blob: 5875f29a86025a35be4f7ab18dc545adbcdd4b76 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001
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