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| author | Yann E. MORIN <yann.morin.1998@free.fr> | 2017-12-20 22:27:42 +0100 |
|---|---|---|
| committer | Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | 2017-12-31 18:13:36 +0100 |
| commit | 90867d8fdf45e7af24cf9e63e3ee8a70f30b479c (patch) | |
| tree | b3d5d22e97b9b6c24068560a8aec9e8c1b42cddd | |
| parent | 7555a2ae1a7941f2ed0761425253048c0551bc40 (diff) | |
| download | buildroot-90867d8fdf45e7af24cf9e63e3ee8a70f30b479c.tar.gz buildroot-90867d8fdf45e7af24cf9e63e3ee8a70f30b479c.zip | |
fs/iso9660: add option for transparent (de)compression
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
[Thomas: rename option to BR2_TARGET_ROOTFS_ISO9660_TRANSPARENT_COMPRESSION.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
| -rw-r--r-- | fs/iso9660/Config.in | 9 | ||||
| -rw-r--r-- | fs/iso9660/iso9660.mk | 12 |
2 files changed, 21 insertions, 0 deletions
diff --git a/fs/iso9660/Config.in b/fs/iso9660/Config.in index 842c987f21..6f001c0640 100644 --- a/fs/iso9660/Config.in +++ b/fs/iso9660/Config.in @@ -63,6 +63,15 @@ config BR2_TARGET_ROOTFS_ISO9660_INITRD contain a kernel image, an initrd image (unless an initramfs linked into the kernel is used) and the bootloader. +config BR2_TARGET_ROOTFS_ISO9660_TRANSPARENT_COMPRESSION + bool "transparent compression" + depends on !BR2_TARGET_ROOTFS_ISO9660_INITRD + depends on !BR2_TARGET_ROOTFS_INITRAMFS + help + Say 'y' to enable use of transparent (de)compression. Files + are stored compressed and will be decompressed on-the-fly + upon access at runtime. + config BR2_TARGET_ROOTFS_ISO9660_HYBRID bool "Build hybrid image" depends on BR2_TARGET_ROOTFS_ISO9660_ISOLINUX diff --git a/fs/iso9660/iso9660.mk b/fs/iso9660/iso9660.mk index c2de27101a..06467262e0 100644 --- a/fs/iso9660/iso9660.mk +++ b/fs/iso9660/iso9660.mk @@ -41,6 +41,17 @@ define ROOTFS_ISO9660_CREATE_TEMPDIR mkdir -p $(ROOTFS_ISO9660_TARGET_DIR) endef ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_CREATE_TEMPDIR +else ifeq ($(BR2_TARGET_ROOTFS_ISO9660_TRANSPARENT_COMPRESSION),y) +ROOTFS_ISO9660_TARGET_DIR = $(FS_DIR)/rootfs.iso9660.tmp +# This must be early, before we copy the bootloader files +define ROOTFS_ISO9660_MKZFTREE + $(RM) -rf $(ROOTFS_ISO9660_TARGET_DIR) + mkzftree -X -z 9 -p $(PARALLEL_JOBS) \ + $(TARGET_DIR) \ + $(ROOTFS_ISO9660_TARGET_DIR) +endef +ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_MKZFTREE +ROOTFS_ISO9660_GENISOIMAGE_OPTS += -z else ROOTFS_ISO9660_TARGET_DIR = $(TARGET_DIR) endif @@ -117,6 +128,7 @@ endif # ROOTFS_ISO9660_USE_INITRD define ROOTFS_ISO9660_CMD $(HOST_DIR)/bin/genisoimage -J -R -b $(ROOTFS_ISO9660_BOOT_IMAGE) \ -no-emul-boot -boot-load-size 4 -boot-info-table \ + $(ROOTFS_ISO9660_GENISOIMAGE_OPTS) \ -o $@ $(ROOTFS_ISO9660_TARGET_DIR) endef |
