build: Allow to install media roles

Install role based config if set.

Signed-off-by: Guido Günther <agx@sigxcpu.org>

data/meson.build

@@ -91,4 +91,7 @@ if get_option('daemon')
     install_dir: systemd_user_unit_dir,
   )
 
+  if get_option('media-roles')
+    install_data('media-role-nodes.conf', install_dir: wireplumberdir)
+  endif
 endif  # daemon

meson.build

@@ -42,6 +42,7 @@ if udev.found() and get_option('daemon')
 else
   udevdir = prefix / 'lib' / 'udev' / 'rules.d'
 endif
+wireplumberdir = datadir / 'wireplumber' / 'wireplumber.conf.d'
 
 run_data = configuration_data()
 run_data.set('ABS_BUILDDIR', meson.current_build_dir())
@@ -124,6 +125,7 @@ summary = [
   '  Introspection: @0@'.format(introspection),
   '           Vapi: @0@'.format(get_option('vapi')),
   '          Tests: @0@'.format(get_option('tests')),
+  '    Media Roles: @0@'.format(get_option('media-roles')),
   '---------------',
   '',
 ]

meson.options

@@ -19,3 +19,6 @@ option('tests',
 option('systemd_user_unit_dir',
        type: 'string', value: '',
        description: 'Directory for systemd user units')
+option('media-roles',
+       type: 'boolean', value: false,
+       description: 'Use media roles')