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Since BusyBox 1.25.0 dd command supports iflag=skip_bytes which allows skipping requested amount of bytes without reducing blocksize. Thanks to this we can leave default blocksize and let dd work more efficiently. On Netgear R6250 "dd skip=58 iflag=skip_bytes" can be 5 times faster than "dd bs=58 skip=1" when extracting TRX out of CHK. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
This is the buildsystem for the OpenWrt Linux distribution. Please use "make menuconfig" to choose your preferred configuration for the toolchain and firmware. You need to have installed gcc, binutils, bzip2, flex, python, perl, make, find, grep, diff, unzip, gawk, getopt, subversion, libz-dev and libc headers. Run "./scripts/feeds update -a" to get all the latest package definitions defined in feeds.conf / feeds.conf.default respectively and "./scripts/feeds install -a" to install symlinks of all of them into package/feeds/. Use "make menuconfig" to configure your image. Simply running "make" will build your firmware. It will download all sources, build the cross-compile toolchain, the kernel and all choosen applications. To build your own firmware you need to have access to a Linux, BSD or MacOSX system (case-sensitive filesystem required). Cygwin will not be supported because of the lack of case sensitiveness in the file system. Sunshine! Your OpenWrt Community http://www.openwrt.org