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Felix Fietkau 3670f4128d busybox: lock: implement -n "Fail rather than wait" 
lock -n is similiar to flock -n. If the lock was already taken,
fail with exit code = 1 and write error message to stderr.

example:
if ! lock -n /tmp/foo ; then
	echo lock exits.
else
	echo lock was free. But is locked now.
fi
> lock was free. But is locked now.
> lock exists.

Signed-off-by: Alexander Couzens <lynxis@fe80.eu>

SVN-Revision: 46836
2015-09-09 20:36:10 +00:00
config linux: make IPv6 builtin if selected (saves >30KB) 2015-09-09 12:20:36 +00:00
docs build: Prevent more gzip timestamps 2015-07-14 09:57:45 +00:00
include nls.mk: add -rpath-link when needed for NLS support 2015-09-07 08:03:34 +00:00
package busybox: lock: implement -n "Fail rather than wait" 2015-09-09 20:36:10 +00:00
scripts build: add a build step for generic sysupgrade nand image 2015-09-04 14:44:27 +00:00
target generic: Fix per interface nf_call_iptables setting 2015-09-09 18:40:15 +00:00
toolchain musl: add a hack to remove unused crypt() algorithms, saves ~14k after lzma 2015-09-08 10:57:11 +00:00
tools tools/firmware-utils: add header version 2 support for mktplinkfw 2015-08-17 06:23:43 +00:00
.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 build: add integration for managing opkg package feed keys 2015-04-06 19:39:51 +00:00
BSDmakefile add missing copyright header 2007-02-26 01:05:09 +00:00
Config.in scripts/config: sync with linux upstream 2015-01-08 14:33:53 +00:00
feeds.conf.default feeds.conf.default: add new targets feed 2015-03-19 11:58:35 +00:00
LICENSE finally move buildroot-ng to trunk 2016-03-20 17:29:15 +01:00
Makefile Makefile: move the cleaning of staging_dir/target* from dirclean to clean 2015-06-14 17:47:16 +00:00
README Add 'subversion' build dependency to README 2014-08-31 12:06:32 +00:00
rules.mk rules.mk: remove GCC 4.4 and GCC 4.5 conditional 2015-08-25 07:45:42 +00:00

README 

This is the buildsystem for the OpenWrt Linux distribution.

Please use "make menuconfig" to configure your appreciated
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.

You can use "scripts/flashing/flash.sh" for remotely updating your embedded
system via tftp.

The OpenWrt system is documented in docs/. You will need a LaTeX distribution
and the tex4ht package to build the documentation. Type "make -C docs/" to build it.

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 Project
	http://openwrt.org