news: more about planned backward incompatibilities

* NEWS (Future backward-incompatibilities): Starting from the next
major Automake versions, the parallel testsuite driver will be used
by default, instead of the serial testsuite driver as in the past.

diff --git a/NEWS b/NEWS
index aaed1c2..2fae024 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,11 @@
 * WARNING: Future backward-incompatibilities!
 
+  - Starting from the next major Automake version (1.13), the parallel
+    testsuite harness (previously only enabled by the 'parallel-tests'
+    option) will become the default one; the older serial testsuite
+    harness will still be available through the use of the 'serial-tests'
+    option.
+
   - The following long-obsolete m4 macros will be removed in the
     next major Automake version (1.13):