blob: 9415b5663364c6cb5ce5b934be952de8a34ed3b0 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001hostprogs-y := modpost mk_elfconfig
2always := $(hostprogs-y) empty.o
3
4modpost-objs := modpost.o file2alias.o sumversion.o
5
Andreas Schwab6543bec2013-01-20 17:58:47 +01006devicetable-offsets-file := devicetable-offsets.h
7
8define sed-y
9 "/^->/{s:->#\(.*\):/* \1 */:; \
10 s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \
11 s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \
12 s:->::; p;}"
13endef
14
15quiet_cmd_offsets = GEN $@
16define 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" ) > $@
30endef
31
32# We use internal kbuild rules to avoid the "is up to date" message from make
33scripts/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 $(call cmd,offsets)
39
Linus Torvalds1da177e2005-04-16 15:20:36 -070040# dependencies on generated files need to be listed explicitly
41
42$(obj)/modpost.o $(obj)/file2alias.o $(obj)/sumversion.o: $(obj)/elfconfig.h
Andreas Schwab6543bec2013-01-20 17:58:47 +010043$(obj)/file2alias.o: $(obj)/$(devicetable-offsets-file)
Linus Torvalds1da177e2005-04-16 15:20:36 -070044
45quiet_cmd_elfconfig = MKELF $@
Alan Jenkins9e1b9b82009-11-07 21:03:54 +000046 cmd_elfconfig = $(obj)/mk_elfconfig < $< > $@
Linus Torvalds1da177e2005-04-16 15:20:36 -070047
48$(obj)/elfconfig.h: $(obj)/empty.o $(obj)/mk_elfconfig FORCE
49 $(call if_changed,elfconfig)
50
51targets += elfconfig.h