Makefile (f43dc23d5ea91fca257be02138a255f02d98e806) Makefile (3ebe12439ba7fc62e1d6ecb569b7287771716ca1)
1#
2# kbuild file for usr/ - including initramfs image
3#
4
5klibcdirs:;
6PHONY += klibcdirs
7
8
9# Gzip
10suffix_$(CONFIG_INITRAMFS_COMPRESSION_GZIP) = .gz
11
12# Bzip2
13suffix_$(CONFIG_INITRAMFS_COMPRESSION_BZIP2) = .bz2
14
15# Lzma
16suffix_$(CONFIG_INITRAMFS_COMPRESSION_LZMA) = .lzma
17
1#
2# kbuild file for usr/ - including initramfs image
3#
4
5klibcdirs:;
6PHONY += klibcdirs
7
8
9# Gzip
10suffix_$(CONFIG_INITRAMFS_COMPRESSION_GZIP) = .gz
11
12# Bzip2
13suffix_$(CONFIG_INITRAMFS_COMPRESSION_BZIP2) = .bz2
14
15# Lzma
16suffix_$(CONFIG_INITRAMFS_COMPRESSION_LZMA) = .lzma
17
18# XZ
19suffix_$(CONFIG_INITRAMFS_COMPRESSION_XZ) = .xz
20
18# Lzo
19suffix_$(CONFIG_INITRAMFS_COMPRESSION_LZO) = .lzo
20
21AFLAGS_initramfs_data.o += -DINITRAMFS_IMAGE="usr/initramfs_data.cpio$(suffix_y)"
22
23# Generate builtin.o based on initramfs_data.o
24obj-$(CONFIG_BLK_DEV_INITRD) := initramfs_data.o
25

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45# The dependency list is generated by gen_initramfs.sh -l
46ifneq ($(wildcard $(obj)/.initramfs_data.cpio.d),)
47 include $(obj)/.initramfs_data.cpio.d
48endif
49
50quiet_cmd_initfs = GEN $@
51 cmd_initfs = $(initramfs) -o $@ $(ramfs-args) $(ramfs-input)
52
21# Lzo
22suffix_$(CONFIG_INITRAMFS_COMPRESSION_LZO) = .lzo
23
24AFLAGS_initramfs_data.o += -DINITRAMFS_IMAGE="usr/initramfs_data.cpio$(suffix_y)"
25
26# Generate builtin.o based on initramfs_data.o
27obj-$(CONFIG_BLK_DEV_INITRD) := initramfs_data.o
28

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48# The dependency list is generated by gen_initramfs.sh -l
49ifneq ($(wildcard $(obj)/.initramfs_data.cpio.d),)
50 include $(obj)/.initramfs_data.cpio.d
51endif
52
53quiet_cmd_initfs = GEN $@
54 cmd_initfs = $(initramfs) -o $@ $(ramfs-args) $(ramfs-input)
55
53targets := initramfs_data.cpio.gz initramfs_data.cpio.bz2 initramfs_data.cpio.lzma initramfs_data.cpio.lzo initramfs_data.cpio
56targets := initramfs_data.cpio.gz initramfs_data.cpio.bz2 initramfs_data.cpio.lzma initramfs_data.cpio.xz initramfs_data.cpio.lzo initramfs_data.cpio
54# do not try to update files included in initramfs
55$(deps_initramfs): ;
56
57$(deps_initramfs): klibcdirs
58# We rebuild initramfs_data.cpio if:
59# 1) Any included file is newer then initramfs_data.cpio
60# 2) There are changes in which files are included (added or deleted)
61# 3) If gen_init_cpio are newer than initramfs_data.cpio
62# 4) arguments to gen_initramfs.sh changes
63$(obj)/initramfs_data.cpio$(suffix_y): $(obj)/gen_init_cpio $(deps_initramfs) klibcdirs
64 $(Q)$(initramfs) -l $(ramfs-input) > $(obj)/.initramfs_data.cpio.d
65 $(call if_changed,initfs)
66
57# do not try to update files included in initramfs
58$(deps_initramfs): ;
59
60$(deps_initramfs): klibcdirs
61# We rebuild initramfs_data.cpio if:
62# 1) Any included file is newer then initramfs_data.cpio
63# 2) There are changes in which files are included (added or deleted)
64# 3) If gen_init_cpio are newer than initramfs_data.cpio
65# 4) arguments to gen_initramfs.sh changes
66$(obj)/initramfs_data.cpio$(suffix_y): $(obj)/gen_init_cpio $(deps_initramfs) klibcdirs
67 $(Q)$(initramfs) -l $(ramfs-input) > $(obj)/.initramfs_data.cpio.d
68 $(call if_changed,initfs)
69