4dc10ec711
New m4 release was made after a long time, for us most importantly it ships newer gnulib so it compiles against GCC15 without forcing GNU17. * Noteworthy changes in release 1.4.20 (2025-05-10) [stable] ** Fix a bug in the `eval' builtin where it does not suppress warnings about division by zero that occurs within a more complex expression on the right hand side of || or && (present since short-circuiting was introduced in 1.4.8b). ** The `syscmd' and `esyscmd' builtins no longer mishandle a command line starting with `-' or `+' (present since "the beginning"). ** Fix regression introduced in 1.4.19 where trace output (such as with `debugmode(t)') could read invalid memory when tracing a series of pushed macros that are popped during argument collection. ** Fix regression introduced in 1.4.19 where the `format' builtin inadvertently took on locale-dependent parsing and output of floating point numbers as a side-effect of introducing message translations. While it would be nice for m4 to be fully locale-aware, such a behavior change belongs in a major version release such as 1.6, and not a minor release. ** Fix regression introduced in 1.4.11 where the experimental `changeword' builtin could cause a crash if given a regex that does not match all one-byte prefixes of valid longer matches. As a reminder, `changeword' is not recommended for production use, and will likely not be present in the next major version release. ** On non-Unix platforms where binary files differ from text, loading a frozen file (which should be cross-platform compatible) now correctly uses binary mode. ** Several documentation improvements to the manual. ** Update to comply with newer C standards, and inherit portability improvements from gnulib. Link: https://github.com/openwrt/openwrt/pull/18821 Signed-off-by: Robert Marko <robimarko@gmail.com> |
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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!
Download
Built firmware images are available for many architectures and come with a package selection to be used as WiFi home router. To quickly find a factory image usable to migrate from a vendor stock firmware to OpenWrt, try the Firmware Selector.
If your device is supported, please follow the Info link to see install instructions or consult the support resources listed below.
An advanced user may require additional or specific package. (Toolchain, SDK, ...) For everything else than simple firmware download, try the wiki download page:
Development
To build your own firmware you need a GNU/Linux, BSD or macOS 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.
binutils bzip2 diff find flex gawk gcc-6+ getopt grep install libc-dev libz-dev
make4.1+ perl python3.7+ rsync subversion unzip which
Quickstart
-
Run
./scripts/feeds update -ato obtain all the latest package definitions defined in feeds.conf / feeds.conf.default -
Run
./scripts/feeds install -ato install symlinks for all obtained packages into package/feeds/ -
Run
make menuconfigto select your preferred configuration for the toolchain, target system & firmware packages. -
Run
maketo 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.
-
LuCI Web Interface: Modern and modular interface to control the device via a web browser.
-
OpenWrt Packages: Community repository of ported packages.
-
OpenWrt Routing: Packages specifically focused on (mesh) routing.
-
OpenWrt Video: Packages specifically focused on display servers and clients (Xorg and Wayland).
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
#openwrton oftc.net.
Developer Community
- Bug Reports: Report bugs in OpenWrt
- Dev Mailing List: Send patches
- Dev Chat: Channel
#openwrt-develon oftc.net.
License
OpenWrt is licensed under GPL-2.0