OpenWRT firmware for routers
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Jo-Philipp Wich 386803a006 iproute2: only link libelf where needed
The iproute2 build system links libelf support to every utility while only
the tc program actually requires libelf specific functionality.

Unfortunately the BPF ELF functionality is not confined into an own
compilation unit but added to the existing bpf.c sources of the shared
static libutil.a, causing every iproute2 applet to pick up an implicit
libelf.so dependency.

In order to avoid this requirement, patch the iproute2 build system to
create both a libutil.a and a libutil-elf.a, with the former being built
without libelf functionality and to only link the tc applet with the libelf
enabled libutil.

Finally, make the tc package depend on libelf to solve compilation errors.

Ref: https://github.com/openwrt/packages/issues/7728
Fixes: FS#2011
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
5 years ago
.github build: Update README & github help 6 years ago
config sunxi: fix build without ext4 rootfs 6 years ago
include build: fix build dependency of kmod .ipk with version filtered files 5 years ago
package iproute2: only link libelf where needed 5 years ago
scripts scripts/qemustart: more compact rand_mac() 5 years ago
target brcm2708: switch to kernel 4.14 5 years ago
toolchain gcc: update to version 7.4.0 5 years ago
tools ath79: add support for TP-Link Archer A7 5 years ago
.gitattributes add .gitattributes to prevent the git autocrlf option from messing with CRLF/LF in files 12 years ago
.gitignore .gitignore: add .project & .cproject for eclipse users 6 years ago
BSDmakefile add missing copyright header 17 years ago
Config.in merge: base: update base-files and basic config 7 years ago
LICENSE finally move buildroot-ng to trunk 8 years ago
Makefile build: Unset CDPATH to avoid problems 6 years ago
README build: README punctuation pendantry 6 years ago
feeds.conf.default feeds: switch git.lede-project.org URLs to git.openwrt.org 6 years ago
rules.mk rules.mk: fix syntax error 6 years ago

README

  _______                     ________        __
 |       |.-----.-----.-----.|  |  |  |.----.|  |_
 |   -   ||  _  |  -__|     ||  |  |  ||   _||   _|
 |_______||   __|_____|__|__||________||__|  |____|
          |__| W I R E L E S S   F R E E D O M
 -----------------------------------------------------

This is the buildsystem for the OpenWrt Linux distribution.

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

You need gcc, binutils, bzip2, flex, python, perl, make, find, grep, diff,
unzip, gawk, getopt, subversion, libz-dev and libc headers installed.

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 Linux kernel & all
chosen applications for your target system.

Sunshine!
	Your OpenWrt Community
	http://www.openwrt.org