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authorBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2006-12-14 15:47:50 +0000
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2006-12-14 15:47:50 +0000
commit787635669bc03bc3e4805dd8ebf676d9ba16564a (patch)
treed16158512a0ac8defc3592e1a862988bc80436b3 /target
parentc07e327bab1f5eb3f41b234fd92c7f923605ac86 (diff)
- update the ext2 rootfs compression mechanism to allow for gzip, bzip2, lzma or none
Diffstat (limited to 'target')
-rw-r--r--target/ext2/Config.in39
-rw-r--r--target/ext2/ext2root.mk36
2 files changed, 54 insertions, 21 deletions
diff --git a/target/ext2/Config.in b/target/ext2/Config.in
index 7f15884ff..8d733e5ef 100644
--- a/target/ext2/Config.in
+++ b/target/ext2/Config.in
@@ -29,17 +29,40 @@ config BR2_TARGET_ROOTFS_EXT2_OUTPUT
depends on BR2_TARGET_ROOTFS_EXT2
default "$(IMAGE).ext2"
-config BR2_TARGET_ROOTFS_EXT2_GZ
- bool "gzip the output file"
- depends on BR2_TARGET_ROOTFS_EXT2
- default n
+choice
+ prompt "Compression method"
+ default BR2_TARGET_ROOTFS_EXT2_NONE
+ depends on BR2_TARGET_ROOTFS_EXT2
+ 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
- bool "lzma the output file"
- depends on BR2_TARGET_ROOTFS_EXT2
- select BR2_PACKAGE_LZMA_HOST
- default n
+ bool "lzma"
+ help
+ Do compress the ext2 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
config BR2_TARGET_ROOTFS_EXT2_COPYTO
string "also copy the image to..."
diff --git a/target/ext2/ext2root.mk b/target/ext2/ext2root.mk
index 845773f8a..696641330 100644
--- a/target/ext2/ext2root.mk
+++ b/target/ext2/ext2root.mk
@@ -59,16 +59,27 @@ 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 := $(EXT2_BASE).lzma
+EXT2_ROOTFS_COMPRESSOR:=
+EXT2_ROOTFS_COMPRESSOR_EXT:=
+EXT2_ROOTFS_COMPRESSOR_PREREQ:=
+ifeq ($(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
$(EXT2_BASE): host-fakeroot makedevs genext2fs
@@ -104,14 +115,13 @@ endif
$(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) > $(EXT2_BASE).lzma
+ifneq ($(EXT2_ROOTFS_COMPRESSOR),)
+$(EXT2_TARGET).(EXT2_ROOTFS_COMPRESSOR_EXT): $(EXT2_ROOTFS_COMPRESSOR_PREREQ) $(EXT2_BASE)
+ $(EXT2_ROOTFS_COMPRESSOR) $(EXT2_TARGET) > $(EXT2_TARGET).$(EXT2_ROOTFS_COMPRESSOR_EXT)
+endif
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)