add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/scripts/genksyms/Makefile
..
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@@ -1,7 +1,6 @@
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 # SPDX-License-Identifier: GPL-2.0
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-hostprogs-y	:= genksyms
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-always		:= $(hostprogs-y)
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+hostprogs-always-y	+= genksyms
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 genksyms-objs	:= genksyms.o parse.tab.o lex.lex.o
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..
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@@ -12,27 +11,20 @@
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 #
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 # Just in case, run "$(YACC) --version" without suppressing stderr
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 # so that 'bison: not found' will be displayed if it is missing.
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-ifeq ($(findstring 1,$(KBUILD_ENABLE_EXTRA_GCC_CHECKS)),)
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+ifeq ($(findstring 1,$(KBUILD_EXTRA_WARN)),)
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 quiet_cmd_bison_no_warn = $(quiet_cmd_bison)
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       cmd_bison_no_warn = $(YACC) --version >/dev/null; \
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 			  $(cmd_bison) 2>/dev/null
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-$(obj)/parse.tab.c: $(src)/parse.y FORCE
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+$(obj)/pars%.tab.c $(obj)/pars%.tab.h: $(src)/pars%.y FORCE
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 	$(call if_changed,bison_no_warn)
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-
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-quiet_cmd_bison_h_no_warn = $(quiet_cmd_bison_h)
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-      cmd_bison_h_no_warn = $(YACC) --version >/dev/null; \
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-			    $(cmd_bison_h) 2>/dev/null
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-
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-$(obj)/parse.tab.h: $(src)/parse.y FORCE
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-	$(call if_changed,bison_h_no_warn)
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 endif
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 # -I needed for generated C source (shipped source)
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-HOSTCFLAGS_parse.tab.o := -I$(src)
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-HOSTCFLAGS_lex.lex.o := -I$(src)
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+HOSTCFLAGS_parse.tab.o := -I $(srctree)/$(src)
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+HOSTCFLAGS_lex.lex.o := -I $(srctree)/$(src)
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 # dependencies on generated files need to be listed explicitly
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 $(obj)/lex.lex.o: $(obj)/parse.tab.h