kumquat-buildroot/target/squashfs/squashfsroot.mk

#############################################################
#
# mksquashfs to build to target squashfs filesystems
#
#############################################################
SQUASHFS_VERSION:=3.2-r2
SQUASHFS_DIR:=$(BUILD_DIR)/squashfs$(SQUASHFS_VERSION)
SQUASHFS_SOURCE:=squashfs$(SQUASHFS_VERSION).tar.gz
SQUASHFS_SITE:=http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/sourceforge/squashfs
SQUASHFS_CAT:=$(ZCAT)

$(DL_DIR)/$(SQUASHFS_SOURCE):
	 $(WGET) -P $(DL_DIR) $(SQUASHFS_SITE)/$(SQUASHFS_SOURCE)

$(SQUASHFS_DIR)/.unpacked: $(DL_DIR)/$(SQUASHFS_SOURCE) #$(SQUASHFS_PATCH)
	$(SQUASHFS_CAT) $(DL_DIR)/$(SQUASHFS_SOURCE) | tar -C $(BUILD_DIR) -xvf -
	toolchain/patch-kernel.sh $(SQUASHFS_DIR) target/squashfs/ squashfs\*.patch
	touch $(SQUASHFS_DIR)/.unpacked

$(SQUASHFS_DIR)/squashfs-tools/mksquashfs: $(SQUASHFS_DIR)/.unpacked
	$(MAKE) -C $(SQUASHFS_DIR)/squashfs-tools;

squashfs: $(SQUASHFS_DIR)/squashfs-tools/mksquashfs

squashfs-source: $(DL_DIR)/$(SQUASHFS_SOURCE)

squashfs-clean:
	-$(MAKE) -C $(SQUASHFS_DIR)/squashfs-tools clean

squashfs-dirclean:
	rm -rf $(SQUASHFS_DIR)

#############################################################
#
# Build the squashfs root filesystem image
#
#############################################################
ifeq ($(BR2_ENDIAN),"BIG")
SQUASHFS_ENDIANNESS=-be
else
SQUASHFS_ENDIANNESS=-le
endif

SQUASHFS_TARGET:=$(IMAGE).squashfs

squashfsroot: host-fakeroot makedevs squashfs
	-@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
	-/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 $(SQUASHFS_TARGET))
	touch $(STAGING_DIR)/.fakeroot.00000
	cat $(STAGING_DIR)/.fakeroot* > $(STAGING_DIR)/_fakeroot.$(notdir $(SQUASHFS_TARGET))
	echo "chown -R 0:0 $(TARGET_DIR)" >> $(STAGING_DIR)/_fakeroot.$(notdir $(SQUASHFS_TARGET))
ifneq ($(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 $(SQUASHFS_TARGET))
endif
	# Use fakeroot so mksquashfs believes the previous fakery
	echo "$(SQUASHFS_DIR)/squashfs-tools/mksquashfs " \
		    "$(TARGET_DIR) $(SQUASHFS_TARGET) " \
		    "-noappend $(SQUASHFS_ENDIANNESS)" \
		>> $(STAGING_DIR)/_fakeroot.$(notdir $(SQUASHFS_TARGET))
	chmod a+x $(STAGING_DIR)/_fakeroot.$(notdir $(SQUASHFS_TARGET))
	$(STAGING_DIR)/usr/bin/fakeroot -- $(STAGING_DIR)/_fakeroot.$(notdir $(SQUASHFS_TARGET))
	-@rm -f $(STAGING_DIR)/_fakeroot.$(notdir $(SQUASHFS_TARGET))

squashfsroot-source: squashfs-source

squashfsroot-clean:
	-$(MAKE) -C $(SQUASHFS_DIR) clean

squashfsroot-dirclean:
	rm -rf $(SQUASHFS_DIR)

#############################################################
#
# Toplevel Makefile options
#
#############################################################
ifeq ($(strip $(BR2_TARGET_ROOTFS_SQUASHFS)),y)
TARGETS+=squashfsroot
endif
Add squashfs stuff. This is used by openwrt, which also uses devfs. NOTE: The mksquashfs util does not support a device table! 2004-03-05 20:09:57 +01:00			`#############################################################`
			`#`
			`# mksquashfs to build to target squashfs filesystems`
			`#`
			`#############################################################`
Bump version 2007-01-18 13:39:05 +01:00			`SQUASHFS_VERSION:=3.2-r2`
Bump to upstream v3.0 Notice that this uses a new NON-compatible filesystem format, so you need the v3.0 kernel patch to access it! 2006-05-24 20:07:33 +02:00			`SQUASHFS_DIR:=$(BUILD_DIR)/squashfs$(SQUASHFS_VERSION)`
			`SQUASHFS_SOURCE:=squashfs$(SQUASHFS_VERSION).tar.gz`
			`SQUASHFS_SITE:=http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/sourceforge/squashfs`
- use $(ZCAT) as configured by the user instead of hardcoded 'zcat' that may not exist; Closes #971 Silly, unchecked sed -i -e "/[^b]zcat/s/zcat/\$\(ZCAT\)/g" $(svngrep "[^b]zcat" * -rl \| grep -v Config.in) 2006-10-01 17:17:52 +02:00			`SQUASHFS_CAT:=$(ZCAT)`
Add squashfs stuff. This is used by openwrt, which also uses devfs. NOTE: The mksquashfs util does not support a device table! 2004-03-05 20:09:57 +01:00
			`$(DL_DIR)/$(SQUASHFS_SOURCE):`
			`$(WGET) -P $(DL_DIR) $(SQUASHFS_SITE)/$(SQUASHFS_SOURCE)`

mksquashfs is always rebuilt before generating rootfs image. The attached patch avoids this issue, by creating a .unpacked file in the squashfs directory after the source tarball is unpacked, and making the mksquashfs target depend on the .unpacked file. http://bugs.busybox.net/view.php?id=234 2005-06-24 05:14:20 +02:00			`$(SQUASHFS_DIR)/.unpacked: $(DL_DIR)/$(SQUASHFS_SOURCE) #$(SQUASHFS_PATCH)`
Bump to upstream v3.0 Notice that this uses a new NON-compatible filesystem format, so you need the v3.0 kernel patch to access it! 2006-05-24 20:07:33 +02:00			`$(SQUASHFS_CAT) $(DL_DIR)/$(SQUASHFS_SOURCE) \| tar -C $(BUILD_DIR) -xvf -`
be a bit more consistant with naming, always escape wildcards 2005-06-24 10:36:13 +02:00			`toolchain/patch-kernel.sh $(SQUASHFS_DIR) target/squashfs/ squashfs\*.patch`
mksquashfs is always rebuilt before generating rootfs image. The attached patch avoids this issue, by creating a .unpacked file in the squashfs directory after the source tarball is unpacked, and making the mksquashfs target depend on the .unpacked file. http://bugs.busybox.net/view.php?id=234 2005-06-24 05:14:20 +02:00			`touch $(SQUASHFS_DIR)/.unpacked`
Add squashfs stuff. This is used by openwrt, which also uses devfs. NOTE: The mksquashfs util does not support a device table! 2004-03-05 20:09:57 +01:00
mksquashfs is always rebuilt before generating rootfs image. The attached patch avoids this issue, by creating a .unpacked file in the squashfs directory after the source tarball is unpacked, and making the mksquashfs target depend on the .unpacked file. http://bugs.busybox.net/view.php?id=234 2005-06-24 05:14:20 +02:00			`$(SQUASHFS_DIR)/squashfs-tools/mksquashfs: $(SQUASHFS_DIR)/.unpacked`
Add squashfs stuff. This is used by openwrt, which also uses devfs. NOTE: The mksquashfs util does not support a device table! 2004-03-05 20:09:57 +01:00			`$(MAKE) -C $(SQUASHFS_DIR)/squashfs-tools;`

			`squashfs: $(SQUASHFS_DIR)/squashfs-tools/mksquashfs`

			`squashfs-source: $(DL_DIR)/$(SQUASHFS_SOURCE)`

			`squashfs-clean:`
			`-$(MAKE) -C $(SQUASHFS_DIR)/squashfs-tools clean`

			`squashfs-dirclean:`
			`rm -rf $(SQUASHFS_DIR)`

			`#############################################################`
			`#`
			`# Build the squashfs root filesystem image`
			`#`
			`#############################################################`
Use BR2_ENDIAN for big/little endianness detection 2007-06-12 17:30:32 +02:00			`ifeq ($(BR2_ENDIAN),"BIG")`
Upgrade to latest, handle endianness automagically 2005-06-24 12:30:09 +02:00			`SQUASHFS_ENDIANNESS=-be`
Use BR2_ENDIAN for big/little endianness detection 2007-06-12 17:30:32 +02:00			`else`
			`SQUASHFS_ENDIANNESS=-le`
Upgrade to latest, handle endianness automagically 2005-06-24 12:30:09 +02:00			`endif`
Add squashfs stuff. This is used by openwrt, which also uses devfs. NOTE: The mksquashfs util does not support a device table! 2004-03-05 20:09:57 +01:00
rework fakeroot handling to avoid races during parallel make causing several fakeroot instances stomping eachother's temp files. 2006-04-07 22:30:43 +02:00			`SQUASHFS_TARGET:=$(IMAGE).squashfs`

			`squashfsroot: host-fakeroot makedevs squashfs`
Finish implementing fakeroot handling so mksquashfs properly inherits device table settings and device nodes, exactly as per mkfs* applications that support device tables natively. 2005-06-24 09:26:33 +02:00			`-@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`
minor cleanup for target handling 2005-08-08 08:57:43 +02:00			`-/sbin/ldconfig -r $(TARGET_DIR) 2>/dev/null`
Use fakeroot and makedevs to fake mksquashfs into building properly setup file permissions and device nodes into the target rootfs without needing to be root. 2005-06-24 07:02:00 +02:00			`# Use fakeroot to pretend all target binaries are owned by root`
Alessio Massaro writes: The syntax $VAR_NAME is used in several places. The correct syntax is actually $(VAR_NAME) 2006-04-21 03:23:35 +02:00			`rm -f $(STAGING_DIR)/_fakeroot.$(notdir $(SQUASHFS_TARGET))`
make sure things still work even when fakeroot is not in active use 2006-04-08 00:42:15 +02:00			`touch $(STAGING_DIR)/.fakeroot.00000`
Alessio Massaro writes: The syntax $VAR_NAME is used in several places. The correct syntax is actually $(VAR_NAME) 2006-04-21 03:23:35 +02:00			`cat $(STAGING_DIR)/.fakeroot* > $(STAGING_DIR)/_fakeroot.$(notdir $(SQUASHFS_TARGET))`
- use numeric values for the superuser to be more portable. Closes #1250 2007-03-20 17:52:44 +01:00			`echo "chown -R 0:0 $(TARGET_DIR)" >> $(STAGING_DIR)/_fakeroot.$(notdir $(SQUASHFS_TARGET))`
- do not use TARGET_DEVICE_TABLE if is is empty 2007-02-15 17:49:39 +01:00			`ifneq ($(TARGET_DEVICE_TABLE),)`
Use fakeroot and makedevs to fake mksquashfs into building properly setup file permissions and device nodes into the target rootfs without needing to be root. 2005-06-24 07:02:00 +02:00			`# Use fakeroot to pretend to create all needed device nodes`
yet again... rework fakeroot handling to ensure fakeroot is invoked just once, as it seems to sometimes lose values logged during from earlier invocations. 2006-04-11 00:49:48 +02:00			`echo "$(STAGING_DIR)/bin/makedevs -d $(TARGET_DEVICE_TABLE) $(TARGET_DIR)" \`
Alessio Massaro writes: The syntax $VAR_NAME is used in several places. The correct syntax is actually $(VAR_NAME) 2006-04-21 03:23:35 +02:00			`>> $(STAGING_DIR)/_fakeroot.$(notdir $(SQUASHFS_TARGET))`
- do not use TARGET_DEVICE_TABLE if is is empty 2007-02-15 17:49:39 +01:00			`endif`
Allow packages to use fakeroot. To accomodate this, convert all target filesystem creation tools to also use fakeroot. 2005-08-04 08:32:52 +02:00			`# Use fakeroot so mksquashfs believes the previous fakery`
yet again... rework fakeroot handling to ensure fakeroot is invoked just once, as it seems to sometimes lose values logged during from earlier invocations. 2006-04-11 00:49:48 +02:00			`echo "$(SQUASHFS_DIR)/squashfs-tools/mksquashfs " \`
			`"$(TARGET_DIR) $(SQUASHFS_TARGET) " \`
			`"-noappend $(SQUASHFS_ENDIANNESS)" \`
Alessio Massaro writes: The syntax $VAR_NAME is used in several places. The correct syntax is actually $(VAR_NAME) 2006-04-21 03:23:35 +02:00			`>> $(STAGING_DIR)/_fakeroot.$(notdir $(SQUASHFS_TARGET))`
			`chmod a+x $(STAGING_DIR)/_fakeroot.$(notdir $(SQUASHFS_TARGET))`
			`$(STAGING_DIR)/usr/bin/fakeroot -- $(STAGING_DIR)/_fakeroot.$(notdir $(SQUASHFS_TARGET))`
			`-@rm -f $(STAGING_DIR)/_fakeroot.$(notdir $(SQUASHFS_TARGET))`
Add squashfs stuff. This is used by openwrt, which also uses devfs. NOTE: The mksquashfs util does not support a device table! 2004-03-05 20:09:57 +01:00
			`squashfsroot-source: squashfs-source`

			`squashfsroot-clean:`
			`-$(MAKE) -C $(SQUASHFS_DIR) clean`

			`squashfsroot-dirclean:`
			`rm -rf $(SQUASHFS_DIR)`

There is no need to have a separate 'Makefile.in' file in the general case, therefore, combine the toplevel Makefile options such as setting TARGETS into the per-package *.mk file 2005-02-10 04:06:39 +01:00			`#############################################################`
			`#`
			`# Toplevel Makefile options`
			`#`
			`#############################################################`
			`ifeq ($(strip $(BR2_TARGET_ROOTFS_SQUASHFS)),y)`
			`TARGETS+=squashfsroot`
			`endif`