[FYI] {maint} hacking: we now require autoconf 2.68

[Stefano Lattarini]

* HACKING ("Working in git"): Use autoconf and autom4te 2.68,
not 2.67, in the examples.
---
 ChangeLog |    6 ++++++
 HACKING   |    4 ++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index af2556f..7c85938 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2011-08-11  Stefano Lattarini  <address@hidden>
+
+       hacking: we now require autoconf 2.68
+       * HACKING ("Working in git"): Use autoconf and autom4te 2.68,
+       not 2.67, in the examples.
+
 2011-08-08  Stefano Lattarini  <address@hidden>
 
        test defs: more environment cleanup
diff --git a/HACKING b/HACKING
index 334d74c..873243c 100644
--- a/HACKING
+++ b/HACKING
@@ -102,8 +102,8 @@
   not installed as "autoconf", pass it explicitly (along with the
   accompanying "autom4te") when calling `bootstrap' and `configure'.
   For example:
-    $ AUTOCONF=autoconf2.67 AUTOM4TE=autom4te2.67 ./bootstrap
-    $ ./configure AUTOCONF=autoconf2.67 AUTOM4TE=autom4te2.67
+    $ AUTOCONF=autoconf2.68 AUTOM4TE=autom4te2.68 ./bootstrap
+    $ ./configure AUTOCONF=autoconf2.68 AUTOM4TE=autom4te2.68
 
 * Dependent files aclocal.m4, configure and Makefile.in in all
   directories should be up to date in the git repository, so that
-- 
1.7.2.3