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1# SPDX-License-Identifier: GPL-2.0
2
3hostprogs-y := genksyms
4always := $(hostprogs-y)
5
6genksyms-objs := genksyms.o parse.tab.o lex.lex.o
7
8# FIXME: fix the ambiguous grammar in parse.y and delete this hack
9#
10# Suppress shift/reduce, reduce/reduce conflicts warnings
11# unless W=1 is specified.
12#
13# Just in case, run "$(YACC) --version" without suppressing stderr
14# so that 'bison: not found' will be displayed if it is missing.
15ifeq ($(findstring 1,$(KBUILD_ENABLE_EXTRA_GCC_CHECKS)),)
16
17quiet_cmd_bison_no_warn = $(quiet_cmd_bison)
18 cmd_bison_no_warn = $(YACC) --version >/dev/null; \
19 $(cmd_bison) 2>/dev/null
20
21$(obj)/parse.tab.c: $(src)/parse.y FORCE
22 $(call if_changed,bison_no_warn)
23
24quiet_cmd_bison_h_no_warn = $(quiet_cmd_bison_h)
25 cmd_bison_h_no_warn = $(YACC) --version >/dev/null; \
26 $(cmd_bison_h) 2>/dev/null
27
28$(obj)/parse.tab.h: $(src)/parse.y FORCE
29 $(call if_changed,bison_h_no_warn)
30
31endif
32
33# -I needed for generated C source (shipped source)
34HOSTCFLAGS_parse.tab.o := -I$(src)
35HOSTCFLAGS_lex.lex.o := -I$(src)
36
37# dependencies on generated files need to be listed explicitly
38$(obj)/lex.lex.o: $(obj)/parse.tab.h
1# SPDX-License-Identifier: GPL-2.0
2
3hostprogs-always-y += genksyms
4
5genksyms-objs := genksyms.o parse.tab.o lex.lex.o
6
7# FIXME: fix the ambiguous grammar in parse.y and delete this hack
8#
9# Suppress shift/reduce, reduce/reduce conflicts warnings
10# unless W=1 is specified.
11#
12# Just in case, run "$(YACC) --version" without suppressing stderr
13# so that 'bison: not found' will be displayed if it is missing.
14ifeq ($(findstring 1,$(KBUILD_EXTRA_WARN)),)
15
16quiet_cmd_bison_no_warn = $(quiet_cmd_bison)
17 cmd_bison_no_warn = $(YACC) --version >/dev/null; \
18 $(cmd_bison) 2>/dev/null
19
20$(obj)/pars%.tab.c $(obj)/pars%.tab.h: $(src)/pars%.y FORCE
21 $(call if_changed,bison_no_warn)
22
23endif
24
25# -I needed for generated C source to include headers in source tree
26HOSTCFLAGS_parse.tab.o := -I $(srctree)/$(src)
27HOSTCFLAGS_lex.lex.o := -I $(srctree)/$(src)
28
29# dependencies on generated files need to be listed explicitly
30$(obj)/lex.lex.o: $(obj)/parse.tab.h