# already
# $(modname_flags) #defines KBUILD_MODNAME as the name of the module it will
# end up in (or would, if it gets compiled in)
-# Note: It's possible that one object gets potentially linked into more
-# than one module. In that case KBUILD_MODNAME will be set to foo_bar,
-# where foo and bar are the name of the modules.
+# Note: Files that end up in two or more modules are compiled without the
+# KBUILD_MODNAME definition. The reason is that any made-up name would
+# differ in different configs.
name-fix = $(subst $(comma),_,$(subst -,_,$1))
basename_flags = -D"KBUILD_BASENAME=KBUILD_STR($(call name-fix,$(basetarget)))"
modname_flags = $(if $(filter 1,$(words $(modname))),\
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 $<
+
+.PRECIOUS: $(src)/%.hash.c_shipped
+$(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) $<
+
+.PRECIOUS: $(src)/%.lex.c_shipped
+$(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) $<
+
+.PRECIOUS: $(src)/%.tab.c_shipped
+$(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) $<
+
+.PRECIOUS: $(src)/%.tab.h_shipped
+$(src)/%.tab.h_shipped: $(src)/%.y
+ $(call cmd,bison_h)
+
+endif
+
# Shipped files
# ===========================================================================
quiet_cmd_shipped = SHIPPED $@
cmd_shipped = cat $< > $@
-$(obj)/%:: $(src)/%_shipped
+$(obj)/%: $(src)/%_shipped
$(call cmd,shipped)
# Commands useful for building a boot image