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Yann E. MORIN 1a7873ec98 Makefile: be careful what we remove from saved defconfig 
When we savedefconfig, we remove BR2_DEFCONFIG (f71a621d91, savedefconfig:
Remove BR2_DEFCONFIG from saved defconfig file) and BR2_DL_DIR (36edacce9c,
Makefile: exclude BR2_DL_DIR from savedefconfig), because their meaning
is only valid locally.

However, we were not careful to really match the exact variables, so we
could match arbitrary options.

For example, these config options would all be dropped:

    BR2_DEFCONFIG="toto"
    BR2_DL_DIR="titi"
    BR2_PACKAGE_SABR2_DEFCONFIG="tutu"
    BR2_PACKAGE_SABR2_DL_DIR=y

While the first two are indeed the ones we want to drop, the last two
are options (whatever their meaning or how poorly named they are) of the
hypothetical 'sabr2' package, and we want to keep those in a defconfig.

When cleaning the just-saved defconfig, be sure to anchor the patterns to
the beginning of the line.

Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Cc: Sven Oliver Moll <buildroot@svol.li>
Cc: Herve Codina <Herve.CODINA@celad.com>
Acked-by: Herve Codina <Herve.CODINA@celad.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2020-10-24 22:46:31 +02:00
arch arch/Config.in.s390x: drop redundant depends on BR2_s390x 2020-09-30 21:36:07 +02:00
board board/hardkernel/odruidc2: remove rootfs size limit 2020-10-15 23:12:31 +02:00
boot boot/uboot: add stm32 binary format 2020-10-13 22:41:41 +02:00
configs configs/raspberrypi*: bump kernel version to ff93994 (5.4.72) 2020-10-24 22:41:02 +02:00
docs docs/manual: add section about br2-external init 2020-10-14 23:04:33 +02:00
fs fs/jffs2: copy xattrs 2020-10-08 21:48:03 +02:00
linux {linux, linux-headers}: add version 5.9 2020-10-12 22:36:28 +02:00
package package/mrouted: bump to version 4.1 2020-10-24 22:45:02 +02:00
support support/scripts/apply-patches.sh: manage uncompression 2020-10-17 14:44:05 +02:00
system system: support br2-external init systems 2020-10-14 22:48:42 +02:00
toolchain toolchain/toolchain-external/toolchain-external-bootlin: regenerate with new PowerPC toolchains 2020-10-15 00:00:42 +02:00
utils genrandconfig: uboot-tools env/scr creation test files 2020-10-06 23:37:48 +02:00
.defconfig
.flake8
.gitignore
.gitlab-ci.yml gitlab-ci: update the image version 2020-08-15 09:47:00 +02:00
CHANGES Update for 2020.02.7 2020-10-12 23:58:24 +02:00
Config.in Config.in: update BR2_OPTIMIZE_FAST prompt and help text 2020-07-18 16:05:01 +02:00
Config.in.legacy package/libcroco: drop package 2020-10-16 20:11:45 +02:00
COPYING
DEVELOPERS DEVELOPERS: remove Adam Duskett 2020-10-24 22:42:18 +02:00
Makefile Makefile: be careful what we remove from saved defconfig 2020-10-24 22:46:31 +02:00
Makefile.legacy
README

README 

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