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poky/meta/classes
Alexandre Belloni 2bdc00fe74 kernel: use oldnoconfig before yes '' | make oldconfig
When using a defconfig, using yes '' | make oldconfig may not result in
the correct configuration being set. For example:

 $ ARCH=mips make qi_lb60_defconfig
 #
 # configuration written to .config
 #
 $ grep USB_ETH .config
 CONFIG_USB_ETH=y
 # CONFIG_USB_ETH_RNDIS is not set
 # CONFIG_USB_ETH_EEM is not set

 $ cp arch/mips/configs/qi_lb60_defconfig .config
 $ yes '' | make ARCH=mips oldconfig
[...]
 $ grep USB_ETH .config
 CONFIG_USB_ETH=m
 # CONFIG_USB_ETH_RNDIS is not set
 # CONFIG_USB_ETH_EEM is not set

Using make olddefconfig solves that but we'll use the oldnoconfig alias
for backward compatibility with older kernels.

 $ cp arch/mips/configs/qi_lb60_defconfig .config
 $ make ARCH=mips oldnoconfig
 scripts/kconfig/conf --olddefconfig Kconfig
 #
 # configuration written to .config
 #
 $ grep USB_ETH .config
 CONFIG_USB_ETH=y
 # CONFIG_USB_ETH_RNDIS is not set
 # CONFIG_USB_ETH_EEM is not set

(From OE-Core rev: 9b75f6a5786ff7b2e6219d78b38f0032f100c660)

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2014-02-11 11:56:56 +00:00
..
2013-11-29 09:52:57 +00:00