lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o \
lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
-clean-files := zconf.tab.c lex.zconf.c zconf.hash.c
+clean-files := zconf.tab.c zconf.lex.c zconf.hash.c
# Remove qconf junk files
clean-files += $(qconf-cxxobjs) qconf.moc .tmp_qtcheck qconf
kconfig_load.o: lkc_defs.h
-zconf.tab.c: zconf.y
-zconf.lex.c: zconf.l
-zconf.hash.c: zconf.gperf
+zconf.tab.c: zconf.y $(wildcard zconf.tab.c_shipped)
+zconf.lex.c: zconf.l $(wildcard zconf.lex.c_shipped)
+zconf.hash.c: zconf.gperf $(wildcard zconf.hash.c_shipped)
%.tab.c: %.y
cp $@_shipped $@ || bison -l -b $* -p $(notdir $*) $<