buildroot/package/ntp/ntp-cross-compile.patch

--- 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@