meson: add workaround for old meson

Recent meson versions include the directory name in the target name,
so there is no conflict for files with the same name in different
directories. But at least with meson-0.49.2 in buster we have conflict
with sysusers.d/systemd.conf.

diff --git a/tmpfiles.d/meson.build b/tmpfiles.d/meson.build
index d449034dba0f76a3f6c80f30879bdc79e5849aff..a8aaacaf29e9f67d08429acb5b1029dd39e86533 100644 (file)
--- a/tmpfiles.d/meson.build
+++ b/tmpfiles.d/meson.build
@@ -33,7 +33,8 @@ in_files = ['etc.conf',
 
 foreach file : in_files
         custom_target(
-                file,
+                # XXX: workaround for old meson. Drop when upgrading.
+                'tmpfiles+' + file,
                 input : file + '.in',
                 output: file,
                 command : [meson_render_jinja2, config_h, '@INPUT@'],