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authorKim Kibum <kb0929.kim@samsung.com>2012-04-29 16:59:19 +0900
committerKim Kibum <kb0929.kim@samsung.com>2012-04-29 16:59:19 +0900
commitc1775d1a93a77a57380a4ce87ac3a8f807c944b2 (patch)
treee1f233f2af38ee247a677082198dd3a69a12a5a1 /scripts/genksyms/Makefile
parent2c2dcd5ffef2e97176e6a55e45512177e55e6fb9 (diff)
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Diffstat (limited to 'scripts/genksyms/Makefile')
-rw-r--r--scripts/genksyms/Makefile53
1 files changed, 53 insertions, 0 deletions
diff --git a/scripts/genksyms/Makefile b/scripts/genksyms/Makefile
new file mode 100644
index 00000000..e420fe44
--- /dev/null
+++ b/scripts/genksyms/Makefile
@@ -0,0 +1,53 @@
+
+hostprogs-y := genksyms
+always := $(hostprogs-y)
+
+genksyms-objs := genksyms.o parse.o lex.o
+
+# -I needed for generated C source (shipped source)
+HOSTCFLAGS_parse.o := -Wno-uninitialized -I$(src)
+
+# dependencies on generated files need to be listed explicitly
+$(obj)/lex.o: $(obj)/parse.h $(obj)/keywords.c
+
+# -I needed for generated C source (shipped source)
+HOSTCFLAGS_lex.o := -I$(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 $< $(obj)/parse.h
+
+$(obj)/lex.c: $(obj)/lex.l $(obj)/parse.h $(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