README file

diff --git a/examples/Makefile.in b/examples/Makefile.in
index c2a3b94..7aad746 100644
--- a/examples/Makefile.in
+++ b/examples/Makefile.in
@@ -174,6 +174,7 @@
 	rfc3280-PKIX1Implicit88.asn1
 
 EXTRA_DIST = rfc*.txt				\
+	sample.source.PKIX1/README		\
 	sample.source.PKIX1/x509dump.c		\
 	sample.source.PKIX1/config.h		\
 	sample.source.PKIX1/Makefile		\
@@ -310,7 +311,7 @@
 	@echo "it deletes files that may require special tools to rebuild."
 clean: clean-am
 
-clean-am: clean-generic clean-libtool mostlyclean-am
+clean-am: clean-generic clean-libtool clean-local mostlyclean-am
 
 distclean: distclean-am
 	-rm -f Makefile
@@ -355,15 +356,15 @@
 uninstall-am: uninstall-dist_binSCRIPTS uninstall-info-am
 
 .PHONY: all all-am check check-am clean clean-generic clean-libtool \
-	distclean distclean-generic distclean-libtool distdir dvi \
-	dvi-am html html-am info info-am install install-am \
-	install-data install-data-am install-dist_binSCRIPTS \
-	install-exec install-exec-am install-info install-info-am \
-	install-man install-strip installcheck installcheck-am \
-	installdirs maintainer-clean maintainer-clean-generic \
-	mostlyclean mostlyclean-generic mostlyclean-libtool pdf pdf-am \
-	ps ps-am uninstall uninstall-am uninstall-dist_binSCRIPTS \
-	uninstall-info-am
+	clean-local distclean distclean-generic distclean-libtool \
+	distdir dvi dvi-am html html-am info info-am install \
+	install-am install-data install-data-am \
+	install-dist_binSCRIPTS install-exec install-exec-am \
+	install-info install-info-am install-man install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am uninstall uninstall-am \
+	uninstall-dist_binSCRIPTS uninstall-info-am
 
 
 all: $(ASN1_FILES_0) $(ASN1_FILES_1)
@@ -373,6 +374,9 @@
 
 $(ASN1_FILES_1): crfc2asn1.pl $(ASN1_SOURCE_1)
 	./crfc2asn1.pl $(ASN1_SOURCE_1)
+
+clean-local:
+	cd sample.source.PKIX1 && make distclean
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
 .NOEXPORT: