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>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35097 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Florian Fainelli 2013-01-11 16:44:26 +00:00
parent 2e12554148
commit c87db17012
1 changed files with 4 additions and 1 deletions

View File

@ -50,7 +50,10 @@ ifeq ($(CONFIG_SQUASHFS_LZMA),y)
SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS) SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS)
endif endif
ifeq ($(CONFIG_SQUASHFS_XZ),y) 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 endif
JFFS2_BLOCKSIZE ?= 64k 128k JFFS2_BLOCKSIZE ?= 64k 128k