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ext2: convert to ROOTFS_TARGET infrastructure 

We also remove the BR2_TARGET_ROOTFS_EXT2_OUTPUT option, that could be
used to specify an alternate name for the generated image file.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Thomas Petazzoni 2010-03-10 00:15:15 +01:00
parent 3892493f8d
commit 208d06abf9
2 changed files with 11 additions and 70 deletions
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5
target/ext2/Config.in
View File

@ -24,11 +24,6 @@ config BR2_TARGET_ROOTFS_EXT2_SQUASH
depends on BR2_TARGET_ROOTFS_EXT2
default y
config BR2_TARGET_ROOTFS_EXT2_OUTPUT
string "Output File"
depends on BR2_TARGET_ROOTFS_EXT2
default "$(IMAGE).ext2"
choice
prompt "Compression method"
default BR2_TARGET_ROOTFS_EXT2_NONE

76
target/ext2/ext2root.mk
View File

@ -22,73 +22,19 @@ ifneq ($(strip $(BR2_TARGET_ROOTFS_EXT2_RESBLKS)),)
EXT2_OPTS += -m $(BR2_TARGET_ROOTFS_EXT2_RESBLKS)
endif
EXT2_BASE := $(call qstrip,$(BR2_TARGET_ROOTFS_EXT2_OUTPUT))
ROOTFS_EXT2_DEPENDENCIES = host-genext2fs
EXT2_ROOTFS_COMPRESSOR:=
EXT2_ROOTFS_COMPRESSOR_EXT:=
EXT2_ROOTFS_COMPRESSOR_PREREQ:=
ifeq ($(BR2_TARGET_ROOTFS_EXT2_GZIP),y)
EXT2_ROOTFS_COMPRESSOR:=gzip -9 -c
EXT2_ROOTFS_COMPRESSOR_EXT:=gz
endif
ifeq ($(BR2_TARGET_ROOTFS_EXT2_BZIP2),y)
EXT2_ROOTFS_COMPRESSOR:=bzip2 -9 -c
EXT2_ROOTFS_COMPRESSOR_EXT:=bz2
endif
ifeq ($(BR2_TARGET_ROOTFS_EXT2_LZMA),y)
EXT2_ROOTFS_COMPRESSOR:=$(LZMA) -9 -c
EXT2_ROOTFS_COMPRESSOR_EXT:=lzma
EXT2_ROOTFS_COMPRESSOR_PREREQ:=host-lzma
endif
ifneq ($(EXT2_ROOTFS_COMPRESSOR),)
EXT2_TARGET := $(EXT2_BASE).$(EXT2_ROOTFS_COMPRESSOR_EXT)
else
EXT2_TARGET := $(EXT2_BASE)
endif
$(EXT2_BASE): host-fakeroot host-genext2fs makedevs
# Use fakeroot to pretend all target binaries are owned by root
rm -f $(BUILD_DIR)/_fakeroot.$(notdir $(EXT2_TARGET))
touch $(BUILD_DIR)/.fakeroot.00000
cat $(BUILD_DIR)/.fakeroot* > $(BUILD_DIR)/_fakeroot.$(notdir $(EXT2_TARGET))
echo "chown -R 0:0 $(TARGET_DIR)" >> $(BUILD_DIR)/_fakeroot.$(notdir $(EXT2_TARGET))
ifneq ($(TARGET_DEVICE_TABLE),)
# Use fakeroot to pretend to create all needed device nodes
echo "$(HOST_DIR)/usr/bin/makedevs -d $(TARGET_DEVICE_TABLE) $(TARGET_DIR)" \
>> $(BUILD_DIR)/_fakeroot.$(notdir $(EXT2_TARGET))
endif
# Use fakeroot so genext2fs believes the previous fakery
ifeq ($(strip $(BR2_TARGET_ROOTFS_EXT2_BLOCKS)),0)
GENEXT2_REALSIZE=`LC_ALL=C du -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 "$(HOST_DIR)/usr/bin/genext2fs -b $$GENEXT2_SIZE " \
"-N $$GENEXT2_INODES -d $(TARGET_DIR) " \
"$(EXT2_OPTS) $(EXT2_BASE)" >> $(BUILD_DIR)/_fakeroot.$(notdir $(EXT2_TARGET))
else
echo "$(HOST_DIR)/usr/bin/genext2fs -d $(TARGET_DIR) " \
"$(EXT2_OPTS) $(EXT2_BASE)" >> $(BUILD_DIR)/_fakeroot.$(notdir $(EXT2_TARGET))
endif
chmod a+x $(BUILD_DIR)/_fakeroot.$(notdir $(EXT2_TARGET))
$(HOST_DIR)/usr/bin/fakeroot -- $(BUILD_DIR)/_fakeroot.$(notdir $(EXT2_TARGET))
-@rm -f $(BUILD_DIR)/_fakeroot.$(notdir $(EXT2_TARGET))
ifneq ($(EXT2_ROOTFS_COMPRESSOR),)
$(EXT2_BASE).$(EXT2_ROOTFS_COMPRESSOR_EXT): $(EXT2_ROOTFS_COMPRESSOR_PREREQ) $(EXT2_BASE)
$(EXT2_ROOTFS_COMPRESSOR) $(EXT2_BASE) > $(EXT2_TARGET)
GENEXT2_REALSIZE=$(shell LC_ALL=C du -s -c -k $(TARGET_DIR) | grep total | sed -e "s/total//")
GENEXT2_ADDTOROOTSIZE=$(shell if [ $(GENEXT2_REALSIZE) -ge 20000 ]; then echo 16384; else echo 2400; fi)
GENEXT2_SIZE=$(shell expr $(GENEXT2_REALSIZE) + $(GENEXT2_ADDTOROOTSIZE))
GENEXT2_ADDTOINODESIZE=$(shell find $(TARGET_DIR) | wc -l)
GENEXT2_INODES=$(shell expr $(GENEXT2_ADDTOINODESIZE) + 400)
EXT2_OPTS += -b $(GENEXT2_SIZE) -N $(GENEXT2_INODES)
endif
ext2root: $(EXT2_TARGET)
define ROOTFS_EXT2_CMD
$(HOST_DIR)/usr/bin/genext2fs -d $(TARGET_DIR) $(EXT2_OPTS) $$@
endef
#############################################################
#
# Toplevel Makefile options
#
#############################################################
ifeq ($(BR2_TARGET_ROOTFS_EXT2),y)
TARGETS+=ext2root
endif
$(eval $(call ROOTFS_TARGET,ext2))