--- automake-1.7.9-orig/tests/libtool5.test
+++ automake-1.7.9/tests/libtool5.test
@@ -45,5 +45,9 @@ endif
 END
 
 libtoolize
+# for libtool-2 (bug #257544)
+if [ ! -e config.guess ]; then
+    libtoolize --install
+fi
 $ACLOCAL
 $AUTOMAKE
--- automake-1.7.9-orig/tests/ltcond2.test
+++ automake-1.7.9/tests/ltcond2.test
@@ -73,6 +73,10 @@ END
 echo 'int main() { print(); return 0; }' >main.c
 
 libtoolize
+# for libtool-2 (bug #257544)
+if [ ! -e config.guess ]; then
+    libtoolize --install
+fi
 $ACLOCAL
 $AUTOCONF
 $AUTOMAKE
--- automake-1.7.9-orig/tests/ltcond.test
+++ automake-1.7.9/tests/ltcond.test
@@ -62,6 +62,10 @@ echo 'int two () { return 2; }' >bar.c
 mkdir empty
 
 libtoolize
+# for libtool-2 (bug #257544)
+if [ ! -e config.guess ]; then
+    libtoolize --install
+fi
 $ACLOCAL
 $AUTOCONF
 $AUTOMAKE
--- automake-1.7.9-orig/tests/ltconv.test
+++ automake-1.7.9/tests/ltconv.test
@@ -111,6 +111,10 @@ int main ()
 EOF
 
 libtoolize
+# for libtool-2 (bug #257544)
+if [ ! -e config.guess ]; then
+    libtoolize --install
+fi
 $ACLOCAL
 $AUTOCONF
 $AUTOMAKE