image_types: use pigz to create .gz files

Since pigz is no longer a drop-in replacement for gzip (oe-core 1624b7b) the
image creation has been using gzip instead of pigz, despite still depending on
pigz-native.  Fix this by invoking pigz explicitly.

Signed-off-by: Ross Burton <ross.burton@intel.com>

diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass
index e872ae20982d7442d4b0cdd297010c4f143c33de..00a00d318f4516f511898bcf482c755551f3a997 100644 (file)
--- a/meta/classes/image_types.bbclass
+++ b/meta/classes/image_types.bbclass
@@ -281,7 +281,7 @@ COMPRESSIONTYPES ?= ""
 
 CONVERSIONTYPES = "gz bz2 lzma xz lz4 lzo zip sum md5sum sha1sum sha224sum sha256sum sha384sum sha512sum bmap u-boot vmdk vdi qcow2 ${COMPRESSIONTYPES}"
 CONVERSION_CMD_lzma = "lzma -k -f -7 ${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.${type}"
-CONVERSION_CMD_gz = "gzip -f -9 -n -c ${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.${type} > ${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.${type}.gz"
+CONVERSION_CMD_gz = "pigz -f -9 -n -c ${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.${type} > ${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.${type}.gz"
 CONVERSION_CMD_bz2 = "pbzip2 -f -k ${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.${type}"
 CONVERSION_CMD_xz = "xz -f -k -c ${XZ_COMPRESSION_LEVEL} ${XZ_THREADS} --check=${XZ_INTEGRITY_CHECK} ${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.${type} > ${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.${type}.xz"
 CONVERSION_CMD_lz4 = "lz4 -9 -z -l ${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.${type} ${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.${type}.lz4"