* bootstrap: Run libtool, if necessary.

ChangeLog

@@ -1,5 +1,7 @@
 2007-03-08  Jim Meyering  <jim@meyering.net>
 
+	* bootstrap: Run libtool, if necessary.
+
 	Make bootstrap a little more general.
 	* bootstrap (build_aux): Factor out/use this definition.
 	Formally require a "AC_CONFIG_AUX_DIR($build_aux)" line in configure.ac.

bootstrap

@@ -478,11 +478,17 @@ rm -fr $bt $bt2 || exit
 # Reconfigure, getting other files.
 
 for command in \
+  libtool \
   'aclocal --force -I m4' \
   'autoconf --force' \
   'autoheader --force' \
   'automake --add-missing --copy --force-missing';
 do
+  if test "$command" = libtool; then
+    grep '^[	 ]*AM_PROG_LIBTOOL\>' configure.ac >/dev/null ||
+      continue
+    command='libtoolize -c -f'
+  fi
   echo "$0: $command ..."
   $command || exit
 done