OpenWRT firmware for routers
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Adrian Schmutzler 6867d86e08 build: add DEVICE_COMPAT_VERSION and DEVICE_COMPAT_MESSAGE
We regularly encounter the situation that devices are subject to
changes that will make them incompatible to previous versions.
Removing SUPPORTED_DEVICES will not really be helpful in most of these
cases, as this only helps after a rename.

To solve this situation, this patchset introduces a compatibility
version for devices. It will be implemented via a per-device
Make variable DEVICE_COMPAT_VERSION, which will be set to 1.0
globally by default and then can be overwritten as needed.

Furthermore, a variable DEVICE_COMPAT_MESSAGE is added, where
a message to be displayed during sysupgrade may be specified
optionally.

This patch only implements the build variables and adds them
to the sysupgrade metadata, the evaluation will be addressed
in a subsequent patch.

To set it, one would just need to add the following to a device node:

define Device/somedevice
  ...
  DEVICE_COMPAT_VERSION := 1.1
  DEVICE_COMPAT_MESSAGE := Config cannot be migrated from swconfig to DSA
endef

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
4 years ago
.github build: Update README & github help 6 years ago
config build: add option to mark devices as BROKEN 4 years ago
include build: add DEVICE_COMPAT_VERSION and DEVICE_COMPAT_MESSAGE 4 years ago
package procd: update to git HEAD 4 years ago
scripts build: add option to mark devices as BROKEN 4 years ago
target ramips: add support for JS76x8 series DEV boards 4 years ago
toolchain toolchain: add PKG_RELEASE if local files 4 years ago
tools tools/mkimage: create .itb file with read-access for group,other not just owner. 4 years ago
.gitattributes add .gitattributes to prevent the git autocrlf option from messing with CRLF/LF in files 12 years ago
.gitignore build: improve ccache support 4 years ago
BSDmakefile add missing copyright header 17 years ago
Config.in merge: base: update base-files and basic config 6 years ago
LICENSE finally move buildroot-ng to trunk 8 years ago
Makefile build: improve ccache support 4 years ago
README build: switch to Python 3 5 years ago
feeds.conf.default feeds: add freifunk feed 4 years ago
rules.mk build: improve ccache support 4 years ago

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