1 # SPDX-License-Identifier: GPL-2.0 <<
2 1
3 hostprogs-always-y += genksyms !! 2 hostprogs-y := genksyms
>> 3 always := $(hostprogs-y)
4 4
5 genksyms-objs := genksyms.o parse.tab.o lex. 5 genksyms-objs := genksyms.o parse.tab.o lex.lex.o
6 6
7 # FIXME: fix the ambiguous grammar in parse.y !! 7 # -I needed for generated C source (shipped source)
8 # !! 8 HOSTCFLAGS_parse.tab.o := -I$(src)
9 # Suppress shift/reduce, reduce/reduce conflic !! 9 HOSTCFLAGS_lex.lex.o := -I$(src)
10 # unless W=1 is specified. <<
11 # <<
12 # Just in case, run "$(YACC) --version" withou <<
13 # so that 'bison: not found' will be displayed <<
14 ifeq ($(findstring 1,$(KBUILD_EXTRA_WARN)),) <<
15 <<
16 quiet_cmd_bison_no_warn = $(quiet_cmd_bison) <<
17 cmd_bison_no_warn = $(YACC) --version >/ <<
18 $(cmd_bison) 2>/dev/ <<
19 <<
20 $(obj)/pars%.tab.c $(obj)/pars%.tab.h: $(src)/ <<
21 $(call if_changed,bison_no_warn) <<
22 <<
23 endif <<
24 <<
25 # -I needed for generated C source to include <<
26 HOSTCFLAGS_parse.tab.o := -I $(src) <<
27 HOSTCFLAGS_lex.lex.o := -I $(src) <<
28 10
29 # dependencies on generated files need to be l 11 # dependencies on generated files need to be listed explicitly
30 $(obj)/lex.lex.o: $(obj)/parse.tab.h !! 12 $(obj)/lex.lex.o: $(obj)/keywords.hash.c $(obj)/parse.tab.h
>> 13
>> 14 clean-files := keywords.hash.c lex.lex.c parse.tab.c parse.tab.h
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