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Sven Roederer f25dc53723 imagebuilder: unset BINARY_FOLDER and DOWNLOAD_FOLDER in final archive 
Using these config-options to customize the folders used at build-time
makes these folder settings appear in generated archive. This causes the
imagebuilder to be not portable, as it's going to use the build-time folders
on the new systems. Errors look like:

  mkdir: cannot create directory '/mnt/build': Permission denied
  Makefile:116: recipe for target '_call_image' failed
  make[2]: *** [_call_image] Error 1
  Makefile:241: recipe for target 'image' failed
  make[1]: *** [image] Error 2

The build-time settings of these folders are passed into the archives via
.config file.
The expected behavior is that after unpacking the imagebuilder acts like
these settings have their defaults, using intree folders. So unset the
build-time settings.

Signed-off-by: Sven Roederer <devel-sven@geroedel.de>
(cherry picked from commit 6967903b01)
2021-05-14 22:52:40 +02:00
.github build: Update README & github help 2018-07-08 09:41:53 +01:00
config build: use SPDX license tags 2021-02-05 14:54:47 +01:00
include Extend checks on build prerequisites for building OpenWRT core 2021-05-08 12:45:55 +02:00
LICENSES LICENSES: include all used licenses in LICENSES directory 2021-02-14 19:21:38 +01:00
package busybox: add SRV support to nslookup_lede.c patch 2021-05-14 00:13:45 +02:00
scripts build,json: backport default_packages fixes 2021-03-25 23:15:42 -10:00
target imagebuilder: unset BINARY_FOLDER and DOWNLOAD_FOLDER in final archive 2021-05-14 22:52:40 +02:00
toolchain glibc: update to latest 2.33 commit 2021-04-18 12:04:52 +02:00
tools tplink-safeloader: fix product_name of TP-Link AD7200 2021-05-06 09:53:44 +02:00
.gitattributes add .gitattributes to prevent the git autocrlf option from messing with CRLF/LF in files 2012-05-08 13:30:49 +00:00
.gitignore gitignore: add .vscode for VS Code users 2021-03-29 22:26:27 +02:00
BSDmakefile build: use SPDX license tags 2021-02-05 14:54:47 +01:00
Config.in build: use SPDX license tags 2021-02-05 14:54:47 +01:00
COPYING COPYING: add COPYING file to specify project licenses 2021-02-14 19:21:38 +01:00
feeds.conf.default OpenWrt v21.02.0-rc1: revert to branch defaults 2021-04-19 21:10:17 +02:00
Makefile Revert "build: replace which with Bash command built-in" 2021-03-03 23:02:30 +01:00
README.md build: add which command to build requirements 2021-03-03 23:03:25 +01:00
rules.mk build: make sure asm gets built with -DPIC 2021-04-10 15:05:18 +02:00

README.md

OpenWrt logo

OpenWrt Project is a Linux operating system targeting embedded devices. Instead of trying to create a single, static firmware, OpenWrt provides a fully writable filesystem with package management. This frees you from the application selection and configuration provided by the vendor and allows you to customize the device through the use of packages to suit any application. For developers, OpenWrt is the framework to build an application without having to build a complete firmware around it; for users this means the ability for full customization, to use the device in ways never envisioned.

Sunshine!

Development

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

Requirements

You need the following tools to compile OpenWrt, the package names vary between distributions. A complete list with distribution specific packages is found in the Build System Setup documentation.

gcc binutils bzip2 flex python3 perl make find grep diff unzip gawk getopt
subversion libz-dev libc-dev rsync which

Quickstart

  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 GNU/Linux kernel & all chosen applications for your target system.

Related Repositories

The main repository uses multiple sub-repositories to manage packages of different categories. All packages are installed via the OpenWrt package manager called opkg. If you're looking to develop the web interface or port packages to OpenWrt, please find the fitting repository below.

Support Information

For a list of supported devices see the OpenWrt Hardware Database

Documentation

Support Community

  • Forum: For usage, projects, discussions and hardware advise.
  • Support Chat: Channel #openwrt on freenode.net.

Developer Community

License

OpenWrt is licensed under GPL-2.0