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image_types.bbclass: Add XZ variable to set number of threads to be used while compressing 

Default this variable to 0. This will make xz use as many threads as there are CPU
cores on the system.

(From OE-Core rev: 81c8e8a81e90ce95042e9fff8bac6fa011c416d1)

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Signed-off-by: Andrei Gherzan <andrei@gherzan.ro>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Andrei Gherzan 2012-07-12 17:45:40 +03:00 committed by Richard Purdie
parent 5a281ea940
commit 89dc64c287
1 changed files with 2 additions and 1 deletions
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3
meta/classes/image_types.bbclass
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@ -124,6 +124,7 @@ def imagetypes_getdepends(d):
XZ_COMPRESSION_LEVEL ?= "-e -9"
XZ_INTEGRITY_CHECK ?= "crc32"
XZ_THREADS ?= "-T 0"
IMAGE_CMD_jffs2 = "mkfs.jffs2 --root=${IMAGE_ROOTFS} --faketime --output=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2 -n ${EXTRA_IMAGECMD}"
IMAGE_CMD_sum.jffs2 = "${IMAGE_CMD_jffs2} && sumtool -i ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2 \
@ -236,7 +237,7 @@ COMPRESSIONTYPES = "gz bz2 lzma xz"
COMPRESS_CMD_lzma = "lzma -k -f -7 ${IMAGE_NAME}.rootfs.${type}"
COMPRESS_CMD_gz = "gzip -f -9 -c ${IMAGE_NAME}.rootfs.${type} > ${IMAGE_NAME}.rootfs.${type}.gz"
COMPRESS_CMD_bz2 = "bzip2 -f -k ${IMAGE_NAME}.rootfs.${type}"
COMPRESS_CMD_xz = "xz -f -k -c ${XZ_COMPRESSION_LEVEL} --check=${XZ_INTEGRITY_CHECK} ${IMAGE_NAME}.rootfs.${type} > ${IMAGE_NAME}.rootfs.${type}.xz"
COMPRESS_CMD_xz = "xz -f -k -c ${XZ_COMPRESSION_LEVEL} ${XZ_THREADS} --check=${XZ_INTEGRITY_CHECK} ${IMAGE_NAME}.rootfs.${type} > ${IMAGE_NAME}.rootfs.${type}.xz"
COMPRESS_DEPENDS_lzma = "xz-native"
COMPRESS_DEPENDS_gz = ""
COMPRESS_DEPENDS_bz2 = ""