--- /dev/null
+The obsolete patch tries to clear "BUILT_SOURCE"
+
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+***************
+*** 157,163 ****
+ bin_PROGRAMS = ntpdc
+ EXTRA_PROGRAMS = ntpdc-layout
+ EXTRA_DATA = check-layout
+- BUILT_SOURCES = maybe-layout
+ INCLUDES = -I$(top_srcdir)/include
+ # LDADD might need RESLIB and ADJLIB
+ ntpdc_LDADD = version.o ../libntp/libntp.a @READLINE_LIBS@
+--- 157,163 ----
+ bin_PROGRAMS = ntpdc
+ EXTRA_PROGRAMS = ntpdc-layout
+ EXTRA_DATA = check-layout
++ BUILT_SOURCES =
+ INCLUDES = -I$(top_srcdir)/include
+ # LDADD might need RESLIB and ADJLIB
+ ntpdc_LDADD = version.o ../libntp/libntp.a @READLINE_LIBS@
+------------------------------------------------------------
+The current tarball contains a lot more:
+
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+AUTOMAKE_OPTIONS = ../util/ansi2knr
+EXTRA_DATA = check-layout
+BUILT_SOURCES = @MAKE_CHECK_LAYOUT@ ntpdc-opts.c ntpdc-opts.h ntpdc.1 \
+ ntpdc-opts.texi ntpdc-opts.menu
+AM_CPPFLAGS = -I$(top_srcdir)/include $(LIBOPTS_CFLAGS)
+# LDADD might need RESLIB and ADJLIB
+------------------------------------------------------------
+
+Do we need to remove "@MAKE_CHECK_LAYOUT@" in a new patch?
+++ /dev/null
---- ntp/ntpdc/Makefile.in
-+++ ntp/ntpdc/Makefile.in
-@@ -157,7 +157,7 @@
- bin_PROGRAMS = ntpdc
- EXTRA_PROGRAMS = ntpdc-layout
- EXTRA_DATA = check-layout
--BUILT_SOURCES = maybe-layout
-+BUILT_SOURCES =
- INCLUDES = -I$(top_srcdir)/include
- # LDADD might need RESLIB and ADJLIB
- ntpdc_LDADD = version.o ../libntp/libntp.a @READLINE_LIBS@