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authorFlorian Fainelli <florian@openwrt.org>2013-01-11 16:44:26 +0000
committerFlorian Fainelli <florian@openwrt.org>2013-01-11 16:44:26 +0000
commitce5dd3b9e2a0c92251490eb290ca0b07e25575fd (patch)
tree043466f6cdbb3cc5336d104d8a728640e4309f8c /include
parent27828be83a4c3ad3182fd30120a1513763154db2 (diff)
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image.mk: use XZ bcj architecture filter if available
xz supports using an architecture specific BCJ filter, use that one to save us a couple kB while producing squashfs filesystems (mimics the Linux kernel). Signed-off-by: Florian Fainelli <florian@openwrt.org> SVN-Revision: 35097
Diffstat (limited to 'include')
-rw-r--r--include/image.mk5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/image.mk b/include/image.mk
index 503115ddb0..7c45b39462 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -50,7 +50,10 @@ ifeq ($(CONFIG_SQUASHFS_LZMA),y)
SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS)
endif
ifeq ($(CONFIG_SQUASHFS_XZ),y)
- SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS)
+ ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
+ BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
+ endif
+ SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
endif
JFFS2_BLOCKSIZE ?= 64k 128k