diff --git a/lib/com_err/Makefile.am b/lib/com_err/Makefile.am
index e0da6c39b..52ff5b556 100644
--- a/lib/com_err/Makefile.am
+++ b/lib/com_err/Makefile.am
@@ -1,11 +1,14 @@
 # $Id$
 
-AUTOMAKE_OPTIONS = no-dependencies
+AUTOMAKE_OPTIONS = no-dependencies foreign
 
 INCLUDES = -I$(top_builddir)/include -I$(srcdir)/.. -I$(srcdir)
 
 lib_LIBRARIES = liberror.a
 
+CLEAN_FILES = asn1_err.c asn1_err.h hdb_err.c hdb_err.h \
+	krb5_err.c krb5_err.h compile_et
+
 liberror_a_SOURCES = krb5_err.c asn1_err.c hdb_err.c error.c 
 
 %.c: %.et
diff --git a/lib/error/Makefile.am b/lib/error/Makefile.am
index e0da6c39b..52ff5b556 100644
--- a/lib/error/Makefile.am
+++ b/lib/error/Makefile.am
@@ -1,11 +1,14 @@
 # $Id$
 
-AUTOMAKE_OPTIONS = no-dependencies
+AUTOMAKE_OPTIONS = no-dependencies foreign
 
 INCLUDES = -I$(top_builddir)/include -I$(srcdir)/.. -I$(srcdir)
 
 lib_LIBRARIES = liberror.a
 
+CLEAN_FILES = asn1_err.c asn1_err.h hdb_err.c hdb_err.h \
+	krb5_err.c krb5_err.h compile_et
+
 liberror_a_SOURCES = krb5_err.c asn1_err.c hdb_err.c error.c 
 
 %.c: %.et
diff --git a/lib/krb5/error/Makefile.am b/lib/krb5/error/Makefile.am
index e0da6c39b..52ff5b556 100644
--- a/lib/krb5/error/Makefile.am
+++ b/lib/krb5/error/Makefile.am
@@ -1,11 +1,14 @@
 # $Id$
 
-AUTOMAKE_OPTIONS = no-dependencies
+AUTOMAKE_OPTIONS = no-dependencies foreign
 
 INCLUDES = -I$(top_builddir)/include -I$(srcdir)/.. -I$(srcdir)
 
 lib_LIBRARIES = liberror.a
 
+CLEAN_FILES = asn1_err.c asn1_err.h hdb_err.c hdb_err.h \
+	krb5_err.c krb5_err.h compile_et
+
 liberror_a_SOURCES = krb5_err.c asn1_err.c hdb_err.c error.c 
 
 %.c: %.et