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Atharva Lele dc1431ec65 fs/tar: explicitly set extended header values to ensure binary reproducibility
Since we use --xattrs-include='*' to include all extended attributes,
tar creates a PAX formatted archive. The archive metadata captures atime
and ctime of files. To fix this, GNU recommends that we pass this added
argument to tar to create binary reproducible packages. Setting of mtime
is handled in fs/common.mk using touch on all files.

Diffoscope output pre-change: https://gitlab.com/snippets/1871111
Diffoscope output after change is blank i.e. binary reproducibile rootfs
is created.

GNU Recommendation: https://www.gnu.org/software/tar/manual/tar.html#SEC147

Signed-off-by: Atharva Lele <itsatharva@gmail.com>
Reviewed-by: Matt Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 9c449f9dd8)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2019-07-31 23:47:28 +02:00
arch arch: Add support for Westmere targets 2019-06-23 23:08:56 +02:00
board board/qemu: ensure root is available before mounting it 2019-07-06 22:22:53 +02:00
boot boot/barebox: needs host-{flex,bison} 2019-07-07 08:41:24 +02:00
configs configs/bananapi_m64: uboot needs host pylibfdt to build 2019-05-13 20:16:53 +02:00
docs docs/manual: 'Fixes' tag needs a colon 2019-07-31 23:42:48 +02:00
fs fs/tar: explicitly set extended header values to ensure binary reproducibility 2019-07-31 23:47:28 +02:00
linux {linux, linux-headers}: bump 4.{14, 19}.x / 5.1.x series 2019-07-07 08:52:04 +02:00
package package/imagemagick: add upstream security fix for CVE-2019-13454 2019-07-31 23:45:09 +02:00
support support/testing/infra/emulator: increase memory size used by Qemu 2019-06-24 21:58:48 +02:00
system system/skeleton: remove password expiration from shadow 2019-03-20 23:06:29 +01:00
toolchain toolchain/toolchain-external/toolchain-external-andes-nds32: add missing dependencies/select 2019-05-31 00:06:52 +02:00
utils utils/check-package: Add a quiet flag 2019-07-07 08:42:01 +02:00
.defconfig arch: remove support for sh64 2016-09-08 22:15:15 +02:00
.flake8 .flake8: fix check for 80/132 columns 2019-04-10 12:31:33 +02:00
.gitignore
.gitlab-ci.yml support/testing/tests: drop Python 2.x test in test_ipython 2019-05-18 22:41:22 +02:00
.gitlab-ci.yml.in .gitlab-ci.yml: add trigger per job 2019-05-01 15:42:45 +02:00
CHANGES Update for 2019.05.1 2019-07-07 22:09:08 +02:00
Config.in toolchain: set the ssp gcc option in kconfig 2019-03-13 00:01:55 +01:00
Config.in.legacy Config.in.legacy: add legacy entry for 4.20.x headers 2019-06-24 20:56:32 +02:00
COPYING COPYING: add exception about patch licensing 2016-02-26 19:50:13 +01:00
DEVELOPERS DEVELOPERS: Remove Markos Chandras 2019-06-24 22:07:44 +02:00
Makefile Update for 2019.05.1 2019-07-07 22:09:08 +02:00
Makefile.legacy Remove BR2_DEPRECATED 2016-10-15 23:14:45 +02:00
README README: add reference to submitting-patches 2016-02-01 19:16:08 +01:00

Buildroot is a simple, efficient and easy-to-use tool to generate embedded
Linux systems through cross-compilation.

The documentation can be found in docs/manual. You can generate a text
document with 'make manual-text' and read output/docs/manual/manual.text.
Online documentation can be found at http://buildroot.org/docs.html

To build and use the buildroot stuff, do the following:

1) run 'make menuconfig'
2) select the target architecture and the packages you wish to compile
3) run 'make'
4) wait while it compiles
5) find the kernel, bootloader, root filesystem, etc. in output/images

You do not need to be root to build or run buildroot.  Have fun!

Buildroot comes with a basic configuration for a number of boards. Run
'make list-defconfigs' to view the list of provided configurations.

Please feed suggestions, bug reports, insults, and bribes back to the
buildroot mailing list: buildroot@buildroot.org
You can also find us on #buildroot on Freenode IRC.

If you would like to contribute patches, please read
https://buildroot.org/manual.html#submitting-patches