Commit | Line | Data |
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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 |