Switch to autoconf 2.70.
diff --git a/ChangeLog b/ChangeLog
index f6b4274..dcc29f7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2020-12-08 Bruno Haible <bruno@clisp.org>
+
+ Switch to autoconf 2.70.
+ * Makefile.devel (AUTOCONF, AUTOHEADER): Remove '-2.69' suffix.
+ * HACKING: Remove sentence about symbolic links.
+ * autogen.sh: Update comment.
+
2020-08-31 Bruno Haible <bruno@clisp.org>
Fix some -Wcast-qual warning, reported by clang.
diff --git a/HACKING b/HACKING
index 193a844..8e5a63e 100644
--- a/HACKING
+++ b/HACKING
@@ -15,12 +15,9 @@
+ Homepage:
https://www.gnu.org/software/automake/
- * GNU autoconf 2.69
+ * GNU autoconf 2.69 or newer
+ Homepage:
https://www.gnu.org/software/autoconf/
- + You also need to create symbolic links
- autoconf-2.69 -> autoconf
- autoheader-2.69 -> autoheader
* GNU m4
+ Homepage:
diff --git a/Makefile.devel b/Makefile.devel
index 2a5e101..fcf3b77 100644
--- a/Makefile.devel
+++ b/Makefile.devel
@@ -4,8 +4,8 @@
SHELL = /bin/sh
MAKE = make
-AUTOCONF = autoconf-2.69
-AUTOHEADER = autoheader-2.69
+AUTOCONF = autoconf
+AUTOHEADER = autoheader
AUTOMAKE = automake-1.16
ACLOCAL = aclocal-1.16
GPERF = gperf
diff --git a/autogen.sh b/autogen.sh
index 1ab9c37..3d8759c 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -4,7 +4,7 @@
# also regenerates all aclocal.m4, config.h.in, Makefile.in, configure files
# with new versions of autoconf or automake.
#
-# This script requires autoconf-2.63..2.69 and automake-1.11..1.16 in the PATH.
+# This script requires autoconf-2.63..2.70 and automake-1.11..1.16 in the PATH.
# If not used from a released tarball, it also requires either
# - the GNULIB_SRCDIR environment variable pointing to a gnulib checkout, or
# - a preceding invocation of './gitsub.sh pull'.
diff --git a/libcharset/ChangeLog b/libcharset/ChangeLog
index 33fa887..e6a0cb8 100644
--- a/libcharset/ChangeLog
+++ b/libcharset/ChangeLog
@@ -1,3 +1,9 @@
+2020-12-08 Bruno Haible <bruno@clisp.org>
+
+ Switch to autoconf 2.70.
+ * Makefile.devel (AUTOCONF, AUTOHEADER): Remove '-2.69' suffix.
+ * autogen.sh: Update comment.
+
2020-08-29 Bruno Haible <bruno@clisp.org>
Update after gnulib changed.
diff --git a/libcharset/Makefile.devel b/libcharset/Makefile.devel
index 04f4c7a..7a991cd 100644
--- a/libcharset/Makefile.devel
+++ b/libcharset/Makefile.devel
@@ -3,8 +3,8 @@
SHELL = /bin/sh
MAKE = make
-AUTOCONF = autoconf-2.69
-AUTOHEADER = autoheader-2.69
+AUTOCONF = autoconf
+AUTOHEADER = autoheader
ACLOCAL = aclocal-1.16
CP = cp
RM = rm -f
diff --git a/libcharset/autogen.sh b/libcharset/autogen.sh
index a622e48..61c10ec 100755
--- a/libcharset/autogen.sh
+++ b/libcharset/autogen.sh
@@ -2,7 +2,7 @@
# Convenience script for regenerating all aclocal.m4, config.h.in, Makefile.in,
# configure files with new versions of autoconf or automake.
#
-# This script requires autoconf-2.63..2.69 and automake-1.11..1.16 in the PATH.
+# This script requires autoconf-2.63..2.70 and automake-1.11..1.16 in the PATH.
# Copyright (C) 2003-2007, 2009-2010, 2016, 2020 Free Software Foundation, Inc.
#
