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 27# flex 28 29quiet_cmd_lex.c = FLEX $@ 30 cmd_lex.c = flex -o$@ -d $(filter-out FORCE,$^) 31 32$(obj)/lex.c: $(obj)/lex.l $(obj)/parse.h FORCE 33 $(call if_changed,lex.c) 34 35# bison 36 37quiet_cmd_parse.c = BISON $@ 38 cmd_parse.c = bison -o$@ -dtv $(filter-out FORCE,$^) 39 40$(obj)/parse.c: $(obj)/parse.y FORCE 41 $(call if_changed,parse.c) 42 43$(obj)/parse.h: $(obj)/parse.c ; 44 45clean-files += parse.output 46 47endif 48 49targets += keywords.c lex.c parse.c parse.h 50