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kbuild: add implicit rules for parser generation

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Cc: David Gibson <david@gibson.dropbear.id.au>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
This commit is contained in:
Arnaud Lacombe 2011-05-23 00:04:43 -04:00
parent e0318d85be
commit 7373f4f83c
1 changed files with 38 additions and 0 deletions
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38
scripts/Makefile.lib
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@ -160,6 +160,44 @@ ld_flags = $(LDFLAGS) $(ldflags-y)
modname-multi = $(sort $(foreach m,$(multi-used),\
$(if $(filter $(subst $(obj)/,,$*.o), $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=))))
ifdef REGENERATE_PARSERS
# GPERF
# ---------------------------------------------------------------------------
quiet_cmd_gperf = GPERF $@
cmd_gperf = gperf -t --output-file $@ -a -C -E -g -k 1,3,$$ -p -t $<
$(src)/%.hash.c_shipped: $(src)/%.gperf
$(call cmd,gperf)
# LEX
# ---------------------------------------------------------------------------
LEX_PREFIX = $(if $(LEX_PREFIX_${baseprereq}),$(LEX_PREFIX_${baseprereq}),yy)
quiet_cmd_flex = LEX $@
cmd_flex = flex -o$@ -L -P $(LEX_PREFIX) $<
$(src)/%.lex.c_shipped: $(src)/%.l
$(call cmd,flex)
# YACC
# ---------------------------------------------------------------------------
YACC_PREFIX = $(if $(YACC_PREFIX_${baseprereq}),$(YACC_PREFIX_${baseprereq}),yy)
quiet_cmd_bison = YACC $@
cmd_bison = bison -o$@ -t -l -p $(YACC_PREFIX) $<
$(src)/%.tab.c_shipped: $(src)/%.y
$(call cmd,bison)
quiet_cmd_bison_h = YACC $@
cmd_bison_h = bison -o/dev/null --defines=$@ -t -l -p $(YACC_PREFIX) $<
$(src)/%.tab.h_shipped: $(src)/%.y
$(call cmd,bison_h)
endif
# Shipped files
# ===========================================================================