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Jo-Philipp Wich 3f5e39e960 zlib: only enable NEON optimizations on eligible targets 
Instead of inferring the availability of NEON support from the target
optimization flags, use a preprocessor test to decide whether to enable
ARMv8 NEON optimizations.

Fixes the following build error spotted by the mediatek/32 buildbot:

    [ 26%] Building C object CMakeFiles/zlib.dir/contrib/arm/inflate.o
    In file included from .../zlib-1.2.11/contrib/arm/chunkcopy.h:10:0,
                     from .../zlib-1.2.11/contrib/arm/inflate.c:87:
    .../arm_neon.h:31:2: error: #error You must enable NEON instructions (e.g. -mfloat-abi=softfp -mfpu=neon) to use arm_neon.h
     #error You must enable NEON instructions (e.g. -mfloat-abi=softfp -mfpu=neon) to use arm_neon.h
      ^
    In file included from .../zlib-1.2.11/contrib/arm/inflate.c:87:0:
    .../zlib-1.2.11/contrib/arm/chunkcopy.h:18:9: error: unknown type name 'uint8x16_t'
     typedef uint8x16_t chunkcopy_chunk_t;
             ^
    [...]
    CMakeFiles/zlib.dir/build.make:302: recipe for target 'CMakeFiles/zlib.dir/contrib/arm/inflate.o' failed

Fixes: 3acecba520 "package/libs/zlib: Add ARM and NEON optimizations"
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2018-01-07 12:33:47 +01:00
.github merge: github: use OpenWrt in issue/pr templates 2018-01-03 20:36:57 +01:00
config kernel: fix spelling in CONFIG_DEVTMPFS help text 2017-12-11 12:43:29 +01:00
include kernel: bump 4.14 to 4.14.11 2018-01-03 00:07:10 +02:00
package zlib: only enable NEON optimizations on eligible targets 2018-01-07 12:33:47 +01:00
scripts scripts/package-metadata.pl: remove broken detection of self-dependencies 2018-01-04 17:18:16 +01:00
target lantiq: fix wbmr-hp-g300h image metadata 2018-01-04 21:23:59 +01:00
toolchain toolchain: musl: update to current HEAD 2017-12-08 19:54:21 +01:00
tools firmware-tools/ptgen: use portable exit codes 2018-01-02 07:14:09 +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 /overlay 2017-01-15 18:16:29 +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 Add video feed to feeds.conf.default 2017-01-25 16:04:39 +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: export TMPDIR 2017-12-12 17:44:01 +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