1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun 3*4882a593Smuzhiyunhostprogs-always-y += genksyms 4*4882a593Smuzhiyun 5*4882a593Smuzhiyungenksyms-objs := genksyms.o parse.tab.o lex.lex.o 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun# FIXME: fix the ambiguous grammar in parse.y and delete this hack 8*4882a593Smuzhiyun# 9*4882a593Smuzhiyun# Suppress shift/reduce, reduce/reduce conflicts warnings 10*4882a593Smuzhiyun# unless W=1 is specified. 11*4882a593Smuzhiyun# 12*4882a593Smuzhiyun# Just in case, run "$(YACC) --version" without suppressing stderr 13*4882a593Smuzhiyun# so that 'bison: not found' will be displayed if it is missing. 14*4882a593Smuzhiyunifeq ($(findstring 1,$(KBUILD_EXTRA_WARN)),) 15*4882a593Smuzhiyun 16*4882a593Smuzhiyunquiet_cmd_bison_no_warn = $(quiet_cmd_bison) 17*4882a593Smuzhiyun cmd_bison_no_warn = $(YACC) --version >/dev/null; \ 18*4882a593Smuzhiyun $(cmd_bison) 2>/dev/null 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun$(obj)/pars%.tab.c $(obj)/pars%.tab.h: $(src)/pars%.y FORCE 21*4882a593Smuzhiyun $(call if_changed,bison_no_warn) 22*4882a593Smuzhiyun 23*4882a593Smuzhiyunendif 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun# -I needed for generated C source (shipped source) 26*4882a593SmuzhiyunHOSTCFLAGS_parse.tab.o := -I $(srctree)/$(src) 27*4882a593SmuzhiyunHOSTCFLAGS_lex.lex.o := -I $(srctree)/$(src) 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun# dependencies on generated files need to be listed explicitly 30*4882a593Smuzhiyun$(obj)/lex.lex.o: $(obj)/parse.tab.h 31