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Alois Klink f5db80a3ab uclibc++: fix compilation with long file paths
Currently, uClic++ 0.2.5 fails to compile when using a long filepath.

For example, if the openwrt directory is in the path:
/tmp/this_directory_name_is_very_long/more_long_paths/.../openwrt,
then uclibc++ will cause a very obtuse error.

Although the uclibc++ makefiles do print a "File name too long" error,
it's not the final error that's printed, so it's a bit confusing:

> /bin/sh: 1:
> cannot create src/abi/libsupc/<SNIP>_libsupc++.a.dep: File name too long
> <SNIP: some other makefile output here>
> array_type_info.o: No such file or directory

Although OpenWRT 22.03 and current master branch have removed uClib++,
I thought I'd make a PR for OpenWRT 21.02, since I encountered it
and there seems to be quite a few other people experiencing the same issue.
It especially happens when using the SDK, (or when using an encrypted fs)
since the pre-packaged SDKs have very long filenames.

This patch is already in upstream [1], but has not yet been released.

[1]: https://git.busybox.net/uClibc++/commit/?id=6687fc9276fa52defaf8592f2001c19b826aec93

Signed-off-by: Alois Klink <alois@aloisklink.com>
2022-08-28 07:53:56 +02:00
.github build: Update README & github help 2018-07-08 09:41:53 +01:00
LICENSES LICENSES: include all used licenses in LICENSES directory 2021-02-14 19:21:38 +01:00
config bcm53xx: use -falign-functions=32 for kernel compilation 2022-07-08 16:18:25 +02:00
include kernel: support setting extra CFLAGS for kernel compilation 2022-07-08 15:38:42 +02:00
package uclibc++: fix compilation with long file paths 2022-08-28 07:53:56 +02:00
scripts build,json: fix generation with empty profiles 2021-06-21 09:43:21 -10:00
target octeon: add SUPPORTED_DEVICES to er/erlite 2022-07-29 15:10:21 +02:00
toolchain glibc: update to latest 2.33 HEAD 2022-02-13 00:23:30 +01:00
tools tools/libressl: update to version 3.4.3 2022-07-15 15:52:13 +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
COPYING COPYING: add COPYING file to specify project licenses 2021-02-14 19:21:38 +01:00
Config.in build: use SPDX license tags 2021-02-05 14:54:47 +01:00
Makefile Revert "build: replace which with Bash command built-in" 2021-03-03 23:02:30 +01:00
README.md README: switch from freenode to oftc 2021-06-12 12:41:29 -10:00
feeds.conf.default OpenWrt v21.02.3: revert to branch defaults 2022-04-17 21:00:07 +02:00
rules.mk kernel: use KCFLAGS for passing EXTRA_OPTIMIZATION flags 2022-07-08 15:38:42 +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!

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.

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 oftc.net.

Developer Community

License

OpenWrt is licensed under GPL-2.0