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Commit | Line | Data |
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1da177e4 LT |
1 | hostprogs-y := modpost mk_elfconfig |
2 | always := $(hostprogs-y) empty.o | |
3 | ||
4 | modpost-objs := modpost.o file2alias.o sumversion.o | |
5 | ||
6543becf AS |
6 | devicetable-offsets-file := devicetable-offsets.h |
7 | ||
8 | define sed-y | |
9 | "/^->/{s:->#\(.*\):/* \1 */:; \ | |
10 | s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \ | |
11 | s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \ | |
12 | s:->::; p;}" | |
13 | endef | |
14 | ||
15 | quiet_cmd_offsets = GEN $@ | |
16 | define cmd_offsets | |
17 | (set -e; \ | |
18 | echo "#ifndef __DEVICEVTABLE_OFFSETS_H__"; \ | |
19 | echo "#define __DEVICEVTABLE_OFFSETS_H__"; \ | |
20 | echo "/*"; \ | |
21 | echo " * DO NOT MODIFY."; \ | |
22 | echo " *"; \ | |
23 | echo " * This file was generated by Kbuild"; \ | |
24 | echo " *"; \ | |
25 | echo " */"; \ | |
26 | echo ""; \ | |
27 | sed -ne $(sed-y) $<; \ | |
28 | echo ""; \ | |
29 | echo "#endif" ) > $@ | |
30 | endef | |
31 | ||
32 | # We use internal kbuild rules to avoid the "is up to date" message from make | |
33 | scripts/mod/devicetable-offsets.s: scripts/mod/devicetable-offsets.c FORCE | |
34 | $(Q)mkdir -p $(dir $@) | |
35 | $(call if_changed_dep,cc_s_c) | |
36 | ||
37 | $(obj)/$(devicetable-offsets-file): scripts/mod/devicetable-offsets.s | |
38 | $(call cmd,offsets) | |
39 | ||
1da177e4 LT |
40 | # dependencies on generated files need to be listed explicitly |
41 | ||
42 | $(obj)/modpost.o $(obj)/file2alias.o $(obj)/sumversion.o: $(obj)/elfconfig.h | |
6543becf | 43 | $(obj)/file2alias.o: $(obj)/$(devicetable-offsets-file) |
1da177e4 LT |
44 | |
45 | quiet_cmd_elfconfig = MKELF $@ | |
9e1b9b80 | 46 | cmd_elfconfig = $(obj)/mk_elfconfig < $< > $@ |
1da177e4 LT |
47 | |
48 | $(obj)/elfconfig.h: $(obj)/empty.o $(obj)/mk_elfconfig FORCE | |
49 | $(call if_changed,elfconfig) | |
50 | ||
51 | targets += elfconfig.h |