Samba fails to build on platforms without acl support, because we always build the POSIXACL_XATTR subsystem.
Created attachment 12343 [details] Patches for v4-5-test
Reassigning to Karolin for inclusion in 4.5.
(In reply to Ralph Böhme from comment #2) Pushed to autobuild-v4-5-test.
(In reply to Karolin Seeger from comment #3) Pushed to v4-5-test. Closing out bug report. Thanks!