README: document that we only support util-linux built with --enable-libmount-force...

Fixes: #2978

diff --git a/NEWS b/NEWS
index b75638ed3600d222d7c987ab2a91f88902fcdad6..58a0f032a862e685f0dced8ea19a6579bf7f8d06 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -417,6 +417,9 @@ CHANGES WITH 228:
 
           https://sourceware.org/bugzilla/show_bug.cgi?id=19108
 
+          Note that only util-linux versions built with
+          --enable-libmount-force-mountinfo are supported.
+
         * Support for the ".snapshot" unit type has been removed. This
           feature turned out to be little useful and little used, and
           has now been removed from the core and from systemctl.

diff --git a/README b/README
index 0118c102f6eed592795906f3ea57ce1f5ac2931e..ca8993cb1282e22fcb1c0fcecaa4f1cc6adc3f63 100644 (file)
--- a/README
+++ b/README
@@ -118,6 +118,7 @@ REQUIREMENTS:
         glibc >= 2.16
         libcap
         libmount >= 2.27.1 (from util-linux)
+                (util-linux *must* be built with --enable-libmount-force-mountinfo)
         libseccomp >= 1.0.0 (optional)
         libblkid >= 2.24 (from util-linux) (optional)
         libkmod >= 15 (optional)