kumquat-buildroot/fs/squashfs/squashfs.mk
Matthias Weisser 07e37bcc42 squashfs: Add lz4 hc compression
lz4 offers a high compression mode. A minimalistic file system shrinks by about 15%.

[Peter: Unconditionally use hc mode for lz4 instead of introducing another option]
Signed-off-by: Matthias Weisser <m.weisser.m@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2015-10-04 18:35:40 +02:00

34 lines
833 B
Makefile

################################################################################
#
# Build the squashfs root filesystem image
#
################################################################################
ROOTFS_SQUASHFS_DEPENDENCIES = host-squashfs
ifeq ($(BR2_TARGET_ROOTFS_SQUASHFS4_LZ4),y)
ROOTFS_SQUASHFS_ARGS += -comp lz4 -Xhc
else
ifeq ($(BR2_TARGET_ROOTFS_SQUASHFS4_LZO),y)
ROOTFS_SQUASHFS_ARGS += -comp lzo
else
ifeq ($(BR2_TARGET_ROOTFS_SQUASHFS4_LZMA),y)
ROOTFS_SQUASHFS_ARGS += -comp lzma
else
ifeq ($(BR2_TARGET_ROOTFS_SQUASHFS4_XZ),y)
ROOTFS_SQUASHFS_ARGS += -comp xz
else
ROOTFS_SQUASHFS_ARGS += -comp gzip
endif
endif
endif
endif
define ROOTFS_SQUASHFS_CMD
$(HOST_DIR)/usr/bin/mksquashfs $(TARGET_DIR) $@ -noappend \
$(ROOTFS_SQUASHFS_ARGS) && \
chmod 0644 $@
endef
$(eval $(call ROOTFS_TARGET,squashfs))