1 # SPDX-License-Identifier: GPL-2.0
2
3 hostprogs-always-y += genksyms
4
5 genksyms-objs := genksyms.o parse.tab.o lex.
6
7 # FIXME: fix the ambiguous grammar in parse.y
8 #
9 # Suppress shift/reduce, reduce/reduce conflic
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
29 # dependencies on generated files need to be l
30 $(obj)/lex.lex.o: $(obj)/parse.tab.h
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