add meson build files

Closes #116.
Closes #171.
Closes #172.
Closes #175.

etc/meson.build

@@ -0,0 +1,44 @@
+etc_conf_data = configuration_data()
+if os == 'FreeBSD'
+  etc_conf_data.set('TERM', 'cons25')
+elif os == 'Linux'
+  etc_conf_data.set('TERM', 'wsvt25')
+endif
+
+etc_conf_common = [
+  'rc.conf',
+  ]
+
+etc_bin_FreeBSD = [
+  'rc.devd',
+  ]
+
+etc_conf_FreeBSD = [
+  'devd.conf',
+  ]
+
+etc_bin_NetBSD =  [
+  'rc.in',
+  'rc.shutdown.in',
+  ]
+
+install_data(etc_conf_common,
+  install_dir : get_option('sysconfdir'))
+
+  if os == 'FreeBSD'
+  install_data(etc_bin_FreeBSD,
+    install_dir : get_option('sysconfdir'),
+    install_mode: 'rwxr-xr-x')
+  install_data(etc_conf_FreeBSD,
+    install_dir : get_option('sysconfdir'))
+endif
+
+if os == 'FreeBSD' or os == 'NetBSD'
+  foreach file : etc_bin_NetBSD
+    configure_file(input : file,
+      output : '@BASENAME@',
+      configuration : etc_conf_data,
+      install_dir: get_option('sysconfdir'),
+      install_mode: 'rwxr-xr-x')
+  endforeach
+endif