diff --git a/.cvsignore b/.cvsignore
index b5aa3d1..e2bb577 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -30,3 +30,4 @@ mkinstalldirs
 build-stamp
 configure-stamp
 stamp-h1
+autom4te.cache
diff --git a/autogen.sh b/autogen.sh
index c89a0e7..3769154 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -37,6 +37,8 @@ for EACHDIR in $SUBDIRS ; do
     automake --foreign --add-missing || abort "automake"
     autoconf || abort "autoconf"
     (cd libltdl && aclocal) || abort "in libltdl, aclocal"
+    (cd libltdl && autoheader) || abort "in libltdl, autoheader"
+    (cd libltdl && automake --add-missing) || abort "in libltdl, automake"
     (cd libltdl && autoconf) || abort "in libltdl, autoconf"
 done