Sorry, Markus. Ignore my previous post. It has error. I think you need to check the output of "bitbake -e <recipe name>" and see how the .config file is created for your recipe. Based on that only we need to update the recipe.
Regards, B.Sathish Kumar -----Original Message----- From: Sathish Kumar Balasubramaniam -ERS, HCL Tech Sent: Wednesday, July 09, 2014 5:54 PM To: Dr. Markus Eich; yocto@yoctoproject.org Subject: RE: [yocto] How to select defconfig for kernel build with yocto/bitbake Ok. Can you try the following instead of the content I gave before KERNEL_DEFCONFIG = "odroidxu_ubuntu_defconfig" kernel_do_configure_append() { install -m 0644 ${S}/arch/${ARCH}/configs/${KERNEL_DEFCONFIG} ${WORKDIR}/defconfig install -m 0644 ${S}/arch/${ARCH}/configs/${KERNEL_DEFCONFIG} ${S}/.config } Regards, B.Sathish Kumar -----Original Message----- From: Dr. Markus Eich [mailto:markus.e...@dfki.de] Sent: Wednesday, July 09, 2014 5:39 PM To: Sathish Kumar Balasubramaniam -ERS, HCL Tech; yocto@yoctoproject.org Subject: Re: [yocto] How to select defconfig for kernel build with yocto/bitbake Thank you Sathish for the quick answer. The recipes now copies odroidxu_ubuntu_defconfig to defconfig in the workdir, but it still seems to be ignored. Maybe I am missing some includes to make the .config from defconfig? Using "make odroidxu_ubuntu_defconfig" using cross compiling (followed by "make zImage") works fine, while bitbake virtual/kernel produces some errors which are probably due to the wrong .config. Cheers, Markus On 09.07.2014 13:33, Sathish Kumar Balasubramaniam -ERS, HCL Tech wrote: > Hi Markus, > > Try adding the following to your recipe file > > KERNEL_DEFCONFIG = "odroidxu_ubuntu_defconfig" > > do_configure_prepend() { > install -m 0644 ${S}/arch/${ARCH}/configs/${KERNEL_DEFCONFIG} > ${WORKDIR}/defconfig || die "No default configuration for ${MACHINE} / > ${KERNEL_DEFCONFIG} available." > } > > > Regards, > B.Sathish Kumar > > -----Original Message----- > From: yocto-boun...@yoctoproject.org [mailto:yocto-boun...@yoctoproject.org] > On Behalf Of Dr. Markus Eich > Sent: Wednesday, July 09, 2014 3:09 PM > To: yocto@yoctoproject.org > Subject: [yocto] How to select defconfig for kernel build with yocto/bitbake > > Dear all, > > I work on the process to compile odroid xu kernel with yocto/bitbake > > In the kernel sources (from hardkernel) I have the corresponding > defconfig file, i.e. in the git folder > /arch/arm/configs/odroidxu_ubuntu_defconfig. > > How can I tell bitbake in my recipe to use "odroidxu_ubuntu_defconfig"? > > My recipe looks as follow: > > === > require recipes-kernel/linux/linux-yocto.inc > > KERNEL_IMAGETYPE = "uImage" > > COMPATIBLE_MACHINE = "odroid-xu" > > LINUX_VERSION = "3.4.91" > LINUX_VERSION_EXTENSION = "-custom" > > FILESEXTRAPATHS_prepend := "${THISDIR}/linux-hardkernel-3.4:" > > S = "${WORKDIR}/git" > > # from where to fetch the kernel > KERNEL_REPO_OWNER ??= "hardkernel" > KERNEL_REPO_URI ??= "git://github.com/${KERNEL_REPO_OWNER}/linux.git" > KBRANCH = "odroidxu-3.4.y" > > SRCREV = "${AUTOREV}" > > KV = "3.4.91" > PV = "${KV}+gitr${SRCPV}" > LOCALVERSION ?= "" > > > SRC_URI = " \ > ${KERNEL_REPO_URI};nocheckout=1;branch=${KBRANCH} \ > " > > PACKAGES =+ "kernel-headers" > FILES_kernel-headers = "${exec_prefix}/src/linux*" > === > > Cheers, > > Markus > > > > -- Dr.-Ing. 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