summaryrefslogtreecommitdiff
path: root/target/ext2/ext2root.mk
blob: c88437f2b75a62bd423d9258ddd3c8dbd65183a0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
#############################################################
#
# genext2fs to build to target ext2 filesystems
#
#############################################################
GENEXT2_DIR=$(BUILD_DIR)/genext2fs-1.3
GENEXT2_SOURCE=genext2fs_1.3.orig.tar.gz
GENEXT2_SITE=http://ftp.debian.org/debian/pool/main/g/genext2fs

$(DL_DIR)/$(GENEXT2_SOURCE):
	$(WGET) -P $(DL_DIR) $(GENEXT2_SITE)/$(GENEXT2_SOURCE)

$(GENEXT2_DIR)/.unpacked: $(DL_DIR)/$(GENEXT2_SOURCE)
	$(ZCAT) $(DL_DIR)/$(GENEXT2_SOURCE) | tar -C $(BUILD_DIR) -xvf -
	mv $(GENEXT2_DIR).orig $(GENEXT2_DIR)
	toolchain/patch-kernel.sh $(GENEXT2_DIR) target/ext2/ genext2fs\*.patch
	touch $(GENEXT2_DIR)/.unpacked

$(GENEXT2_DIR)/.configured: $(GENEXT2_DIR)/.unpacked
	chmod a+x $(GENEXT2_DIR)/configure
	(cd $(GENEXT2_DIR); rm -rf config.cache; \
		./configure \
		--prefix=$(STAGING_DIR) \
	);
	touch  $(GENEXT2_DIR)/.configured

$(GENEXT2_DIR)/genext2fs: $(GENEXT2_DIR)/.configured
	$(MAKE) CFLAGS="-Wall -O2 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE \
		-D_FILE_OFFSET_BITS=64" -C $(GENEXT2_DIR);
	touch -c $(GENEXT2_DIR)/genext2fs

genext2fs: $(GENEXT2_DIR)/genext2fs



#############################################################
#
# Build the ext2 root filesystem image
#
#############################################################

EXT2_OPTS :=

ifeq ($(strip $(BR2_TARGET_ROOTFS_EXT2_SQUASH)),y)
EXT2_OPTS += -U
endif

ifneq ($(strip $(BR2_TARGET_ROOTFS_EXT2_BLOCKS)),0)
EXT2_OPTS += -b $(strip $(BR2_TARGET_ROOTFS_EXT2_BLOCKS))
endif

ifneq ($(strip $(BR2_TARGET_ROOTFS_EXT2_INODES)),0)
EXT2_OPTS += -i $(strip $(BR2_TARGET_ROOTFS_EXT2_INODES))
endif

ifneq ($(strip $(BR2_TARGET_ROOTFS_EXT2_RESBLKS)),0)
EXT2_OPTS += -r $(strip $(BR2_TARGET_ROOTFS_EXT2_RESBLKS))
endif

EXT2_BASE :=	$(subst ",,$(BR2_TARGET_ROOTFS_EXT2_OUTPUT))
# " stupid syntax highlighting does not like unmatched quote from above line

ifeq ($(strip $(BR2_TARGET_ROOTFS_EXT2_GZ)),y)
EXT2_TARGET := $(EXT2_BASE).gz
else
EXT2_TARGET := $(EXT2_BASE)
endif

ifeq ($(strip $(BR2_TARGET_ROOTFS_EXT2_LZMA)),y)
EXT2_TARGET := $(EXT2_BASE).lzma
endif

$(EXT2_BASE): host-fakeroot makedevs genext2fs
	-@find $(TARGET_DIR) -type f -perm +111 | xargs $(STRIP) 2>/dev/null || true;
	@rm -rf $(TARGET_DIR)/usr/man
	@rm -rf $(TARGET_DIR)/usr/share/man
	@rm -rf $(TARGET_DIR)/usr/info
	-/sbin/ldconfig -r $(TARGET_DIR) 2>/dev/null
	# Use fakeroot to pretend all target binaries are owned by root
	rm -f $(STAGING_DIR)/_fakeroot.$(notdir $(EXT2_TARGET))
	touch $(STAGING_DIR)/.fakeroot.00000
	cat $(STAGING_DIR)/.fakeroot* > $(STAGING_DIR)/_fakeroot.$(notdir $(EXT2_TARGET))
	echo "chown -R root:root $(TARGET_DIR)" >> $(STAGING_DIR)/_fakeroot.$(notdir $(EXT2_TARGET))
	# Use fakeroot to pretend to create all needed device nodes
	echo "$(STAGING_DIR)/bin/makedevs -d $(TARGET_DEVICE_TABLE) $(TARGET_DIR)" \
		>> $(STAGING_DIR)/_fakeroot.$(notdir $(EXT2_TARGET))
	# Use fakeroot so genext2fs believes the previous fakery
ifeq ($(strip $(BR2_TARGET_ROOTFS_EXT2_BLOCKS)),0)
	GENEXT2_REALSIZE=`LANG=C du -l -s -c -k $(TARGET_DIR) | grep total | sed -e "s/total//"`; \
	GENEXT2_ADDTOROOTSIZE=`if [ $$GENEXT2_REALSIZE -ge 20000 ] ; then echo 16384; else echo 2400; fi`; \
	GENEXT2_SIZE=`expr $$GENEXT2_REALSIZE + $$GENEXT2_ADDTOROOTSIZE`; \
	GENEXT2_ADDTOINODESIZE=`find $(TARGET_DIR) | wc -l`; \
	GENEXT2_INODES=`expr $$GENEXT2_ADDTOINODESIZE + 400`; \
	set -x; \
	echo "$(GENEXT2_DIR)/genext2fs -b $$GENEXT2_SIZE " \
		"-i $$GENEXT2_INODES -d $(TARGET_DIR) " \
		"$(EXT2_OPTS) $(EXT2_BASE)" >> $(STAGING_DIR)/_fakeroot.$(notdir $(EXT2_TARGET))
else
	echo "$(GENEXT2_DIR)/genext2fs -d $(TARGET_DIR) " \
		"$(EXT2_OPTS) $(EXT2_BASE)" >> $(STAGING_DIR)/_fakeroot.$(notdir $(EXT2_TARGET))
endif
	chmod a+x $(STAGING_DIR)/_fakeroot.$(notdir $(EXT2_TARGET))
	$(STAGING_DIR)/usr/bin/fakeroot -- $(STAGING_DIR)/_fakeroot.$(notdir $(EXT2_TARGET))
	-@rm -f $(STAGING_DIR)/_fakeroot.$(notdir $(EXT2_TARGET))

$(EXT2_BASE).gz: $(EXT2_BASE)
	@gzip --best -fv $(EXT2_BASE)

$(EXT2_BASE).lzma: lzma-host $(EXT2_BASE)
	@$(STAGING_DIR)/bin/lzma -vc $(EXT2_BASE) > $(EXT2_BASE).lzma

EXT2_COPYTO := $(strip $(subst ",,$(BR2_TARGET_ROOTFS_EXT2_COPYTO)))
# " stupid syntax highlighting does not like unmatched quote from above line

ext2root: $(EXT2_TARGET)
	@ls -l $(EXT2_TARGET)
ifneq ($(EXT2_COPYTO),)
	@cp -f $(EXT2_TARGET) $(EXT2_COPYTO)
endif

ext2root-source: $(DL_DIR)/$(GENEXT2_SOURCE)

ext2root-clean:
	-$(MAKE) -C $(GENEXT2_DIR) clean

ext2root-dirclean:
	rm -rf $(GENEXT2_DIR)

#############################################################
#
# Toplevel Makefile options
#
#############################################################
ifeq ($(strip $(BR2_TARGET_ROOTFS_EXT2)),y)
TARGETS+=ext2root
endif