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Julien Dusser df0bd42fde build: add hardened builds with PIE (ASLR) support 
Introduce a configuration option to build a "hardened" OpenWrt with
ASLR PIE support.

Add new option PKG_ASLR_PIE to enable Address Space Layout Randomization (ASLR)
by building Position Independent Executables (PIE). This new option protects
against "return-to-text" attacks.

Busybox need a special care, link is done with ld, not gcc, leading to
unknown flags. Set BUSYBOX_DEFAULT_PIE instead and disable PKG_ASLR_PIE.

If other failing packages were found, PKG_ASLR_PIE:=0 should be added to
their Makefiles.

Original Work by: Yongkui Han <yonhan@cisco.com>
Signed-off-by: Julien Dusser <julien.dusser@free.fr>
2018-01-27 16:46:45 +01:00
.github merge: github: use OpenWrt in issue/pr templates 2018-01-03 20:36:57 +01:00
config build: add hardened builds with PIE (ASLR) support 2018-01-27 16:46:45 +01:00
include build: add hardened builds with PIE (ASLR) support 2018-01-27 16:46:45 +01:00
package build: add hardened builds with PIE (ASLR) support 2018-01-27 16:46:45 +01:00
scripts metadata: do not emit broken kconfig dependency statements 2018-01-14 19:00:06 +01:00
target ar71xx: add ew-balin platform from Embedded Wireless 2018-01-25 16:50:08 +01:00
toolchain kernel-headers: adjust PKG_ variables when using git clone method 2018-01-27 16:46:45 +01:00
tools tools/tar: update to 1.30 2018-01-20 20:22:01 +01:00
.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 .project & .cproject for eclipse users 2018-01-17 11:07:17 +01:00
BSDmakefile add missing copyright header 2007-02-26 01:05:09 +00:00
Config.in merge: base: update base-files and basic config 2017-12-08 19:41:18 +01:00
feeds.conf.default feeds: switch git.lede-project.org URLs to git.openwrt.org 2018-01-16 16:59:22 +01:00
LICENSE finally move buildroot-ng to trunk 2016-03-20 17:29:15 +01:00
Makefile merge: base: update base-files and basic config 2017-12-08 19:41:18 +01:00
README merge: base: update base-files and basic config 2017-12-08 19:41:18 +01:00
rules.mk rules.mk: drop include_mk build rule 2018-01-26 12:55:14 +01:00

README 

This is the buildsystem for the OpenWrt Linux distribution.

Please use "make menuconfig" to choose your preferred
configuration for the toolchain and firmware.

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

Run "./scripts/feeds update -a" to get all the latest package definitions
defined in feeds.conf / feeds.conf.default respectively
and "./scripts/feeds install -a" to install symlinks of all of them into
package/feeds/.

Use "make menuconfig" to configure your image.

Simply running "make" will build your firmware.
It will download all sources, build the cross-compile toolchain, 
the kernel and all choosen applications.

To build your own firmware you need to have access to a Linux, BSD or MacOSX system
(case-sensitive filesystem required). Cygwin will not be supported because of
the lack of case sensitiveness in the file system.


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