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Arnout Vandecappelle 53903a1520 *config: improve handling of BR2_LEGACY
In 8a46d4bf1f the randpackageconfig and allpackageyesconfig were
extended with disabling all the legacy options, otherwise the resulting
config couldn't be built. However, that didn't work for randconfig and
allyesconfig.

This commit reverts 8a46d4bf1f and replaces it with a different
approach: skipping of the legacy config options is passed explicitly
through the environment variable SKIP_LEGACY, which forces
BR2_SKIP_LEGACY to y. The new option BR2_SKIP_LEGACY completely
disables the legacy handling, which effectively removes all the legacy
options from the .config.

However, in that case no values are set for the legacy options so a
subsequent oldconfig will query them. Therefore, run an additional
olddefconfig.

[Peter: fix s/BR2_LEGACY/SKIP_LEGACY/ typo]
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
[yann.morin.1998@free.fr: do not rely on a user-visible option, works
 perfectly well with only blind options set from the environment]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2015-04-11 08:22:28 +02:00
arch arch: add core-avx2 2015-04-09 23:34:14 +02:00
board
boot
configs
docs docs/manual: add _PATCH_DEPENDENCIES 2015-04-09 22:48:21 +02:00
fs
linux linux: fix fbtft kernel extension 2015-04-09 23:26:16 +02:00
package botan: pass --prefix=/usr to fix .pc file 2015-04-10 22:55:00 +02:00
support
system system: remove DES password encoding 2015-04-10 22:28:32 +02:00
toolchain
.defconfig
.gitignore
CHANGES
Config.in
Config.in.legacy *config: improve handling of BR2_LEGACY 2015-04-11 08:22:28 +02:00
COPYING
Makefile *config: improve handling of BR2_LEGACY 2015-04-11 08:22:28 +02:00
Makefile.legacy
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.