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

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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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meta/classes/image_types.bbclass
+2 -1
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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 = ""