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Michael Pratt 518923178c tools/cmake: disable cmake script debugger 
Upstream commit a9a592f96e6498da302f8e968be1db0ad3c32123
("cmake: Add debugger") added a huge amount of code
in order to create a debugging feature for CMakeLists.txt
of other projects. This was added to CMake since 3.27.x.

Unforunately, this new debugger will not build on ARM systems
like arm-linux-gnueabihf (Raspberry Pi 4), and takes up
extra build time for something Openwrt doesn't need,
yet it was enabled by default. (Thanks Microsoft....)

Specifically, it's a failure to link to functions like
__atomic_store_8, __atomic_load_8, __atomic_fetch_add_8, etc.

Let's just disable it.

Someone who really needs this for developing can have CMake
with the debugger on their host machine or manually re-enable it here.

Link: https://gitlab.kitware.com/cmake/cmake/-/issues/21510
Link: https://devblogs.microsoft.com/cppblog/cmake-debugger-allows-you-to-debug-your-cmake-scripts-and-more/
Signed-off-by: Michael Pratt <mcpratt@pm.me>
2023-10-13 09:27:18 +02:00
.github CI: push-containers: refresh containers also on modify cmake options 2023-10-04 13:28:58 +02:00
config kernel: default ARM_PMU on for armsr/armv8 2023-08-15 15:55:00 +02:00
include kernel: bump 5.15 to 5.15.135 2023-10-12 08:26:06 +02:00
LICENSES
package libnl: update to 3.8.0 2023-10-12 09:50:38 +02:00
scripts Delete arm-magic script 2023-10-04 15:11:16 +02:00
target bcm53xx: build a single device per profile 2023-10-13 07:32:22 +02:00
toolchain toolchain: glibc: Update glibc 2.37 to recent HEAD 2023-10-08 14:05:12 +02:00
tools tools/cmake: disable cmake script debugger 2023-10-13 09:27:18 +02:00
.gitattributes
.gitignore .gitignore: ignore link if target is included from feed 2023-07-26 17:45:11 +02:00
BSDmakefile
Config.in
COPYING
feeds.conf.default Revert "feeds: use git-src-full to allow Git versioning" 2023-05-23 14:38:55 +02:00
Makefile treewide: add ORIG_PATH variable 2023-06-05 08:31:47 +02:00
README.md build: drop support for python 3.6 2023-05-22 13:23:35 +02:00
rules.mk prereq-build: increase GCC requirement to 8 2023-08-14 20:18:42 +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!

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 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.

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

  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.

  • 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 #openwrt on oftc.net.

Developer Community

License

OpenWrt is licensed under GPL-2.0