Clean autom4te.cache.

diff --git a/.cvsignore b/.cvsignore
index 859b105..38068e2 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -1,5 +1,6 @@
 Make.rules
 Makefile
+autom4te.cache
 config.cache
 config.log
 config.status
diff --git a/Makefile.in b/Makefile.in
index 53f560e..ef3d6e6 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -185,6 +185,7 @@
 
 distclean: clean
 	$(RM) config.* TAGS Make.rules dlls/Makedll.rules programs/Makeprog.rules include/config.h
+	$(RM) -r autom4te.cache
 	$(RM) `find . \( -name Makefile -o -size 0 \) -print`
 
 ### Dependencies: