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authorArnaud Lacombe <lacombar@gmail.com>2011-05-23 00:05:28 -0400
committerArnaud Lacombe <lacombar@gmail.com>2011-06-09 14:04:41 -0400
commit880f4499bb4f6883095965bdd3b9237d927e24d8 (patch)
tree19f8b015b84e3a0294edfe3373df67e79386199d /scripts/genksyms/Makefile
parent6b19e7e49e6d4ce123c16a6b069916045cab9fa0 (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/Makefile46
1 files changed, 3 insertions, 43 deletions
diff --git a/scripts/genksyms/Makefile b/scripts/genksyms/Makefile
index 5cdba24b1412..a5510903e874 100644
--- a/scripts/genksyms/Makefile
+++ b/scripts/genksyms/Makefile
@@ -2,52 +2,12 @@
hostprogs-y := genksyms
always := $(hostprogs-y)
-genksyms-objs := genksyms.o parse.o lex.o
+genksyms-objs := genksyms.o parse.tab.o lex.lex.o
# -I needed for generated C source (shipped source)
HOSTCFLAGS_parse.tab.o := -I$(src)
+HOSTCFLAGS_lex.lex.o := -I$(src)
# dependencies on generated files need to be listed explicitly
-$(obj)/lex.o: $(obj)/parse.h $(obj)/keywords.c
+$(obj)/lex.lex.o: $(obj)/keywords.hash.c $(obj)/parse.tab.h
-# -I needed for generated C source (shipped source)
-HOSTCFLAGS_lex.o := -I$(src)
-
-ifdef GENERATE_PARSER
-
-# gperf
-
-quiet_cmd_keywords.c = GPERF $@
- cmd_keywords.c = gperf -L ANSI-C -a -C -E -g -H is_reserved_hash \
- -k 1,3,$$ -N is_reserved_word -p -t $< > $@
-
-$(obj)/keywords.c: $(obj)/keywords.gperf FORCE
- $(call if_changed,keywords.c)
- cp $@ $@_shipped
-
-# flex
-
-quiet_cmd_lex.c = FLEX $@
- cmd_lex.c = flex -o$@ -d $<
-
-$(obj)/lex.c: $(obj)/lex.l $(obj)/keywords.c FORCE
- $(call if_changed,lex.c)
- cp $@ $@_shipped
-
-# bison
-
-quiet_cmd_parse.c = BISON $@
- cmd_parse.c = bison -o$@ -dtv $(filter-out FORCE,$^)
-
-$(obj)/parse.c: $(obj)/parse.y FORCE
- $(call if_changed,parse.c)
- cp $@ $@_shipped
- cp $(@:.c=.h) $(@:.c=.h)_shipped
-
-$(obj)/parse.h: $(obj)/parse.c ;
-
-clean-files += parse.output
-
-endif
-
-targets += keywords.c lex.c parse.c parse.h