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Allow compression of cpio targets

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This commit is contained in:
Ulf Samuelsson 2007-08-11 22:01:13 +00:00
parent 7d8c2838ef
commit 90b4498219
2 changed files with 78 additions and 10 deletions
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35
target/cpio/Config.in
View File

@ -5,3 +5,38 @@ config BR2_TARGET_ROOTFS_CPIO
help
Build a cpio archive of the root filesystem
choice
prompt "Compression method"
default BR2_TARGET_ROOTFS_CPIO_NONE
depends on BR2_TARGET_ROOTFS_CPIO
help
Select compressor for cpio filesystem of the root filesystem
config BR2_TARGET_ROOTFS_CPIO_NONE
bool "no compression"
help
Do not compress the cpio filesystem.
config BR2_TARGET_ROOTFS_CPIO_GZIP
bool "gzip"
help
Do compress the cpio filesystem with gzip.
Note that you either have to have gzip installed on your host
or select to build a gzip for your host. See the packages submenu.
config BR2_TARGET_ROOTFS_CPIO_BZIP2
bool "bzip2"
help
Do compress the cpio filesystem with bzip2.
Note that you either have to have bzip2 installed on your host
or select to build a bzip2 for your host. See the packages submenu.
config BR2_TARGET_ROOTFS_CPIO_LZMA
bool "lzma"
help
Do compress the cpio filesystem with lzma.
Note that you either have to have lzma installed on your host
or select to build a lzma for your host. See the packages submenu.
endchoice

53
target/cpio/cpioroot.mk
View File

@ -4,13 +4,39 @@
#
#############################################################
CPIO_TARGET:=$(IMAGE).cpio
CPIO_BASE:=$(IMAGE).cpio
CPIO_ROOTFS_COMPRESSOR:=
CPIO_ROOTFS_COMPRESSOR_EXT:=
CPIO_ROOTFS_COMPRESSOR_PREREQ:=
ifeq ($(BR2_TARGET_ROOTFS_CPIO_GZIP),y)
CPIO_ROOTFS_COMPRESSOR:=gzip -9 -c
CPIO_ROOTFS_COMPRESSOR_EXT:=gz
#CPIO_ROOTFS_COMPRESSOR_PREREQ:= gzip-host
endif
ifeq ($(BR2_TARGET_ROOTFS_CPIO_BZIP2),y)
CPIO_ROOTFS_COMPRESSOR:=bzip2 -9 -c
CPIO_ROOTFS_COMPRESSOR_EXT:=bz2
#CPIO_ROOTFS_COMPRESSOR_PREREQ:= bzip2-host
endif
ifeq ($(BR2_TARGET_ROOTFS_CPIO_LZMA),y)
CPIO_ROOTFS_COMPRESSOR:=lzma -9 -c
CPIO_ROOTFS_COMPRESSOR_EXT:=lzma
CPIO_ROOTFS_COMPRESSOR_PREREQ:= lzma-host
endif
ifneq ($(CPIO_ROOTFS_COMPRESSOR),)
CPIO_TARGET := $(CPIO_BASE).$(CPIO_ROOTFS_COMPRESSOR_EXT)
else
CPIO_TARGET := $(CPIO_BASE)
endif
cpioroot-init:
rm -f $(TARGET_DIR)/init
ln -s sbin/init $(TARGET_DIR)/init
cpioroot: host-fakeroot makedevs cpioroot-init
$(CPIO_BASE): host-fakeroot makedevs cpioroot-init
-@find $(TARGET_DIR) -type f -perm +111 | xargs $(STRIP) 2>/dev/null || true;
@rm -rf $(TARGET_DIR)/usr/man
@rm -rf $(TARGET_DIR)/usr/info
@ -18,19 +44,26 @@ cpioroot: host-fakeroot makedevs cpioroot-init
# Use fakeroot to pretend all target binaries are owned by root
rm -f $(STAGING_DIR)/_fakeroot.$(notdir $(TAR_TARGET))
touch $(STAGING_DIR)/.fakeroot.00000
cat $(STAGING_DIR)/.fakeroot* > $(STAGING_DIR)/_fakeroot.$(notdir $(CPIO_TARGET))
echo "chown -R 0:0 $(TARGET_DIR)" >> $(STAGING_DIR)/_fakeroot.$(notdir $(CPIO_TARGET))
cat $(STAGING_DIR)/.fakeroot* > $(STAGING_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
echo "chown -R 0:0 $(TARGET_DIR)" >> $(STAGING_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
ifneq ($(TARGET_DEVICE_TABLE),)
# 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 $(CPIO_TARGET))
>> $(STAGING_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
endif
# Use fakeroot so tar believes the previous fakery
echo "cd $(TARGET_DIR) && find . | cpio --quiet -o -H newc > $(CPIO_TARGET)" \
>> $(STAGING_DIR)/_fakeroot.$(notdir $(CPIO_TARGET))
chmod a+x $(STAGING_DIR)/_fakeroot.$(notdir $(CPIO_TARGET))
$(STAGING_DIR)/usr/bin/fakeroot -- $(STAGING_DIR)/_fakeroot.$(notdir $(CPIO_TARGET))
#-@rm -f $(STAGING_DIR)/_fakeroot.$(notdir $(CPIO_TARGET))
echo "cd $(TARGET_DIR) && find . | cpio --quiet -o -H newc > $(CPIO_BASE)" \
>> $(STAGING_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
chmod a+x $(STAGING_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
$(STAGING_DIR)/usr/bin/fakeroot -- $(STAGING_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
#-@rm -f $(STAGING_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
ifneq ($(CPIO_ROOTFS_COMPRESSOR),)
$(CPIO_BASE).$(CPIO_ROOTFS_COMPRESSOR_EXT): $(CPIO_ROOTFS_COMPRESSOR_PREREQ) $(CPIO_BASE)
$(CPIO_ROOTFS_COMPRESSOR) $(CPIO_BASE) > $(CPIO_TARGET)
endif
cpioroot: $(CPIO_TARGET)
cpioroot-source: