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kernel: copy defconfig to {B} vs {S}

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For kernel's that use a split source/object build the copy
of defconfig to {S} in the base kernel class is problematic.
The previous solution for this was to override the do_configure
of the base kernel class in a subclass. While this is still
a viable/valid option, it does mean that changes to the base
do_configure will be missed.

The solution to this is to copy a defconfig to {B} which is
typically the same as {S}, so most kernel recipes won't see or
care about this change.

With this change in place, linux-yocto.bbclass can drop its
override of do_configure.

Tested with linux-yocto and oe linux recipes.

Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
This commit is contained in:
Bruce Ashfield
2011-08-05 19:49:00 +02:00
committed by Koen Kooi
parent 3df1853e1e
commit 3d96cb8778
1 changed files with 2 additions and 2 deletions
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meta-oe/classes/kernel.bbclass
+2 -2
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@@ -186,8 +186,8 @@ sysroot_stage_all_append() {
kernel_do_configure() { kernel_do_configure() {
# Copy defconfig to .config if .config does not exist. This allows # Copy defconfig to .config if .config does not exist. This allows
# recipes to manage the .config themselves in do_configure_prepend(). # recipes to manage the .config themselves in do_configure_prepend().
if [ -f "${WORKDIR}/defconfig" ] && [ ! -f "${S}/.config" ]; then if [ -f "${WORKDIR}/defconfig" ] && [ ! -f "${B}/.config" ]; then
cp "${WORKDIR}/defconfig" "${S}/.config" cp "${WORKDIR}/defconfig" "${B}/.config"
fi fi
yes '' | oe_runmake oldconfig yes '' | oe_runmake oldconfig