1 2hostprogs-y := genksyms 3always := $(hostprogs-y) 4 5genksyms-objs := genksyms.o parse.o lex.o 6 7# -I needed for generated C source (shipped source) 8HOSTCFLAGS_parse.o := -Wno-uninitialized -I$(src) 9 10# dependencies on generated files need to be listed explicitly 11$(obj)/lex.o: $(obj)/parse.h $(obj)/keywords.c 12 13# -I needed for generated C source (shipped source) 14HOSTCFLAGS_lex.o := -I$(src) 15 16ifdef GENERATE_PARSER 17 18# gperf 19 20quiet_cmd_keywords.c = GPERF $@ 21 cmd_keywords.c = gperf -L ANSI-C -a -C -E -g -H is_reserved_hash \ 22 -k 1,3,$$ -N is_reserved_word -p -t $< > $@ 23 24$(obj)/keywords.c: $(obj)/keywords.gperf FORCE 25 $(call if_changed,keywords.c) 26 cp $@ $@_shipped 27 28# flex 29 30quiet_cmd_lex.c = FLEX $@ 31 cmd_lex.c = flex -o$@ -d $< 32 33$(obj)/lex.c: $(obj)/lex.l $(obj)/keywords.c FORCE 34 $(call if_changed,lex.c) 35 cp $@ $@_shipped 36 37# bison 38 39quiet_cmd_parse.c = BISON $@ 40 cmd_parse.c = bison -o$@ -dtv $(filter-out FORCE,$^) 41 42$(obj)/parse.c: $(obj)/parse.y FORCE 43 $(call if_changed,parse.c) 44 cp $@ $@_shipped 45 cp $(@:.c=.h) $(@:.c=.h)_shipped 46 47$(obj)/parse.h: $(obj)/parse.c ; 48 49clean-files += parse.output 50 51endif 52 53targets += keywords.c lex.c parse.c parse.h 54