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