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# SPDX-License-Identifier: GPL-2.0
hostprogs-y := genksyms
always := $(hostprogs-y)
genksyms-objs := genksyms.o parse.tab.o lex.lex.o
# FIXME: fix the ambiguous grammar in parse.y and delete this hack
#
# Suppress shift/reduce, reduce/reduce conflicts warnings
# unless W=1 is specified.
#
# Just in case, run "$(YACC) --version" without suppressing stderr
# so that 'bison: not found' will be displayed if it is missing.
ifeq ($(findstring 1,$(KBUILD_ENABLE_EXTRA_GCC_CHECKS)),)
quiet_cmd_bison_no_warn = $(quiet_cmd_bison)
cmd_bison_no_warn = $(YACC) --version >/dev/null; \
$(cmd_bison) 2>/dev/null
$(obj)/parse.tab.c: $(src)/parse.y FORCE
$(call if_changed,bison_no_warn)
quiet_cmd_bison_h_no_warn = $(quiet_cmd_bison_h)
cmd_bison_h_no_warn = $(YACC) --version >/dev/null; \
$(cmd_bison_h) 2>/dev/null
$(obj)/parse.tab.h: $(src)/parse.y FORCE
$(call if_changed,bison_h_no_warn)
endif
# -I needed for generated C source (shipped source)
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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