found() and xcb_randr.found() and xcb_render.found() and \
   cairo_xcb.found()
 
-  enable_x11 = true
+  backend_x11 = true
   add_project_arguments('-DENABLE_X11', language: 'c')
 else
-  enable_x11 = false
+  backend_x11 = false
 endif
 
 wayland_client = dependency('wayland-client', required: get_option('backend-wayland'))
@@ -41,13 +41,13 @@ wayland_cursor = dependency('wayland-cursor', required: get_option('backend-wayl
 wlroots = dependency('wlroots', required: get_option('backend-wayland'))
 
 if wayland_client.found() and wayland_cursor.found() and wlroots.found()
-  enable_wayland = true
+  backend_wayland = true
   add_project_arguments('-DENABLE_WAYLAND', language: 'c')
 else
-  enable_wayland = false
+  backend_wayland = false
 endif
 
-if enable_x11
+if backend_x11
   xcb_stuff_lib = static_library(
     'xcb-stuff', 'xcb.c', 'xcb.h',
     dependencies: [xcb_aux, xcb_cursor, xcb_event, xcb_ewmh, xcb_randr,

modules/meson.build

@@ -21,7 +21,7 @@ deps = {
   'removables': [[], [dynlist, udev]],
 }
 
-if enable_x11
+if backend_x11
   deps_x11_only = {
     'xkb': [[], [xcb_stuff, xcb_xkb]],
     'xwindow': [[], [xcb_stuff]],
@@ -46,7 +46,7 @@ foreach mod, data : deps
   endif
 endforeach
 
-if enable_x11
+if backend_x11
   foreach mod, data : deps_x11_only
     sources = data[0]
     dep = data[1]