projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | |
| 2 | hostprogs-y := genksyms | |
| 3 | always := $(hostprogs-y) | |
| 4 | ||
| 5 | genksyms-objs := genksyms.o parse.o lex.o | |
| 6 | ||
| 7 | # -I needed for generated C source (shipped source) | |
| 8 | HOSTCFLAGS_parse.o := -Wno-uninitialized -I$(src) | |
| 9 | ||
| 10 | # dependencies on generated files need to be listed explicitly | |
| 11 | $(obj)/lex.o: $(obj)/parse.h $(obj)/keywords.c | |
| 12 | ||
| 13 | # -I needed for generated C source (shipped source) | |
| 14 | HOSTCFLAGS_lex.o := -I$(src) | |
| 15 | ||
| 16 | ifdef GENERATE_PARSER | |
| 17 | ||
| 18 | # gperf | |
| 19 | ||
| 20 | quiet_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 | ||
| 29 | quiet_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 | ||
| 37 | quiet_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 | ||
| 45 | clean-files += parse.output | |
| 46 | ||
| 47 | endif | |
| 48 | ||
| 49 | targets += keywords.c lex.c parse.c parse.h |