news: we trace AC_CONFIG_MACRO_DIRS

* NEWS (New in 1.13): Update accordingly.

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

diff --git a/NEWS b/NEWS
index 4425a89..9f19397 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -138,10 +138,11 @@ New in 1.13:
 
 * Improvements to aclocal and related rebuilds rules:
 
-  - The Autoconf-provided macro AC_CONFIG_MACRO_DIR is now traced by
-    aclocal, and can be used to declare the local m4 include directory.
-    Formerly, one had to specify it with an explicit '-I' option to the
-    'aclocal' invocation.
+  - Autoconf-provided macros AC_CONFIG_MACRO_DIR and AC_CONFIG_MACRO_DIRS
+    (the latter of which will only be present since Autoconf 2.70) are
+    now traced by aclocal, and can be used to declare the local m4 include
+    directories.  Formerly, one had to specify it with an explicit '-I'
+    option to the 'aclocal' invocation.
 
   - The special make variable ACLOCAL_AMFLAGS is deprecated; future
     Automake versions will warn about its use, and later version will