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