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Kevin Darbyshire-Bryant dfd8c45a98 build: image: posix compatibility cut v head
Replace 2 instances of non posix use of 'head' with posix compliant
'cut'.

'head -c n' cuts 'n' bytes from the passed string and happens to work on
Linux & Mac OS X even though '-c' is not posix.

'head --bytes n' does the same thing and happens to work on linux but
not on Mac OS X and is also not posix.

'cut -b1-8' cuts the first 8 bytes from the passed string and is posix
compliant, hence works on Linux & Mac OS X.

Our usage of 'head --bytes' was particularly unfortunate since it was
used to calculated the RootFS UUID passed to grub - the net result being
a non-functioning system waiting for the root file system to appear.

Thanks to karlp, ynezz & others for pointers on solving this.

Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
2019-11-12 15:43:14 +00:00
.github
config Revert "build: separate signing logic" 2019-10-21 16:26:24 +02:00
include build: image: posix compatibility cut v head 2019-11-12 15:43:14 +00:00
package base-files: add 'wifi reconf' 2019-11-12 11:52:38 +01:00
scripts scripts/dl_github_archive.py: fix python3 str, bytes confusion 2019-11-04 11:11:19 +00:00
target kernel: bump 4.19 to 4.19.82 2019-11-12 10:15:01 +01:00
toolchain toolchain: gcc: enable sanitizers for glibc toolchain 2019-10-24 11:40:00 +00:00
tools ath79: add support for the TP-LINK CPE220 V3 2019-11-06 13:37:40 +01:00
.gitattributes
.gitignore gitignore: ignore patches in OpenWrt root directory 2019-11-06 00:27:55 +01:00
BSDmakefile
Config.in
LICENSE
Makefile build: add buildinfo as single Makefile target 2019-10-17 14:01:33 +02:00
README build: switch to Python 3 2019-07-26 08:09:16 +02:00
feeds.conf.default
rules.mk rules.mk: remove "$(STAGING_DIR)/include" 2019-11-02 20:51:56 +01:00

README

  _______                     ________        __
 |       |.-----.-----.-----.|  |  |  |.----.|  |_
 |   -   ||  _  |  -__|     ||  |  |  ||   _||   _|
 |_______||   __|_____|__|__||________||__|  |____|
          |__| W I R E L E S S   F R E E D O M
 -----------------------------------------------------

This is the buildsystem for the OpenWrt Linux distribution.

To build your own firmware you need a Linux, BSD or MacOSX system (case
sensitive filesystem required). Cygwin is unsupported because of the lack
of a case sensitive file system.

You need gcc, binutils, bzip2, flex, python3.5+, perl, make, find, grep, diff,
unzip, gawk, getopt, subversion, libz-dev and libc headers installed.

1. Run "./scripts/feeds update -a" to obtain all the latest package definitions
defined in feeds.conf / feeds.conf.default

2. Run "./scripts/feeds install -a" to install symlinks for all obtained
packages into package/feeds/

3. Run "make menuconfig" to select your preferred configuration for the
toolchain, target system & firmware packages.

4. Run "make" to build your firmware. This will download all sources, build
the cross-compile toolchain and then cross-compile the Linux kernel & all
chosen applications for your target system.

Sunshine!
	Your OpenWrt Community
	http://www.openwrt.org