Commit | Line | Data |
---|---|---|
b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
1da177e4 LT |
2 | |
3 | hostprogs-y := genksyms | |
4 | always := $(hostprogs-y) | |
5 | ||
880f4499 | 6 | genksyms-objs := genksyms.o parse.tab.o lex.lex.o |
1da177e4 | 7 | |
833e6224 MY |
8 | # FIXME: fix the ambiguous grammar in parse.y and delete this hack |
9 | # | |
10 | # Suppress shift/reduce, reduce/reduce conflicts warnings | |
11 | # unless W=1 is specified. | |
12 | # | |
13 | # Just in case, run "$(YACC) --version" without suppressing stderr | |
14 | # so that 'bison: not found' will be displayed if it is missing. | |
15 | ifeq ($(findstring 1,$(KBUILD_ENABLE_EXTRA_GCC_CHECKS)),) | |
16 | ||
0da7e432 | 17 | quiet_cmd_bison_no_warn = $(quiet_cmd_bison) |
833e6224 MY |
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 | ||
0da7e432 | 24 | quiet_cmd_bison_h_no_warn = $(quiet_cmd_bison_h) |
833e6224 MY |
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 | ||
31 | endif | |
32 | ||
1da177e4 | 33 | # -I needed for generated C source (shipped source) |
9cc342f6 MY |
34 | HOSTCFLAGS_parse.tab.o := -I $(srctree)/$(src) |
35 | HOSTCFLAGS_lex.lex.o := -I $(srctree)/$(src) | |
1da177e4 LT |
36 | |
37 | # dependencies on generated files need to be listed explicitly | |
bb3290d9 | 38 | $(obj)/lex.lex.o: $(obj)/parse.tab.h |