13069b1a1d
`which` utility is not shipped by default for example on recent Arch Linux and then any steps relying on its presence fails, like for example following Python3 prereq build check: $ python3 --version Python 3.9.1 $ make /bin/sh: line 1: which: command not found ... Checking 'python3'... failed. So make `which` utility host build requirement. References: PR#3820 FS#3525 Signed-off-by: Petr Štetiar <ynezz@true.cz>
88 lines
3.4 KiB
Markdown
88 lines
3.4 KiB
Markdown
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OpenWrt Project is a Linux operating system targeting embedded devices. Instead
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of trying to create a single, static firmware, OpenWrt provides a fully
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writable filesystem with package management. This frees you from the
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application selection and configuration provided by the vendor and allows you
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to customize the device through the use of packages to suit any application.
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For developers, OpenWrt is the framework to build an application without having
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to build a complete firmware around it; for users this means the ability for
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full customization, to use the device in ways never envisioned.
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Sunshine!
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## Development
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To build your own firmware you need a GNU/Linux, BSD or MacOSX system (case
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sensitive filesystem required). Cygwin is unsupported because of the lack of a
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case sensitive file system.
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### Requirements
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You need the following tools to compile OpenWrt, the package names vary between
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distributions. A complete list with distribution specific packages is found in
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the [Build System Setup](https://openwrt.org/docs/guide-developer/build-system/install-buildsystem)
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documentation.
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```
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gcc-6+ binutils bzip2 flex python3 perl make4.1+ find grep diff unzip gawk getopt
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subversion libz-dev libc-dev rsync which
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```
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### Quickstart
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1. Run `./scripts/feeds update -a` to obtain all the latest package definitions
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defined in feeds.conf / feeds.conf.default
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2. Run `./scripts/feeds install -a` to install symlinks for all obtained
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packages into package/feeds/
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3. Run `make menuconfig` to select your preferred configuration for the
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toolchain, target system & firmware packages.
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4. Run `make` to build your firmware. This will download all sources, build the
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cross-compile toolchain and then cross-compile the GNU/Linux kernel & all chosen
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applications for your target system.
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### Related Repositories
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The main repository uses multiple sub-repositories to manage packages of
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different categories. All packages are installed via the OpenWrt package
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manager called `opkg`. If you're looking to develop the web interface or port
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packages to OpenWrt, please find the fitting repository below.
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* [LuCI Web Interface](https://github.com/openwrt/luci): Modern and modular
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interface to control the device via a web browser.
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* [OpenWrt Packages](https://github.com/openwrt/packages): Community repository
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of ported packages.
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* [OpenWrt Routing](https://github.com/openwrt-routing/packages): Packages
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specifically focused on (mesh) routing.
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## Support Information
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For a list of supported devices see the [OpenWrt Hardware Database](https://openwrt.org/supported_devices)
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### Documentation
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* [Quick Start Guide](https://openwrt.org/docs/guide-quick-start/start)
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* [User Guide](https://openwrt.org/docs/guide-user/start)
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* [Developer Documentation](https://openwrt.org/docs/guide-developer/start)
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* [Technical Reference](https://openwrt.org/docs/techref/start)
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### Support Community
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* [Forum](https://forum.openwrt.org): For usage, projects, discussions and hardware advise.
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* [Support Chat](https://webchat.freenode.net/#openwrt): Channel `#openwrt` on freenode.net.
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### Developer Community
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* [Bug Reports](https://bugs.openwrt.org): Report bugs in OpenWrt
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* [Dev Mailing List](https://lists.openwrt.org/mailman/listinfo/openwrt-devel): Send patches
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* [Dev Chat](https://webchat.freenode.net/#openwrt-devel): Channel `#openwrt-devel` on freenode.net.
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## License
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OpenWrt is licensed under GPL-2.0
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