-#!/bin/sh
-# Usage: sh -x ./autogen.sh [WORKBOOK]
-
-set -e
-
-[ -f GUILE-VERSION ] || {
- echo "autogen.sh: run this command only at the top of guile-core."
- exit 1
-}
-
-######################################################################
-### Find workbook and make symlinks.
-
-workbook=../workbook # assume "cvs co hack"
-test x$1 = x || workbook=$1
-if [ ! -d $workbook ] ; then
- echo "ERROR: could not find workbook dir"
- echo " re-run like so: $0 WORKBOOK"
- exit 1
-fi
-: found workbook at $workbook
-workbook=`(cd $workbook ; pwd)`
-
-workbookdistfiles="ANON-CVS HACKING INSTALL SNAPSHOTS"
-for f in $workbookdistfiles ; do
- rm -f $f
- ln -s $workbook/build/dist-files/$f $f
-done
-rm -f examples/example.gdbinit
-ln -s $workbook/build/dist-files/.gdbinit examples/example.gdbinit
-
-# TODO: This should be moved to dist-guile
-mscripts=$workbook/../scripts
-rm -f BUGS
-$mscripts/render-bugs > BUGS
-
-######################################################################
-
-# Make sure this matches the ACLOCAL invokation in Makefile.am
-
-./guile-aclocal.sh
-
-######################################################################
-### Libtool setup.
-
-# Get a clean version.
-rm -rf libltdl
-libtoolize --force --copy --automake --ltdl
-
-# Make sure we use a ./configure.in compatible autoconf in ./libltdl/
-mv libltdl/configure.in libltdl/configure.tmp
-echo 'AC_PREREQ(2.50)' > libltdl/configure.in
-cat libltdl/configure.tmp >> libltdl/configure.in
-rm libltdl/configure.tmp
-######################################################################
-
-autoheader
-autoconf
-
-# Automake has a bug that will let it only add one copy of a missing
-# file. We need two mdate-sh, tho, one in doc/ref/ and one in
-# doc/tutorial/. We run automake twice as a workaround.
-
-automake --add-missing
-automake --add-missing
-
-# Make sure that libltdl uses the same autoconf version as the rest.
-#
-echo "libltdl..."
-(cd libltdl && autoconf)
-(cd libltdl && automake --gnu --add-missing)
-
-echo "guile-readline..."
-(cd guile-readline && ./autogen.sh)
-
-echo "Now run configure and make."
-echo "You must pass the \`--enable-maintainer-mode' option to configure."
-
-# autogen.sh ends here
+#!/bin/sh
+# Usage: sh -x ./autogen.sh
+
+set -e
+
+[ -f GUILE-VERSION ] || {
+ echo "autogen.sh: run this command only at the top of guile-core."
+ exit 1
+}
+
+######################################################################
+### announce build tool versions
+echo ""
+autoconf --version
+echo ""
+automake --version
+echo ""
+libtool --version
+echo ""
+${M4:-/usr/bin/m4} --version
+echo ""
+gnulib-tool --version
+echo ""
+
+######################################################################
+### update infrastructure
+
+gnulib-tool --update && \
+autoreconf -i --force --verbose
+
+echo "guile-readline..."
+(cd guile-readline && ./autogen.sh)
+
+echo "Now run configure and make."
+echo "You must pass the \`--enable-maintainer-mode' option to configure."