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- update the ext2 rootfs compression mechanism to allow for gzip, bzip2, lzma or none

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This commit is contained in:
Bernhard Reutner-Fischer 2006-12-14 15:47:50 +00:00
parent c07e327bab
commit 787635669b
2 changed files with 54 additions and 21 deletions
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37
target/ext2/Config.in
View File

@ -29,17 +29,40 @@ config BR2_TARGET_ROOTFS_EXT2_OUTPUT
depends on BR2_TARGET_ROOTFS_EXT2 depends on BR2_TARGET_ROOTFS_EXT2
default "$(IMAGE).ext2" default "$(IMAGE).ext2"
config BR2_TARGET_ROOTFS_EXT2_GZ choice
bool "gzip the output file" prompt "Compression method"
default BR2_TARGET_ROOTFS_EXT2_NONE
depends on BR2_TARGET_ROOTFS_EXT2 depends on BR2_TARGET_ROOTFS_EXT2
default n help
Select compressor for ext2 filesystem of the root filesystem
config BR2_TARGET_ROOTFS_EXT2_NONE
bool "no compression"
help
Do not compress the ext2 filesystem.
config BR2_TARGET_ROOTFS_EXT2_GZIP
bool "gzip"
help
Do compress the ext2 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_EXT2_BZIP2
bool "bzip2"
help
Do compress the ext2 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_EXT2_LZMA config BR2_TARGET_ROOTFS_EXT2_LZMA
bool "lzma the output file" bool "lzma"
depends on BR2_TARGET_ROOTFS_EXT2 help
select BR2_PACKAGE_LZMA_HOST Do compress the ext2 filesystem with lzma.
default n 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
config BR2_TARGET_ROOTFS_EXT2_COPYTO config BR2_TARGET_ROOTFS_EXT2_COPYTO
string "also copy the image to..." string "also copy the image to..."

36
target/ext2/ext2root.mk
View File

@ -59,16 +59,27 @@ EXT2_OPTS += -r $(strip $(BR2_TARGET_ROOTFS_EXT2_RESBLKS))
endif endif
EXT2_BASE := $(subst ",,$(BR2_TARGET_ROOTFS_EXT2_OUTPUT)) 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) EXT2_TARGET := $(EXT2_BASE)
endif
ifeq ($(strip $(BR2_TARGET_ROOTFS_EXT2_LZMA)),y) EXT2_ROOTFS_COMPRESSOR:=
EXT2_TARGET := $(EXT2_BASE).lzma EXT2_ROOTFS_COMPRESSOR_EXT:=
EXT2_ROOTFS_COMPRESSOR_PREREQ:=
ifeq ($(BR2_TARGET_ROOTFS_EXT2_GZIP),y)
EXT2_ROOTFS_COMPRESSOR:=gzip -9 -c
EXT2_ROOTFS_COMPRESSOR_EXT:=gz
#EXT2_ROOTFS_COMPRESSOR_PREREQ:= gzip-host
endif
ifeq ($(BR2_TARGET_ROOTFS_EXT2_BZIP2),y)
EXT2_ROOTFS_COMPRESSOR:=bzip2 -9 -c
EXT2_ROOTFS_COMPRESSOR_EXT:=bz2
#EXT2_ROOTFS_COMPRESSOR_PREREQ:= bzip2-host
endif
ifeq ($(BR2_TARGET_ROOTFS_EXT2_LZMA),y)
EXT2_ROOTFS_COMPRESSOR:=lzma -9 -c
EXT2_ROOTFS_COMPRESSOR_EXT:=lzma
EXT2_ROOTFS_COMPRESSOR_PREREQ:= lzma-host
endif endif
$(EXT2_BASE): host-fakeroot makedevs genext2fs $(EXT2_BASE): host-fakeroot makedevs genext2fs
@ -104,14 +115,13 @@ endif
$(STAGING_DIR)/usr/bin/fakeroot -- $(STAGING_DIR)/_fakeroot.$(notdir $(EXT2_TARGET)) $(STAGING_DIR)/usr/bin/fakeroot -- $(STAGING_DIR)/_fakeroot.$(notdir $(EXT2_TARGET))
-@rm -f $(STAGING_DIR)/_fakeroot.$(notdir $(EXT2_TARGET)) -@rm -f $(STAGING_DIR)/_fakeroot.$(notdir $(EXT2_TARGET))
$(EXT2_BASE).gz: $(EXT2_BASE) ifneq ($(EXT2_ROOTFS_COMPRESSOR),)
@gzip --best -fv $(EXT2_BASE) $(EXT2_TARGET).(EXT2_ROOTFS_COMPRESSOR_EXT): $(EXT2_ROOTFS_COMPRESSOR_PREREQ) $(EXT2_BASE)
$(EXT2_ROOTFS_COMPRESSOR) $(EXT2_TARGET) > $(EXT2_TARGET).$(EXT2_ROOTFS_COMPRESSOR_EXT)
$(EXT2_BASE).lzma: lzma-host $(EXT2_BASE) endif
@$(STAGING_DIR)/bin/lzma -vc $(EXT2_BASE) > $(EXT2_BASE).lzma
EXT2_COPYTO := $(strip $(subst ",,$(BR2_TARGET_ROOTFS_EXT2_COPYTO))) EXT2_COPYTO := $(strip $(subst ",,$(BR2_TARGET_ROOTFS_EXT2_COPYTO)))
# " stupid syntax highlighting does not like unmatched quote from above line # "))
ext2root: $(EXT2_TARGET) ext2root: $(EXT2_TARGET)
@ls -l $(EXT2_TARGET) @ls -l $(EXT2_TARGET)