[oe-commits] [openembedded-core] 10/16: Set XZ_COMPRESSION_LEVEL to -9

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rpurdie pushed a commit to branch master-next
in repository openembedded-core.

commit 031f0c4ee99a4c2e81a65ac0b573b097f9bd0d56
Author: Adrian Bunk <bunk at stusta.de>
AuthorDate: Sat Apr 13 00:09:12 2019 +0300

    Set XZ_COMPRESSION_LEVEL to -9
    
    It is consistent with other compressors also using their
    best compression.
    
    xz is currently the option that offers best compression,
    using settings even lower than the default is surprising
    and makes it harder to choose the best available compression.
    
    For anyone who cares about compression time using a different
    option like gzip or bzip2 is the logical choice.
    
    For decompression, better compressed is actually faster
    to decompress.
    
    Signed-off-by: Adrian Bunk <bunk at stusta.de>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/classes/image_types.bbclass | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass
index 95aa167..1c44ec4 100644
--- a/meta/classes/image_types.bbclass
+++ b/meta/classes/image_types.bbclass
@@ -54,7 +54,7 @@ def imagetypes_getdepends(d):
     # Sort the set so that ordering is consistant
     return " ".join(sorted(deps))
 
-XZ_COMPRESSION_LEVEL ?= "-3"
+XZ_COMPRESSION_LEVEL ?= "-9"
 XZ_INTEGRITY_CHECK ?= "crc32"
 
 ZIP_COMPRESSION_LEVEL ?= "-9"

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