diff options
author | Arnaud Lacombe <lacombar@gmail.com> | 2011-05-23 00:05:28 -0400 |
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committer | Arnaud Lacombe <lacombar@gmail.com> | 2011-06-09 14:04:41 -0400 |
commit | 880f4499bb4f6883095965bdd3b9237d927e24d8 (patch) | |
tree | 19f8b015b84e3a0294edfe3373df67e79386199d /scripts/genksyms/Makefile | |
parent | 6b19e7e49e6d4ce123c16a6b069916045cab9fa0 (diff) |
genksyms: migrate parser to implicit rules
Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
Diffstat (limited to 'scripts/genksyms/Makefile')
-rw-r--r-- | scripts/genksyms/Makefile | 46 |
1 files changed, 3 insertions, 43 deletions
diff --git a/scripts/genksyms/Makefile b/scripts/genksyms/Makefile index 5cdba24b141..a5510903e87 100644 --- a/scripts/genksyms/Makefile +++ b/scripts/genksyms/Makefile | |||
@@ -2,52 +2,12 @@ | |||
2 | hostprogs-y := genksyms | 2 | hostprogs-y := genksyms |
3 | always := $(hostprogs-y) | 3 | always := $(hostprogs-y) |
4 | 4 | ||
5 | genksyms-objs := genksyms.o parse.o lex.o | 5 | genksyms-objs := genksyms.o parse.tab.o lex.lex.o |
6 | 6 | ||
7 | # -I needed for generated C source (shipped source) | 7 | # -I needed for generated C source (shipped source) |
8 | HOSTCFLAGS_parse.tab.o := -I$(src) | 8 | HOSTCFLAGS_parse.tab.o := -I$(src) |
9 | HOSTCFLAGS_lex.lex.o := -I$(src) | ||
9 | 10 | ||
10 | # dependencies on generated files need to be listed explicitly | 11 | # dependencies on generated files need to be listed explicitly |
11 | $(obj)/lex.o: $(obj)/parse.h $(obj)/keywords.c | 12 | $(obj)/lex.lex.o: $(obj)/keywords.hash.c $(obj)/parse.tab.h |
12 | 13 | ||
13 | # -I needed for generated C source (shipped source) | ||
14 | HOSTCFLAGS_lex.o := -I$(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 | cp $@ $@_shipped | ||
27 | |||
28 | # flex | ||
29 | |||
30 | quiet_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 | |||
39 | quiet_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 | |||
49 | clean-files += parse.output | ||
50 | |||
51 | endif | ||
52 | |||
53 | targets += keywords.c lex.c parse.c parse.h | ||