ifneq ($(CONFIG_BIG_ENDIAN),)
JFFS2OPTS := --pad --big-endian --squash -v
- SQUASHFS_OPTS := -be
else
JFFS2OPTS := --pad --little-endian --squash -v
- SQUASHFS_OPTS := -le
endif
ifeq ($(CONFIG_JFFS2_RTIME),y)
JFFS2OPTS += -x lzma
endif
-ifneq ($(CONFIG_LINUX_2_4)$(CONFIG_LINUX_2_6_25),)
- USE_SQUASHFS3 := y
+LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
+ifeq ($(CONFIG_SQUASHFS_LZMA),y)
+ SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS)
endif
-
-ifneq ($(USE_SQUASHFS3),)
- MKSQUASHFS_CMD := $(STAGING_DIR_HOST)/bin/mksquashfs-lzma
-else
- MKSQUASHFS_CMD := $(STAGING_DIR_HOST)/bin/mksquashfs4
- SQUASHFS_OPTS := -comp lzma -processors 1
+ifeq ($(CONFIG_SQUASHFS_XZ),y)
+ SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS)
endif
JFFS2_BLOCKSIZE ?= 64k 128k
ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
define Image/mkfs/squashfs
@mkdir -p $(TARGET_DIR)/overlay
- $(MKSQUASHFS_CMD) $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
+ $(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp $(SQUASHFSCOMP) -processors 1
$(call Image/Build,squashfs)
endef
endif
ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
define Image/mkfs/targz
- $(TAR) -zcf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
+ # Preserve permissions (-p) when building as non-root user
+ $(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
endef
endif
-ifneq ($(CONFIG_TARGET_ROOTFS_EXT2FS),)
+ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),)
E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024)))
- define Image/mkfs/ext2
- $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext2
- $(call Image/Build,ext2)
+ define Image/mkfs/ext4
+# generate an ext2 fs
+ $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext4
+# convert it to ext4
+ $(STAGING_DIR_HOST)/bin/tune2fs -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
+# fix it up
+ $(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
+ $(call Image/Build,ext4)
endef
endif
define Image/mkfs/prepare/default
- - $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -print0 | $(XARGS) -0 chmod 0644
- - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod 0755
- - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod 0755
+ # Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
+ - $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -print0 | $(XARGS) -0 chmod u+rw,g+r,o+r
+ - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
+ - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
$(INSTALL_DIR) $(TARGET_DIR)/tmp
chmod 0777 $(TARGET_DIR)/tmp
endef
$(call Image/BuildKernel)
$(call Image/mkfs/cpiogz)
$(call Image/mkfs/targz)
- $(call Image/mkfs/ext2)
+ $(call Image/mkfs/ext4)
$(call Image/mkfs/iso)
$(call Image/mkfs/jffs2)
$(call Image/mkfs/squashfs)
$(call Image/BuildKernel)
$(call Image/mkfs/cpiogz)
$(call Image/mkfs/targz)
- $(call Image/mkfs/ext2)
+ $(call Image/mkfs/ext4)
$(call Image/mkfs/iso)
$(call Image/mkfs/jffs2)
$(call Image/mkfs/squashfs)